General

  • Target

    file.exe

  • Size

    3.1MB

  • Sample

    241213-krldzstjev

  • MD5

    01833088c8d6bc355bbb0469c95435b7

  • SHA1

    a98b045f0809ecd4aac8b1f1ff31ed614e1cd698

  • SHA256

    c5c376615760a2511b3144d811e1f7ce71f0b7f869e38786e0bb8363f69daba4

  • SHA512

    b94f6be0f7aa84634b42eb2f06df1f7114a1fcb1a01fb75054c5936f2d68ea1d3b7db675d2cd3c436192af4ab8f843aa4df2d6382f3fb54022e23d329476212d

  • SSDEEP

    49152:AO94ZPGZhBmNFYFengrd4tLlEI+hJpYdMuCKYlf3QWFpZ8:AOGNGDQbYwngrd4PEI+rpiMuCKwf34

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

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://drive-connect.cyou/api

Extracted

Family

lumma

C2

https://drive-connect.cyou/api

https://covery-mover.biz/api

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7822020748:AAGrioLZvBM_jgQaep0KKTha1_5Kzmwl62s/sendDocument?chat_id=7538374929&caption=%F0%9F%92%A0DOTSTEALER%F0%9F%92%A0%0A%F0%9F%92%ABNew%20log:%0AIP:%20181.215.176.83%0AUsername:%20Admin%0ALocation:%20United%20Kingdom%20[GB],%20London,%20Englan

Targets

    • Target

      file.exe

    • Size

      3.1MB

    • MD5

      01833088c8d6bc355bbb0469c95435b7

    • SHA1

      a98b045f0809ecd4aac8b1f1ff31ed614e1cd698

    • SHA256

      c5c376615760a2511b3144d811e1f7ce71f0b7f869e38786e0bb8363f69daba4

    • SHA512

      b94f6be0f7aa84634b42eb2f06df1f7114a1fcb1a01fb75054c5936f2d68ea1d3b7db675d2cd3c436192af4ab8f843aa4df2d6382f3fb54022e23d329476212d

    • SSDEEP

      49152:AO94ZPGZhBmNFYFengrd4tLlEI+hJpYdMuCKYlf3QWFpZ8:AOGNGDQbYwngrd4PEI+rpiMuCKwf34

    • Amadey

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

    • Amadey family

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner 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

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner payload

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • 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