General

  • Target

    b4ed53947a407459822c5d352bb5300a5885b9dec2b6c319c48f54b57a02e2eb.exe

  • Size

    3.1MB

  • Sample

    241106-dzwrcswner

  • MD5

    2f2a8968bcdc26dc26f35a7f0e741b94

  • SHA1

    8ff2c4c2bac54fc34c12ee6e8b2349141ae1703c

  • SHA256

    b4ed53947a407459822c5d352bb5300a5885b9dec2b6c319c48f54b57a02e2eb

  • SHA512

    6288b580f9da2760f2b30565cfa6b5c57c2e9c776e3f04ad7ac1f5c5630678aea869f5f0d494aa244e2dbeb17615936fb29f68a20b0f23325238a5c417568ef9

  • SSDEEP

    49152:DNK2tJryjBRc3ly9HOPtPRDkeqipcoM1UM:U2tJoBe3kHKCeqP7

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

Targets

    • Target

      b4ed53947a407459822c5d352bb5300a5885b9dec2b6c319c48f54b57a02e2eb.exe

    • Size

      3.1MB

    • MD5

      2f2a8968bcdc26dc26f35a7f0e741b94

    • SHA1

      8ff2c4c2bac54fc34c12ee6e8b2349141ae1703c

    • SHA256

      b4ed53947a407459822c5d352bb5300a5885b9dec2b6c319c48f54b57a02e2eb

    • SHA512

      6288b580f9da2760f2b30565cfa6b5c57c2e9c776e3f04ad7ac1f5c5630678aea869f5f0d494aa244e2dbeb17615936fb29f68a20b0f23325238a5c417568ef9

    • SSDEEP

      49152:DNK2tJryjBRc3ly9HOPtPRDkeqipcoM1UM:U2tJoBe3kHKCeqP7

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks