General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241128-1dlets1nf1

  • MD5

    fa103c60627745006ef761c05844f4ad

  • SHA1

    c81b2bdd617205733fd3f20626a3a3f5de1df4f0

  • SHA256

    efbc8318bac69fdbc43aa14cd7d82273b6208b290f9fc612292c10480a679776

  • SHA512

    545cbef4c435b79621a9f54c336682e33d058b4316c40a02adb29a4400a036d3b2f68e13ce834c18c107cf0dfc2d93f94c27deef32b4f23e45061609518079b0

  • SSDEEP

    24576:f71wCTxTlwjbXTjYrbAp1SqxR3ANJxPNFgQpa45G1jmk71eF8VdjNbopmP/DzsCa:fZ5Z4bj0rbo1SWANTPwQpcMkx1XDnor

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

      file.exe

    • Size

      1.7MB

    • MD5

      fa103c60627745006ef761c05844f4ad

    • SHA1

      c81b2bdd617205733fd3f20626a3a3f5de1df4f0

    • SHA256

      efbc8318bac69fdbc43aa14cd7d82273b6208b290f9fc612292c10480a679776

    • SHA512

      545cbef4c435b79621a9f54c336682e33d058b4316c40a02adb29a4400a036d3b2f68e13ce834c18c107cf0dfc2d93f94c27deef32b4f23e45061609518079b0

    • SSDEEP

      24576:f71wCTxTlwjbXTjYrbAp1SqxR3ANJxPNFgQpa45G1jmk71eF8VdjNbopmP/DzsCa:fZ5Z4bj0rbo1SWANTPwQpcMkx1XDnor

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks