General

  • Target

    259b76b23a393bbe38478a12f7df76eb71b676a0a0b6c1bb8f3085c5f4e6b461.exe

  • Size

    3.1MB

  • Sample

    241106-cp13nasla1

  • MD5

    1f851e1840e1a5a45d8c21630061cfc7

  • SHA1

    ea05edf1430b5cfb312f07ce13314ac4d7f61bf8

  • SHA256

    259b76b23a393bbe38478a12f7df76eb71b676a0a0b6c1bb8f3085c5f4e6b461

  • SHA512

    79a4007940e0b18817993f92e5a3c9de360aec6ff0efb66280b2a9b54a54ade74f655f3b93a5f933cd9e8dc7371757f4927201982fc6ad1c3edc7d51a23b1b11

  • SSDEEP

    49152:zwuqnxzJGz0FiD0A4GyNe/98+njyKN1YrXbPU:enx1Gz0FiD0A4Re/2+njrErr

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

tale

C2

http://185.215.113.206

Attributes
  • url_path

    /6c4adf523b719729.php

Extracted

Family

lumma

C2

https://founpiuer.store/api

https://bakedstusteeb.shop/api

https://worddosofrm.shop/api

https://mutterissuen.shop/api

https://standartedby.shop/api

https://nightybinybz.shop/api

https://conceszustyb.shop/api

https://respectabosiz.shop/api

https://moutheventushz.shop/api

Extracted

Family

xworm

Version

5.0

C2

husktools.duckdns.org:7000

Mutex

9W5nR6YNY2Cs1cQg

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    XClient.exe

aes.plain

Targets

    • Target

      259b76b23a393bbe38478a12f7df76eb71b676a0a0b6c1bb8f3085c5f4e6b461.exe

    • Size

      3.1MB

    • MD5

      1f851e1840e1a5a45d8c21630061cfc7

    • SHA1

      ea05edf1430b5cfb312f07ce13314ac4d7f61bf8

    • SHA256

      259b76b23a393bbe38478a12f7df76eb71b676a0a0b6c1bb8f3085c5f4e6b461

    • SHA512

      79a4007940e0b18817993f92e5a3c9de360aec6ff0efb66280b2a9b54a54ade74f655f3b93a5f933cd9e8dc7371757f4927201982fc6ad1c3edc7d51a23b1b11

    • SSDEEP

      49152:zwuqnxzJGz0FiD0A4GyNe/98+njyKN1YrXbPU:enx1Gz0FiD0A4Re/2+njrErr

    • Amadey

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

    • Amadey family

    • Detect Xworm Payload

    • 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.

    • Drops startup file

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks