General

  • Target
    XClient.exe
  • Size 71KB
  • Sample240604-tbkxyscf65
  • SHA256 8e6a1ef0257f98ada6c7eb9425d0211dced8368795613771998bd3bd510ac1e1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • 3.0

C2
  • ayumi-27013.portmap.host:27013

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Targets

    • Target
      XClient.exe
    • Size 71KB
    • SHA256 8e6a1ef0257f98ada6c7eb9425d0211dced8368795613771998bd3bd510ac1e1
    • 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

    • 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