General

  • Target

    2024-09-19_b2bc9aa586a128967d718492d64d88cf_ryuk

  • Size

    5.4MB

  • Sample

    240919-gnxfastfkh

  • MD5

    b2bc9aa586a128967d718492d64d88cf

  • SHA1

    91e685e3206178afe17bca4aaa0c960dd9770351

  • SHA256

    13418765c7d1c755e47aec453e9836b9dca0e9ef904043b63d4042bdcbf81757

  • SHA512

    8d04697add4615d26589266692f7e1c8243dbaa605b0c6874b33f0c8c80ba7fcbab508fc5f4d23d1be7947a898bb0fce346d7c0b98bb8ae28c785784b8355cc3

  • SSDEEP

    98304:VjD5l5T/7VzSFGKVupb+q8ugzgss4mKmphIY+k37AoZCLSnee/3PWcFcKpsdiXLu:VjD7F/xzVgzgsYKmphxjZySj/3OcF9OH

Malware Config

Targets

    • Target

      2024-09-19_b2bc9aa586a128967d718492d64d88cf_ryuk

    • Size

      5.4MB

    • MD5

      b2bc9aa586a128967d718492d64d88cf

    • SHA1

      91e685e3206178afe17bca4aaa0c960dd9770351

    • SHA256

      13418765c7d1c755e47aec453e9836b9dca0e9ef904043b63d4042bdcbf81757

    • SHA512

      8d04697add4615d26589266692f7e1c8243dbaa605b0c6874b33f0c8c80ba7fcbab508fc5f4d23d1be7947a898bb0fce346d7c0b98bb8ae28c785784b8355cc3

    • SSDEEP

      98304:VjD5l5T/7VzSFGKVupb+q8ugzgss4mKmphIY+k37AoZCLSnee/3PWcFcKpsdiXLu:VjD7F/xzVgzgsYKmphxjZySj/3OcF9OH

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks