General

  • Target
    8c509b3a1fe1914bf639ff1964a3255be4e5d366c38d6ae8e70a95b5ca0c180f
  • Size 6.8MB
  • Sample260815-2cfnmaaa48
  • SHA256 8c509b3a1fe1914bf639ff1964a3255be4e5d366c38d6ae8e70a95b5ca0c180f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      insoft_v10.0.18.exe
    • Size 35.0MB
    • SHA256 a98e075fac7f08df104ee895d41bb790b4ca031c381794d3ffb6951302ab246a
    • 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

MITRE ATT&CK Enterprise v16

Tasks