General

  • Target

    173fdfcee5093a0efb0b4acedcd73688514c997177e7ccb18f338236252da6f4.exe

  • Size

    1.2MB

  • Sample

    230405-m639fsgb4t

  • MD5

    8be3c0dad523ecf5d6d7324637683b55

  • SHA1

    72737a7be13571fc532567460950a231c5f199a5

  • SHA256

    173fdfcee5093a0efb0b4acedcd73688514c997177e7ccb18f338236252da6f4

  • SHA512

    7b5fe5d28c20cf17fc5e79be5ec10fd725c8b4221491a5fe646be2442e3d958e84dd0cbccf45f9c4736607b9e177a717200d393760688142b07fef14ef575235

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtij:WIwgMEuy+inDfp3/XoCw57XYBwKj

Malware Config

Targets

    • Target

      173fdfcee5093a0efb0b4acedcd73688514c997177e7ccb18f338236252da6f4.exe

    • Size

      1.2MB

    • MD5

      8be3c0dad523ecf5d6d7324637683b55

    • SHA1

      72737a7be13571fc532567460950a231c5f199a5

    • SHA256

      173fdfcee5093a0efb0b4acedcd73688514c997177e7ccb18f338236252da6f4

    • SHA512

      7b5fe5d28c20cf17fc5e79be5ec10fd725c8b4221491a5fe646be2442e3d958e84dd0cbccf45f9c4736607b9e177a717200d393760688142b07fef14ef575235

    • SSDEEP

      24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtij:WIwgMEuy+inDfp3/XoCw57XYBwKj

    • 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.

    • PurpleFox

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

    • Drops file in Drivers directory

    • Sets DLL path for service in the registry

    • 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

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

3
T1060

Defense Evasion

Modify Registry

3
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Tasks