Resubmissions

22/11/2023, 12:29

231122-pn8sbsda3w 10

22/11/2023, 12:03

231122-n8cd7acg71 10

General

  • Target

    https://www.peoplecert.org/exams-peoplecert-online-proctoring-windows

  • Sample

    231122-pn8sbsda3w

Malware Config

Targets

    • Target

      https://www.peoplecert.org/exams-peoplecert-online-proctoring-windows

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Async RAT payload

    • 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

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks