General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241202-xvcmgatnbj

  • MD5

    c6e0ec39ca331a54c2870ab777d3b70c

  • SHA1

    082b45149478beae0c144b490e359255633b4485

  • SHA256

    a4fa892a182a9d6014788cbe01ea2793d8f02489dea9322941762302a52ba7d4

  • SHA512

    0f3f5f338b5a384980b789676fdfa2f2190dd38aef7df48403da61047ff3939add1349b4339ba39e70960cd15fa2513ef93b3b17ecf3a93d466c1c19043278e6

  • SSDEEP

    49152:vQIfitwIirA3tBZz0QD0HowyuSfFgdTXIDQ/Bv:YMitwIi03rZz8Eu62tID8B

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

      c6e0ec39ca331a54c2870ab777d3b70c

    • SHA1

      082b45149478beae0c144b490e359255633b4485

    • SHA256

      a4fa892a182a9d6014788cbe01ea2793d8f02489dea9322941762302a52ba7d4

    • SHA512

      0f3f5f338b5a384980b789676fdfa2f2190dd38aef7df48403da61047ff3939add1349b4339ba39e70960cd15fa2513ef93b3b17ecf3a93d466c1c19043278e6

    • SSDEEP

      49152:vQIfitwIirA3tBZz0QD0HowyuSfFgdTXIDQ/Bv:YMitwIi03rZz8Eu62tID8B

    • 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

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks