General

  • Target

    f5ae76b6007c9d3e965000adf8a8c4537481f432689ad6110ed71b0fad648cc4N.exe

  • Size

    3.1MB

  • Sample

    241216-df71aa1jcx

  • MD5

    83bc6873a7977706a187a72d43538370

  • SHA1

    9f9f8cac87edcfb3f5c64ccbea4d9340efc0d798

  • SHA256

    f5ae76b6007c9d3e965000adf8a8c4537481f432689ad6110ed71b0fad648cc4

  • SHA512

    cb7172da9dc701ce3d14919af9003ae1f3b29fc22c60846f0886ea6ef445a04312f39e9c29782808d69121f754e904e6b6213ae3b72d18ceeef3569cb14c0965

  • SSDEEP

    49152:Otub5iT64321IMNRt3piRD2Lr22P6gkX+h8g9HAvdD:OtuS64321IMHCCXPbkOegZch

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

Targets

    • Target

      f5ae76b6007c9d3e965000adf8a8c4537481f432689ad6110ed71b0fad648cc4N.exe

    • Size

      3.1MB

    • MD5

      83bc6873a7977706a187a72d43538370

    • SHA1

      9f9f8cac87edcfb3f5c64ccbea4d9340efc0d798

    • SHA256

      f5ae76b6007c9d3e965000adf8a8c4537481f432689ad6110ed71b0fad648cc4

    • SHA512

      cb7172da9dc701ce3d14919af9003ae1f3b29fc22c60846f0886ea6ef445a04312f39e9c29782808d69121f754e904e6b6213ae3b72d18ceeef3569cb14c0965

    • SSDEEP

      49152:Otub5iT64321IMNRt3piRD2Lr22P6gkX+h8g9HAvdD:OtuS64321IMHCCXPbkOegZch

    • 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.

    • 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

    • 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