General

  • Target

    583df026cb00262ddb8bbe49d7bf22112113a5207b9797d11a2654c8aa7924e6

  • Size

    102KB

  • Sample

    241122-aafr3awnar

  • MD5

    15d7a58db8aa9950ce53375b2fde5f72

  • SHA1

    a403f7ab69cf2d13cb54f37caa53a69b29815813

  • SHA256

    583df026cb00262ddb8bbe49d7bf22112113a5207b9797d11a2654c8aa7924e6

  • SHA512

    adedfeb38a0c271719214ba7f849867f369567238c8c47679f8a322877de5ad6f18027d73df38e526da05cd0d667cf9ba7af124c8228b5335631f30a2026ae00

  • SSDEEP

    3072:n+AbTnyDZW7Dd4sKmrqwNdYcILP4k3O1uo:TPyNaxKcb2LP4k3O

Malware Config

Extracted

Family

xworm

C2

192.168.100.13:7000

Attributes
  • Install_directory

    %AppData%

  • install_file

    RuntimeBroker.exe

Targets

    • Target

      583df026cb00262ddb8bbe49d7bf22112113a5207b9797d11a2654c8aa7924e6

    • Size

      102KB

    • MD5

      15d7a58db8aa9950ce53375b2fde5f72

    • SHA1

      a403f7ab69cf2d13cb54f37caa53a69b29815813

    • SHA256

      583df026cb00262ddb8bbe49d7bf22112113a5207b9797d11a2654c8aa7924e6

    • SHA512

      adedfeb38a0c271719214ba7f849867f369567238c8c47679f8a322877de5ad6f18027d73df38e526da05cd0d667cf9ba7af124c8228b5335631f30a2026ae00

    • SSDEEP

      3072:n+AbTnyDZW7Dd4sKmrqwNdYcILP4k3O1uo:TPyNaxKcb2LP4k3O

    • 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

MITRE ATT&CK Enterprise v15

Tasks