General

  • Target

    download-thank-you.php

  • Size

    43KB

  • Sample

    241016-x1skwa1epl

  • MD5

    b914f50f24b693c93d1040e2bd07af00

  • SHA1

    12e08f5e8882703c796b977a079a1ae2e35ede05

  • SHA256

    5b96b8e0ff46adca9e7bcb5ee8a7bf6ea0e5f70dd0cafc2bc6cf6f13af9e7ab6

  • SHA512

    f4539e13b6fb45d587ed78464669d9cbb612255b249a73d738f2d6f8b7ed96ea9d2aa3ba68c28f96a25941e48c56793f6fab02833cdeb147accb8840fdd9887f

  • SSDEEP

    768:9APIvEA6WipgP40EnMKSIdhSf/qZSfq4Sfqh+DLZokpTdQG5LnvZfyQt9hvrOOHD:awvEA6WipgP40EnMKSIdhSf/qZSfq4Sl

Malware Config

Targets

    • Target

      download-thank-you.php

    • Size

      43KB

    • MD5

      b914f50f24b693c93d1040e2bd07af00

    • SHA1

      12e08f5e8882703c796b977a079a1ae2e35ede05

    • SHA256

      5b96b8e0ff46adca9e7bcb5ee8a7bf6ea0e5f70dd0cafc2bc6cf6f13af9e7ab6

    • SHA512

      f4539e13b6fb45d587ed78464669d9cbb612255b249a73d738f2d6f8b7ed96ea9d2aa3ba68c28f96a25941e48c56793f6fab02833cdeb147accb8840fdd9887f

    • SSDEEP

      768:9APIvEA6WipgP40EnMKSIdhSf/qZSfq4Sfqh+DLZokpTdQG5LnvZfyQt9hvrOOHD:awvEA6WipgP40EnMKSIdhSf/qZSfq4Sl

    • 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 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.

    • 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