Resubmissions

21/02/2024, 21:53

240221-1rvknafh2x 8

21/02/2024, 21:53

240221-1rq78sgc82 1

21/02/2024, 21:52

240221-1q99qagc77 1

21/02/2024, 21:50

240221-1p3s9agc63 1

21/02/2024, 21:46

240221-1m49asfg7t 1

General

  • Target

    http://roblox.com

  • Sample

    240221-1rvknafh2x

Malware Config

Targets

    • Target

      http://roblox.com

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks