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250406-wp71ravwbt8

General

  • Target
    https://learn.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes
  • Sample250406-wp71ravwbt

Malware Config

Targets

    • Target
      https://learn.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes
    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Disables RegEdit via registry modification

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • 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

    • Enumerates connected drives

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

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v15

Tasks