General

  • Target
    e9ed433a3d2b4d3e1a1e1dca910263bd_JaffaCakes118
  • Size 548KB
  • Sample240409-n2dnnsec62
  • SHA256 52a7437f9b9c21de2a389039153bc1fa8ac36fdf3be75105dec854a2c8b7a7d0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      e9ed433a3d2b4d3e1a1e1dca910263bd_JaffaCakes118
    • Size 548KB
    • SHA256 52a7437f9b9c21de2a389039153bc1fa8ac36fdf3be75105dec854a2c8b7a7d0
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies WinLogon for persistence

    • UAC bypass

    • Adds policy Run key to start application

    • Disables RegEdit via registry modification

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks