Resubmissions

26-05-2024 03:32

240526-d3yp5aea86 10

22-05-2024 22:59

240522-2yrb9acc83 10

22-05-2024 22:58

240522-2x3c5acc58 1

22-05-2024 22:30

240522-2e7vwsbd99 5

General

  • Target

    https://ryosx.cc

  • Sample

    240522-2yrb9acc83

Malware Config

Targets

    • Target

      https://ryosx.cc

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Checks system information in the registry

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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks