General

  • Target

    https://drive.google.com/drive/u/1/folders/1tmCnJHmuxm0L62nKTpv73t0F9Lnn1x6u

  • Sample

    241028-dz6lkaxjck

Malware Config

Targets

    • Target

      https://drive.google.com/drive/u/1/folders/1tmCnJHmuxm0L62nKTpv73t0F9Lnn1x6u

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

    • Downloads MZ/PE file

    • 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.

    • Executes dropped EXE

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks