General

  • Target

    6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.exe

  • Size

    1.7MB

  • Sample

    241214-nvemdszrhw

  • MD5

    56e12bcc2bb16375c498e5ce71d2931c

  • SHA1

    20adcd7bd6a7e620643f67bdffad49741eb8721c

  • SHA256

    6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101

  • SHA512

    3020f7e04909f97b1c50f29f9ea66801f389977e3316e7bded69daba22b5f22b304eec2659c4ea6394f14e617fee7cc2de4a1b3574f9488d3e0782d04c1c0416

  • SSDEEP

    49152:628LO+tu9pMYtO10VFD8+dEh7EBKN3/g+hGQbgfMDAMn/:6vOftO10VFD8+dw5gRnVY

Malware Config

Extracted

Family

stealc

Botnet

stok

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://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

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://tacitglibbr.biz/api

Extracted

Family

lumma

C2

https://immureprech.biz/api

https://deafeninggeh.biz/api

https://tacitglibbr.biz/api

https://drive-connect.cyou/api

Targets

    • Target

      6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.exe

    • Size

      1.7MB

    • MD5

      56e12bcc2bb16375c498e5ce71d2931c

    • SHA1

      20adcd7bd6a7e620643f67bdffad49741eb8721c

    • SHA256

      6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101

    • SHA512

      3020f7e04909f97b1c50f29f9ea66801f389977e3316e7bded69daba22b5f22b304eec2659c4ea6394f14e617fee7cc2de4a1b3574f9488d3e0782d04c1c0416

    • SSDEEP

      49152:628LO+tu9pMYtO10VFD8+dEh7EBKN3/g+hGQbgfMDAMn/:6vOftO10VFD8+dw5gRnVY

    • 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.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks