General

  • Target

    FullOptionFivemFree2024NEW.exe

  • Size

    3.9MB

  • Sample

    241116-r3mjraskhr

  • MD5

    679df4417fc2227844b44878d7de7743

  • SHA1

    d21a53d46aef380de82f584c5ab0a6fe83f52163

  • SHA256

    795936e455d9816df8dc97b8d2653c711a9084dd887dcc6ae857f11493b1b270

  • SHA512

    e1a13722728c1b8d3b8518b7467dedeb4b74fcd8a011a8429e7203490ccf9d3ec3396e127b9b16a78ea2935cf1110d7a57d1c52aed368e94f3223496fe24f0c6

  • SSDEEP

    98304:O+/27mY8Whua/AOQtRWxNRNXqsSCWQmL3Ah/iw:OaYua/ANeXNXcQRZ

Malware Config

Extracted

Family

xworm

C2

45.141.26.194:7000

Attributes
  • Install_directory

    %ProgramData%

Targets

    • Target

      FullOptionFivemFree2024NEW.exe

    • Size

      3.9MB

    • MD5

      679df4417fc2227844b44878d7de7743

    • SHA1

      d21a53d46aef380de82f584c5ab0a6fe83f52163

    • SHA256

      795936e455d9816df8dc97b8d2653c711a9084dd887dcc6ae857f11493b1b270

    • SHA512

      e1a13722728c1b8d3b8518b7467dedeb4b74fcd8a011a8429e7203490ccf9d3ec3396e127b9b16a78ea2935cf1110d7a57d1c52aed368e94f3223496fe24f0c6

    • SSDEEP

      98304:O+/27mY8Whua/AOQtRWxNRNXqsSCWQmL3Ah/iw:OaYua/ANeXNXcQRZ

    • 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.

    • Downloads MZ/PE file

    • 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.

    • 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