General

  • Target

    237badcdff70e5d06eeeedaee5a15aab30e8f4e1e14a2ea0725a1a195c3b025bN.exe

  • Size

    5.1MB

  • Sample

    241216-t73gwawmdn

  • MD5

    fb8949ff606f8c6079493ceeb2201e40

  • SHA1

    2ae8a81c3c6d6de4f730c37a0686d6fbed07654a

  • SHA256

    237badcdff70e5d06eeeedaee5a15aab30e8f4e1e14a2ea0725a1a195c3b025b

  • SHA512

    105dae42b65b9d903d832fb207cb60abe20aaf1a734d3e699c7383dbedd46fc434688bf0e4d16f99928ac08cd10169e04703f814bbd776e72d599388f5b8e3f0

  • SSDEEP

    98304:YNYzBAY5GZR7bzwo/+/6KDcZMiXE41pP9d1/zvRb7yyGw4ungePK:JkVGnDcaa1pTp5ZGt

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://185.11.61.104/Z.png

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

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

https://shineugler.biz/api

https://tacitglibbr.biz/api

Extracted

Family

cryptbot

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7807236140:AAF-i5R6XuCUIDX7jhwiW3NW21ELWWQOTo0/sendMessag

Extracted

Family

lumma

C2

https://immureprech.biz/api

https://shineugler.biz/api

https://tacitglibbr.biz/api

Targets

    • Target

      237badcdff70e5d06eeeedaee5a15aab30e8f4e1e14a2ea0725a1a195c3b025bN.exe

    • Size

      5.1MB

    • MD5

      fb8949ff606f8c6079493ceeb2201e40

    • SHA1

      2ae8a81c3c6d6de4f730c37a0686d6fbed07654a

    • SHA256

      237badcdff70e5d06eeeedaee5a15aab30e8f4e1e14a2ea0725a1a195c3b025b

    • SHA512

      105dae42b65b9d903d832fb207cb60abe20aaf1a734d3e699c7383dbedd46fc434688bf0e4d16f99928ac08cd10169e04703f814bbd776e72d599388f5b8e3f0

    • SSDEEP

      98304:YNYzBAY5GZR7bzwo/+/6KDcZMiXE41pP9d1/zvRb7yyGw4ungePK:JkVGnDcaa1pTp5ZGt

    • 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

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • 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)

    • Blocklisted process makes network request

    • 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.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • 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.

    • 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.

    • Enumerates connected drives

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

    • 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.

    • 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