General

  • Target

    ca2d328cf8d3bb990c47a4ea62d67eff34f06a00b7a3a7bf5189120da96d8bc4.exe

  • Size

    1.8MB

  • Sample

    241205-mh5glswnhj

  • MD5

    f25ddb78a2cc3b6442c52a3c4a2aa843

  • SHA1

    52ba6df84b158bf917044fee22625d2a12202382

  • SHA256

    ca2d328cf8d3bb990c47a4ea62d67eff34f06a00b7a3a7bf5189120da96d8bc4

  • SHA512

    74c7900f42e3d9b5d490e4848c7d12832f14b245065e04baa96604f2ca91ea5e46318ea71e081ee266fc770a94413edc298516abf23ed9f6c7cd6e7a70b72f14

  • SSDEEP

    49152:pe5qRAcBzaCfib5MCfsPC7gRfNPDCrB6t:pe5GAmzlc59fsRtCst

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

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      ca2d328cf8d3bb990c47a4ea62d67eff34f06a00b7a3a7bf5189120da96d8bc4.exe

    • Size

      1.8MB

    • MD5

      f25ddb78a2cc3b6442c52a3c4a2aa843

    • SHA1

      52ba6df84b158bf917044fee22625d2a12202382

    • SHA256

      ca2d328cf8d3bb990c47a4ea62d67eff34f06a00b7a3a7bf5189120da96d8bc4

    • SHA512

      74c7900f42e3d9b5d490e4848c7d12832f14b245065e04baa96604f2ca91ea5e46318ea71e081ee266fc770a94413edc298516abf23ed9f6c7cd6e7a70b72f14

    • SSDEEP

      49152:pe5qRAcBzaCfib5MCfsPC7gRfNPDCrB6t:pe5GAmzlc59fsRtCst

    • Amadey

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

    • Amadey 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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Enumerates VirtualBox registry keys

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

    • 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

    • 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 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 installed software on the system

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks