General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241129-rcnzwstnal

  • MD5

    7ee283f3588e385e0eb6c39a0a32ef38

  • SHA1

    b5c51ee8ad56ea23acdfd03be4ba100261682134

  • SHA256

    4a12b63197b69950e470f43b75d0df47eab18bb6c1a869c886b9b39f0b61b93a

  • SHA512

    2c66020e9153446ef4bd9a03a788197136663af84c01352c706350053e6cbc748fb5eadacafeac969eb40d61c6e0485b63bccbd818500056fb5467b3bb0a5974

  • SSDEEP

    24576:mNdd6AmJw0J/DcUKpPvt/fh60bDiw3rQsEVByKl5pAPxJHE+eHQGodJMJJP1TFR:uWJ7ApPVfhlbmaQsXKl8Pxu+ewrJkP

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

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      7ee283f3588e385e0eb6c39a0a32ef38

    • SHA1

      b5c51ee8ad56ea23acdfd03be4ba100261682134

    • SHA256

      4a12b63197b69950e470f43b75d0df47eab18bb6c1a869c886b9b39f0b61b93a

    • SHA512

      2c66020e9153446ef4bd9a03a788197136663af84c01352c706350053e6cbc748fb5eadacafeac969eb40d61c6e0485b63bccbd818500056fb5467b3bb0a5974

    • SSDEEP

      24576:mNdd6AmJw0J/DcUKpPvt/fh60bDiw3rQsEVByKl5pAPxJHE+eHQGodJMJJP1TFR:uWJ7ApPVfhlbmaQsXKl8Pxu+ewrJkP

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Enumerates VirtualBox registry keys

    • 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.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks