General

  • Target
    d53fbabae0eae53204fb4536ffee7137968b5f4a08dd0c79a2992e620909353b
  • Size 7.9MB
  • Sample240805-e1nmta1bjf
  • SHA256 d53fbabae0eae53204fb4536ffee7137968b5f4a08dd0c79a2992e620909353b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • jajaovh.duckdns.org:1605

Attributes
  • Install_directory

    %Temp%

  • install_file

    USB.exe

Targets

    • Target
      512ff74ca594632b7c8469ed3a997a38bd91730fe0b35008737dd7d02cb2d0ec.exe
    • Size 8.0MB
    • SHA256 512ff74ca594632b7c8469ed3a997a38bd91730fe0b35008737dd7d02cb2d0ec
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks