General

  • Target

    172e1e49642648745fefdbebd4c76c41049a4f0edd14eeb7904b709f0add5cbc

  • Size

    3.0MB

  • Sample

    241213-vv2v9avqcy

  • MD5

    4873dec39296c80c3863e04149e492bb

  • SHA1

    4ceb2e1553a82ac5f05cefc8c1b688e768c92de3

  • SHA256

    172e1e49642648745fefdbebd4c76c41049a4f0edd14eeb7904b709f0add5cbc

  • SHA512

    c827eaf7b8910fdc5d5d9a2d51611573b49a4fffb6fc37cc9279d77f1d05071f0b862dd11b65a69b6ca351a4c1876bee77630e5a8a1c05f806cb7e474969e92c

  • SSDEEP

    24576:nmtolFr9W3FS3YTpWs3MSWHyf8CnGSSfXFm7a8D1UeyeI6/Dg6ZPpemIFHxe+ASn:mto783LTVv8y9L7an2gH7txMRcSp+9

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

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://drive-connect.cyou/api

Targets

    • Target

      172e1e49642648745fefdbebd4c76c41049a4f0edd14eeb7904b709f0add5cbc

    • Size

      3.0MB

    • MD5

      4873dec39296c80c3863e04149e492bb

    • SHA1

      4ceb2e1553a82ac5f05cefc8c1b688e768c92de3

    • SHA256

      172e1e49642648745fefdbebd4c76c41049a4f0edd14eeb7904b709f0add5cbc

    • SHA512

      c827eaf7b8910fdc5d5d9a2d51611573b49a4fffb6fc37cc9279d77f1d05071f0b862dd11b65a69b6ca351a4c1876bee77630e5a8a1c05f806cb7e474969e92c

    • SSDEEP

      24576:nmtolFr9W3FS3YTpWs3MSWHyf8CnGSSfXFm7a8D1UeyeI6/Dg6ZPpemIFHxe+ASn:mto783LTVv8y9L7an2gH7txMRcSp+9

    • Amadey

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

    • Amadey family

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • Renames multiple (1944) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Blocklisted process makes network request

    • 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.

    • 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.

    • Windows security modification

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks