General

  • Target

    bdbbdc8e5dd9a3197d56c4e1ef566bdf1643f53441a0e7896602946f886c6f96

  • Size

    5.1MB

  • Sample

    241212-nlewsssmes

  • MD5

    796b79421c4b0c8aa23243f6d0f60626

  • SHA1

    4894fdd0b41f66d94fd5d6817d17b6621ba29edb

  • SHA256

    bdbbdc8e5dd9a3197d56c4e1ef566bdf1643f53441a0e7896602946f886c6f96

  • SHA512

    2049b4327e46f2463ef45f7e6fddad02b8ad98f51ab2158f3cfdadca322ba3a96a86c51f4e06a2eba1a8175197bec697ddee56e60c9070981c032918c38d4f91

  • SSDEEP

    98304:RgwGEKt/X7ClJS7KGC11LephEnSY+2+1BPi/LPm8oJxrqgqCvc2:ET0HepynQBKDPhozrbRU2

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

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://drive-connect.cyou/api

Extracted

Family

lumma

C2

https://drive-connect.cyou/api

https://covery-mover.biz/api

Targets

    • Target

      bdbbdc8e5dd9a3197d56c4e1ef566bdf1643f53441a0e7896602946f886c6f96

    • Size

      5.1MB

    • MD5

      796b79421c4b0c8aa23243f6d0f60626

    • SHA1

      4894fdd0b41f66d94fd5d6817d17b6621ba29edb

    • SHA256

      bdbbdc8e5dd9a3197d56c4e1ef566bdf1643f53441a0e7896602946f886c6f96

    • SHA512

      2049b4327e46f2463ef45f7e6fddad02b8ad98f51ab2158f3cfdadca322ba3a96a86c51f4e06a2eba1a8175197bec697ddee56e60c9070981c032918c38d4f91

    • SSDEEP

      98304:RgwGEKt/X7ClJS7KGC11LephEnSY+2+1BPi/LPm8oJxrqgqCvc2:ET0HepynQBKDPhozrbRU2

    • 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)

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • 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.

    • 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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks