General

  • Target
    XClient.exe
  • Size 238KB
  • Sample240528-llb4ssfd27
  • SHA256 ea4f53c53702abac24804d4cc21275147b4534e2d243fd5b040c056161b4f59b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 0.tcp.eu.ngrok.io:14859

Attributes
  • Install_directory

    %AppData%

  • install_file

    svhost.exe

Targets

    • Target
      XClient.exe
    • Size 238KB
    • SHA256 ea4f53c53702abac24804d4cc21275147b4534e2d243fd5b040c056161b4f59b
    • 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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • 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