General

  • Target

    c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe

  • Size

    1.9MB

  • Sample

    241126-st3eaawrhy

  • MD5

    d43d91d84ec3d88229f5f9a4571c81c3

  • SHA1

    eb5f0914b8a499ceeb116f9a12bebe332a1a446a

  • SHA256

    c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e

  • SHA512

    354f0892a14f249759691e3429b6c4fee920a624f44c8e4ac2bcba4705b039118dce8667b2b8f01c8560eb368fb8434c091e9a3a4c6eabadee121eb81ba2d23f

  • SSDEEP

    49152:SYoLk1jvI12b/7453Q6eRjtw4Vp3D7ZIETY9Axyh7rU:9nIz3xKjW4uETY9AY5w

Malware Config

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://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://push-hook.cyou

https://property-imper.sbs

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://push-hook.cyou/api

https://occupy-blushi.sbs/api

https://blade-govern.sbs/api

https://story-tense-faz.sbs/api

https://disobey-curly.sbs/api

https://motion-treesz.sbs/api

https://powerful-avoids.sbs/api

Targets

    • Target

      c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e.exe

    • Size

      1.9MB

    • MD5

      d43d91d84ec3d88229f5f9a4571c81c3

    • SHA1

      eb5f0914b8a499ceeb116f9a12bebe332a1a446a

    • SHA256

      c5a41d44a031c0cae009a88620fa39f3e3a5cc0f7379480f04fa5cd87827338e

    • SHA512

      354f0892a14f249759691e3429b6c4fee920a624f44c8e4ac2bcba4705b039118dce8667b2b8f01c8560eb368fb8434c091e9a3a4c6eabadee121eb81ba2d23f

    • SSDEEP

      49152:SYoLk1jvI12b/7453Q6eRjtw4Vp3D7ZIETY9Axyh7rU:9nIz3xKjW4uETY9AY5w

    • 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 user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks