General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241203-yytwlaxmbn

  • MD5

    02401d2fee6e13c3d02eba710cac5afa

  • SHA1

    b19bf4225b459f5fe44b779d130e54f40de1c4da

  • SHA256

    8ceef7d0eadf1f0ee32343bc88a1f368d5e3bf744d67ec8a402808bc17411dba

  • SHA512

    03182282eb131ab7ff826a7990b0f6a658a023e9b46793bd97a557b67fd7d3be759e1bd5877173b552a80f524c5658acb0213b00bfef3d39483b85923096fa3b

  • SSDEEP

    49152:RgRD0IMgshXcrYmW2Zj67OcI641jwTyiSlT9zxbNT:6RIIXrrY1CcIbmyrV/bN

Malware Config

Extracted

Family

stealc

Botnet

drum

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

      file.exe

    • Size

      1.7MB

    • MD5

      02401d2fee6e13c3d02eba710cac5afa

    • SHA1

      b19bf4225b459f5fe44b779d130e54f40de1c4da

    • SHA256

      8ceef7d0eadf1f0ee32343bc88a1f368d5e3bf744d67ec8a402808bc17411dba

    • SHA512

      03182282eb131ab7ff826a7990b0f6a658a023e9b46793bd97a557b67fd7d3be759e1bd5877173b552a80f524c5658acb0213b00bfef3d39483b85923096fa3b

    • SSDEEP

      49152:RgRD0IMgshXcrYmW2Zj67OcI641jwTyiSlT9zxbNT:6RIIXrrY1CcIbmyrV/bN

    • 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.

    • 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

MITRE ATT&CK Enterprise v15

Tasks