General

  • Target
    c692120bf9629a8bc60e8501d7b250eaa463306249659a5190817e74826beaab
  • Size 4.3MB
  • Sample260805-e3vtxavydw
  • SHA256 c692120bf9629a8bc60e8501d7b250eaa463306249659a5190817e74826beaab
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      setup_r8015.exe
    • Size 40.9MB
    • SHA256 44fc6134dc822eee906e508e9b8b46488eabc271a730e421dad9e9ff8a13577c
    • 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