General

  • Target

    bf554462c091219488a1a53fff22213df8d9530fa6ff0f59033b0c9ee9173555.exe

  • Size

    1.3MB

  • Sample

    240901-b2mkcsxemp

  • MD5

    046ebd7e0f619f33de609ea3f126b0d3

  • SHA1

    37a0b634955eb29f9bc7d3d434838cd729bb7e17

  • SHA256

    bf554462c091219488a1a53fff22213df8d9530fa6ff0f59033b0c9ee9173555

  • SHA512

    39afa534b862f9faebb4aa1ff4144a7d53f62adfd389531f75bdf10865fe8d846e79b3138ec90f2e9d4eb92a72e7a856f0c7be857a892a54eb2f2503f3030d10

  • SSDEEP

    24576:39O/bmU++vQu1TL9yJ5d2m8y7i1HlcoGpJ042jJpUeBk2h:3k/X+75dAyMGDP2dpUYXh

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

1176f2

C2

http://185.215.113.19

Attributes
  • install_dir

    417fd29867

  • install_file

    ednfoki.exe

  • strings_key

    183201dc3defc4394182b4bff63c4065

  • url_paths

    /CoreOPT/index.php

rc4.plain

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

45.200.149.147:4782

Mutex

uXnIs7mA0Z5R

Attributes
  • delay

    3

  • install

    false

  • install_file

    javaupdate.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

lumma

C2

https://millyscroqwp.shop/api

https://locatedblsoqp.shop/api

Targets

    • Target

      bf554462c091219488a1a53fff22213df8d9530fa6ff0f59033b0c9ee9173555.exe

    • Size

      1.3MB

    • MD5

      046ebd7e0f619f33de609ea3f126b0d3

    • SHA1

      37a0b634955eb29f9bc7d3d434838cd729bb7e17

    • SHA256

      bf554462c091219488a1a53fff22213df8d9530fa6ff0f59033b0c9ee9173555

    • SHA512

      39afa534b862f9faebb4aa1ff4144a7d53f62adfd389531f75bdf10865fe8d846e79b3138ec90f2e9d4eb92a72e7a856f0c7be857a892a54eb2f2503f3030d10

    • SSDEEP

      24576:39O/bmU++vQu1TL9yJ5d2m8y7i1HlcoGpJ042jJpUeBk2h:3k/X+75dAyMGDP2dpUYXh

    • Amadey

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

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Detects ZharkBot payload

      ZharkBot is a botnet written C++.

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • ZharkBot

      ZharkBot is a botnet written C++.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • 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

    • Indirect Command Execution

      Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks