General

  • Target

    373b78290a55c0a23499cc41f0d7603ffa0e679cf5d435e1dc1250d647978c55

  • Size

    1.2MB

  • Sample

    250207-z33jzayrhm

  • MD5

    831a358624c2caa1969311473d2fd9cf

  • SHA1

    e0152e5b05fa5141a1e3cc4cf94e230daf9c9b85

  • SHA256

    373b78290a55c0a23499cc41f0d7603ffa0e679cf5d435e1dc1250d647978c55

  • SHA512

    84d31bfa274f853b78a0c2e007bcc2014bd16bfe6efbf5fcf96499cf20bf1fa5d24ca6c3761fc0e46bd82d0da593e43783845069435a6d039e9fa2da7db0f6ac

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtir:WIwgMEuy+inDfp3/XoCw57XYBwKr

Malware Config

Targets

    • Target

      373b78290a55c0a23499cc41f0d7603ffa0e679cf5d435e1dc1250d647978c55

    • Size

      1.2MB

    • MD5

      831a358624c2caa1969311473d2fd9cf

    • SHA1

      e0152e5b05fa5141a1e3cc4cf94e230daf9c9b85

    • SHA256

      373b78290a55c0a23499cc41f0d7603ffa0e679cf5d435e1dc1250d647978c55

    • SHA512

      84d31bfa274f853b78a0c2e007bcc2014bd16bfe6efbf5fcf96499cf20bf1fa5d24ca6c3761fc0e46bd82d0da593e43783845069435a6d039e9fa2da7db0f6ac

    • SSDEEP

      24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtir:WIwgMEuy+inDfp3/XoCw57XYBwKr

    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    • Gh0strat family

    • PurpleFox

      PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

    • Purplefox family

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Server Software Component: Terminal Services DLL

    • Sets service image path in registry

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Adds Run key to start application

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks