General

  • Target
    501859cf304469b0c71daae536866f6b8b3a37c4d20a72a72bc21a356712a4e9
  • Size 2.8MB
  • Sample260820-kmvrvsshne
  • SHA256 501859cf304469b0c71daae536866f6b8b3a37c4d20a72a72bc21a356712a4e9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      install_v3.1.0.16.exe
    • Size 35.0MB
    • SHA256 a6ee826cc8864e91dd03e01bc768449f2eba3a9952d4d4ba88776a74e1a01d2e
    • 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