General

  • Target
    rSO0105-PI-514124SO0105,702(CFS-CY)FIRSYD.scr.exe
  • Size 560KB
  • Sample240711-mbc4sasclk
  • SHA256 18c4dbab80d7e5adef5c28a522232b6f4b0e47ceba4e37ec1f7e2b17495f9c64
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 104.250.180.178:7061

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target
      rSO0105-PI-514124SO0105,702(CFS-CY)FIRSYD.scr.exe
    • Size 560KB
    • SHA256 18c4dbab80d7e5adef5c28a522232b6f4b0e47ceba4e37ec1f7e2b17495f9c64
    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks