General

  • Target
    2024-11-03_d9a7b282270c8acb56130343561d0ab0_bkransomware
  • Size 6.5MB
  • Sample241103-x8m1csscle
  • SHA256 67ac29186d79846db7835c88b98e17d03a5ccb61a898da37bee269bcae1f8261
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      2024-11-03_d9a7b282270c8acb56130343561d0ab0_bkransomware
    • Size 6.5MB
    • SHA256 67ac29186d79846db7835c88b98e17d03a5ccb61a898da37bee269bcae1f8261
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies Windows Defender Real-time Protection settings

    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Indirect Command Execution

      Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

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

    • Drops Chrome extension

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks