General

  • Target
    WindowsDefenderFirewall.exe
  • Size 64KB
  • Sample260331-dkymeac12r
  • SHA256 41951102ff9f6c40141a3a31fc3211d0fa731b878b6bcd7fef2865eb693b8f87
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • jvuqdwzk.aamothership.com:9001

Mutex
  • YEN96ZJAR4pA2gVz

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Windows Defender Firewall.exe

  • telegram

    https://api.telegram.org/bot8453982917:AAHEGmjhkpRRkkoKWDgOspiT-iVG0sa-vMI/sendMessage?chat_id=8798292283

aes.plain

Targets

    • Target
      WindowsDefenderFirewall.exe
    • Size 64KB
    • SHA256 41951102ff9f6c40141a3a31fc3211d0fa731b878b6bcd7fef2865eb693b8f87
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • 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

    • 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 v16

Tasks