General

  • Target

    8896bb6c5d1a3e0afae8143e4520676f72feae12c7b23b600e7b689d5e7c54a2N.exe

  • Size

    7.1MB

  • Sample

    241202-vtnx1atnex

  • MD5

    de16056f45e6d98f84dd38a78fa355e0

  • SHA1

    56d833711751143044398d868c2a3f0d70ed066e

  • SHA256

    8896bb6c5d1a3e0afae8143e4520676f72feae12c7b23b600e7b689d5e7c54a2

  • SHA512

    da4045ac6b5f0080233500a4c501e989b899b8916dde5a2f1f92078943615910a51891dd9dec8ab1121b73a28c6c5069755fec426bf392599113a53eea9ba1fe

  • SSDEEP

    196608:T61etDwoo14zL28osWzvnp629hdbj6ypDXM5:W1cnoaX2zswnb9Hf68DX

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

C2

https://preside-comforter.sbs

https://savvy-steereo.sbs

https://copper-replace.sbs

https://record-envyp.sbs

https://slam-whipp.sbs

https://wrench-creter.sbs

https://looky-marked.sbs

https://plastic-mitten.sbs

https://hallowed-noisy.sbs

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

gurcu

C2

https://api.telegram.org/bot8009002136:AAHPJrz2-Pn7ZXvJ8icMhaRHpwMHWNcOutY/sendDocumen

Targets

    • Target

      8896bb6c5d1a3e0afae8143e4520676f72feae12c7b23b600e7b689d5e7c54a2N.exe

    • Size

      7.1MB

    • MD5

      de16056f45e6d98f84dd38a78fa355e0

    • SHA1

      56d833711751143044398d868c2a3f0d70ed066e

    • SHA256

      8896bb6c5d1a3e0afae8143e4520676f72feae12c7b23b600e7b689d5e7c54a2

    • SHA512

      da4045ac6b5f0080233500a4c501e989b899b8916dde5a2f1f92078943615910a51891dd9dec8ab1121b73a28c6c5069755fec426bf392599113a53eea9ba1fe

    • SSDEEP

      196608:T61etDwoo14zL28osWzvnp629hdbj6ypDXM5:W1cnoaX2zswnb9Hf68DX

    • Amadey

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

    • Amadey family

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • 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

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Adds Run key to start application

    • 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

MITRE ATT&CK Enterprise v15

Tasks