General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241209-x5hlgayjds

  • MD5

    3f78e574ceb89348cf3af90c3a63bf20

  • SHA1

    6fc220d8237c163947adfea2f7e643b8535a2450

  • SHA256

    200f25b055e75ab01b7b34120001b35682ecda95f704e5f0645280b3fc421b38

  • SHA512

    f3a8873737d9c338be9142279fb083950d1456732ff5790884d2c5ff6b91c8b739cba08b03ed72c539c6497091951b624cc2c0bab54dce8665aaa2cad315f0cd

  • SSDEEP

    49152:IAd7UyBBFUC9QgqN7TCot/mbYGiVtr/1VwFEH:IAxUyBBhQg47NZGiH1V

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

      file.exe

    • Size

      1.7MB

    • MD5

      3f78e574ceb89348cf3af90c3a63bf20

    • SHA1

      6fc220d8237c163947adfea2f7e643b8535a2450

    • SHA256

      200f25b055e75ab01b7b34120001b35682ecda95f704e5f0645280b3fc421b38

    • SHA512

      f3a8873737d9c338be9142279fb083950d1456732ff5790884d2c5ff6b91c8b739cba08b03ed72c539c6497091951b624cc2c0bab54dce8665aaa2cad315f0cd

    • SSDEEP

      49152:IAd7UyBBFUC9QgqN7TCot/mbYGiVtr/1VwFEH:IAxUyBBhQg47NZGiH1V

    • Amadey

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

    • Amadey family

    • 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

    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks