Windows Analysis Report
1vQ6RSHmz5.exe

Overview

General Information

Sample name: 1vQ6RSHmz5.exe
renamed because original name is a hash value
Original sample name: 566705afeb33d5a977708328cda48f1c.exe
Analysis ID: 1465913
MD5: 566705afeb33d5a977708328cda48f1c
SHA1: 582441d0aca8c9217bdaa3526cbec9f377bb0555
SHA256: ce5c39f359a043c19eaee84bb1371c0e6cb9b72ee452d3748c00a8758d52d27f
Tags: 32exe
Infos:

Detection

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

Signatures

Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to bypass UAC (CMSTPLUA)
Detected Remcos RAT
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
AI detected suspicious sample
Allocates memory in foreign processes
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
Sample uses process hollowing technique
Uses dynamic DNS services
Writes to foreign memory regions
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 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)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Extensive use of GetProcAddress (often used to hide API calls)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses Microsoft's Enhanced Cryptographic Provider
Uses code obfuscation techniques (call, push, ret)
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: 1vQ6RSHmz5.exe Avira: detected
Antivirus detection for URL or domain
Source: narutochwan.duckdns.org Avira URL Cloud: Label: malware
Found malware configuration
Source: 00000002.00000002.2467244520.0000000000C4B000.00000004.00000020.00020000.00000000.sdmp Malware Configuration Extractor: Remcos {"Host:Port:Password": "narutochwan.duckdns.org:2200:1", "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-1VT363", "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: 1vQ6RSHmz5.exe Virustotal: Detection: 24% Perma Link
Yara detected Remcos RAT
Source: Yara match File source: 2.2.iexplore.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.2.iexplore.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000002.00000002.2467244520.0000000000C4B000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.1237129019.0000000003051000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 1vQ6RSHmz5.exe PID: 6664, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: iexplore.exe PID: 6856, type: MEMORYSTR
AI detected suspicious sample
Source: Submited Sample Integrated Neural Analysis Model: Matched 99.8% probability
Uses Microsoft's Enhanced Cryptographic Provider
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00433837 CryptAcquireContextA,CryptGenRandom,CryptReleaseContext, 2_2_00433837
Source: 1vQ6RSHmz5.exe, 00000000.00000003.1237129019.0000000003051000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: -----BEGIN PUBLIC KEY----- memstr_a41a8015-5

Exploits
barindex
Yara detected UAC Bypass using CMSTP
Source: Yara match File source: 2.2.iexplore.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.2.iexplore.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.1237129019.0000000003051000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 1vQ6RSHmz5.exe PID: 6664, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: iexplore.exe PID: 6856, type: MEMORYSTR

Privilege Escalation
barindex
Contains functionality to bypass UAC (CMSTPLUA)
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_004074FD _wcslen,CoGetObject, 2_2_004074FD
Uses 32bit PE files
Source: 1vQ6RSHmz5.exe Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00409253 __EH_prolog,__CxxThrowException@8,FindFirstFileW,FindNextFileW,FindClose,FindClose, 2_2_00409253
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041C291 FindFirstFileW,FindNextFileW,RemoveDirectoryW,SetFileAttributesW,DeleteFileW,GetLastError,FindClose,RemoveDirectoryW,FindClose, 2_2_0041C291
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040C34D FindFirstFileW,PathFileExistsW,FindNextFileW,FindClose,FindClose, 2_2_0040C34D
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00409665 __EH_prolog,FindFirstFileW,FindNextFileW,FindClose,FindClose, 2_2_00409665
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0044E879 FindFirstFileExA, 2_2_0044E879
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040880C __EH_prolog,FindFirstFileW,__CxxThrowException@8,FindNextFileW,FindClose, 2_2_0040880C
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040783C FindFirstFileW,FindNextFileW, 2_2_0040783C
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00419AF5 FindFirstFileW,FindNextFileW,FindNextFileW, 2_2_00419AF5
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040BB30 FindFirstFileA,FindClose,DeleteFileA,GetLastError,DeleteFileA,GetLastError,FindNextFileA,FindClose, 2_2_0040BB30
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040BD37 FindFirstFileA,FindClose,DeleteFileA,GetLastError,FindNextFileA,FindClose,FindClose, 2_2_0040BD37
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00407C97 SetEvent,GetFileAttributesW,DeleteFileW,ShellExecuteW,GetLogicalDriveStringsA,SetFileAttributesW,DeleteFileA,Sleep,StrToIntA,CreateDirectoryW, 2_2_00407C97

