General

  • Target
    XClient.exe
  • Size 56KB
  • Sample240605-s9554sca88
  • SHA256 58c749a1a703be49dbb1b304a986e53fc85e90a19e11320fb1350d3d15ced085
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    XClient.exe

  • pastebin_url

    https://pastebin.com/raw/DKqen16V

Targets

    • Target
      XClient.exe
    • Size 56KB
    • SHA256 58c749a1a703be49dbb1b304a986e53fc85e90a19e11320fb1350d3d15ced085
    • 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