General

  • Target

    XClient.exe

  • Size

    87KB

  • Sample

    231125-d1y8wagc92

  • MD5

    fb6fc71889505f65d456dfef51fa6edd

  • SHA1

    fb45965602ad7302a7d332b0e5591fef2c381728

  • SHA256

    b570509782a8a9d753dc081dcf03180e02c05d0032c81a65c49c680e5c1f461e

  • SHA512

    31ac0f576c003fe8450c2a2fbafe194e213bf6ace4e48edf6cc0d2ffc02e33526ee3febab9a30215ee2fd11abfbf359a7627c32b34e33bd04f6547b50546d74f

  • SSDEEP

    1536:VqtkaIA6pVzetS7LEeQqSAlypsWbeCGZVSuIBs2Ij+6gXiSpwOGmr8H:VqSzzeEE13beJVSBsvjapwOlri

Malware Config

Extracted

Family

xworm

C2

192.168.1.12:45689

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      XClient.exe

    • Size

      87KB

    • MD5

      fb6fc71889505f65d456dfef51fa6edd

    • SHA1

      fb45965602ad7302a7d332b0e5591fef2c381728

    • SHA256

      b570509782a8a9d753dc081dcf03180e02c05d0032c81a65c49c680e5c1f461e

    • SHA512

      31ac0f576c003fe8450c2a2fbafe194e213bf6ace4e48edf6cc0d2ffc02e33526ee3febab9a30215ee2fd11abfbf359a7627c32b34e33bd04f6547b50546d74f

    • SSDEEP

      1536:VqtkaIA6pVzetS7LEeQqSAlypsWbeCGZVSuIBs2Ij+6gXiSpwOGmr8H:VqSzzeEE13beJVSBsvjapwOlri

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • 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