General

  • Target

    3d6a84afc1b6933d9568329672d97fb28aa978ad402173852ece6f514b2dd7fa

  • Size

    2.9MB

  • Sample

    241219-tntqmawjck

  • MD5

    cb2ba62c6458c056beb72af7913754da

  • SHA1

    aed485414925409ceefb36d67d2bb01e4c2e5eaa

  • SHA256

    3d6a84afc1b6933d9568329672d97fb28aa978ad402173852ece6f514b2dd7fa

  • SHA512

    dc55a423b4dd02529dddd84eaf5e87d89ad447aaa18da9444e043bca831006f9000b6efda7903df2ff4d82559d58e562016c3b5abb425fbeef0cee93ba3d6384

  • SSDEEP

    49152:jiPwsJi8M/TcJr2fk67nu0L7mM8b9TE/yntpoqCrmb:uIsJi8MLQr2fk67u0L7Wb9TE/ktp4m

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

cryptbot

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

Targets

    • Target

      3d6a84afc1b6933d9568329672d97fb28aa978ad402173852ece6f514b2dd7fa

    • Size

      2.9MB

    • MD5

      cb2ba62c6458c056beb72af7913754da

    • SHA1

      aed485414925409ceefb36d67d2bb01e4c2e5eaa

    • SHA256

      3d6a84afc1b6933d9568329672d97fb28aa978ad402173852ece6f514b2dd7fa

    • SHA512

      dc55a423b4dd02529dddd84eaf5e87d89ad447aaa18da9444e043bca831006f9000b6efda7903df2ff4d82559d58e562016c3b5abb425fbeef0cee93ba3d6384

    • SSDEEP

      49152:jiPwsJi8M/TcJr2fk67nu0L7mM8b9TE/yntpoqCrmb:uIsJi8MLQr2fk67u0L7Wb9TE/ktp4m

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Enumerates VirtualBox registry keys

    • 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

    • Sets service image path in registry

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • 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