Networking
barindex
C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: narutochwan.duckdns.org
Uses dynamic DNS services
Source: unknown DNS query: name: narutochwan.duckdns.org
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.7:49700 -> 91.92.242.76:2200
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: THEZONEBG THEZONEBG
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: unknown TCP traffic detected without corresponding DNS query: 176.223.134.190
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041B380 InternetOpenW,InternetOpenUrlW,InternetReadFile,InternetCloseHandle,InternetCloseHandle,InternetCloseHandle, 2_2_0041B380
Source: global traffic HTTP traffic detected: GET /x/re.txt HTTP/1.1Connection: Keep-AliveAccept: */*User-Agent: Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)Host: 176.223.134.190
Source: global traffic DNS traffic detected: DNS query: narutochwan.duckdns.org
Source: 1vQ6RSHmz5.exe, 00000000.00000003.1239154694.0000000000474000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000002.1240930531.0000000000474000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://176.223.134.190/
Source: 1vQ6RSHmz5.exe, 00000000.00000003.1239154694.0000000000474000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000002.1240930531.0000000000474000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://176.223.134.190/:D
Source: 1vQ6RSHmz5.exe, 00000000.00000003.1239154694.0000000000474000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000002.1240930531.0000000000474000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://176.223.134.190/mD
Source: 1vQ6RSHmz5.exe, 1vQ6RSHmz5.exe, 00000000.00000003.1239052882.000000000048B000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000002.1240839275.000000000043E000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000003.1239123601.000000000048D000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000002.1240979742.000000000048F000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://176.223.134.190/x/re.txt
Source: 1vQ6RSHmz5.exe String found in binary or memory: http://176.223.134.190/x/re.txt__vbaFreeVarList__vbaObjVarjC:
Source: 1vQ6RSHmz5.exe, 1vQ6RSHmz5.exe, 00000000.00000003.1239052882.000000000048B000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000003.1239123601.000000000048D000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000002.1240979742.000000000048F000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://176.223.134.190:80/x/re.txt
Source: iexplore.exe String found in binary or memory: http://geoplugin.net/json.gp
Source: 1vQ6RSHmz5.exe, 00000000.00000003.1237129019.0000000003051000.00000004.00000020.00020000.00000000.sdmp, iexplore.exe, 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.sdmp String found in binary or memory: http://geoplugin.net/json.gp/C

Key, Mouse, Clipboard, Microphone and Screen Capturing
barindex
Contains functionality to register a low level keyboard hook
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040A2B8 SetWindowsHookExA 0000000D,0040A2A4,00000000 2_2_0040A2B8
Contains functionality for read data from the clipboard
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040B70E OpenClipboard,GetClipboardData,CloseClipboard, 2_2_0040B70E
Contains functionality to modify clipboard data
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_004168C1 OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,GlobalUnlock,SetClipboardData,CloseClipboard,OpenClipboard,GetClipboardData,GlobalLock,GlobalUnlock,CloseClipboard, 2_2_004168C1
Contains functionality to read the clipboard data
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040B70E OpenClipboard,GetClipboardData,CloseClipboard, 2_2_0040B70E
Contains functionality to retrieve information about pressed keystrokes
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040A3E0 GetForegroundWindow,GetWindowThreadProcessId,GetKeyboardLayout,GetKeyState,GetKeyboardState,ToUnicodeEx,ToUnicodeEx,ToUnicodeEx,ToUnicodeEx, 2_2_0040A3E0

E-Banking Fraud
barindex
Yara detected Remcos RAT
Source: Yara match File source: 2.2.iexplore.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.2.iexplore.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000002.00000002.2467244520.0000000000C4B000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.1237129019.0000000003051000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 1vQ6RSHmz5.exe PID: 6664, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: iexplore.exe PID: 6856, type: MEMORYSTR

Spam, unwanted Advertisements and Ransom Demands
barindex
Contains functionalty to change the wallpaper
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041C9E2 SystemParametersInfoW, 2_2_0041C9E2

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: 2.2.iexplore.exe.400000.0.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: 2.2.iexplore.exe.400000.0.unpack, type: UNPACKEDPE Matched rule: REMCOS_RAT_variants Author: unknown
Source: 2.2.iexplore.exe.400000.0.unpack, type: UNPACKEDPE Matched rule: Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) Author: ditekSHen
Source: 2.2.iexplore.exe.400000.0.raw.unpack, type: UNPACKEDPE Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: 2.2.iexplore.exe.400000.0.raw.unpack, type: UNPACKEDPE Matched rule: REMCOS_RAT_variants Author: unknown
Source: 2.2.iexplore.exe.400000.0.raw.unpack, type: UNPACKEDPE Matched rule: Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) Author: ditekSHen
Source: 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY Matched rule: REMCOS_RAT_variants Author: unknown
Source: 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY Matched rule: Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) Author: ditekSHen
Source: 00000000.00000003.1237129019.0000000003051000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: Process Memory Space: 1vQ6RSHmz5.exe PID: 6664, type: MEMORYSTR Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Source: Process Memory Space: iexplore.exe PID: 6856, type: MEMORYSTR Matched rule: Windows_Trojan_Remcos_b296e965 Author: unknown
Contains functionality to call native functions
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00493BE3 CreateProcessW,NtUnmapViewOfSection,VirtualAllocEx,WriteProcessMemory,WriteProcessMemory,Wow64GetThreadContext,WriteProcessMemory,Wow64SetThreadContext,ResumeThread, 0_3_00493BE3
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00493BE3 CreateProcessW,NtUnmapViewOfSection,VirtualAllocEx,WriteProcessMemory,WriteProcessMemory,Wow64GetThreadContext,WriteProcessMemory,Wow64SetThreadContext,ResumeThread, 0_3_00493BE3
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0049397B CreateProcessW,NtUnmapViewOfSection,VirtualAllocEx,WriteProcessMemory,WriteProcessMemory,Wow64GetThreadContext,WriteProcessMemory,Wow64SetThreadContext,ResumeThread, 0_3_0049397B
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0049397B CreateProcessW,NtUnmapViewOfSection,VirtualAllocEx,WriteProcessMemory,WriteProcessMemory,Wow64GetThreadContext,WriteProcessMemory,Wow64SetThreadContext,ResumeThread, 0_3_0049397B
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00493BE3 CreateProcessW,NtUnmapViewOfSection,VirtualAllocEx,WriteProcessMemory,WriteProcessMemory,Wow64GetThreadContext,WriteProcessMemory,Wow64SetThreadContext,ResumeThread, 0_3_00493BE3
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00493BE3 CreateProcessW,NtUnmapViewOfSection,VirtualAllocEx,WriteProcessMemory,WriteProcessMemory,Wow64GetThreadContext,WriteProcessMemory,Wow64SetThreadContext,ResumeThread, 0_3_00493BE3
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0049397B CreateProcessW,NtUnmapViewOfSection,VirtualAllocEx,WriteProcessMemory,WriteProcessMemory,Wow64GetThreadContext,WriteProcessMemory,Wow64SetThreadContext,ResumeThread, 0_3_0049397B
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0049397B CreateProcessW,NtUnmapViewOfSection,VirtualAllocEx,WriteProcessMemory,WriteProcessMemory,Wow64GetThreadContext,WriteProcessMemory,Wow64SetThreadContext,ResumeThread, 0_3_0049397B
Contains functionality to shutdown / reboot the system
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_004167B4 ExitWindowsEx,LoadLibraryA,GetProcAddress, 2_2_004167B4
Detected potential crypto function
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00493BE3 0_3_00493BE3
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00493BE3 0_3_00493BE3
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00496A57 0_3_00496A57
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00496A57 0_3_00496A57
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0049397B 0_3_0049397B
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0049397B 0_3_0049397B
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00493BE3 0_3_00493BE3
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00493BE3 0_3_00493BE3
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00496A57 0_3_00496A57
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00496A57 0_3_00496A57
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0049397B 0_3_0049397B
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0049397B 0_3_0049397B
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0043E0CC 2_2_0043E0CC
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041F0FA 2_2_0041F0FA
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00454159 2_2_00454159
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00438168 2_2_00438168
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_004461F0 2_2_004461F0
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0043E2FB 2_2_0043E2FB
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0045332B 2_2_0045332B
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0042739D 2_2_0042739D
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_004374E6 2_2_004374E6
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0043E558 2_2_0043E558
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00438770 2_2_00438770
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_004378FE 2_2_004378FE
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00433946 2_2_00433946
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0044D9C9 2_2_0044D9C9
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00427A46 2_2_00427A46
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041DB62 2_2_0041DB62
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00427BAF 2_2_00427BAF
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00437D33 2_2_00437D33
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00435E5E 2_2_00435E5E
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00426E0E 2_2_00426E0E
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0043DE9D 2_2_0043DE9D
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00413FCA 2_2_00413FCA
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00436FEA 2_2_00436FEA
Found potential string decryption / allocating functions
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: String function: 00434E10 appears 54 times
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: String function: 00402093 appears 50 times
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: String function: 00434770 appears 41 times
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: String function: 00401E65 appears 34 times
Sample file is different than original file name gathered from version info
Source: 1vQ6RSHmz5.exe, 00000000.00000002.1240796321.0000000000405000.00000002.00000001.01000000.00000003.sdmp Binary or memory string: OriginalFilename30.exe vs 1vQ6RSHmz5.exe
Source: 1vQ6RSHmz5.exe Binary or memory string: OriginalFilename30.exe vs 1vQ6RSHmz5.exe
Uses 32bit PE files
Source: 1vQ6RSHmz5.exe Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE
Yara signature match
Source: 2.2.iexplore.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: 2.2.iexplore.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: 2.2.iexplore.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: 2.2.iexplore.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: 2.2.iexplore.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: 2.2.iexplore.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: 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.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: 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.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: 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.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: 00000000.00000003.1237129019.0000000003051000.00000004.00000020.00020000.00000000.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: 1vQ6RSHmz5.exe PID: 6664, 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: iexplore.exe PID: 6856, 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: 1vQ6RSHmz5.exe Binary or memory string: @*\AC:\Users\Pc\Desktop\va6lio\Project1.vbp
Source: 1vQ6RSHmz5.exe Binary or memory string: @@@*\AC:\Users\Pc\Desktop\va6lio\Project1.vbp`
Source: 1vQ6RSHmz5.exe, 00000000.00000002.1240782790.0000000000404000.00000004.00000001.01000000.00000003.sdmp Binary or memory string: @*\AC:\Users\Pc\Desktop\va6lio\Project1.vbp
Source: classification engine Classification label: mal100.rans.troj.spyw.expl.evad.winEXE@3/0@2/2
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00417952 GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueA,AdjustTokenPrivileges,GetLastError, 2_2_00417952
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040F474 GetModuleFileNameW,CreateToolhelp32Snapshot,Process32FirstW,Process32NextW,CloseHandle,CloseHandle, 2_2_0040F474
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041B4A8 FindResourceA,LoadResource,LockResource,SizeofResource, 2_2_0041B4A8
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041AA4A OpenSCManagerW,OpenServiceW,CloseServiceHandle,StartServiceW,CloseServiceHandle,CloseServiceHandle,CloseServiceHandle, 2_2_0041AA4A
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Mutant created: NULL
Source: 1vQ6RSHmz5.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: 1vQ6RSHmz5.exe Virustotal: Detection: 24%
Source: unknown Process created: C:\Users\user\Desktop\1vQ6RSHmz5.exe "C:\Users\user\Desktop\1vQ6RSHmz5.exe"
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Process created: C:\Program Files (x86)\Internet Explorer\iexplore.exe "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Process created: C:\Program Files (x86)\Internet Explorer\iexplore.exe "C:\Program Files (x86)\Internet Explorer\iexplore.exe" Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: msvbvm60.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: vb6zz.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: sxs.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: winhttpcom.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: winhttp.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: ondemandconnroutehelper.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: webio.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: mswsock.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: iphlpapi.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: winnsi.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2087c2f4-2cef-4953-a8ab-66779b670495}\InProcServer32 Jump to behavior
Contains functionality to dynamically determine API calls
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041CB50 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, 2_2_0041CB50
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0048FD78 push eax; retf 0046h 0_3_0048FD79
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0048FD78 push eax; retf 0046h 0_3_0048FD79
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00490FFC push eax; retf 0046h 0_3_00490FFD
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00490FFC push eax; retf 0046h 0_3_00490FFD
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0048FD78 push eax; retf 0046h 0_3_0048FD79
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_0048FD78 push eax; retf 0046h 0_3_0048FD79
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00490FFC push eax; retf 0046h 0_3_00490FFD
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00490FFC push eax; retf 0046h 0_3_00490FFD
Contains functionality to download and launch executables
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00406EB0 ShellExecuteW,URLDownloadToFileW, 2_2_00406EB0
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041AA4A OpenSCManagerW,OpenServiceW,CloseServiceHandle,StartServiceW,CloseServiceHandle,CloseServiceHandle,CloseServiceHandle, 2_2_0041AA4A
Extensive use of GetProcAddress (often used to hide API calls)
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041CB50 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, 2_2_0041CB50
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion
barindex
Delayed program exit found
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040F7A7 Sleep,ExitProcess, 2_2_0040F7A7
Contains functionality to enumerate running services
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: OpenSCManagerA,EnumServicesStatusW,GetLastError,EnumServicesStatusW,OpenServiceW,QueryServiceConfigW,GetLastError,QueryServiceConfigW,CloseServiceHandle,CloseServiceHandle, 2_2_0041A748
Found large amount of non-executed APIs
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe API coverage: 8.5 %
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe TID: 6540 Thread sleep time: -30000s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe TID: 6672 Thread sleep time: -30000s >= -30000s Jump to behavior
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00409253 __EH_prolog,__CxxThrowException@8,FindFirstFileW,FindNextFileW,FindClose,FindClose, 2_2_00409253
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041C291 FindFirstFileW,FindNextFileW,RemoveDirectoryW,SetFileAttributesW,DeleteFileW,GetLastError,FindClose,RemoveDirectoryW,FindClose, 2_2_0041C291
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040C34D FindFirstFileW,PathFileExistsW,FindNextFileW,FindClose,FindClose, 2_2_0040C34D
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00409665 __EH_prolog,FindFirstFileW,FindNextFileW,FindClose,FindClose, 2_2_00409665
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0044E879 FindFirstFileExA, 2_2_0044E879
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040880C __EH_prolog,FindFirstFileW,__CxxThrowException@8,FindNextFileW,FindClose, 2_2_0040880C
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040783C FindFirstFileW,FindNextFileW, 2_2_0040783C
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00419AF5 FindFirstFileW,FindNextFileW,FindNextFileW, 2_2_00419AF5
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040BB30 FindFirstFileA,FindClose,DeleteFileA,GetLastError,DeleteFileA,GetLastError,FindNextFileA,FindClose, 2_2_0040BB30
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0040BD37 FindFirstFileA,FindClose,DeleteFileA,GetLastError,FindNextFileA,FindClose,FindClose, 2_2_0040BD37
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00407C97 SetEvent,GetFileAttributesW,DeleteFileW,ShellExecuteW,GetLogicalDriveStringsA,SetFileAttributesW,DeleteFileA,Sleep,StrToIntA,CreateDirectoryW, 2_2_00407C97
Source: iexplore.exe, 00000002.00000002.2467244520.0000000000C4B000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAW%SystemRoot%\system32\mswsock.dllM
Source: 1vQ6RSHmz5.exe, 1vQ6RSHmz5.exe, 00000000.00000003.1239052882.000000000048B000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000002.1240900608.000000000045D000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000003.1239123601.000000000048D000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000002.1240979742.000000000048F000.00000004.00000020.00020000.00000000.sdmp, 1vQ6RSHmz5.exe, 00000000.00000003.1239052882.000000000045A000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAW
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe API call chain: ExitProcess graph end node
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_004349F9 IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 2_2_004349F9
Contains functionality to dynamically determine API calls
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041CB50 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, 2_2_0041CB50
Contains functionality to read the PEB
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_004432B5 mov eax, dword ptr fs:[00000030h] 2_2_004432B5
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00412077 GetProcessHeap,HeapFree, 2_2_00412077
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_004349F9 IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 2_2_004349F9
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00434B47 SetUnhandledExceptionFilter, 2_2_00434B47
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0043BB22 IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 2_2_0043BB22
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00434FDC SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 2_2_00434FDC

HIPS / PFW / Operating System Protection Evasion
barindex
Allocates memory in foreign processes
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Memory allocated: C:\Program Files (x86)\Internet Explorer\iexplore.exe base: 400000 protect: page execute and read and write Jump to behavior
Contains functionality to inject code into remote processes
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Code function: 0_3_00493BE3 CreateProcessW,NtUnmapViewOfSection,VirtualAllocEx,WriteProcessMemory,WriteProcessMemory,Wow64GetThreadContext,WriteProcessMemory,Wow64SetThreadContext,ResumeThread, 0_3_00493BE3
Injects a PE file into a foreign processes
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Memory written: C:\Program Files (x86)\Internet Explorer\iexplore.exe base: 400000 value starts with: 4D5A Jump to behavior
Sample uses process hollowing technique
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Section unmapped: C:\Program Files (x86)\Internet Explorer\iexplore.exe base address: 400000 Jump to behavior
Writes to foreign memory regions
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Memory written: C:\Program Files (x86)\Internet Explorer\iexplore.exe base: 400000 Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Memory written: C:\Program Files (x86)\Internet Explorer\iexplore.exe base: 401000 Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Memory written: C:\Program Files (x86)\Internet Explorer\iexplore.exe base: 459000 Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Memory written: C:\Program Files (x86)\Internet Explorer\iexplore.exe base: 471000 Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Memory written: C:\Program Files (x86)\Internet Explorer\iexplore.exe base: 477000 Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Memory written: C:\Program Files (x86)\Internet Explorer\iexplore.exe base: 478000 Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Memory written: C:\Program Files (x86)\Internet Explorer\iexplore.exe base: 479000 Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Memory written: C:\Program Files (x86)\Internet Explorer\iexplore.exe base: 47E000 Jump to behavior
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Memory written: C:\Program Files (x86)\Internet Explorer\iexplore.exe base: 9A7008 Jump to behavior
Contains functionality to enumerate process and check for explorer.exe or svchost.exe (often used for thread injection)
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: GetCurrentProcessId,OpenMutexA,CloseHandle,CreateThread,CloseHandle,Sleep,OpenProcess, svchost.exe 2_2_004120F7
Contains functionality to simulate mouse events
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00419627 mouse_event, 2_2_00419627
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\1vQ6RSHmz5.exe Process created: C:\Program Files (x86)\Internet Explorer\iexplore.exe "C:\Program Files (x86)\Internet Explorer\iexplore.exe" Jump to behavior
Contains functionality to query CPU information (cpuid)
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00434C52 cpuid 2_2_00434C52
Contains functionality to query locales information (e.g. system language)
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: EnumSystemLocalesW, 2_2_00452036
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: GetLocaleInfoW,GetLocaleInfoW,GetLocaleInfoW, 2_2_004520C3
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: GetLocaleInfoW, 2_2_00452313
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: EnumSystemLocalesW, 2_2_00448404
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: GetLocaleInfoW,GetLocaleInfoW,GetACP, 2_2_0045243C
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: GetLocaleInfoW, 2_2_00452543
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: GetUserDefaultLCID,IsValidCodePage,IsValidLocale,GetLocaleInfoW,GetLocaleInfoW, 2_2_00452610
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: GetLocaleInfoA, 2_2_0040F8D1
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: GetLocaleInfoW, 2_2_004488ED
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: IsValidCodePage,_wcschr,_wcschr,GetLocaleInfoW, 2_2_00451CD8
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: EnumSystemLocalesW, 2_2_00451F50
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: EnumSystemLocalesW, 2_2_00451F9B
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00404F51 GetLocalTime,CreateEventA,CreateThread, 2_2_00404F51
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_0041B60D GetUserNameW, 2_2_0041B60D
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: 2_2_00449190 _free,_free,_free,GetTimeZoneInformation,WideCharToMultiByte,WideCharToMultiByte,_free, 2_2_00449190

Stealing of Sensitive Information
barindex
Yara detected Remcos RAT
Source: Yara match File source: 2.2.iexplore.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.2.iexplore.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000002.00000002.2467244520.0000000000C4B000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.1237129019.0000000003051000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 1vQ6RSHmz5.exe PID: 6664, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: iexplore.exe PID: 6856, type: MEMORYSTR
Contains functionality to steal Chrome passwords or cookies
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: \AppData\Local\Google\Chrome\User Data\Default\Login Data 2_2_0040BA12
Contains functionality to steal Firefox passwords or cookies
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: \AppData\Roaming\Mozilla\Firefox\Profiles\ 2_2_0040BB30
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: \key3.db 2_2_0040BB30

Remote Access Functionality
barindex
Detected Remcos RAT
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Mutex created: \Sessions\1\BaseNamedObjects\Rmc-1VT363 Jump to behavior
Yara detected Remcos RAT
Source: Yara match File source: 2.2.iexplore.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.2.iexplore.exe.400000.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000002.00000002.2467244520.0000000000C4B000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2465257129.0000000000400000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.1237129019.0000000003051000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 1vQ6RSHmz5.exe PID: 6664, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: iexplore.exe PID: 6856, type: MEMORYSTR
Contains functionality to launch a control a shell (cmd.exe)
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe Code function: cmd.exe 2_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: 1465913 Sample: 1vQ6RSHmz5.exe Startdate: 02/07/2024 Architecture: WINDOWS Score: 100 15 narutochwan.duckdns.org 2->15 21 Found malware configuration 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Antivirus detection for URL or domain 2->25 29 13 other signatures 2->29 7 1vQ6RSHmz5.exe 2->7         started        signatures3 27 Uses dynamic DNS services 15->27 process4 dnsIp5 17 176.223.134.190, 49699, 80 RACKRAYUABRakrejusLT Lithuania 7->17 31 Contains functionality to inject code into remote processes 7->31 33 Writes to foreign memory regions 7->33 35 Allocates memory in foreign processes 7->35 37 2 other signatures 7->37 11 iexplore.exe 3 7->11         started        signatures6 process7 dnsIp8 19 narutochwan.duckdns.org 91.92.242.76, 2200, 49700, 49707 THEZONEBG Bulgaria 11->19 39 Detected Remcos RAT 11->39 signatures9
  • 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
176.223.134.190
 unknown Lithuania
62282 RACKRAYUABRakrejusLT false
91.92.242.76
 narutochwan.duckdns.org Bulgaria
34368 THEZONEBG true

Contacted Domains

Name IP Active
narutochwan.duckdns.org 91.92.242.76 true

Contacted URLs

Name Malicious Antivirus Detection Reputation
narutochwan.duckdns.org true
  • 1%, Virustotal, Browse
  • Avira URL Cloud: malware
 unknown