General

  • Target

    e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.exe

  • Size

    1.8MB

  • Sample

    241218-g95zkaxlez

  • MD5

    f7bd1f6e3feb705640a55b2aac76d4d9

  • SHA1

    f1fa6a2fa7060b7121b5b2ec44fad1830a569ed7

  • SHA256

    e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5

  • SHA512

    34d0d76cc51a6870eb0888e366268b2d925ae1cc0de8ac0f72635a1e11024bd25ca1d86a384979063f6a7dc96b862e27e92fd23dcfb4f23a1c7ec10d097e11d8

  • SSDEEP

    49152:x1x0BBe2Hl5M+8jPn1pKgB2A5IuNlBaLBJJXmF:bxWBZHAZKgPdbUvI

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

lumma

Targets

    • Target

      e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.exe

    • Size

      1.8MB

    • MD5

      f7bd1f6e3feb705640a55b2aac76d4d9

    • SHA1

      f1fa6a2fa7060b7121b5b2ec44fad1830a569ed7

    • SHA256

      e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5

    • SHA512

      34d0d76cc51a6870eb0888e366268b2d925ae1cc0de8ac0f72635a1e11024bd25ca1d86a384979063f6a7dc96b862e27e92fd23dcfb4f23a1c7ec10d097e11d8

    • SSDEEP

      49152:x1x0BBe2Hl5M+8jPn1pKgB2A5IuNlBaLBJJXmF:bxWBZHAZKgPdbUvI

    • 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

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • 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 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.

    • 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.

    • Drops file in System32 directory

    • 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