General

  • Target

    file.exe

  • Size

    2.8MB

  • Sample

    241220-l7cmfsvlb1

  • MD5

    6ceb0f68635c643029bdcbf6fab01b41

  • SHA1

    c59cacff4ad813295a2bdc53d524df6dc62526b4

  • SHA256

    e02129bdbea6e49627ffbff6f291a4c1295d15725f47c1ebdae7c85a1a7dbb59

  • SHA512

    1031d7f3417905c6df411ff3fed4aade0c5a06494cb3f63701a5f34aa6b05710c83f5893d7517a84cb50316726d5e429e6aee9aa3db33ede4374f5f7d7c464fa

  • SSDEEP

    24576:nz+jM8ri0f6RuURd+tvx+OisK5KBI9bd6ypmmpzI9yv2X0IkJAEODpYVHXuXojHf:nz+YAiA633kgL9xpB0k7lzbnhIlgrp

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      2.8MB

    • MD5

      6ceb0f68635c643029bdcbf6fab01b41

    • SHA1

      c59cacff4ad813295a2bdc53d524df6dc62526b4

    • SHA256

      e02129bdbea6e49627ffbff6f291a4c1295d15725f47c1ebdae7c85a1a7dbb59

    • SHA512

      1031d7f3417905c6df411ff3fed4aade0c5a06494cb3f63701a5f34aa6b05710c83f5893d7517a84cb50316726d5e429e6aee9aa3db33ede4374f5f7d7c464fa

    • SSDEEP

      24576:nz+jM8ri0f6RuURd+tvx+OisK5KBI9bd6ypmmpzI9yv2X0IkJAEODpYVHXuXojHf:nz+YAiA633kgL9xpB0k7lzbnhIlgrp

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Detect Vidar Stealer

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox drivers on disk

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Looks for VMWare drivers on disk

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks