General

  • Target

    2024-10-09_04d0fbb14be00f41490c0289e5d23f09_bkransomware

  • Size

    6.7MB

  • Sample

    241009-xd6tzs1gjp

  • MD5

    04d0fbb14be00f41490c0289e5d23f09

  • SHA1

    6ea386c84083e608842936b1cf4509e8d218b4d1

  • SHA256

    dfcf41d378765140cc953070c0682e9f7c4f68ae00db0072310470305d6d4b86

  • SHA512

    6d10b0bde65eb04b491bb7079006de88ffc6b7f3edcb489fc5a36ed0f19388513ff62a94bffb024f03217639841c815274599f62ac05767c47caa4a4e8b08702

  • SSDEEP

    98304:ebeOZZ2NueHJo3AHTL2/ivGWHXch1w1iR6ER+QtpKhj1VFnxARWuCUlIVY:ebeOQr/W/i+WHXcbsGtpKN7buCUlD

Malware Config

Targets

    • Target

      2024-10-09_04d0fbb14be00f41490c0289e5d23f09_bkransomware

    • Size

      6.7MB

    • MD5

      04d0fbb14be00f41490c0289e5d23f09

    • SHA1

      6ea386c84083e608842936b1cf4509e8d218b4d1

    • SHA256

      dfcf41d378765140cc953070c0682e9f7c4f68ae00db0072310470305d6d4b86

    • SHA512

      6d10b0bde65eb04b491bb7079006de88ffc6b7f3edcb489fc5a36ed0f19388513ff62a94bffb024f03217639841c815274599f62ac05767c47caa4a4e8b08702

    • SSDEEP

      98304:ebeOZZ2NueHJo3AHTL2/ivGWHXch1w1iR6ER+QtpKhj1VFnxARWuCUlIVY:ebeOQr/W/i+WHXcbsGtpKN7buCUlD

    • 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