Resubmissions

11-11-2024 14:41

241111-r2gbcatmdr 10

11-11-2024 14:37

241111-rzhfmazjbz 7

11-11-2024 14:34

241111-rxj7fatmaq 3

General

  • Target

    image.webp

  • Size

    152KB

  • Sample

    241111-r2gbcatmdr

  • MD5

    8f3c27c69754ff0bd59ca181032e37a6

  • SHA1

    640e0fea3d865b137e456a62932ccd492b1ec2c1

  • SHA256

    12f76120ad5a6e7685abaae14eeeb026049a9d4b43fd552506439d37a642cd18

  • SHA512

    78566d0d79c6d5c2c4acea029701911fe5abe41d784ca6d49b17e6135b92dd1793ad274467a35e480c9b140d3c8e333675c40863b8f6a2fbf1b8c502e1241524

  • SSDEEP

    3072:84vD/vweSmulvbXkvyZd5B/WGpe64zPe4a8OArpiXf4o1xMIFHjcH9bYvP/futb8:844mSvDkazXeVP6jmpiXf4oIOksfw8

Malware Config

Targets

    • Target

      image.webp

    • Size

      152KB

    • MD5

      8f3c27c69754ff0bd59ca181032e37a6

    • SHA1

      640e0fea3d865b137e456a62932ccd492b1ec2c1

    • SHA256

      12f76120ad5a6e7685abaae14eeeb026049a9d4b43fd552506439d37a642cd18

    • SHA512

      78566d0d79c6d5c2c4acea029701911fe5abe41d784ca6d49b17e6135b92dd1793ad274467a35e480c9b140d3c8e333675c40863b8f6a2fbf1b8c502e1241524

    • SSDEEP

      3072:84vD/vweSmulvbXkvyZd5B/WGpe64zPe4a8OArpiXf4o1xMIFHjcH9bYvP/futb8:844mSvDkazXeVP6jmpiXf4oIOksfw8

    • 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.

    • Contacts a large (503) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • 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.

    • A potential corporate email address has been identified in the URL: 0E920C0F53DA9E9B0A490D45@AdobeOrg

    • 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

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

    • 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