Resubmissions

04/04/2025, 20:31

250404-zat25atwe1 8

04/04/2025, 20:03

250404-ysr5tatsgx 10

04/04/2025, 19:27

250404-x569tssxf1 8

04/04/2025, 18:57

250404-xlwzravms2 8

04/04/2025, 18:28

250404-w4rbjsvjw6 8

04/04/2025, 17:58

250404-wj5nfa1zbv 8

04/04/2025, 17:35

250404-v6d9bstnw3 8

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250404-vlttaa1tfw 10

04/04/2025, 16:24

250404-twm8tazzby 8

04/04/2025, 15:54

250404-tb9lbazwbz 10

General

  • Target

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

  • Sample

    250402-xrj75s11h1

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.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

    • Reads user/profile data of web browsers

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

    • 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.

    • Indicator Removal: Clear Persistence

      remove IFEO.

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

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v15

Tasks