General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241127-jyt42a1ral

  • MD5

    40fbf66fe2c47dcd8d2de9191b48b355

  • SHA1

    eb7260a1cf345b9a225fa6250727db32e391ffd6

  • SHA256

    c5723c29a13feb389fd9e72e6e81d914c0693d9846c2810d1d0bad4e3307eb78

  • SHA512

    2d4328dea1251bd7694c4f1b42f7bf5efad6b8712364bd42db6f8ba612dffd430b6e4bc158756c5e68d9aa24b0904cdff7ac7fde06cdf2826f062077415d0690

  • SSDEEP

    49152:tai5lapixRQLHDfUG2XIBlCE7MFKMM68xbEYGXxhA:gi58iLU32YBlCE7MFld8aYGXj

Malware Config

Extracted

Family

stealc

Botnet

mars

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://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://property-imper.sbs

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      40fbf66fe2c47dcd8d2de9191b48b355

    • SHA1

      eb7260a1cf345b9a225fa6250727db32e391ffd6

    • SHA256

      c5723c29a13feb389fd9e72e6e81d914c0693d9846c2810d1d0bad4e3307eb78

    • SHA512

      2d4328dea1251bd7694c4f1b42f7bf5efad6b8712364bd42db6f8ba612dffd430b6e4bc158756c5e68d9aa24b0904cdff7ac7fde06cdf2826f062077415d0690

    • SSDEEP

      49152:tai5lapixRQLHDfUG2XIBlCE7MFKMM68xbEYGXxhA:gi58iLU32YBlCE7MFld8aYGXj

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks