General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241204-z16hvaxlgn

  • MD5

    612545030665c7591776dbb3db633202

  • SHA1

    61d7614d3192dadc9b7916d48f110e89d0051f1e

  • SHA256

    fa4e60b4175f84bb50446300942beb9d25b35b39c033b02bd14045cf0f2f01f6

  • SHA512

    8134621f3f13938c8872db422f3cf51764ff77cb0e75d0a5c464fd4b925b8e60fca9e8345f061e550f02eaf44fe1d2b69e44de0ce250efbd04a5411e8ba462a5

  • SSDEEP

    24576:e36l0/n48daUjAdWnGgUk9sUG7DAObROTYDbdOT8DoTMNXmZGXpA1F9BftkesIUu:tlUfaUs4xsrF5O87WZmpAD9BfjsIUby

Malware Config

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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://ratiomun.cyou

Extracted

Family

lumma

C2

https://ratiomun.cyou/api

Targets

    • Target

      file.exe

    • Size

      1.7MB

    • MD5

      612545030665c7591776dbb3db633202

    • SHA1

      61d7614d3192dadc9b7916d48f110e89d0051f1e

    • SHA256

      fa4e60b4175f84bb50446300942beb9d25b35b39c033b02bd14045cf0f2f01f6

    • SHA512

      8134621f3f13938c8872db422f3cf51764ff77cb0e75d0a5c464fd4b925b8e60fca9e8345f061e550f02eaf44fe1d2b69e44de0ce250efbd04a5411e8ba462a5

    • SSDEEP

      24576:e36l0/n48daUjAdWnGgUk9sUG7DAObROTYDbdOT8DoTMNXmZGXpA1F9BftkesIUu:tlUfaUs4xsrF5O87WZmpAD9BfjsIUby

    • 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

    • Enumerates VirtualBox registry keys

    • 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.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks