General

  • Target

    8GK3U_file.exe

  • Size

    1.8MB

  • Sample

    241202-se7qfsyng1

  • MD5

    0712d55e16ed25f739ea28840c3b2576

  • SHA1

    5e1432684a5ac9b19103fcd3f69610938613a0a8

  • SHA256

    da5deabcd23ef4803c8d717ef4e35ca108b3907dc06ee3e34c77246b265d940b

  • SHA512

    d9ce501b6a341c6de8cbeff4b628399cf95d76433590e5f3b511e257392bf82db788eab70e8c387ddce0bdd1451998e3563baf12178fb3bb74b269b3387b26bc

  • SSDEEP

    24576:ddJdxwSlH7t0h11CcrkJH8haFYWknV2e1//zwAPunxT3ocFa+o8g9mML5w/85Ybd:pdDlR0xlrkJHsKYWuVwxkdu8cf

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

      8GK3U_file.exe

    • Size

      1.8MB

    • MD5

      0712d55e16ed25f739ea28840c3b2576

    • SHA1

      5e1432684a5ac9b19103fcd3f69610938613a0a8

    • SHA256

      da5deabcd23ef4803c8d717ef4e35ca108b3907dc06ee3e34c77246b265d940b

    • SHA512

      d9ce501b6a341c6de8cbeff4b628399cf95d76433590e5f3b511e257392bf82db788eab70e8c387ddce0bdd1451998e3563baf12178fb3bb74b269b3387b26bc

    • SSDEEP

      24576:ddJdxwSlH7t0h11CcrkJH8haFYWknV2e1//zwAPunxT3ocFa+o8g9mML5w/85Ybd:pdDlR0xlrkJHsKYWuVwxkdu8cf

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks