General

  • Target

    file.exe

  • Size

    2.9MB

  • Sample

    241220-dq5b5sylan

  • MD5

    ee12d8b8ca1b5a57024aa4543b3865eb

  • SHA1

    956606c8966a69d7e34a7ca2008e50440b3686fc

  • SHA256

    6519acfeab8705862fee44a34934eca2960d93f1cec000b2ee5552926865cf31

  • SHA512

    a31b97f221ec301799679d425b4df7158801b1c2b9c9bbb32283c18289dbcc7dd446784d04b3aa84a21a292535694d5fb2408a1984d1b17b183acb290030cdb6

  • SSDEEP

    49152:tImjPWPcoCD7hokvDEi4WHONULvnlDPkxYPR4Kqnc/RC:1jPicoCD7ykvYiN9Pkx24Kqnc/o

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

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

Extracted

Family

cryptbot

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      2.9MB

    • MD5

      ee12d8b8ca1b5a57024aa4543b3865eb

    • SHA1

      956606c8966a69d7e34a7ca2008e50440b3686fc

    • SHA256

      6519acfeab8705862fee44a34934eca2960d93f1cec000b2ee5552926865cf31

    • SHA512

      a31b97f221ec301799679d425b4df7158801b1c2b9c9bbb32283c18289dbcc7dd446784d04b3aa84a21a292535694d5fb2408a1984d1b17b183acb290030cdb6

    • SSDEEP

      49152:tImjPWPcoCD7hokvDEi4WHONULvnlDPkxYPR4Kqnc/RC:1jPicoCD7ykvYiN9Pkx24Kqnc/o

    • 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

    • Detect Vidar Stealer

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • 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.

    • Drops startup file

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • 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