Resubmissions

09-12-2024 03:17

241209-dtdnlaynh1 10

09-12-2024 03:13

241209-dq4qlstnhp 10

General

  • Target

    file.exe

  • Size

    3.1MB

  • Sample

    241209-dtdnlaynh1

  • MD5

    a19f8447cc5cc3bd266c8e1098c5ffff

  • SHA1

    0f2afa44f46aab7cdeaaf5ca6d7a32a2541fdf62

  • SHA256

    3b6ceb8138f8e9db307e0591ff28f45b727512215256f9b7df8b0b7cdee31b42

  • SHA512

    d7e7b44479f9252ada8a5a8cad9a111b973142e664c4d6884109e6b93c1c309af961316fc8ea0f1817e35edababc1bbf626983e60e3919c1a966f2d91c60431e

  • SSDEEP

    98304:zzupfV2d3Tosj77+wHkl26vg7pSNXuoX:/upfV2A26vgyXtX

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://crib-endanger.sbs/api

https://faintbl0w.sbs/api

https://300snails.sbs/api

https://bored-light.sbs/api

https://3xc1aimbl0w.sbs/api

https://pull-trucker.sbs/api

https://fleez-inc.sbs/api

https://thicktoys.sbs/api

https://ratiomun.cyou/api

https://atten-supporse.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

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://drive-connect.cyou/api

https://se-blurry.biz/api

https://zinc-sneark.biz/api

https://dare-curbys.biz/api

Targets

    • Target

      file.exe

    • Size

      3.1MB

    • MD5

      a19f8447cc5cc3bd266c8e1098c5ffff

    • SHA1

      0f2afa44f46aab7cdeaaf5ca6d7a32a2541fdf62

    • SHA256

      3b6ceb8138f8e9db307e0591ff28f45b727512215256f9b7df8b0b7cdee31b42

    • SHA512

      d7e7b44479f9252ada8a5a8cad9a111b973142e664c4d6884109e6b93c1c309af961316fc8ea0f1817e35edababc1bbf626983e60e3919c1a966f2d91c60431e

    • SSDEEP

      98304:zzupfV2d3Tosj77+wHkl26vg7pSNXuoX:/upfV2A26vgyXtX

    • Amadey

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

    • Amadey family

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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.

    • 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.

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks