General

  • Target

    Assist-win-Setup.exe

  • Size

    18.9MB

  • Sample

    241107-1c8tqsykay

  • MD5

    ad82c45b85eb505d487a170c767765df

  • SHA1

    cd341460c5e348ac4129b74e7f3b66c04919629c

  • SHA256

    aa23c1f9140207af1cc00b8fc786c628758ed88f0ab7292c558f160efe5500dd

  • SHA512

    4bf0f67be348b6ed872dde6abb641906ac42cb88e87a1b1e5d2afb6c9de3a640569260f8b75955aea5e6c6d9200b58ba4515fcbf0fbc8c51e5503fae70dd0d07

  • SSDEEP

    393216:/8flUO+/aokj2bdvNw9Bm9aIhNq9KoiPT1I8Coyhd8owBlCsjtkLZc:/8yK2yI0KnPT1sdtDZc

Malware Config

Targets

    • Target

      Assist-win-Setup.exe

    • Size

      18.9MB

    • MD5

      ad82c45b85eb505d487a170c767765df

    • SHA1

      cd341460c5e348ac4129b74e7f3b66c04919629c

    • SHA256

      aa23c1f9140207af1cc00b8fc786c628758ed88f0ab7292c558f160efe5500dd

    • SHA512

      4bf0f67be348b6ed872dde6abb641906ac42cb88e87a1b1e5d2afb6c9de3a640569260f8b75955aea5e6c6d9200b58ba4515fcbf0fbc8c51e5503fae70dd0d07

    • SSDEEP

      393216:/8flUO+/aokj2bdvNw9Bm9aIhNq9KoiPT1I8Coyhd8owBlCsjtkLZc:/8yK2yI0KnPT1sdtDZc

    • 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.

    • 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

MITRE ATT&CK Enterprise v15

Tasks