General

  • Target
    834f598a83c8dab5fe863dc1438ee04bbfd8d57fe6bf08465c3464f019edded2
  • Size 2.8MB
  • Sample260825-d16myssvbz
  • SHA256 834f598a83c8dab5fe863dc1438ee04bbfd8d57fe6bf08465c3464f019edded2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      install_h8.0.05.exe
    • Size 28.9MB
    • SHA256 8a3edbe1188e608191c2e480f6646e23d4c7db65ff514d592af42c1f9d76c5b6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks