General

  • Target

    3df2a3b39c12c6589480db6c3d54770a45435c4af606528041033d65664f5dd8

  • Size

    190KB

  • Sample

    221123-lkmtxabf32

  • MD5

    c862cf464afb74d9e513fa73b5fbbbcc

  • SHA1

    08ebd649d70431ebc635dc4d0a1cb1fd1df0a50f

  • SHA256

    3df2a3b39c12c6589480db6c3d54770a45435c4af606528041033d65664f5dd8

  • SHA512

    dee2a544f1b18106e172582abb51545c66690632490845514df93bb2cc9b20b8a6a0e95c3ca1758d76c6a62eaf7c2e2249c87a73e28013288f9d1b907d66e167

  • SSDEEP

    3072:WgXdZt9P6D3XJXUJjzmb3GIOPOZFCmoYzHSVGrCvZu1/hdiCqKryyR2CSQvLR0g:We34ZU1zmDGIWkFjEZujdi9j5CSwLR0g

Malware Config

Targets

    • Target

      3df2a3b39c12c6589480db6c3d54770a45435c4af606528041033d65664f5dd8

    • Size

      190KB

    • MD5

      c862cf464afb74d9e513fa73b5fbbbcc

    • SHA1

      08ebd649d70431ebc635dc4d0a1cb1fd1df0a50f

    • SHA256

      3df2a3b39c12c6589480db6c3d54770a45435c4af606528041033d65664f5dd8

    • SHA512

      dee2a544f1b18106e172582abb51545c66690632490845514df93bb2cc9b20b8a6a0e95c3ca1758d76c6a62eaf7c2e2249c87a73e28013288f9d1b907d66e167

    • SSDEEP

      3072:WgXdZt9P6D3XJXUJjzmb3GIOPOZFCmoYzHSVGrCvZu1/hdiCqKryyR2CSQvLR0g:We34ZU1zmDGIWkFjEZujdi9j5CSwLR0g

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks