General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241201-zkvfmswmen

  • MD5

    cfabae0dc0b3e5a60db97cbd9dd3e3ad

  • SHA1

    12b6af9e093cec7d9dbd322be0c5424be744f061

  • SHA256

    3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af

  • SHA512

    903de23d5393a070044090f44362a5ab52b99c8d1813db380595261dd117b87e06ac57393a453c00fc5cfa3890425c0e1d0a26f7dee5092e1b403f937bc29bef

  • SSDEEP

    49152:0wGlwkOBb05Us4JfqD3waP2Z/FUvNSULGxD:5GaRBbg4JvG2XUvBLsD

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

      cfabae0dc0b3e5a60db97cbd9dd3e3ad

    • SHA1

      12b6af9e093cec7d9dbd322be0c5424be744f061

    • SHA256

      3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af

    • SHA512

      903de23d5393a070044090f44362a5ab52b99c8d1813db380595261dd117b87e06ac57393a453c00fc5cfa3890425c0e1d0a26f7dee5092e1b403f937bc29bef

    • SSDEEP

      49152:0wGlwkOBb05Us4JfqD3waP2Z/FUvNSULGxD:5GaRBbg4JvG2XUvBLsD

    • 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