General

  • Target

    d094215eeb77cdc9ba248eed4d4c1fdc45fde6c1877ab288389d8b1858428e19N.exe

  • Size

    3.6MB

  • Sample

    241216-m9dszaypbj

  • MD5

    5b84afab465cc69d595f6b674ca69590

  • SHA1

    768664285a83762eb3da335daf2eb13a19d01829

  • SHA256

    d094215eeb77cdc9ba248eed4d4c1fdc45fde6c1877ab288389d8b1858428e19

  • SHA512

    87a5fe1f70018900f517fc786c94b47b1959f84cdf7a38229864a5e7859383c54c739d05b3c5b5fefa924518b9f41e4073a96ea5f00ed533211c9983da98816e

  • SSDEEP

    98304:CMagf7NMy0lA64hbz4uXjt2YsuvtjRyEY9X:pxf7NJX64p8dYsuFjRP

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://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

https://atten-supporse.biz/api

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

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://atten-supporse.biz/api

https://shineugler.biz/api

https://tacitglibbr.biz/api

Targets

    • Target

      d094215eeb77cdc9ba248eed4d4c1fdc45fde6c1877ab288389d8b1858428e19N.exe

    • Size

      3.6MB

    • MD5

      5b84afab465cc69d595f6b674ca69590

    • SHA1

      768664285a83762eb3da335daf2eb13a19d01829

    • SHA256

      d094215eeb77cdc9ba248eed4d4c1fdc45fde6c1877ab288389d8b1858428e19

    • SHA512

      87a5fe1f70018900f517fc786c94b47b1959f84cdf7a38229864a5e7859383c54c739d05b3c5b5fefa924518b9f41e4073a96ea5f00ed533211c9983da98816e

    • SSDEEP

      98304:CMagf7NMy0lA64hbz4uXjt2YsuvtjRyEY9X:pxf7NJX64p8dYsuFjRP

    • 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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat 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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc 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.

    • 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.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks