General

  • Target

    77231d29e79ea154dbf43765d0f2daa4c3c149a374ce95e52c3a8121243b8083.exe

  • Size

    1.7MB

  • Sample

    241129-d26pcaspaz

  • MD5

    4966c47250d6502613e172a54168825c

  • SHA1

    d1261d0564eaf1011599b7d4ccced492f3163a9d

  • SHA256

    77231d29e79ea154dbf43765d0f2daa4c3c149a374ce95e52c3a8121243b8083

  • SHA512

    6412f6cadd9eba8a0003fae2ada492036b4c0058223b5f14af5f530a903512f75cca485869fad6f67ef31e5cd337821e7d6f9634c07fc47f7d4adfc32f018252

  • SSDEEP

    49152:+9/P5OZX2PEq6lcwv4dSIar+MjAGZzEg1SL4Gy:yEp2PEjlci4AIar+mAGZ31SUG

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

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

Targets

    • Target

      77231d29e79ea154dbf43765d0f2daa4c3c149a374ce95e52c3a8121243b8083.exe

    • Size

      1.7MB

    • MD5

      4966c47250d6502613e172a54168825c

    • SHA1

      d1261d0564eaf1011599b7d4ccced492f3163a9d

    • SHA256

      77231d29e79ea154dbf43765d0f2daa4c3c149a374ce95e52c3a8121243b8083

    • SHA512

      6412f6cadd9eba8a0003fae2ada492036b4c0058223b5f14af5f530a903512f75cca485869fad6f67ef31e5cd337821e7d6f9634c07fc47f7d4adfc32f018252

    • SSDEEP

      49152:+9/P5OZX2PEq6lcwv4dSIar+MjAGZzEg1SL4Gy:yEp2PEjlci4AIar+mAGZ31SUG

    • 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.

    • 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