General

  • Target

    FDPYO_file.exe

  • Size

    1.7MB

  • Sample

    241203-n4y3dstrdy

  • MD5

    38787a15c31c40205259e8b2f270d21b

  • SHA1

    cedf2f58b324c1393909c8fd9b3a58405d56efd6

  • SHA256

    2fbb29f067c28996272c05cba0737503d0caa78af0d5a4e67c7c295cd0f0f74f

  • SHA512

    0d023d2c8a0e117c42d373b95a4fe6efd541e66665b56a8540aa1056bd27e756ebe9a6c849f01d77bd9e5e7df070c15484d7396e4e6f11f94bf9bb3aa0603522

  • SSDEEP

    49152:MhWwf3jpF8IAfdtnDe43Fr1a0bGCgrX2H:MhWwfjpmRFJlnSG

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

      FDPYO_file.exe

    • Size

      1.7MB

    • MD5

      38787a15c31c40205259e8b2f270d21b

    • SHA1

      cedf2f58b324c1393909c8fd9b3a58405d56efd6

    • SHA256

      2fbb29f067c28996272c05cba0737503d0caa78af0d5a4e67c7c295cd0f0f74f

    • SHA512

      0d023d2c8a0e117c42d373b95a4fe6efd541e66665b56a8540aa1056bd27e756ebe9a6c849f01d77bd9e5e7df070c15484d7396e4e6f11f94bf9bb3aa0603522

    • SSDEEP

      49152:MhWwf3jpF8IAfdtnDe43Fr1a0bGCgrX2H:MhWwfjpmRFJlnSG

    • 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)

    • Download via BitsAdmin

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks