Resubmissions

26/05/2024, 03:32

240526-d3yp5aea8610

22/05/2024, 22:59

240522-2yrb9acc8310

22/05/2024, 22:58

240522-2x3c5acc581

22/05/2024, 22:30

240522-2e7vwsbd995

General

  • Target
    https://ryosx.cc
  • Sample240522-2yrb9acc83

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