General

  • Target

    https://gofile.io/d/mYbxF8

  • Sample

    241114-b63r5ssjd1

Malware Config

Targets

    • Cerber

      Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.

    • Cerber family

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

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Checks system information in the registry

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks