General

  • Target

    36cde0f98ab8a93df2c3134ab9771502.bin

  • Size

    1.8MB

  • Sample

    241106-bgzzyssckb

  • MD5

    0aa30cbfbc44c93468d97dc1444155b3

  • SHA1

    ce0cc7a2292558f1c2917630789e52f4a9a15b6f

  • SHA256

    44b9504b68e7e0ebf6eccfe23b89f8e6967585faedf375cbcd495da5dbcb87d2

  • SHA512

    bdeae4ae4452c78730c8c70a647f441c94faa4774a3ff8aeb8ad208094fb48fd21a10f22df39c88563421ea9923aabddb0e86d39bd15a90221b40b887449c09f

  • SSDEEP

    49152:RxMR7+7NV1pi5lzEiwtQqR880eX4kRAEN+LEJZQ3chB:RWV+7hpi5itQK8Z87yENFeqB

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

stealc

Botnet

tale

C2

http://185.215.113.206

Attributes
  • url_path

    /6c4adf523b719729.php

Extracted

Family

lumma

C2

https://founpiuer.store/api

Targets

    • Target

      6d466d1d251413c12eea858fb6632f05321720d64212b98b92b68a7190627261.exe

    • Size

      3.1MB

    • MD5

      36cde0f98ab8a93df2c3134ab9771502

    • SHA1

      d778b355d36d12d05562bed3f78af22c944eb575

    • SHA256

      6d466d1d251413c12eea858fb6632f05321720d64212b98b92b68a7190627261

    • SHA512

      a79ef6f322657769550e03f1734b88c1a3b330ec6523f5fa444066cea7bc1dfd2df41833d9c99380209f2e25d1685c81dbc9eee948aa30678ff8a54a3b4c5d80

    • SSDEEP

      49152:og8DDIyU/xbvZJzwSmaOLxmeHpEeeJxs18eM9C:ogGDIyU/xbvXzwSmBtzHp8zs8eM9C

    • 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

    • Modifies Windows Defender Real-time Protection settings

    • 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 user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks