Resubmissions

19-12-2024 19:18

241219-xzzmssxpev 10

19-12-2024 19:09

241219-xtrp1ayjdm 10

General

  • Target

    file.exe

  • Size

    2.9MB

  • Sample

    241219-xzzmssxpev

  • MD5

    a916c16724e4aa3eef3839f1647f2b0f

  • SHA1

    981069c2d4254ca1b9cf41bc5dab8db5bfda1558

  • SHA256

    45400639f60d98c903e3942bea79413d9779bb1a62d96ffe1ac621de8dbd3800

  • SHA512

    dc4949109a56e0b177a266e3b30d7675a6af578af31e103dc5ca9a3e26da42c01b472b64cbe0b17c4c64890f477bfffc1a95bc256159ce7e112da20971448980

  • SSDEEP

    49152:XYcTFPtXwQoLZUBwsfBvrDtWM2ztzbHm2HCoQVQBhm9vOVTU:vho9UBwsfBTDtW1ztHHmToQycvOVT

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

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

default_valenciga

C2

http://185.215.113.17

Attributes
  • url_path

    /2fb6c2cc8dce150a.php

Targets

    • Target

      file.exe

    • Size

      2.9MB

    • MD5

      a916c16724e4aa3eef3839f1647f2b0f

    • SHA1

      981069c2d4254ca1b9cf41bc5dab8db5bfda1558

    • SHA256

      45400639f60d98c903e3942bea79413d9779bb1a62d96ffe1ac621de8dbd3800

    • SHA512

      dc4949109a56e0b177a266e3b30d7675a6af578af31e103dc5ca9a3e26da42c01b472b64cbe0b17c4c64890f477bfffc1a95bc256159ce7e112da20971448980

    • SSDEEP

      49152:XYcTFPtXwQoLZUBwsfBvrDtWM2ztzbHm2HCoQVQBhm9vOVTU:vho9UBwsfBTDtW1ztHHmToQycvOVT

    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Exelastealer 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

    • UAC bypass

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xmrig family

    • xmrig

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

    • Enumerates VirtualBox registry keys

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

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

    • XMRig Miner payload

    • Blocklisted process makes network request

    • 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

    • Modifies Windows Firewall

    • Sets service image path in registry

    • 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.

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • 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.

    • 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.

    • Checks whether UAC is enabled

    • 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

    • Looks up external IP address via web service

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

    • Network Service Discovery

      Attempt to gather information on host's network.

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • 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

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • 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