General

  • Target

    03ba0bdb8b3d89a7ba0400ad7707b897955c8f3cb87cdac8ab8f7f26c25495d0

  • Size

    87KB

  • Sample

    241202-g63d9stkez

  • MD5

    c3b98d027673abcff4a1c5bfdf78d07f

  • SHA1

    952ff4650570e307624d16bd91718d56443a0516

  • SHA256

    03ba0bdb8b3d89a7ba0400ad7707b897955c8f3cb87cdac8ab8f7f26c25495d0

  • SHA512

    d12f63f3ee3eec3a86f5f2307dfd0bdc932256484ba3e0c5722f9f57c94c3b5b88a640ff7d384ef3546ebcf3bd65fb38222c3a9574a273cc42cfa26d1f5cfcf7

  • SSDEEP

    1536:sKep8jn+TFRGVBDWmZSqV9ZE5be8SFh1lX96eKSvocOMcNeXdv1:pznUKOhbeHZzgcOMcIN1

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7000

Attributes
  • Install_directory

    %Temp%

  • install_file

    XClient.exe

Targets

    • Target

      03ba0bdb8b3d89a7ba0400ad7707b897955c8f3cb87cdac8ab8f7f26c25495d0

    • Size

      87KB

    • MD5

      c3b98d027673abcff4a1c5bfdf78d07f

    • SHA1

      952ff4650570e307624d16bd91718d56443a0516

    • SHA256

      03ba0bdb8b3d89a7ba0400ad7707b897955c8f3cb87cdac8ab8f7f26c25495d0

    • SHA512

      d12f63f3ee3eec3a86f5f2307dfd0bdc932256484ba3e0c5722f9f57c94c3b5b88a640ff7d384ef3546ebcf3bd65fb38222c3a9574a273cc42cfa26d1f5cfcf7

    • SSDEEP

      1536:sKep8jn+TFRGVBDWmZSqV9ZE5be8SFh1lX96eKSvocOMcNeXdv1:pznUKOhbeHZzgcOMcIN1

    • 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 v15

Tasks