Windows Analysis Report
rYhL.exe

Overview

General Information

Sample name: rYhL.exe
Analysis ID: 1501601
MD5: ca4ccb77c304e8074abd359dd086ede4
SHA1: 4a17bc625d34ccde78a62db109877f8e9d808d70
SHA256: f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1
Tags: exeRemcosRAT
Infos:

Detection

Remcos
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Antivirus / Scanner detection for submitted sample
Contains functionality to bypass UAC (CMSTPLUA)
Detected Remcos RAT
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Injects a PE file into a foreign processes
Machine Learning detection for sample
Maps a DLL or memory area into another process
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Yara detected WebBrowserPassView password recovery tool
Abnormal high CPU Usage
Allocates memory with a write watch (potentially for evading sandboxes)
Contains functionality for read data from the clipboard
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check the parent process ID (often done to detect debuggers and analysis systems)
Contains functionality to download and launch executables
Contains functionality to dynamically determine API calls
Contains functionality to enumerate process and check for explorer.exe or svchost.exe (often used for thread injection)
Contains functionality to enumerate running services
Contains functionality to launch a control a shell (cmd.exe)
Contains functionality to modify clipboard data
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality to read the clipboard data
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality to simulate mouse events
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Enables debug privileges
Extensive use of GetProcAddress (often used to hide API calls)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found decision node followed by non-executed suspicious APIs
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses Microsoft's Enhanced Cryptographic Provider
Uses code obfuscation techniques (call, push, ret)
Yara detected Keylogger Generic
Yara signature match

Classification

Name Description Attribution Blogpost URLs Link
Remcos, RemcosRAT Remcos (acronym of Remote Control & Surveillance Software) is a commercial Remote Access Tool to remotely control computers.Remcos is advertised as legitimate software which can be used for surveillance and penetration testing purposes, but has been used in numerous hacking campaigns.Remcos, once installed, opens a backdoor on the computer, granting full access to the remote user.Remcos is developed by the cybersecurity company BreakingSecurity.
  • APT33
  • The Gorgon Group
  • UAC-0050
 https://malpedia.caad.fkie.fraunhofer.de/details/win.remcos

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: rYhL.exe Avira: detected
Found malware configuration
Source: 00000003.00000002.4484224435.0000000001547000.00000004.00000020.00020000.00000000.sdmp Malware Configuration Extractor: Remcos {"Host:Port:Password": "127.0.0.1:2404:167.207.161.204:2404:1", "Assigned name": "RemoteHost", "Connect interval": "1", "Install flag": "Disable", "Setup HKCU\\Run": "Enable", "Setup HKLM\\Run": "Enable", "Install path": "Application path", "Copy file": "remcos.exe", "Startup value": "Disable", "Hide file": "Disable", "Mutex": "Rmc-ZA03K9", "Keylog flag": "0", "Keylog path": "Application path", "Keylog file": "logs.dat", "Keylog crypt": "Disable", "Hide keylog file": "Disable", "Screenshot flag": "Disable", "Screenshot time": "10", "Take Screenshot option": "Disable", "Take screenshot title": "", "Take screenshot time": "5", "Screenshot path": "AppData", "Screenshot file": "Screenshots", "Screenshot crypt": "Disable", "Mouse option": "Disable", "Delete file": "Disable", "Audio record time": "5"}
Multi AV Scanner detection for submitted file
Source: rYhL.exe ReversingLabs: Detection: 52%
Source: rYhL.exe Virustotal: Detection: 55% Perma Link
Yara detected Remcos RAT
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.456ae98.3.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000003.00000002.4484224435.0000000001547000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2038533702.00000000043E9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 6196, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 5884, type: MEMORYSTR
AI detected suspicious sample
Source: Submited Sample Integrated Neural Analysis Model: Matched 100.0% probability
Machine Learning detection for sample
Source: rYhL.exe Joe Sandbox ML: detected
Uses Microsoft's Enhanced Cryptographic Provider
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_004338C8 CryptAcquireContextA,CryptGenRandom,CryptReleaseContext, 3_2_004338C8
Source: rYhL.exe, 00000000.00000002.2038533702.00000000043E9000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: -----BEGIN PUBLIC KEY----- memstr_445c062c-4

Exploits
barindex
Yara detected UAC Bypass using CMSTP
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.456ae98.3.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2038533702.00000000043E9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 6196, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 5884, type: MEMORYSTR

Privilege Escalation
barindex
Contains functionality to bypass UAC (CMSTPLUA)
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00407538 _wcslen,CoGetObject, 3_2_00407538
Uses 32bit PE files
Source: rYhL.exe Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE
Source: rYhL.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040928E __EH_prolog,__CxxThrowException@8,FindFirstFileW,FindNextFileW,FindClose,FindClose, 3_2_0040928E
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041C322 FindFirstFileW,FindNextFileW,RemoveDirectoryW,SetFileAttributesW,DeleteFileW,GetLastError,FindClose,RemoveDirectoryW,FindClose, 3_2_0041C322
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040C388 FindFirstFileW,PathFileExistsW,FindNextFileW,FindClose,FindClose, 3_2_0040C388
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_004096A0 __EH_prolog,FindFirstFileW,FindNextFileW,FindClose,FindClose, 3_2_004096A0
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00408847 __EH_prolog,FindFirstFileW,__CxxThrowException@8,FindNextFileW,FindClose, 3_2_00408847
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00407877 FindFirstFileW,FindNextFileW, 3_2_00407877
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0044E8F9 FindFirstFileExA, 3_2_0044E8F9
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040BB6B FindFirstFileA,FindClose,DeleteFileA,GetLastError,DeleteFileA,GetLastError,FindNextFileA,FindClose, 3_2_0040BB6B
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00419B86 FindFirstFileW,FindNextFileW,FindNextFileW, 3_2_00419B86
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040BD72 FindFirstFileA,FindClose,DeleteFileA,GetLastError,FindNextFileA,FindClose,FindClose, 3_2_0040BD72
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_100010F1 lstrlenW,lstrlenW,lstrcatW,lstrlenW,lstrlenW,lstrlenW,FindFirstFileW,FindNextFileW,FindClose, 3_2_100010F1
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_10006580 FindFirstFileExA, 3_2_10006580
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0040AE51 FindFirstFileW,FindNextFileW, 5_2_0040AE51
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00407EF8 FindFirstFileA,FindNextFileA,strlen,strlen, 6_2_00407EF8
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00407898 FindFirstFileA,FindNextFileA,strlen,strlen, 7_2_00407898
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00407CD2 SetEvent,GetFileAttributesW,DeleteFileW,ShellExecuteW,GetLogicalDriveStringsA,SetFileAttributesW,DeleteFileA,Sleep,StrToIntA,CreateDirectoryW, 3_2_00407CD2

Networking
barindex
Suricata IDS alerts for network traffic
Source: Network traffic Suricata IDS: 2036594 - Severity 1 - ET JA3 Hash - Remcos 3.x/4.x TLS Connection : 192.168.2.5:49709 -> 67.207.161.204:2404
Source: Network traffic Suricata IDS: 2036594 - Severity 1 - ET JA3 Hash - Remcos 3.x/4.x TLS Connection : 192.168.2.5:49708 -> 67.207.161.204:2404
C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: 127.0.0.1
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.5:49708 -> 67.207.161.204:2404
HTTP GET or POST without a user agent
Source: global traffic HTTP traffic detected: GET /json.gp HTTP/1.1Host: geoplugin.netCache-Control: no-cache
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 178.237.33.50 178.237.33.50
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: AS-COLOAMUS AS-COLOAMUS
Suricata IDS alerts with low severity for network traffic
Source: Network traffic Suricata IDS: 2803304 - Severity 3 - ETPRO MALWARE Common Downloader Header Pattern HCa : 192.168.2.5:49710 -> 178.237.33.50:80
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: unknown TCP traffic detected without corresponding DNS query: 67.207.161.204
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041B411 InternetOpenW,InternetOpenUrlW,InternetReadFile,InternetCloseHandle,InternetCloseHandle,InternetCloseHandle, 3_2_0041B411
Source: global traffic HTTP traffic detected: GET /json.gp HTTP/1.1Host: geoplugin.netCache-Control: no-cache
Source: rYhL.exe, 00000007.00000002.2090160312.0000000000400000.00000040.80000000.00040000.00000000.sdmp String found in binary or memory: Software\America Online\AOL Instant Messenger (TM)\CurrentVersion\Users%s\Loginprpl-msnprpl-yahooprpl-jabberprpl-novellprpl-oscarprpl-ggprpl-ircaccounts.xmlaimaim_1icqicq_1jabberjabber_1msnmsn_1yahoogggg_1http://www.imvu.comhttp://www.ebuddy.comhttps://www.google.com equals www.ebuddy.com (eBuggy)
Source: rYhL.exe, rYhL.exe, 00000007.00000002.2090160312.0000000000400000.00000040.80000000.00040000.00000000.sdmp String found in binary or memory: http://www.ebuddy.com equals www.ebuddy.com (eBuggy)
Source: rYhL.exe String found in binary or memory: http://www.facebook.com/ equals www.facebook.com (Facebook)
Source: rYhL.exe, 00000005.00000002.2094871798.0000000000400000.00000040.80000000.00040000.00000000.sdmp String found in binary or memory: ~@:9@0123456789ABCDEFURL index.datvisited:https://www.google.com/accounts/serviceloginhttp://www.facebook.com/https://login.yahoo.com/config/login$ equals www.facebook.com (Facebook)
Source: rYhL.exe, 00000005.00000002.2094871798.0000000000400000.00000040.80000000.00040000.00000000.sdmp String found in binary or memory: ~@:9@0123456789ABCDEFURL index.datvisited:https://www.google.com/accounts/serviceloginhttp://www.facebook.com/https://login.yahoo.com/config/login$ equals www.yahoo.com (Yahoo)
Source: global traffic DNS traffic detected: DNS query: geoplugin.net
Source: global traffic DNS traffic detected: DNS query: 15.164.165.52.in-addr.arpa
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertCloudServicesCA-1.crt0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertGlobalRootCA.crt0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertGlobalRootCA.crt0B
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertGlobalRootG2.crt0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertGlobalRootG2.crt0B
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertSHA2SecureServerCA-2.crt0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertTLSRSASHA2562020CA1-1.crt0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl3.digicert.com/DigiCertCloudServicesCA-1-g1.crl0?
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl3.digicert.com/DigiCertGlobalRootCA.crl07
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl3.digicert.com/DigiCertGlobalRootCA.crl0=
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl3.digicert.com/DigiCertGlobalRootG2.crl0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl3.digicert.com/DigiCertGlobalRootG2.crl07
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl3.digicert.com/DigiCertTLSRSASHA2562020CA1-4.crl0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl3.digicert.com/DigicertSHA2SecureServerCA-1.crl0?
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl3.digicert.com/Omniroot2025.crl0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl4.digicert.com/DigiCertCloudServicesCA-1-g1.crl0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl4.digicert.com/DigiCertGlobalRootCA.crl00
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl4.digicert.com/DigiCertGlobalRootG2.crl0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl4.digicert.com/DigiCertTLSRSASHA2562020CA1-4.crl0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl4.digicert.com/DigicertSHA2SecureServerCA-1.crl0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://crl4.digicert.com/DigicertSHA2SecureServerCA-1.crl0~
Source: rYhL.exe, rYhL.exe, 00000003.00000002.4484224435.00000000015A3000.00000004.00000020.00020000.00000000.sdmp, rYhL.exe, 00000003.00000002.4484224435.0000000001581000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://geoplugin.net/json.gp
Source: rYhL.exe, 00000000.00000002.2038533702.00000000043E9000.00000004.00000800.00020000.00000000.sdmp, rYhL.exe, 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp String found in binary or memory: http://geoplugin.net/json.gp/C
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://ocsp.digicert.com0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://ocsp.digicert.com0:
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://ocsp.digicert.com0H
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://ocsp.digicert.com0I
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://ocsp.msocsp.com0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://ocsp.msocsp.com0S
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://ocspx.digicert.com0E
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://www.digicert.com/CPS0
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://www.digicert.com/CPS0~
Source: rYhL.exe, rYhL.exe, 00000007.00000002.2090160312.0000000000400000.00000040.80000000.00040000.00000000.sdmp String found in binary or memory: http://www.ebuddy.com
Source: rYhL.exe, rYhL.exe, 00000007.00000002.2090160312.0000000000400000.00000040.80000000.00040000.00000000.sdmp String found in binary or memory: http://www.imvu.com
Source: rYhL.exe, 00000007.00000002.2090160312.0000000000400000.00000040.80000000.00040000.00000000.sdmp String found in binary or memory: http://www.imvu.comhttp://www.ebuddy.comhttps://www.google.com
Source: rYhL.exe, 00000007.00000002.2090160312.0000000000400000.00000040.80000000.00040000.00000000.sdmp String found in binary or memory: http://www.imvu.comr
Source: bhv6B90.tmp.5.dr String found in binary or memory: http://www.msftconnecttest.com/connecttest.txt?n=1696428304750
Source: rYhL.exe, 00000005.00000002.2095139644.00000000014F4000.00000004.00000010.00020000.00000000.sdmp String found in binary or memory: http://www.nirsoft.net
Source: rYhL.exe, 00000007.00000002.2090160312.0000000000400000.00000040.80000000.00040000.00000000.sdmp String found in binary or memory: http://www.nirsoft.net/
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://M365CDN.nel.measure.office.net/api/report?FrontEnd=VerizonCDNWorldWide&DestinationEndpoint=P
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://aefd.nelreports.net/api/report?cat=bingaot
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://aefd.nelreports.net/api/report?cat=bingaotak
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://aefd.nelreports.net/api/report?cat=bingrms
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://api.msn.com/v1/News/Feed/Windows?apikey=qrUeHGGYvVowZJuHA3XaH0uUvg1ZJ0GUZnXk3mxxPF&ocid=wind
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://config.edge.skype.com/config/v1/Skype/1446_8.53.0.77?OSVer=10.0.19045.2006&ClientID=RHTiQUpX
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://deff.nelreports.net/api/report?cat=msn
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://ecs.nel.measure.office.net?TenantId=Skype&DestinationEndpoint=Edge-Prod-LAX31r5a&FrontEnd=AF
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://fp-afd-nocache.azureedge.net/apc/trans.gif?77686a33b2eafa1538ef78c3be5a5910
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://fp-afd-nocache.azureedge.net/apc/trans.gif?caa2cf97cacae25a18f577703684ee65
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://fp-afd.azurefd.us/apc/trans.gif?0cf92be82316943650f2ee723bc6949e
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://fp-afd.azurefd.us/apc/trans.gif?94fb5ac9609bcb4cda0bf8acf1827073
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://fp-vp.azureedge.net/apc/trans.gif?7e9591e308dbda599df1fc08720a72a3
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://fp-vp.azureedge.net/apc/trans.gif?c6a2869c584d2ea23c67c44abe1ec326
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://fp.msedge.net/conf/v1/asgw/fpconfig.min.json
Source: rYhL.exe, 00000005.00000002.2095074785.000000000116C000.00000004.00000010.00020000.00000000.sdmp String found in binary or memory: https://login.li
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://login.live.com/oauth20_authorize.srf?client_id=00000000480728C5&scope=service::ssl.live.com:
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://login.live.com/oauth20_desktop.srf?lc=1033
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://login.live.com/oauth20_logout.srf?client_id=00000000480728C5&redirect_uri=https://login.live
Source: rYhL.exe String found in binary or memory: https://login.yahoo.com/config/login
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://logincdn.msauth.net/16.000/Converged_v22057_4HqSCTf5FFStBMz0_eIqyA2.css
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://logincdn.msauth.net/16.000/content/js/ConvergedLoginPaginatedStrings.en-gb_RP-iR89BipE4i7ZOq
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://logincdn.msauth.net/shared/1.0/content/js/ConvergedLogin_PCore_tSc0Su-bb7Jt0QVuF6v9Cg2.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://logincdn.msauth.net/shared/1.0/content/js/oneDs_f2e0f4a029670f10d892.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://maps.windows.com/windows-app-web-link
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://oneclient.sfx.ms/PreSignInSettings/Prod/2023-10-04-14-10-35/PreSignInSettingsConfig.json
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://oneclient.sfx.ms/Win/Prod/dfb21df16475d4e5b2b0ba41e6c4e842c100b150.xml?OneDriveUpdate=4954a0
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/ew-preload-inline-2523c8c1505f1172be19.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/otel-logger-104bffe9378b8041455c.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-35de8a913e.css
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-async-styles.a903b7d0ab82e5bd2f8a.chunk.v7.css
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-bootstrap-5e7af218e953d095fabf.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-bundle-0debb885be07c402c948.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-bundle-994d8943fc9264e2f8d3.css
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-fluent~left-nav-rc.ec3581b6c9e6e9985aa7.chunk.v7.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-forms-group~mru~officeforms-group-forms~officeforms
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-left-nav-rc.6c288f9aff9797959103.chunk.v7.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-mru.9ba2d4c9e339ba497e10.chunk.v7.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-vendor-bundle-1652fd8b358d589e6ec0.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-vendors~left-nav-rc.52c45571d19ede0a7005.chunk.v7.j
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwa-vendors~left-nav-rc.d918c7fc33e22b41b936.chunk.v7.c
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/pwaunauth-9d8bc214ac.css
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/sharedfontstyles-27fa2598d8.css
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/sharedscripts-939520eada.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/staticpwascripts-30998bff8f.js
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/bundles/staticstylesfabric-35c34b95e3.css
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/images/content/images/hero-image-desktop-f6720a4145.jpg
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/images/content/images/lockup-mslogo-color-78c06e8898.png
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/images/content/images/microsoft-365-logo-01d5ecd01a.png
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/images/content/images/unauth-apps-image-46596a6856.png
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/images/content/images/unauth-checkmark-image-1999f0bf81.png
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/versionless/officehome/thirdpartynotice.html
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/versionless/webfonts/segoeui_regular.woff2
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://res.cdn.office.net/officehub/versionless/webfonts/segoeui_semibold.woff2
Source: rYhL.exe, rYhL.exe, 00000007.00000002.2090160312.0000000000400000.00000040.80000000.00040000.00000000.sdmp String found in binary or memory: https://www.google.com
Source: rYhL.exe String found in binary or memory: https://www.google.com/accounts/servicelogin
Source: bhv6B90.tmp.5.dr String found in binary or memory: https://www.office.com/

Key, Mouse, Clipboard, Microphone and Screen Capturing
barindex
Contains functionality to register a low level keyboard hook
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040A2F3 SetWindowsHookExA 0000000D,0040A2DF,00000000 3_2_0040A2F3
Contains functionality for read data from the clipboard
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040B749 OpenClipboard,GetClipboardData,CloseClipboard, 3_2_0040B749
Contains functionality to modify clipboard data
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_004168FC OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,GlobalUnlock,SetClipboardData,CloseClipboard,OpenClipboard,GetClipboardData,GlobalLock,GlobalUnlock,CloseClipboard, 3_2_004168FC
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0040987A EmptyClipboard,wcslen,GlobalAlloc,GlobalFix,memcpy,GlobalUnWire,SetClipboardData,CloseClipboard, 5_2_0040987A
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_004098E2 EmptyClipboard,GetFileSize,GlobalAlloc,GlobalFix,ReadFile,GlobalUnWire,SetClipboardData,GetLastError,CloseHandle,GetLastError,CloseClipboard, 5_2_004098E2
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00406DFC EmptyClipboard,GetFileSize,GlobalAlloc,GlobalFix,ReadFile,GlobalUnWire,SetClipboardData,GetLastError,CloseHandle,GetLastError,CloseClipboard, 6_2_00406DFC
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00406E9F EmptyClipboard,strlen,GlobalAlloc,GlobalFix,memcpy,GlobalUnWire,SetClipboardData,CloseClipboard, 6_2_00406E9F
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_004068B5 EmptyClipboard,GetFileSize,GlobalAlloc,GlobalFix,ReadFile,GlobalUnWire,SetClipboardData,GetLastError,CloseHandle,GetLastError,CloseClipboard, 7_2_004068B5
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_004072B5 EmptyClipboard,strlen,GlobalAlloc,GlobalFix,memcpy,GlobalUnWire,SetClipboardData,CloseClipboard, 7_2_004072B5
Contains functionality to read the clipboard data
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040B749 OpenClipboard,GetClipboardData,CloseClipboard, 3_2_0040B749
Contains functionality to retrieve information about pressed keystrokes
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040A41B GetForegroundWindow,GetWindowThreadProcessId,GetKeyboardLayout,GetKeyState,GetKeyboardState,ToUnicodeEx,ToUnicodeEx,ToUnicodeEx,ToUnicodeEx, 3_2_0040A41B
Yara detected Keylogger Generic
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.456ae98.3.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2038533702.00000000043E9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 6196, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 5884, type: MEMORYSTR

E-Banking Fraud
barindex
Yara detected Remcos RAT
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.456ae98.3.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000003.00000002.4484224435.0000000001547000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2038533702.00000000043E9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 6196, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 5884, type: MEMORYSTR

Spam, unwanted Advertisements and Ransom Demands
barindex
Contains functionalty to change the wallpaper
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041CA73 SystemParametersInfoW, 3_2_0041CA73

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE Matched rule: REMCOS_RAT_variants Author: unknown
Source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE Matched rule: Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) Author: ditekSHen
Source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE Matched rule: REMCOS_RAT_variants Author: unknown
Source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE Matched rule: Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) Author: ditekSHen
Source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE Matched rule: REMCOS_RAT_variants Author: unknown
Source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE Matched rule: Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) Author: ditekSHen
Source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE Matched rule: REMCOS_RAT_variants Author: unknown
Source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE Matched rule: Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) Author: ditekSHen
Source: 0.2.rYhL.exe.46254b8.1.raw.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: 0.2.rYhL.exe.46254b8.1.raw.unpack, type: UNPACKEDPE Matched rule: Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) Author: ditekSHen
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, type: UNPACKEDPE Matched rule: Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) Author: ditekSHen
Source: 0.2.rYhL.exe.43e9970.2.raw.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: 0.2.rYhL.exe.43e9970.2.raw.unpack, type: UNPACKEDPE Matched rule: Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) Author: ditekSHen
Source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY Matched rule: REMCOS_RAT_variants Author: unknown
Source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY Matched rule: Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) Author: ditekSHen
Source: 00000000.00000002.2038533702.00000000043E9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: Process Memory Space: rYhL.exe PID: 6196, type: MEMORYSTR Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: Process Memory Space: rYhL.exe PID: 5884, type: MEMORYSTR Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Abnormal high CPU Usage
Source: C:\Users\user\Desktop\rYhL.exe Process Stats: CPU usage > 49%
Contains functionality to call native functions
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041812A GetProcAddress,GetModuleHandleA,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,CreateProcessW,VirtualAlloc,Wow64GetThreadContext,ReadProcessMemory,NtCreateSection,NtUnmapViewOfSection,NtMapViewOfSection,VirtualFree,NtClose,TerminateProcess,GetModuleHandleA,GetProcAddress,GetCurrentProcess,NtMapViewOfSection,WriteProcessMemory,Wow64SetThreadContext,ResumeThread,VirtualFree,GetCurrentProcess,NtUnmapViewOfSection,NtClose,TerminateProcess,GetLastError, 3_2_0041812A
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041330D OpenProcess,NtQueryInformationProcess,GetCurrentProcess,DuplicateHandle,GetFinalPathNameByHandleW,CloseHandle,CreateFileMappingW,MapViewOfFile,GetFileSize,UnmapViewOfFile,CloseHandle,CloseHandle,CloseHandle, 3_2_0041330D
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041BBC6 OpenProcess,NtResumeProcess,CloseHandle, 3_2_0041BBC6
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041BB9A OpenProcess,NtSuspendProcess,CloseHandle, 3_2_0041BB9A
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0040DD85 memset,CreateFileW,NtQuerySystemInformation,FindCloseChangeNotification,GetCurrentProcessId,_wcsicmp,_wcsicmp,_wcsicmp,OpenProcess,GetCurrentProcess,DuplicateHandle,memset,CloseHandle,_wcsicmp,CloseHandle, 5_2_0040DD85
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00401806 NtdllDefWindowProc_W, 5_2_00401806
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_004018C0 NtdllDefWindowProc_W, 5_2_004018C0
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_004016FD NtdllDefWindowProc_A, 6_2_004016FD
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_004017B7 NtdllDefWindowProc_A, 6_2_004017B7
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00402CAC NtdllDefWindowProc_A, 7_2_00402CAC
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00402D66 NtdllDefWindowProc_A, 7_2_00402D66
Contains functionality to shutdown / reboot the system
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_004167EF ExitWindowsEx,LoadLibraryA,GetProcAddress, 3_2_004167EF
Detected potential crypto function
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_075B1198 0_2_075B1198
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_075B1A70 0_2_075B1A70
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_079F23A8 0_2_079F23A8
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_079F4BE8 0_2_079F4BE8
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_079F5300 0_2_079F5300
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_07F76014 0_2_07F76014
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_092EFAC8 0_2_092EFAC8
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_092E0024 0_2_092E0024
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_092E0040 0_2_092E0040
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_092EF258 0_2_092EF258
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_092EF255 0_2_092EF255
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_092EF680 0_2_092EF680
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_092EF690 0_2_092EF690
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0043706A 3_2_0043706A
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00414005 3_2_00414005
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0043E11C 3_2_0043E11C
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_004541D9 3_2_004541D9
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_004381E8 3_2_004381E8
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041F18B 3_2_0041F18B
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00446270 3_2_00446270
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0043E34B 3_2_0043E34B
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_004533AB 3_2_004533AB
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0042742E 3_2_0042742E
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00437566 3_2_00437566
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0043E5A8 3_2_0043E5A8
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_004387F0 3_2_004387F0
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0043797E 3_2_0043797E
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_004339D7 3_2_004339D7
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0044DA49 3_2_0044DA49
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00427AD7 3_2_00427AD7
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041DBF3 3_2_0041DBF3
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00427C40 3_2_00427C40
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00437DB3 3_2_00437DB3
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00435EEB 3_2_00435EEB
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0043DEED 3_2_0043DEED
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00426E9F 3_2_00426E9F
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_10017194 3_2_10017194
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_1000B5C1 3_2_1000B5C1
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0044B040 5_2_0044B040
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0043610D 5_2_0043610D
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00447310 5_2_00447310
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0044A490 5_2_0044A490
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0040755A 5_2_0040755A
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0043C560 5_2_0043C560
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0044B610 5_2_0044B610
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0044D6C0 5_2_0044D6C0
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_004476F0 5_2_004476F0
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0044B870 5_2_0044B870
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0044081D 5_2_0044081D
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00414957 5_2_00414957
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_004079EE 5_2_004079EE
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00407AEB 5_2_00407AEB
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0044AA80 5_2_0044AA80
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00412AA9 5_2_00412AA9
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00404B74 5_2_00404B74
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00404B03 5_2_00404B03
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0044BBD8 5_2_0044BBD8
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00404BE5 5_2_00404BE5
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00404C76 5_2_00404C76
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00415CFE 5_2_00415CFE
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00416D72 5_2_00416D72
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00446D30 5_2_00446D30
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00446D8B 5_2_00446D8B
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00406E8F 5_2_00406E8F
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00405038 6_2_00405038
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0041208C 6_2_0041208C
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_004050A9 6_2_004050A9
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0040511A 6_2_0040511A
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0043C13A 6_2_0043C13A
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_004051AB 6_2_004051AB
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00449300 6_2_00449300
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0040D322 6_2_0040D322
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0044A4F0 6_2_0044A4F0
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0043A5AB 6_2_0043A5AB
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00413631 6_2_00413631
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00446690 6_2_00446690
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0044A730 6_2_0044A730
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_004398D8 6_2_004398D8
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_004498E0 6_2_004498E0
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0044A886 6_2_0044A886
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0043DA09 6_2_0043DA09
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00438D5E 6_2_00438D5E
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00449ED0 6_2_00449ED0
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0041FE83 6_2_0041FE83
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00430F54 6_2_00430F54
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_004050C2 7_2_004050C2
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_004014AB 7_2_004014AB
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00405133 7_2_00405133
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_004051A4 7_2_004051A4
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00401246 7_2_00401246
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_0040CA46 7_2_0040CA46
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00405235 7_2_00405235
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_004032C8 7_2_004032C8
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00401689 7_2_00401689
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00402F60 7_2_00402F60
Found potential string decryption / allocating functions
Source: C:\Users\user\Desktop\rYhL.exe Code function: String function: 004169A7 appears 87 times
Source: C:\Users\user\Desktop\rYhL.exe Code function: String function: 004165FF appears 35 times
Source: C:\Users\user\Desktop\rYhL.exe Code function: String function: 00434801 appears 41 times
Source: C:\Users\user\Desktop\rYhL.exe Code function: String function: 00422297 appears 42 times
Source: C:\Users\user\Desktop\rYhL.exe Code function: String function: 00434E70 appears 54 times
Source: C:\Users\user\Desktop\rYhL.exe Code function: String function: 00402093 appears 50 times
Source: C:\Users\user\Desktop\rYhL.exe Code function: String function: 0044DB70 appears 41 times
Source: C:\Users\user\Desktop\rYhL.exe Code function: String function: 00401E65 appears 35 times
Source: C:\Users\user\Desktop\rYhL.exe Code function: String function: 00444B5A appears 37 times
Source: C:\Users\user\Desktop\rYhL.exe Code function: String function: 00413025 appears 79 times
Source: C:\Users\user\Desktop\rYhL.exe Code function: String function: 00416760 appears 69 times
Sample file is different than original file name gathered from version info
Source: rYhL.exe, 00000000.00000002.2037960840.00000000033E1000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: OriginalFilenameGB-lesson-forms.dll@ vs rYhL.exe
Source: rYhL.exe, 00000000.00000002.2038533702.00000000043E9000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: OriginalFilenameTyrone.dll8 vs rYhL.exe
Source: rYhL.exe, 00000000.00000002.2041423053.00000000074F0000.00000004.08000000.00040000.00000000.sdmp Binary or memory string: OriginalFilenameTyrone.dll8 vs rYhL.exe
Source: rYhL.exe, 00000000.00000002.2041923422.0000000007770000.00000004.08000000.00040000.00000000.sdmp Binary or memory string: OriginalFilenameGB-lesson-forms.dll@ vs rYhL.exe
Source: rYhL.exe, 00000000.00000002.2036563287.000000000156E000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: OriginalFilenameclr.dllT vs rYhL.exe
Source: rYhL.exe Binary or memory string: OriginalFileName vs rYhL.exe
Source: rYhL.exe, 00000007.00000002.2090160312.000000000041B000.00000040.80000000.00040000.00000000.sdmp Binary or memory string: OriginalFilenamemspass.exe8 vs rYhL.exe
Uses 32bit PE files
Source: rYhL.exe Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE
Yara signature match
Source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 reference_sample = 0ebeffa44bd1c3603e30688ace84ea638fbcf485ca55ddcfd6fbe90609d4f3ed, os = windows, severity = x86, creation_date = 2021-06-10, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Remcos, fingerprint = a5267bc2dee28a3ef58beeb7e4a151699e3e561c16ce0ab9eb27de33c122664d, id = b296e965-a99e-4446-b969-ba233a2a8af4, last_modified = 2021-08-23
Source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE Matched rule: REMCOS_RAT_variants Description = Detects multiple variants of REMCOS seen in the wild. Created by modifying and combining several of Florian\'s recent REMCOS ruleset. This rule aims for broader detection than the original ruleset, which used separate rules for each variant. If you do decide to break it into individual rules, the YARA strings variable names are grouped by the REMCOS variant type., Website = https://www.deadbits.org, Date = 2019-07-18, Repo = https://github.com/deadbits/yara-rules, Author = Adam M. Swanda
Source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM author = ditekSHen, description = Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 reference_sample = 0ebeffa44bd1c3603e30688ace84ea638fbcf485ca55ddcfd6fbe90609d4f3ed, os = windows, severity = x86, creation_date = 2021-06-10, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Remcos, fingerprint = a5267bc2dee28a3ef58beeb7e4a151699e3e561c16ce0ab9eb27de33c122664d, id = b296e965-a99e-4446-b969-ba233a2a8af4, last_modified = 2021-08-23
Source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE Matched rule: REMCOS_RAT_variants Description = Detects multiple variants of REMCOS seen in the wild. Created by modifying and combining several of Florian\'s recent REMCOS ruleset. This rule aims for broader detection than the original ruleset, which used separate rules for each variant. If you do decide to break it into individual rules, the YARA strings variable names are grouped by the REMCOS variant type., Website = https://www.deadbits.org, Date = 2019-07-18, Repo = https://github.com/deadbits/yara-rules, Author = Adam M. Swanda
Source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM author = ditekSHen, description = Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 reference_sample = 0ebeffa44bd1c3603e30688ace84ea638fbcf485ca55ddcfd6fbe90609d4f3ed, os = windows, severity = x86, creation_date = 2021-06-10, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Remcos, fingerprint = a5267bc2dee28a3ef58beeb7e4a151699e3e561c16ce0ab9eb27de33c122664d, id = b296e965-a99e-4446-b969-ba233a2a8af4, last_modified = 2021-08-23
Source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE Matched rule: REMCOS_RAT_variants Description = Detects multiple variants of REMCOS seen in the wild. Created by modifying and combining several of Florian\'s recent REMCOS ruleset. This rule aims for broader detection than the original ruleset, which used separate rules for each variant. If you do decide to break it into individual rules, the YARA strings variable names are grouped by the REMCOS variant type., Website = https://www.deadbits.org, Date = 2019-07-18, Repo = https://github.com/deadbits/yara-rules, Author = Adam M. Swanda
Source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM author = ditekSHen, description = Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 reference_sample = 0ebeffa44bd1c3603e30688ace84ea638fbcf485ca55ddcfd6fbe90609d4f3ed, os = windows, severity = x86, creation_date = 2021-06-10, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Remcos, fingerprint = a5267bc2dee28a3ef58beeb7e4a151699e3e561c16ce0ab9eb27de33c122664d, id = b296e965-a99e-4446-b969-ba233a2a8af4, last_modified = 2021-08-23
Source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE Matched rule: REMCOS_RAT_variants Description = Detects multiple variants of REMCOS seen in the wild. Created by modifying and combining several of Florian\'s recent REMCOS ruleset. This rule aims for broader detection than the original ruleset, which used separate rules for each variant. If you do decide to break it into individual rules, the YARA strings variable names are grouped by the REMCOS variant type., Website = https://www.deadbits.org, Date = 2019-07-18, Repo = https://github.com/deadbits/yara-rules, Author = Adam M. Swanda
Source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM author = ditekSHen, description = Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Source: 0.2.rYhL.exe.46254b8.1.raw.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 reference_sample = 0ebeffa44bd1c3603e30688ace84ea638fbcf485ca55ddcfd6fbe90609d4f3ed, os = windows, severity = x86, creation_date = 2021-06-10, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Remcos, fingerprint = a5267bc2dee28a3ef58beeb7e4a151699e3e561c16ce0ab9eb27de33c122664d, id = b296e965-a99e-4446-b969-ba233a2a8af4, last_modified = 2021-08-23
Source: 0.2.rYhL.exe.46254b8.1.raw.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM author = ditekSHen, description = Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 reference_sample = 0ebeffa44bd1c3603e30688ace84ea638fbcf485ca55ddcfd6fbe90609d4f3ed, os = windows, severity = x86, creation_date = 2021-06-10, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Remcos, fingerprint = a5267bc2dee28a3ef58beeb7e4a151699e3e561c16ce0ab9eb27de33c122664d, id = b296e965-a99e-4446-b969-ba233a2a8af4, last_modified = 2021-08-23
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM author = ditekSHen, description = Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Source: 0.2.rYhL.exe.43e9970.2.raw.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 reference_sample = 0ebeffa44bd1c3603e30688ace84ea638fbcf485ca55ddcfd6fbe90609d4f3ed, os = windows, severity = x86, creation_date = 2021-06-10, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Remcos, fingerprint = a5267bc2dee28a3ef58beeb7e4a151699e3e561c16ce0ab9eb27de33c122664d, id = b296e965-a99e-4446-b969-ba233a2a8af4, last_modified = 2021-08-23
Source: 0.2.rYhL.exe.43e9970.2.raw.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM author = ditekSHen, description = Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Remcos_b296e965 reference_sample = 0ebeffa44bd1c3603e30688ace84ea638fbcf485ca55ddcfd6fbe90609d4f3ed, os = windows, severity = x86, creation_date = 2021-06-10, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Remcos, fingerprint = a5267bc2dee28a3ef58beeb7e4a151699e3e561c16ce0ab9eb27de33c122664d, id = b296e965-a99e-4446-b969-ba233a2a8af4, last_modified = 2021-08-23
Source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY Matched rule: REMCOS_RAT_variants Description = Detects multiple variants of REMCOS seen in the wild. Created by modifying and combining several of Florian\'s recent REMCOS ruleset. This rule aims for broader detection than the original ruleset, which used separate rules for each variant. If you do decide to break it into individual rules, the YARA strings variable names are grouped by the REMCOS variant type., Website = https://www.deadbits.org, Date = 2019-07-18, Repo = https://github.com/deadbits/yara-rules, Author = Adam M. Swanda
Source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY Matched rule: INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM author = ditekSHen, description = Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Source: 00000000.00000002.2038533702.00000000043E9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Remcos_b296e965 reference_sample = 0ebeffa44bd1c3603e30688ace84ea638fbcf485ca55ddcfd6fbe90609d4f3ed, os = windows, severity = x86, creation_date = 2021-06-10, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Remcos, fingerprint = a5267bc2dee28a3ef58beeb7e4a151699e3e561c16ce0ab9eb27de33c122664d, id = b296e965-a99e-4446-b969-ba233a2a8af4, last_modified = 2021-08-23
Source: Process Memory Space: rYhL.exe PID: 6196, type: MEMORYSTR Matched rule: Windows_Trojan_Remcos_b296e965 reference_sample = 0ebeffa44bd1c3603e30688ace84ea638fbcf485ca55ddcfd6fbe90609d4f3ed, os = windows, severity = x86, creation_date = 2021-06-10, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Remcos, fingerprint = a5267bc2dee28a3ef58beeb7e4a151699e3e561c16ce0ab9eb27de33c122664d, id = b296e965-a99e-4446-b969-ba233a2a8af4, last_modified = 2021-08-23
Source: Process Memory Space: rYhL.exe PID: 5884, type: MEMORYSTR Matched rule: Windows_Trojan_Remcos_b296e965 reference_sample = 0ebeffa44bd1c3603e30688ace84ea638fbcf485ca55ddcfd6fbe90609d4f3ed, os = windows, severity = x86, creation_date = 2021-06-10, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Remcos, fingerprint = a5267bc2dee28a3ef58beeb7e4a151699e3e561c16ce0ab9eb27de33c122664d, id = b296e965-a99e-4446-b969-ba233a2a8af4, last_modified = 2021-08-23
Source: rYhL.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, h7g8jtZpJbQb8YJRQy.cs Security API names: _0020.SetAccessControl
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, h7g8jtZpJbQb8YJRQy.cs Security API names: System.Security.Principal.WindowsIdentity.GetCurrent()
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, h7g8jtZpJbQb8YJRQy.cs Security API names: _0020.AddAccessRule
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, vkXLbm7NbFnAyYgoFU.cs Security API names: System.Security.Principal.WindowsIdentity.GetCurrent()
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, h7g8jtZpJbQb8YJRQy.cs Security API names: _0020.SetAccessControl
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, h7g8jtZpJbQb8YJRQy.cs Security API names: System.Security.Principal.WindowsIdentity.GetCurrent()
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, h7g8jtZpJbQb8YJRQy.cs Security API names: _0020.AddAccessRule
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, vkXLbm7NbFnAyYgoFU.cs Security API names: System.Security.Principal.WindowsIdentity.GetCurrent()
Source: classification engine Classification label: mal100.rans.phis.troj.spyw.expl.evad.winEXE@11/4@2/3
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_004182CE GetLastError,FormatMessageW,FormatMessageA,LocalFree,??3@YAXPAX@Z, 5_2_004182CE
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041798D GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueA,AdjustTokenPrivileges,GetLastError, 3_2_0041798D
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00410DE1 GetCurrentProcess,GetLastError,GetProcAddress,GetProcAddress,LookupPrivilegeValueA,GetProcAddress,AdjustTokenPrivileges,FindCloseChangeNotification, 7_2_00410DE1
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00418758 GetDiskFreeSpaceW,GetDiskFreeSpaceA,??3@YAXPAX@Z, 5_2_00418758
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040F4AF GetModuleFileNameW,CreateToolhelp32Snapshot,Process32FirstW,Process32NextW,CloseHandle,CloseHandle, 3_2_0040F4AF
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041B539 FindResourceA,LoadResource,LockResource,SizeofResource, 3_2_0041B539
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041AADB OpenSCManagerW,OpenServiceW,CloseServiceHandle,StartServiceW,CloseServiceHandle,CloseServiceHandle,CloseServiceHandle, 3_2_0041AADB
Source: C:\Users\user\Desktop\rYhL.exe File created: C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rYhL.exe.log Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Mutant created: NULL
Source: C:\Users\user\Desktop\rYhL.exe Mutant created: \Sessions\1\BaseNamedObjects\Rmc-ZA03K9
Source: C:\Users\user\Desktop\rYhL.exe File created: C:\Users\user\AppData\Local\Temp\bhv6B90.tmp Jump to behavior
Source: rYhL.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: rYhL.exe Static file information: TRID: Win32 Executable (generic) Net Framework (10011505/4) 49.83%
Source: C:\Users\user\Desktop\rYhL.exe System information queried: HandleInformation Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe File read: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: rYhL.exe, rYhL.exe, 00000005.00000002.2094871798.0000000000400000.00000040.80000000.00040000.00000000.sdmp Binary or memory string: SELECT 'INSERT INTO vacuum_db.' || quote(name) || ' SELECT * FROM main.' || quote(name) || ';' FROM vacuum_db.sqlite_master WHERE name=='sqlite_sequence';
Source: rYhL.exe, rYhL.exe, 00000006.00000002.2088337064.0000000000400000.00000040.80000000.00040000.00000000.sdmp Binary or memory string: INSERT INTO %Q.%s VALUES('index',%Q,%Q,#%d,%Q);
Source: rYhL.exe, 00000005.00000002.2094871798.0000000000400000.00000040.80000000.00040000.00000000.sdmp Binary or memory string: UPDATE %Q.%s SET sql = CASE WHEN type = 'trigger' THEN sqlite_rename_trigger(sql, %Q)ELSE sqlite_rename_table(sql, %Q) END, tbl_name = %Q, name = CASE WHEN type='table' THEN %Q WHEN name LIKE 'sqlite_autoindex%%' AND type='index' THEN 'sqlite_autoindex_' || %Q || substr(name,%d+18) ELSE name END WHERE tbl_name=%Q AND (type='table' OR type='index' OR type='trigger');
Source: rYhL.exe, rYhL.exe, 00000005.00000002.2094871798.0000000000400000.00000040.80000000.00040000.00000000.sdmp Binary or memory string: SELECT 'INSERT INTO vacuum_db.' || quote(name) || ' SELECT * FROM main.' || quote(name) || ';'FROM main.sqlite_master WHERE type = 'table' AND name!='sqlite_sequence' AND rootpage>0
Source: rYhL.exe, rYhL.exe, 00000005.00000002.2094871798.0000000000400000.00000040.80000000.00040000.00000000.sdmp Binary or memory string: UPDATE "%w".%s SET sql = sqlite_rename_parent(sql, %Q, %Q) WHERE %s;
Source: rYhL.exe, rYhL.exe, 00000005.00000002.2094871798.0000000000400000.00000040.80000000.00040000.00000000.sdmp Binary or memory string: UPDATE sqlite_temp_master SET sql = sqlite_rename_trigger(sql, %Q), tbl_name = %Q WHERE %s;
Source: rYhL.exe, 00000005.00000002.2096118561.0000000001C0E000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: CREATE TABLE password_notes (id INTEGER PRIMARY KEY AUTOINCREMENT, parent_id INTEGER NOT NULL REFERENCES logins ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED, key VARCHAR NOT NULL, value BLOB, date_created INTEGER NOT NULL, confidential INTEGER, UNIQUE (parent_id, key));
Source: rYhL.exe, rYhL.exe, 00000005.00000002.2094871798.0000000000400000.00000040.80000000.00040000.00000000.sdmp Binary or memory string: SELECT 'DELETE FROM vacuum_db.' || quote(name) || ';' FROM vacuum_db.sqlite_master WHERE name='sqlite_sequence'
Source: rYhL.exe ReversingLabs: Detection: 52%
Source: rYhL.exe Virustotal: Detection: 55%
Source: C:\Users\user\Desktop\rYhL.exe Evasive API call chain: __getmainargs,DecisionNodes,exit
Source: unknown Process created: C:\Users\user\Desktop\rYhL.exe "C:\Users\user\Desktop\rYhL.exe"
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe "C:\Users\user\Desktop\rYhL.exe"
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\ohqatscrleqoh"
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\ohqatscrleqoh"
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\ybvkuknlzmitkiyc"
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\idaducgmvuafupugdysz"
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe "C:\Users\user\Desktop\rYhL.exe" Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\ohqatscrleqoh" Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\ohqatscrleqoh" Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\ybvkuknlzmitkiyc" Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\idaducgmvuafupugdysz" Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: version.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: dwrite.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: textshaping.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: windowscodecs.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: amsi.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: userenv.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: msasn1.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: gpapi.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: winmm.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: urlmon.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: wininet.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: iertutil.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: srvcli.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: netutils.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: iphlpapi.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: rstrtmgr.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: ncrypt.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: ntasn1.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: mswsock.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: ondemandconnroutehelper.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: winhttp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: winnsi.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: dnsapi.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: rasadhlp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: fwpuclnt.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: version.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: wininet.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: pstorec.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: vaultcli.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: dpapi.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: msasn1.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: pstorec.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: msasn1.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: msasn1.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: msasn1.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0EE7644B-1BAD-48B1-9889-0281C206EB85}\InprocServer32 Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe File opened: C:\Users\user\Desktop\rYhL.cfg Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe File opened: C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorrc.dll Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts Jump to behavior
Source: rYhL.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
Source: rYhL.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE

Data Obfuscation
barindex
.NET source code contains potential unpacker
Source: 0.2.rYhL.exe.3419478.0.raw.unpack, .cs .Net Code: System.Reflection.Assembly.Load(byte[])
Source: 0.2.rYhL.exe.7770000.5.raw.unpack, .cs .Net Code: System.Reflection.Assembly.Load(byte[])
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, h7g8jtZpJbQb8YJRQy.cs .Net Code: HIIXDyvNoq System.Reflection.Assembly.Load(byte[])
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, h7g8jtZpJbQb8YJRQy.cs .Net Code: HIIXDyvNoq System.Reflection.Assembly.Load(byte[])
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041CBE1 LoadLibraryA,LoadLibraryA,GetProcAddress,GetProcAddress,GetModuleHandleA,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress, 3_2_0041CBE1
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_075B70E5 push FFFFFF8Bh; iretd 0_2_075B70E7
Source: C:\Users\user\Desktop\rYhL.exe Code function: 0_2_075B4C30 push 0000005Dh; ret 0_2_075B4C61
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00457186 push ecx; ret 3_2_00457199
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0045E55D push esi; ret 3_2_0045E566
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00457AA8 push eax; ret 3_2_00457AC6
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00434EB6 push ecx; ret 3_2_00434EC9
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_10002806 push ecx; ret 3_2_10002819
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0044693D push ecx; ret 5_2_0044694D
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0044DB70 push eax; ret 5_2_0044DB84
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0044DB70 push eax; ret 5_2_0044DBAC
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00451D54 push eax; ret 5_2_00451D61
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0044B090 push eax; ret 6_2_0044B0A4
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_0044B090 push eax; ret 6_2_0044B0CC
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00451D34 push eax; ret 6_2_00451D41
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00444E71 push ecx; ret 6_2_00444E81
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00414060 push eax; ret 7_2_00414074
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00414060 push eax; ret 7_2_0041409C
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00414039 push ecx; ret 7_2_00414049
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_004164EB push 0000006Ah; retf 7_2_004165C4
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00416553 push 0000006Ah; retf 7_2_004165C4
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00416555 push 0000006Ah; retf 7_2_004165C4
Source: rYhL.exe Static PE information: section name: .text entropy: 7.984419364342549
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, aaRSXXvuBsjyuyfiLYU.cs High entropy of concatenated method names: 'UvURkGWbnU', 'eiDR8vEDlO', 'D1TRDf8ytH', 'geuRFb6f2v', 'RNpRHMF3cS', 'OfrRcBtFoW', 'OixRSaQxfL', 'c1QR7Zh7Q1', 'qLlRmibdDw', 'hmMRghCHld'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, vkXLbm7NbFnAyYgoFU.cs High entropy of concatenated method names: 'fVCr6LAjfm', 'hQMrtjYVJ9', 'W1nrKVhkfb', 'bn3rpoqNvC', 'EAhrjR6IVp', 'ekaraYMXRI', 'P95rqtCD6i', 'JT6rfPNNfN', 'zh2rwQvvTR', 'dlGrTHb7WC'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, qUZ0TLKvpjmBmjCs0Z.cs High entropy of concatenated method names: 'ToString', 'hFv3dtGQkN', 'ltH3oeW89a', 'rAf3Lfdmpa', 'sxJ3CYZKCr', 'Ypm3NwgnGT', 'oyv30KpNZ0', 'SEw32H0i4P', 'uEE3MkLNxo', 'Tvt3VaRWOw'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, t47C6FanJW2IRtMone.cs High entropy of concatenated method names: 'aCBnfDd3sW', 'GLfnTV5ZlI', 'mkJxuArBkV', 'g0jxvOhpxV', 'kR4nd7I6hy', 'AETnGyQ0uf', 'mSMnh7cbZ0', 'nLwn6T7f8L', 'WHcntbdV8u', 'YFknKmlQg4'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, sDhaTspB15XLIKojId.cs High entropy of concatenated method names: 'CyHneRPhaO', 'EmPnUueO22', 'ToString', 'Ih8nsY13VG', 'UrknruHEXQ', 'ASDn4RKwf0', 'fx8ni0s9ke', 'zOnnyUVqJo', 'zQcnEaydNM', 'qJEnZCqQN7'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, vdGwgCrHxthcFkMiiA.cs High entropy of concatenated method names: 'Dispose', 'EhWvwKyWh8', 'YvYbo4pDrk', 'TySNNKgLM2', 'ykkvTGZd6Z', 'BOZvzS6eUh', 'ProcessDialogKey', 'mOsbuCHqyL', 'bJXbvfcRJj', 'bMhbbQFthi'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, cdfytObNftiyQAe8gg.cs High entropy of concatenated method names: 'lnkDXBemJ', 'vegFXFkPL', 'ceYcLWRxT', 'iPgSSF5ZN', 'hULmAXjF6', 'TdZgAkVVb', 'IFoiSdpYraExHl5DMK', 'JDbUFhBKJKcS69KI7o', 'aRMxRUlQK', 'HoSOefNaQ'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, hTjWrY9nVoo7wOdi4l.cs High entropy of concatenated method names: 'I3ByQuNF0s', 'atMyrm70ss', 'iE4yirAroT', 'FmRyE0DEtv', 'AawyZSTIwB', 'aKrijRpcIu', 'jJAiaDt9Gn', 'jNviq3HTr5', 'jlEifxG6Ny', 'pjtiwrpvi1'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, fCHqyLwbJXfcRJjvMh.cs High entropy of concatenated method names: 'Xnux9lJuMo', 'If1xolRhqd', 'XbwxLyQg8J', 'prXxCZf6oX', 'JEqx6b4cMF', 'FDRxN2yNIP', 'Next', 'Next', 'Next', 'NextBytes'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, eFthi8TAUxRR5bHAiU.cs High entropy of concatenated method names: 'qGvRvtSHoU', 'oTQRJPQFiv', 'IaORXI1dvx', 'ac2Rs2G71P', 'DnsRroC82F', 'LZ2RioLrmF', 'J3JRyMX8pJ', 'mbMxqVriHx', 'jZUxfJnHfQ', 'NJUxwBbhbt'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, XpdWtb4umxlLfesgQn.cs High entropy of concatenated method names: 'EditValue', 'GetEditStyle', 'q9pbwcOBi0', 'PfdbTO2Nt5', 'YZZbzFQL44', 'MwuJuXpvGu', 'tTgJvc6tNn', 'I1XJbNKhf5', 'nKyJJlPYKI', 'cAhvAr9kWPbTSdSErwx'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, zW003qVEqy4LsncnKp.cs High entropy of concatenated method names: 'a25Ekvvl8N', 'bJiE89P498', 'JfdEDZWxlO', 'EOFEFaDVcS', 'Y2LEH2GZI7', 'nklEcOaV8E', 'ejuESB65wj', 'R0TE7VYtpg', 'UJxEmCj7wm', 'zBvEgJRsSs'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, QuLU3JmOcE6ek5yCM5.cs High entropy of concatenated method names: 'xhV4FxEVU4', 'xVi4c8qxgq', 'hQJ47IhOEY', 'UA34mTriwi', 'mmH4WVNE0U', 'iiI43raTMa', 'G1j4ni2PuC', 'wOT4xjeqBc', 'qfV4RICMmC', 'IHY4OJqJUn'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, WULmnpvJPSTP1wKRcbl.cs High entropy of concatenated method names: 'CanConvertFrom', 'ConvertFrom', 'ConvertTo', 'Q41O6Q7jV5', 'B2rOt65Lm1', 'mrVOKETOsA', 'CN7OpdM0Sh', 'VlmOjoJJcn', 'svwOa1HL9f', 'UdNOqJMUfG'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, sJupmGX8IJy1fHSesh.cs High entropy of concatenated method names: 'kPBvEkXLbm', 'JbFvZnAyYg', 'cOcveE6ek5', 'iCMvU5bw4A', 'ARXvWki4Tj', 'orYv3nVoo7', 'vXfeQogNeDBXoelt1I', 'AH0vc5N8dJMNF1BGt0', 'vjlSQn2RYAsOkbDvV2', 'Ikovv3sqKN'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, cw4AivgiefADYHRXki.cs High entropy of concatenated method names: 'QVEiHFx8Fb', 'NieiSWMCNd', 'jDv4Lk0REX', 'UTa4C8M1Vg', 'Gby4NUbQBv', 'nKP40G6kK3', 'Lxt42vieFV', 'XYD4M3H2CT', 'lJ24VSk8Sp', 'obf4YCSa69'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, ixi1ym6907T2vrAhpl.cs High entropy of concatenated method names: 'QpiWYX7DX9', 'vAtWGX7NHo', 'bp3W6jTGvY', 'SZWWtmMEuq', 'RwvWoT9N54', 'e3pWLBTVGM', 'eFWWCHk2dl', 'rJ2WNjNG4Z', 'xw3W09AeUv', 'yTIW2dE6sk'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, h7g8jtZpJbQb8YJRQy.cs High entropy of concatenated method names: 'D2PJQZwdB6', 'uV3JssbYmv', 'uWBJrG5SKY', 'M8UJ4kGLfi', 'gQsJi0DIZG', 'KWwJyknkLF', 'FlkJEbc3pe', 'eXZJZfIxAl', 'iHMJIMRk1U', 'UR4JeaOemM'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, MICTxRhm36R84StVrh.cs High entropy of concatenated method names: 'Gtx57XkqWu', 'or45m0919c', 'eKE59ditxZ', 'kvv5oqmNif', 'd3v5C3ura2', 'bjX5NR0nLq', 'yKj52yMXVR', 'Y1l5MOVZjP', 'uaJ5YeEA5q', 'AhH5dkJVHE'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, xkGZd6fZHOZS6eUheO.cs High entropy of concatenated method names: 'T98xsys8Yn', 'UWRxrdF981', 'NGDx4AiCYb', 'PZTxianyGC', 'h8Gxy0bdqc', 'kHSxEaT1DY', 'SL7xZ9rt7g', 'g6HxIVT0UI', 'TcXxeZIO3r', 'XBbxUiO8Za'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, QWQ2y62JMaVrHeR1wk.cs High entropy of concatenated method names: 'iNYEsP4eha', 'BOLE4QmrVA', 'wF8EyvUSUo', 'eBQyTV06VK', 'Whyyz5MHet', 'iobEuUOtXF', 'H1wEvAtxGq', 'HXUEbhe2ER', 'yYtEJoU9DG', 'RowEXTxg5I'
Source: 0.2.rYhL.exe.456ae98.3.raw.unpack, gandkHvbtWxhOw37mhh.cs High entropy of concatenated method names: 'qe1Oki3pX6', 'GtqO8KQoIm', 'EVDOD4sr1T', 'fp6B2X4N2gSexjeMARF', 'RrkAwS42UhZycXolIR1', 'tWtdYH4gJn3nSjLpj5x'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, aaRSXXvuBsjyuyfiLYU.cs High entropy of concatenated method names: 'UvURkGWbnU', 'eiDR8vEDlO', 'D1TRDf8ytH', 'geuRFb6f2v', 'RNpRHMF3cS', 'OfrRcBtFoW', 'OixRSaQxfL', 'c1QR7Zh7Q1', 'qLlRmibdDw', 'hmMRghCHld'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, vkXLbm7NbFnAyYgoFU.cs High entropy of concatenated method names: 'fVCr6LAjfm', 'hQMrtjYVJ9', 'W1nrKVhkfb', 'bn3rpoqNvC', 'EAhrjR6IVp', 'ekaraYMXRI', 'P95rqtCD6i', 'JT6rfPNNfN', 'zh2rwQvvTR', 'dlGrTHb7WC'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, qUZ0TLKvpjmBmjCs0Z.cs High entropy of concatenated method names: 'ToString', 'hFv3dtGQkN', 'ltH3oeW89a', 'rAf3Lfdmpa', 'sxJ3CYZKCr', 'Ypm3NwgnGT', 'oyv30KpNZ0', 'SEw32H0i4P', 'uEE3MkLNxo', 'Tvt3VaRWOw'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, t47C6FanJW2IRtMone.cs High entropy of concatenated method names: 'aCBnfDd3sW', 'GLfnTV5ZlI', 'mkJxuArBkV', 'g0jxvOhpxV', 'kR4nd7I6hy', 'AETnGyQ0uf', 'mSMnh7cbZ0', 'nLwn6T7f8L', 'WHcntbdV8u', 'YFknKmlQg4'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, sDhaTspB15XLIKojId.cs High entropy of concatenated method names: 'CyHneRPhaO', 'EmPnUueO22', 'ToString', 'Ih8nsY13VG', 'UrknruHEXQ', 'ASDn4RKwf0', 'fx8ni0s9ke', 'zOnnyUVqJo', 'zQcnEaydNM', 'qJEnZCqQN7'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, vdGwgCrHxthcFkMiiA.cs High entropy of concatenated method names: 'Dispose', 'EhWvwKyWh8', 'YvYbo4pDrk', 'TySNNKgLM2', 'ykkvTGZd6Z', 'BOZvzS6eUh', 'ProcessDialogKey', 'mOsbuCHqyL', 'bJXbvfcRJj', 'bMhbbQFthi'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, cdfytObNftiyQAe8gg.cs High entropy of concatenated method names: 'lnkDXBemJ', 'vegFXFkPL', 'ceYcLWRxT', 'iPgSSF5ZN', 'hULmAXjF6', 'TdZgAkVVb', 'IFoiSdpYraExHl5DMK', 'JDbUFhBKJKcS69KI7o', 'aRMxRUlQK', 'HoSOefNaQ'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, hTjWrY9nVoo7wOdi4l.cs High entropy of concatenated method names: 'I3ByQuNF0s', 'atMyrm70ss', 'iE4yirAroT', 'FmRyE0DEtv', 'AawyZSTIwB', 'aKrijRpcIu', 'jJAiaDt9Gn', 'jNviq3HTr5', 'jlEifxG6Ny', 'pjtiwrpvi1'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, fCHqyLwbJXfcRJjvMh.cs High entropy of concatenated method names: 'Xnux9lJuMo', 'If1xolRhqd', 'XbwxLyQg8J', 'prXxCZf6oX', 'JEqx6b4cMF', 'FDRxN2yNIP', 'Next', 'Next', 'Next', 'NextBytes'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, eFthi8TAUxRR5bHAiU.cs High entropy of concatenated method names: 'qGvRvtSHoU', 'oTQRJPQFiv', 'IaORXI1dvx', 'ac2Rs2G71P', 'DnsRroC82F', 'LZ2RioLrmF', 'J3JRyMX8pJ', 'mbMxqVriHx', 'jZUxfJnHfQ', 'NJUxwBbhbt'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, XpdWtb4umxlLfesgQn.cs High entropy of concatenated method names: 'EditValue', 'GetEditStyle', 'q9pbwcOBi0', 'PfdbTO2Nt5', 'YZZbzFQL44', 'MwuJuXpvGu', 'tTgJvc6tNn', 'I1XJbNKhf5', 'nKyJJlPYKI', 'cAhvAr9kWPbTSdSErwx'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, zW003qVEqy4LsncnKp.cs High entropy of concatenated method names: 'a25Ekvvl8N', 'bJiE89P498', 'JfdEDZWxlO', 'EOFEFaDVcS', 'Y2LEH2GZI7', 'nklEcOaV8E', 'ejuESB65wj', 'R0TE7VYtpg', 'UJxEmCj7wm', 'zBvEgJRsSs'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, QuLU3JmOcE6ek5yCM5.cs High entropy of concatenated method names: 'xhV4FxEVU4', 'xVi4c8qxgq', 'hQJ47IhOEY', 'UA34mTriwi', 'mmH4WVNE0U', 'iiI43raTMa', 'G1j4ni2PuC', 'wOT4xjeqBc', 'qfV4RICMmC', 'IHY4OJqJUn'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, WULmnpvJPSTP1wKRcbl.cs High entropy of concatenated method names: 'CanConvertFrom', 'ConvertFrom', 'ConvertTo', 'Q41O6Q7jV5', 'B2rOt65Lm1', 'mrVOKETOsA', 'CN7OpdM0Sh', 'VlmOjoJJcn', 'svwOa1HL9f', 'UdNOqJMUfG'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, sJupmGX8IJy1fHSesh.cs High entropy of concatenated method names: 'kPBvEkXLbm', 'JbFvZnAyYg', 'cOcveE6ek5', 'iCMvU5bw4A', 'ARXvWki4Tj', 'orYv3nVoo7', 'vXfeQogNeDBXoelt1I', 'AH0vc5N8dJMNF1BGt0', 'vjlSQn2RYAsOkbDvV2', 'Ikovv3sqKN'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, cw4AivgiefADYHRXki.cs High entropy of concatenated method names: 'QVEiHFx8Fb', 'NieiSWMCNd', 'jDv4Lk0REX', 'UTa4C8M1Vg', 'Gby4NUbQBv', 'nKP40G6kK3', 'Lxt42vieFV', 'XYD4M3H2CT', 'lJ24VSk8Sp', 'obf4YCSa69'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, ixi1ym6907T2vrAhpl.cs High entropy of concatenated method names: 'QpiWYX7DX9', 'vAtWGX7NHo', 'bp3W6jTGvY', 'SZWWtmMEuq', 'RwvWoT9N54', 'e3pWLBTVGM', 'eFWWCHk2dl', 'rJ2WNjNG4Z', 'xw3W09AeUv', 'yTIW2dE6sk'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, h7g8jtZpJbQb8YJRQy.cs High entropy of concatenated method names: 'D2PJQZwdB6', 'uV3JssbYmv', 'uWBJrG5SKY', 'M8UJ4kGLfi', 'gQsJi0DIZG', 'KWwJyknkLF', 'FlkJEbc3pe', 'eXZJZfIxAl', 'iHMJIMRk1U', 'UR4JeaOemM'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, MICTxRhm36R84StVrh.cs High entropy of concatenated method names: 'Gtx57XkqWu', 'or45m0919c', 'eKE59ditxZ', 'kvv5oqmNif', 'd3v5C3ura2', 'bjX5NR0nLq', 'yKj52yMXVR', 'Y1l5MOVZjP', 'uaJ5YeEA5q', 'AhH5dkJVHE'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, xkGZd6fZHOZS6eUheO.cs High entropy of concatenated method names: 'T98xsys8Yn', 'UWRxrdF981', 'NGDx4AiCYb', 'PZTxianyGC', 'h8Gxy0bdqc', 'kHSxEaT1DY', 'SL7xZ9rt7g', 'g6HxIVT0UI', 'TcXxeZIO3r', 'XBbxUiO8Za'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, QWQ2y62JMaVrHeR1wk.cs High entropy of concatenated method names: 'iNYEsP4eha', 'BOLE4QmrVA', 'wF8EyvUSUo', 'eBQyTV06VK', 'Whyyz5MHet', 'iobEuUOtXF', 'H1wEvAtxGq', 'HXUEbhe2ER', 'yYtEJoU9DG', 'RowEXTxg5I'
Source: 0.2.rYhL.exe.74f0000.4.raw.unpack, gandkHvbtWxhOw37mhh.cs High entropy of concatenated method names: 'qe1Oki3pX6', 'GtqO8KQoIm', 'EVDOD4sr1T', 'fp6B2X4N2gSexjeMARF', 'RrkAwS42UhZycXolIR1', 'tWtdYH4gJn3nSjLpj5x'
Contains functionality to download and launch executables
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00406EEB ShellExecuteW,URLDownloadToFileW, 3_2_00406EEB
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041AADB OpenSCManagerW,OpenServiceW,CloseServiceHandle,StartServiceW,CloseServiceHandle,CloseServiceHandle,CloseServiceHandle, 3_2_0041AADB

Hooking and other Techniques for Hiding and Protection
barindex
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Source: initial sample Icon embedded in binary file: icon matches a legit application icon: adobe 12.png
Extensive use of GetProcAddress (often used to hide API calls)
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041CBE1 LoadLibraryA,LoadLibraryA,GetProcAddress,GetProcAddress,GetModuleHandleA,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress, 3_2_0041CBE1
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion
barindex
Yara detected AntiVM3
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 6196, type: MEMORYSTR
Delayed program exit found
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040F7E2 Sleep,ExitProcess, 3_2_0040F7E2
Allocates memory with a write watch (potentially for evading sandboxes)
Source: C:\Users\user\Desktop\rYhL.exe Memory allocated: 19E0000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Memory allocated: 33E0000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Memory allocated: 31D0000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Memory allocated: 9330000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Memory allocated: A330000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Memory allocated: A530000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Memory allocated: B530000 memory reserve | memory write watch Jump to behavior
Contains functionality to check the parent process ID (often done to detect debuggers and analysis systems)
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0040DD85 memset,CreateFileW,NtQuerySystemInformation,FindCloseChangeNotification,GetCurrentProcessId,_wcsicmp,_wcsicmp,_wcsicmp,OpenProcess,GetCurrentProcess,DuplicateHandle,memset,CloseHandle,_wcsicmp,CloseHandle, 5_2_0040DD85
Contains functionality to enumerate running services
Source: C:\Users\user\Desktop\rYhL.exe Code function: OpenSCManagerA,EnumServicesStatusW,GetLastError,EnumServicesStatusW,OpenServiceW,QueryServiceConfigW,GetLastError,QueryServiceConfigW,CloseServiceHandle,CloseServiceHandle, 3_2_0041A7D9
Contains long sleeps (>= 3 min)
Source: C:\Users\user\Desktop\rYhL.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Source: C:\Users\user\Desktop\rYhL.exe Window / User API: threadDelayed 5282 Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Window / User API: threadDelayed 4707 Jump to behavior
Found decision node followed by non-executed suspicious APIs
Source: C:\Users\user\Desktop\rYhL.exe Decision node followed by non-executed suspicious API: DecisionNode, Non Executed (send or recv or WinExec)
Found large amount of non-executed APIs
Source: C:\Users\user\Desktop\rYhL.exe API coverage: 9.7 %
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\rYhL.exe TID: 5268 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe TID: 6680 Thread sleep count: 5282 > 30 Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe TID: 6680 Thread sleep time: -15846000s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe TID: 6680 Thread sleep count: 4707 > 30 Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe TID: 6680 Thread sleep time: -14121000s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040928E __EH_prolog,__CxxThrowException@8,FindFirstFileW,FindNextFileW,FindClose,FindClose, 3_2_0040928E
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041C322 FindFirstFileW,FindNextFileW,RemoveDirectoryW,SetFileAttributesW,DeleteFileW,GetLastError,FindClose,RemoveDirectoryW,FindClose, 3_2_0041C322
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040C388 FindFirstFileW,PathFileExistsW,FindNextFileW,FindClose,FindClose, 3_2_0040C388
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_004096A0 __EH_prolog,FindFirstFileW,FindNextFileW,FindClose,FindClose, 3_2_004096A0
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00408847 __EH_prolog,FindFirstFileW,__CxxThrowException@8,FindNextFileW,FindClose, 3_2_00408847
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00407877 FindFirstFileW,FindNextFileW, 3_2_00407877
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0044E8F9 FindFirstFileExA, 3_2_0044E8F9
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040BB6B FindFirstFileA,FindClose,DeleteFileA,GetLastError,DeleteFileA,GetLastError,FindNextFileA,FindClose, 3_2_0040BB6B
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00419B86 FindFirstFileW,FindNextFileW,FindNextFileW, 3_2_00419B86
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0040BD72 FindFirstFileA,FindClose,DeleteFileA,GetLastError,FindNextFileA,FindClose,FindClose, 3_2_0040BD72
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_100010F1 lstrlenW,lstrlenW,lstrcatW,lstrlenW,lstrlenW,lstrlenW,FindFirstFileW,FindNextFileW,FindClose, 3_2_100010F1
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_10006580 FindFirstFileExA, 3_2_10006580
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0040AE51 FindFirstFileW,FindNextFileW, 5_2_0040AE51
Source: C:\Users\user\Desktop\rYhL.exe Code function: 6_2_00407EF8 FindFirstFileA,FindNextFileA,strlen,strlen, 6_2_00407EF8
Source: C:\Users\user\Desktop\rYhL.exe Code function: 7_2_00407898 FindFirstFileA,FindNextFileA,strlen,strlen, 7_2_00407898
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00407CD2 SetEvent,GetFileAttributesW,DeleteFileW,ShellExecuteW,GetLogicalDriveStringsA,SetFileAttributesW,DeleteFileA,Sleep,StrToIntA,CreateDirectoryW, 3_2_00407CD2
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_00418981 memset,GetSystemInfo, 5_2_00418981
Source: C:\Users\user\Desktop\rYhL.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: rYhL.exe, 00000003.00000002.4484426646.00000000015BF000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAW
Source: rYhL.exe, 00000003.00000002.4484224435.0000000001547000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAWy\
Source: bhv6B90.tmp.5.dr Binary or memory string: https://config.edge.skype.com/config/v1/Skype/1446_8.53.0.77?OSVer=10.0.19045.2006&ClientID=RHTiQUpXOaQeBtbq%2B7LgJauNdx5lF%2FQ%2FOy2qwXRNGjU%3D&Manufacturer=VMware%2C%20Inc.&Model=VMware20%2C1&Language=en&Locale=en-US
Source: C:\Users\user\Desktop\rYhL.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\Desktop\rYhL.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\Desktop\rYhL.exe Process information queried: ProcessInformation Jump to behavior
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00434A8A IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 3_2_00434A8A
Contains functionality to check the parent process ID (often done to detect debuggers and analysis systems)
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0040DD85 memset,CreateFileW,NtQuerySystemInformation,FindCloseChangeNotification,GetCurrentProcessId,_wcsicmp,_wcsicmp,_wcsicmp,OpenProcess,GetCurrentProcess,DuplicateHandle,memset,CloseHandle,_wcsicmp,CloseHandle, 5_2_0040DD85
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041CBE1 LoadLibraryA,LoadLibraryA,GetProcAddress,GetProcAddress,GetModuleHandleA,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress,LoadLibraryA,GetProcAddress, 3_2_0041CBE1
Contains functionality to read the PEB
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00443355 mov eax, dword ptr fs:[00000030h] 3_2_00443355
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_10004AB4 mov eax, dword ptr fs:[00000030h] 3_2_10004AB4
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00411D39 SetLastError,GetNativeSystemInfo,SetLastError,GetProcessHeap,HeapAlloc,SetLastError, 3_2_00411D39
Enables debug privileges
Source: C:\Users\user\Desktop\rYhL.exe Process token adjusted: Debug Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0043503C SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 3_2_0043503C
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00434A8A IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 3_2_00434A8A
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0043BB71 IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 3_2_0043BB71
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00434BD8 SetUnhandledExceptionFilter, 3_2_00434BD8
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_100060E2 IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 3_2_100060E2
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_10002639 IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 3_2_10002639
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_10002B1C SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 3_2_10002B1C
Source: C:\Users\user\Desktop\rYhL.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion
barindex
Contains functionality to inject code into remote processes
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041812A GetProcAddress,GetModuleHandleA,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,GetModuleHandleA,GetProcAddress,CreateProcessW,VirtualAlloc,Wow64GetThreadContext,ReadProcessMemory,NtCreateSection,NtUnmapViewOfSection,NtMapViewOfSection,VirtualFree,NtClose,TerminateProcess,GetModuleHandleA,GetProcAddress,GetCurrentProcess,NtMapViewOfSection,WriteProcessMemory,Wow64SetThreadContext,ResumeThread,VirtualFree,GetCurrentProcess,NtUnmapViewOfSection,NtClose,TerminateProcess,GetLastError, 3_2_0041812A
Injects a PE file into a foreign processes
Source: C:\Users\user\Desktop\rYhL.exe Memory written: C:\Users\user\Desktop\rYhL.exe base: 400000 value starts with: 4D5A Jump to behavior
Maps a DLL or memory area into another process
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: NULL target: C:\Users\user\Desktop\rYhL.exe protection: execute and read and write Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: NULL target: C:\Users\user\Desktop\rYhL.exe protection: execute and read and write Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Section loaded: NULL target: C:\Users\user\Desktop\rYhL.exe protection: execute and read and write Jump to behavior
Contains functionality to enumerate process and check for explorer.exe or svchost.exe (often used for thread injection)
Source: C:\Users\user\Desktop\rYhL.exe Code function: GetCurrentProcessId,OpenMutexA,CloseHandle,CreateThread,CloseHandle,Sleep,OpenProcess, svchost.exe 3_2_00412132
Contains functionality to simulate mouse events
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00419662 mouse_event, 3_2_00419662
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe "C:\Users\user\Desktop\rYhL.exe" Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\ohqatscrleqoh" Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\ohqatscrleqoh" Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\ybvkuknlzmitkiyc" Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Process created: C:\Users\user\Desktop\rYhL.exe C:\Users\user\Desktop\rYhL.exe /stext "C:\Users\user\AppData\Local\Temp\idaducgmvuafupugdysz" Jump to behavior
Source: rYhL.exe, 00000003.00000002.4484224435.0000000001581000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Program Manager
Source: rYhL.exe, 00000003.00000002.4484224435.0000000001581000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Program ManagerDz}k
Source: rYhL.exe, 00000003.00000002.4484224435.0000000001581000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Program ManageryzPk
Source: rYhL.exe, 00000003.00000002.4484224435.0000000001581000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Program Manager|zUk
Source: rYhL.exe, 00000003.00000002.4484224435.0000000001581000.00000004.00000020.00020000.00000000.sdmp, rYhL.exe, 00000003.00000002.4484224435.0000000001547000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: |Program Manager|
Contains functionality to query CPU information (cpuid)
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00434CB6 cpuid 3_2_00434CB6
Contains functionality to query locales information (e.g. system language)
Source: C:\Users\user\Desktop\rYhL.exe Code function: GetLocaleInfoA, 3_2_0040F90C
Source: C:\Users\user\Desktop\rYhL.exe Code function: EnumSystemLocalesW, 3_2_0045201B
Source: C:\Users\user\Desktop\rYhL.exe Code function: EnumSystemLocalesW, 3_2_004520B6
Source: C:\Users\user\Desktop\rYhL.exe Code function: GetLocaleInfoW,GetLocaleInfoW,GetLocaleInfoW, 3_2_00452143
Source: C:\Users\user\Desktop\rYhL.exe Code function: GetLocaleInfoW, 3_2_00452393
Source: C:\Users\user\Desktop\rYhL.exe Code function: EnumSystemLocalesW, 3_2_00448484
Source: C:\Users\user\Desktop\rYhL.exe Code function: GetLocaleInfoW,GetLocaleInfoW,GetACP, 3_2_004524BC
Source: C:\Users\user\Desktop\rYhL.exe Code function: GetLocaleInfoW, 3_2_004525C3
Source: C:\Users\user\Desktop\rYhL.exe Code function: GetUserDefaultLCID,IsValidCodePage,IsValidLocale,GetLocaleInfoW,GetLocaleInfoW, 3_2_00452690
Source: C:\Users\user\Desktop\rYhL.exe Code function: GetLocaleInfoW, 3_2_0044896D
Source: C:\Users\user\Desktop\rYhL.exe Code function: IsValidCodePage,_wcschr,_wcschr,GetLocaleInfoW, 3_2_00451D58
Source: C:\Users\user\Desktop\rYhL.exe Code function: EnumSystemLocalesW, 3_2_00451FD0
Queries the volume information (name, serial number etc) of a device
Source: C:\Users\user\Desktop\rYhL.exe Queries volume information: C:\Users\user\Desktop\rYhL.exe VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Queries volume information: C:\Windows\Fonts\micross.ttf VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.VisualBasic\v4.0_10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualBasic.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Queries volume information: C:\ VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00404F51 GetLocalTime,CreateEventA,CreateThread, 3_2_00404F51
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_0041B69E GetComputerNameExW,GetUserNameW, 3_2_0041B69E
Source: C:\Users\user\Desktop\rYhL.exe Code function: 3_2_00449210 _free,_free,_free,GetTimeZoneInformation,WideCharToMultiByte,WideCharToMultiByte,_free, 3_2_00449210
Source: C:\Users\user\Desktop\rYhL.exe Code function: 5_2_0041739B GetVersionExW, 5_2_0041739B
Source: C:\Users\user\Desktop\rYhL.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information
barindex
Yara detected Remcos RAT
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.456ae98.3.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000003.00000002.4484224435.0000000001547000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2038533702.00000000043E9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 6196, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 5884, type: MEMORYSTR
Contains functionality to steal Chrome passwords or cookies
Source: C:\Users\user\Desktop\rYhL.exe Code function: \AppData\Local\Google\Chrome\User Data\Default\Login Data 3_2_0040BA4D
Contains functionality to steal Firefox passwords or cookies
Source: C:\Users\user\Desktop\rYhL.exe Code function: \AppData\Roaming\Mozilla\Firefox\Profiles\ 3_2_0040BB6B
Source: C:\Users\user\Desktop\rYhL.exe Code function: \key3.db 3_2_0040BB6B
Tries to harvest and steal browser information (history, passwords, etc)
Source: C:\Users\user\Desktop\rYhL.exe File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\Profiles\v6zchhhv.default-release\places.sqlite Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe File opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Web Data Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe File opened: C:\Users\user\AppData\Local\Microsoft\Edge\User Data\Default\Login Data Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe File opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Login Data Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\Profiles\v6zchhhv.default-release\key4.db Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Tries to steal Instant Messenger accounts or passwords
Source: C:\Users\user\Desktop\rYhL.exe Key opened: HKEY_CURRENT_USER\Software\Google\Google Talk\Accounts Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Key opened: HKEY_CURRENT_USER\SOFTWARE\Microsoft\IdentityCRL\Dynamic Salt Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Key opened: HKEY_CURRENT_USER\SOFTWARE\Microsoft\IdentityCRL\Dynamic Salt Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Key opened: HKEY_CURRENT_USER\Software\Google\Google Talk\Accounts Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Key opened: HKEY_CURRENT_USER\Software\Paltalk Jump to behavior
Tries to steal Mail credentials (via file / registry access)
Source: C:\Users\user\Desktop\rYhL.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Key opened: HKEY_CURRENT_USER\Software\IncrediMail\Identities Jump to behavior
Source: C:\Users\user\Desktop\rYhL.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Windows Live Mail Jump to behavior
Tries to steal Mail credentials (via file registry)
Source: C:\Users\user\Desktop\rYhL.exe Code function: ESMTPPassword 6_2_004033F0
Source: C:\Users\user\Desktop\rYhL.exe Code function: _mbscpy,_mbscpy,_mbscpy,_mbscpy,RegCloseKey, PopPassword 6_2_00402DB3
Source: C:\Users\user\Desktop\rYhL.exe Code function: _mbscpy,_mbscpy,_mbscpy,_mbscpy,RegCloseKey, SMTPPassword 6_2_00402DB3
Yara detected WebBrowserPassView password recovery tool
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 5884, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 4308, type: MEMORYSTR

Remote Access Functionality
barindex
Detected Remcos RAT
Source: C:\Users\user\Desktop\rYhL.exe Mutex created: \Sessions\1\BaseNamedObjects\Rmc-ZA03K9 Jump to behavior
Yara detected Remcos RAT
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rYhL.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.46254b8.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.456ae98.3.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.rYhL.exe.43e9970.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000003.00000002.4484224435.0000000001547000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000002.4483663867.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2038533702.00000000043E9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 6196, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: rYhL.exe PID: 5884, type: MEMORYSTR
Contains functionality to launch a control a shell (cmd.exe)
Source: C:\Users\user\Desktop\rYhL.exe Code function: cmd.exe 3_2_0040569A
windows-stand
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1501601 Sample: rYhL.exe Startdate: 30/08/2024 Architecture: WINDOWS Score: 100 27 15.164.165.52.in-addr.arpa 2->27 29 geoplugin.net 2->29 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 12 other signatures 2->49 8 rYhL.exe 3 2->8         started        signatures3 process4 file5 25 C:\Users\user\AppData\Local\...\rYhL.exe.log, ASCII 8->25 dropped 51 Contains functionality to bypass UAC (CMSTPLUA) 8->51 53 Tries to steal Mail credentials (via file registry) 8->53 55 Contains functionalty to change the wallpaper 8->55 57 6 other signatures 8->57 12 rYhL.exe 3 13 8->12         started        signatures6 process7 dnsIp8 31 67.207.161.204, 2404, 49708, 49709 AS-COLOAMUS United States 12->31 33 127.0.0.1 unknown unknown 12->33 35 geoplugin.net 178.237.33.50, 49710, 80 ATOM86-ASATOM86NL Netherlands 12->35 59 Detected Remcos RAT 12->59 61 Maps a DLL or memory area into another process 12->61 16 rYhL.exe 1 12->16         started        19 rYhL.exe 1 12->19         started        21 rYhL.exe 2 12->21         started        23 rYhL.exe 12->23         started        signatures9 process10 signatures11 37 Tries to steal Instant Messenger accounts or passwords 16->37 39 Tries to steal Mail credentials (via file / registry access) 16->39 41 Tries to harvest and steal browser information (history, passwords, etc) 19->41
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
67.207.161.204
 unknown United States
21769 AS-COLOAMUS true
178.237.33.50
 geoplugin.net Netherlands
8455 ATOM86-ASATOM86NL false

Private

IP
127.0.0.1

Contacted Domains

Name IP Active
geoplugin.net 178.237.33.50 true
15.164.165.52.in-addr.arpa unknown unknown

Contacted URLs

Name Malicious Antivirus Detection Reputation
http://geoplugin.net/json.gp false
  • URL Reputation: safe
 unknown
127.0.0.1 true
  • 0%, Virustotal, Browse
  • Avira URL Cloud: safe
 unknown