General

  • Target

    txt.txt.txt

  • Size

    6B

  • Sample

    241112-t49f1sxajf

  • MD5

    05d163a09b2570905a0ee8f9fb43bd23

  • SHA1

    1edd114d38d279a787c5ea863b0ba23fd9bed1ab

  • SHA256

    e8a897ce923b1aeb439a86c5eb903aa82a856936dcd36c63d5574658cc3454fb

  • SHA512

    1077c840623f1fb8362c5aac75b6b1c998118c896f3e2a134b5630b85a839d62c65310553112da7ccc398da47ec4666879030f68e1887953e94088a720a58072

Malware Config

Targets

    • Target

      txt.txt.txt

    • Size

      6B

    • MD5

      05d163a09b2570905a0ee8f9fb43bd23

    • SHA1

      1edd114d38d279a787c5ea863b0ba23fd9bed1ab

    • SHA256

      e8a897ce923b1aeb439a86c5eb903aa82a856936dcd36c63d5574658cc3454fb

    • SHA512

      1077c840623f1fb8362c5aac75b6b1c998118c896f3e2a134b5630b85a839d62c65310553112da7ccc398da47ec4666879030f68e1887953e94088a720a58072

    • Boot or Logon Autostart Execution: Active Setup

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

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • A potential corporate email address has been identified in the URL: [email protected]

    • Checks computer location settings

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

    • 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

    • 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