General

  • Target

    ff91f18eb1f1cc201ccb45500f7e7f88547dd982ced00edf15fd73b39a4f1166

  • Size

    2.8MB

  • Sample

    241215-n4631atjgz

  • MD5

    5086ec6859f91dbf4e36bfffc4150e0a

  • SHA1

    854c904a7d05f4d8bb2acde139ad87d7792ed251

  • SHA256

    ff91f18eb1f1cc201ccb45500f7e7f88547dd982ced00edf15fd73b39a4f1166

  • SHA512

    ad7d1068f4d1f0a0a9c0f75ad280a53866fd3e181e51050263e11dff4b1fac67bcac3c253d4c9206c2e0f36bd10d49ed6d3a0c96fb72f17ddc29af87017660c6

  • SSDEEP

    49152:g2RKpPXvqtDEvLXwCOHnfwpQ09nuXq8qjtoi:g2RaPXvw4jXwCafwNNuX1qR

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

https://shineugler.biz/api

Extracted

Family

lumma

C2

https://shineugler.biz/api

https://deafeninggeh.biz/api

Targets

    • Target

      ff91f18eb1f1cc201ccb45500f7e7f88547dd982ced00edf15fd73b39a4f1166

    • Size

      2.8MB

    • MD5

      5086ec6859f91dbf4e36bfffc4150e0a

    • SHA1

      854c904a7d05f4d8bb2acde139ad87d7792ed251

    • SHA256

      ff91f18eb1f1cc201ccb45500f7e7f88547dd982ced00edf15fd73b39a4f1166

    • SHA512

      ad7d1068f4d1f0a0a9c0f75ad280a53866fd3e181e51050263e11dff4b1fac67bcac3c253d4c9206c2e0f36bd10d49ed6d3a0c96fb72f17ddc29af87017660c6

    • SSDEEP

      49152:g2RKpPXvqtDEvLXwCOHnfwpQ09nuXq8qjtoi:g2RaPXvw4jXwCafwNNuX1qR

    • Amadey

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

    • Amadey family

    • Lumma Stealer, LummaC

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

    • Lumma family

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

    • 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.

    • Deletes itself

    • 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 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks