General

  • Target

    http://nodejs.org

  • Sample

    241118-w5rzgaslay

Malware Config

Extracted

Family

xworm

C2

completed-rally.gl.at.ply.gg:28996

man-laughing.gl.at.ply.gg:57783

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    Windows Data Compiler.exe

Extracted

Family

xworm

Version

5.0

C2

shoes-since.gl.at.ply.gg:49960

george-liechtenstein.gl.at.ply.gg:2030

Mutex

XnVPNFvj6qHEv6EY

Attributes
  • Install_directory

    %AppData%

  • install_file

    WindowsAntivirus.exe

aes.plain
aes.plain

Targets

    • Target

      http://nodejs.org

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Hide Artifacts: Hidden Window

      Windows that would typically be displayed when an application carries out an operation can be hidden.

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks