General

  • Target
    b8d211c9f6747ce255603d94639ee57934c3993e18cd707fbfbd5826080219db
  • Size 6.8MB
  • Sample260815-pewfmswarc
  • SHA256 b8d211c9f6747ce255603d94639ee57934c3993e18cd707fbfbd5826080219db
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      insoft_v10.0.15.exe
    • Size 35.0MB
    • SHA256 92d5d165b264672e4822929b536ad5d7e691e44e1ec5a275837cf5e0f09d2676
    • 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