General

  • Target

    b6904d59e10e8349493b64fad899e70b694c60af552fcc8f70a7f090d7b3559b

  • Size

    1.7MB

  • Sample

    241204-p8zedswlet

  • MD5

    1e9314537d32215aac9b9e508cad802a

  • SHA1

    f4beac8138432483f4c82cf396e2468ea219c936

  • SHA256

    b6904d59e10e8349493b64fad899e70b694c60af552fcc8f70a7f090d7b3559b

  • SHA512

    db06e604d8aa83013a850104cad34432653600bccd350b2d652fa4d6624a3694d44952a813bab84ba59405e6fd1850f0638eb75603aa2793f7cdfd2a374317b4

  • SSDEEP

    49152:Zm1J95zSL4AKmB3NR9mPk4NH0mDozXWq9:MJWRTR9mxRiXWq

Malware Config

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

Targets

    • Target

      b6904d59e10e8349493b64fad899e70b694c60af552fcc8f70a7f090d7b3559b

    • Size

      1.7MB

    • MD5

      1e9314537d32215aac9b9e508cad802a

    • SHA1

      f4beac8138432483f4c82cf396e2468ea219c936

    • SHA256

      b6904d59e10e8349493b64fad899e70b694c60af552fcc8f70a7f090d7b3559b

    • SHA512

      db06e604d8aa83013a850104cad34432653600bccd350b2d652fa4d6624a3694d44952a813bab84ba59405e6fd1850f0638eb75603aa2793f7cdfd2a374317b4

    • SSDEEP

      49152:Zm1J95zSL4AKmB3NR9mPk4NH0mDozXWq9:MJWRTR9mxRiXWq

    • 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.

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks