General

  • Target

    73307ffef0ce79499a591216f57040d866fa5d006e7a013e0aac011ee495217e

  • Size

    171KB

  • Sample

    221123-m6ek4afh76

  • MD5

    9cfb7d508bccc471a2052c4c385881bf

  • SHA1

    67d6def97dbd7c688bda531a62cfb8d6f52776db

  • SHA256

    73307ffef0ce79499a591216f57040d866fa5d006e7a013e0aac011ee495217e

  • SHA512

    2538eee5b3b7a72b411dc7991ba3077234fe7288af9d0799a627c361450539e35e5314d2a8d2112cc152490d9e3a1031d168a0a9c545b75bb6f7829d769cfbec

  • SSDEEP

    3072:RLk395hYXJ0OnZ77j2NZkMBpwkuyKZl3z0jIm48RRa6Xt7RDeWb6uDMdzw+fRY:RQq+Y98ZNLt00MvER3t7UWbFMzfK

Malware Config

Targets

    • Target

      73307ffef0ce79499a591216f57040d866fa5d006e7a013e0aac011ee495217e

    • Size

      171KB

    • MD5

      9cfb7d508bccc471a2052c4c385881bf

    • SHA1

      67d6def97dbd7c688bda531a62cfb8d6f52776db

    • SHA256

      73307ffef0ce79499a591216f57040d866fa5d006e7a013e0aac011ee495217e

    • SHA512

      2538eee5b3b7a72b411dc7991ba3077234fe7288af9d0799a627c361450539e35e5314d2a8d2112cc152490d9e3a1031d168a0a9c545b75bb6f7829d769cfbec

    • SSDEEP

      3072:RLk395hYXJ0OnZ77j2NZkMBpwkuyKZl3z0jIm48RRa6Xt7RDeWb6uDMdzw+fRY:RQq+Y98ZNLt00MvER3t7UWbFMzfK

    • 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