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General

  • Target

    Z3E1W_file.exe

  • Size

    1.7MB

  • Sample

    241209-hnnzlazqgz

  • MD5

    1ccd476ef1cb8a55170a6ef196dfb053

  • SHA1

    5bf1b3781099129a92a2925576c1628f65ac9e19

  • SHA256

    9b25c62d773c36fe7bb6c02204f61b1ca0fd6c4d1a9f1245dd917e3439d01588

  • SHA512

    9ffa61cf282f77a01855237bab9bbcb7bddb24383d643c7d89a58bda6f34b18f628ee743e1782aee3685d5bdf410472a857b035ceaa350d153154e1b50234513

  • SSDEEP

    49152:/m8fa0CeXtsNwgWK+Hqc+5jaye1VwlFbOZjj:eyy/5HjS1elF8j

Malware Config

Extracted

Family

stealc

Botnet

stok

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

C2

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://atten-supporse.biz/api

Extracted

Family

lumma

C2

https://atten-supporse.biz/api

https://se-blurry.biz/api

https://zinc-sneark.biz/api

Targets

    • Target

      Z3E1W_file.exe

    • Size

      1.7MB

    • MD5

      1ccd476ef1cb8a55170a6ef196dfb053

    • SHA1

      5bf1b3781099129a92a2925576c1628f65ac9e19

    • SHA256

      9b25c62d773c36fe7bb6c02204f61b1ca0fd6c4d1a9f1245dd917e3439d01588

    • SHA512

      9ffa61cf282f77a01855237bab9bbcb7bddb24383d643c7d89a58bda6f34b18f628ee743e1782aee3685d5bdf410472a857b035ceaa350d153154e1b50234513

    • SSDEEP

      49152:/m8fa0CeXtsNwgWK+Hqc+5jaye1VwlFbOZjj:eyy/5HjS1elF8j

    • 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

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

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • 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.

    • Drops startup file

    • 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