General

  • Target

    8797b7e5edfcffb2943103f14e99d32534e3a8d19de4476811cb3de24c834260N.exe

  • Size

    1.7MB

  • Sample

    241216-b9tzeaxpbz

  • MD5

    f3237f81afa56e6f54369ca2a98beb90

  • SHA1

    718bc313b7b3ba5dffdcf157421582547e4d2c2f

  • SHA256

    8797b7e5edfcffb2943103f14e99d32534e3a8d19de4476811cb3de24c834260

  • SHA512

    f163fc8e8282125b5bf8306edd1029fee0724578d9c5cfd16ca976055bb1f37afd7ed7fbb6be730745ff74c82afef2b071718393e7fff0b41de399a4dd1c9be4

  • SSDEEP

    49152:TWzTqNaHWzakLV/s1aR9Wjn4zREeosVjtvjWTRFGa86C:6z+NQWzD/yjn4zVJa2Vb

Malware Config

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

cryptbot

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://tacitglibbr.biz/api

Targets

    • Target

      8797b7e5edfcffb2943103f14e99d32534e3a8d19de4476811cb3de24c834260N.exe

    • Size

      1.7MB

    • MD5

      f3237f81afa56e6f54369ca2a98beb90

    • SHA1

      718bc313b7b3ba5dffdcf157421582547e4d2c2f

    • SHA256

      8797b7e5edfcffb2943103f14e99d32534e3a8d19de4476811cb3de24c834260

    • SHA512

      f163fc8e8282125b5bf8306edd1029fee0724578d9c5cfd16ca976055bb1f37afd7ed7fbb6be730745ff74c82afef2b071718393e7fff0b41de399a4dd1c9be4

    • SSDEEP

      49152:TWzTqNaHWzakLV/s1aR9Wjn4zREeosVjtvjWTRFGa86C:6z+NQWzD/yjn4zVJa2Vb

    • 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

    • 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

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

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks