General

  • Target

    38cd832a56d44f40b63de9d8638c87d03ba2640d5e3177a7b91a6270428ed4b6

  • Size

    3.0MB

  • Sample

    241211-2g1jlavqgm

  • MD5

    5a092b8d63ea7739340befc06c399e8a

  • SHA1

    c2fd010bac59febb5704c0c8cc41f08fe9beadbf

  • SHA256

    38cd832a56d44f40b63de9d8638c87d03ba2640d5e3177a7b91a6270428ed4b6

  • SHA512

    0b2a096f1cf4ceb673ea3598db7cbb0f5810dab76df5e5735a5d11144de2ea254c2e46b83deffc72776b6b03068dcb1f9fb02cb8bfa740f8313f7c4cb286f74b

  • SSDEEP

    49152:xk86k8R7HD8Xwx98A3iXrzl52cZMZgxbqud+keg1YdkZb:xkxk8RMI98A3iXrzlP6ZabqUYdE

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

xworm

Version

5.0

C2

127.0.0.1:8080

101.99.92.189:8080

Mutex

d5gQ6Zf7Tzih1Pi1

Attributes
  • install_file

    USB.exe

aes.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://drive-connect.cyou/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://immureprech.biz/api

https://deafeninggeh.biz/api

https://drive-connect.cyou/api

https://effecterectz.xyz/api

https://diffuculttan.xyz/api

https://debonairnukk.xyz/api

https://wrathful-jammy.cyou/api

https://awake-weaves.cyou/api

https://sordid-snaked.cyou/api

https://covery-mover.biz/api

Targets

    • Target

      38cd832a56d44f40b63de9d8638c87d03ba2640d5e3177a7b91a6270428ed4b6

    • Size

      3.0MB

    • MD5

      5a092b8d63ea7739340befc06c399e8a

    • SHA1

      c2fd010bac59febb5704c0c8cc41f08fe9beadbf

    • SHA256

      38cd832a56d44f40b63de9d8638c87d03ba2640d5e3177a7b91a6270428ed4b6

    • SHA512

      0b2a096f1cf4ceb673ea3598db7cbb0f5810dab76df5e5735a5d11144de2ea254c2e46b83deffc72776b6b03068dcb1f9fb02cb8bfa740f8313f7c4cb286f74b

    • SSDEEP

      49152:xk86k8R7HD8Xwx98A3iXrzl52cZMZgxbqud+keg1YdkZb:xkxk8RMI98A3iXrzlP6ZabqUYdE

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner 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

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks