Resubmissions

19-10-2024 00:35

241019-axkpjaycmr 7

19-10-2024 00:24

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19-10-2024 00:06

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18-10-2024 23:48

241018-3thpzswhpp 10

18-10-2024 23:42

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General

  • Target

    https://download.overwolf.com/install/Download?PartnerId=3762&utm_source=google&utm_medium=cpc&utm_campaign=21268940350&gclid=CjwKCAjwjsi4BhB5EiwAFAL0YL6pQ47jirruo-pmFEOkklOaNWWPQJGq6IhGBZ4Uv7pbnpQ20WgZQBoCZRMQAvD_BwE&utm_content=Buff_AW_CjwKCAjwjsi4BhB5EiwAFAL0YL6pQ47jirruo-pmFEOkklOaNWWPQJGq6IhGBZ4Uv7pbnpQ20WgZQBoCZRMQAvD_BwE&utm_term=

  • Sample

    241018-3thpzswhpp

Malware Config

Targets

    • Target

      https://download.overwolf.com/install/Download?PartnerId=3762&utm_source=google&utm_medium=cpc&utm_campaign=21268940350&gclid=CjwKCAjwjsi4BhB5EiwAFAL0YL6pQ47jirruo-pmFEOkklOaNWWPQJGq6IhGBZ4Uv7pbnpQ20WgZQBoCZRMQAvD_BwE&utm_content=Buff_AW_CjwKCAjwjsi4BhB5EiwAFAL0YL6pQ47jirruo-pmFEOkklOaNWWPQJGq6IhGBZ4Uv7pbnpQ20WgZQBoCZRMQAvD_BwE&utm_term=

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • 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

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

    • Sets service image path in registry

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • 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