General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241129-l2r5ysyrgz

  • MD5

    419409ac948f88109df5953921297526

  • SHA1

    742671ca1a33cc6471198796f4b2d105f935dbe0

  • SHA256

    a02c34fe8af96d774e11aff52237a194fdb446eba979e5c2d26e3776b0bfb6d5

  • SHA512

    8efdd977dd3a6ea1eab7c504802e26ac95fe8db8cc132c92a04501b72f2ff7b308dd18c25000e983e7f816e53bab103e89fa6ac644b1f058b8736421cd7eb394

  • SSDEEP

    49152:HscjhlXg71UTTcNaoE5rBSOiZXy8LCNQPVDheI+Uz:HxjjcOcgoEzSxZXnL7KI+Uz

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

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      419409ac948f88109df5953921297526

    • SHA1

      742671ca1a33cc6471198796f4b2d105f935dbe0

    • SHA256

      a02c34fe8af96d774e11aff52237a194fdb446eba979e5c2d26e3776b0bfb6d5

    • SHA512

      8efdd977dd3a6ea1eab7c504802e26ac95fe8db8cc132c92a04501b72f2ff7b308dd18c25000e983e7f816e53bab103e89fa6ac644b1f058b8736421cd7eb394

    • SSDEEP

      49152:HscjhlXg71UTTcNaoE5rBSOiZXy8LCNQPVDheI+Uz:HxjjcOcgoEzSxZXnL7KI+Uz

    • 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

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Enumerates VirtualBox registry keys

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

    • Downloads MZ/PE file

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks