General

  • Target
    6ba0f021a0072fc15a6cc35cbece9d6d90d20c892c43c5bf23f417ee8051f640
  • Size 5.4MB
  • Sample260805-c3scnscc33
  • SHA256 6ba0f021a0072fc15a6cc35cbece9d6d90d20c892c43c5bf23f417ee8051f640
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      inst_smt008.exe
    • Size 55.2MB
    • SHA256 832f507752f98f4566af50bef575c6ecd6931d2b0cf7d668c644b6ea4dda224f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

    • Possible privilege escalation attempt

    • Checks computer location settings

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

    • Disables service(s)

    • 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