General

  • Target

    a3d6d7eea1a9270e20be65394c942207078daac5952a12a9404dd4c557fd2944.exe

  • Size

    2.9MB

  • Sample

    241220-fd5hgs1lbk

  • MD5

    cd7686b11754d77b8722880a1a3a9a43

  • SHA1

    ea1c00d2985812539452a31d8f75506573dad692

  • SHA256

    a3d6d7eea1a9270e20be65394c942207078daac5952a12a9404dd4c557fd2944

  • SHA512

    64d095a52c5a9987cbdbe00c95cd96db67d5bf9faa9a53c1132eab27be7d0d8b7adf209195db8b925c6453ada759165ecfc8c1a5ac4f3ea7d3427fea2b643cab

  • SSDEEP

    49152:30HhKY2JwV6AskokjOnIY/cy6oMjYnJpY2Q2AM6J6OK:3mAJwV6AsFkiIycy6odnJ1Q2AM6J6O

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

cryptbot

Extracted

Family

xworm

C2

86.38.225.54:5353

Attributes
  • Install_directory

    %AppData%

  • install_file

    VIRUS101RatPayload.exe

Targets

    • Target

      a3d6d7eea1a9270e20be65394c942207078daac5952a12a9404dd4c557fd2944.exe

    • Size

      2.9MB

    • MD5

      cd7686b11754d77b8722880a1a3a9a43

    • SHA1

      ea1c00d2985812539452a31d8f75506573dad692

    • SHA256

      a3d6d7eea1a9270e20be65394c942207078daac5952a12a9404dd4c557fd2944

    • SHA512

      64d095a52c5a9987cbdbe00c95cd96db67d5bf9faa9a53c1132eab27be7d0d8b7adf209195db8b925c6453ada759165ecfc8c1a5ac4f3ea7d3427fea2b643cab

    • SSDEEP

      49152:30HhKY2JwV6AskokjOnIY/cy6oMjYnJpY2Q2AM6J6OK:3mAJwV6AsFkiIycy6odnJ1Q2AM6J6O

    • 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

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Enumerates VirtualBox registry keys

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

    • 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

    • 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

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • 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