General

  • Target

    da4bcad0c270c9c24e10bfb307aa3d31189ccc7d5d1c8ec623146d10a5075043.exe

  • Size

    1.7MB

  • Sample

    241205-dz6asssmfm

  • MD5

    951e3f5224c74b86f5bdc7f3620a1160

  • SHA1

    8d811beb9b66ada1f43e7a82bea4a7c84f48920a

  • SHA256

    da4bcad0c270c9c24e10bfb307aa3d31189ccc7d5d1c8ec623146d10a5075043

  • SHA512

    f2b715de4d2916d193618e5b0d63d5618c1bfa75dfb46d368f1e1f73ac267b6ffec9cab1c7c6c3c8e22d8f4d97da746bc65161788831ac8729df73dbbe6da490

  • SSDEEP

    49152:YUxnllzHc16kQNm11NdgGO6phxg8z4WhyGIbvTlCO:51lJU5QFkphOkhyGIbTlCO

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

C2

https://ratiomun.cyou

Extracted

Family

lumma

C2

https://ratiomun.cyou/api

Targets

    • Target

      da4bcad0c270c9c24e10bfb307aa3d31189ccc7d5d1c8ec623146d10a5075043.exe

    • Size

      1.7MB

    • MD5

      951e3f5224c74b86f5bdc7f3620a1160

    • SHA1

      8d811beb9b66ada1f43e7a82bea4a7c84f48920a

    • SHA256

      da4bcad0c270c9c24e10bfb307aa3d31189ccc7d5d1c8ec623146d10a5075043

    • SHA512

      f2b715de4d2916d193618e5b0d63d5618c1bfa75dfb46d368f1e1f73ac267b6ffec9cab1c7c6c3c8e22d8f4d97da746bc65161788831ac8729df73dbbe6da490

    • SSDEEP

      49152:YUxnllzHc16kQNm11NdgGO6phxg8z4WhyGIbvTlCO:51lJU5QFkphOkhyGIbTlCO

    • 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

    • 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