General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241127-gpqn5sxmhr

  • MD5

    7201b45617fddde515846336e78d95b2

  • SHA1

    a00afe2646990b1ba446d282143f0b717a61663c

  • SHA256

    715feed9e8e28808cd140b740f3e456c17258fac1ad8c098cf68fe73b355d3bb

  • SHA512

    1978ecfb11a3564a7b3f215a833d7ca5d9459577be4cf894828c758feac931ffa3dfa1bc2c8eb4f7477445ca88bf598606e4f42ccb7c76cd5d597bcb8d92ea10

  • SSDEEP

    49152:+K1Euoy0M8Ysdb0vlSiM0AmijUtHWTI/jKZT:+buiYsdb0vlSiBAmi4tNG

Malware Config

Extracted

Family

stealc

Botnet

mars

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

xworm

Version

5.0

C2

backto54.duckdns.org:8989

helldog24.duckdns.org:8989

Mutex

7Fvn9wsSHJeXUB5q

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

lumma

C2

https://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://property-imper.sbs

Targets

    • Target

      file.exe

    • Size

      1.7MB

    • MD5

      7201b45617fddde515846336e78d95b2

    • SHA1

      a00afe2646990b1ba446d282143f0b717a61663c

    • SHA256

      715feed9e8e28808cd140b740f3e456c17258fac1ad8c098cf68fe73b355d3bb

    • SHA512

      1978ecfb11a3564a7b3f215a833d7ca5d9459577be4cf894828c758feac931ffa3dfa1bc2c8eb4f7477445ca88bf598606e4f42ccb7c76cd5d597bcb8d92ea10

    • SSDEEP

      49152:+K1Euoy0M8Ysdb0vlSiM0AmijUtHWTI/jKZT:+buiYsdb0vlSiBAmi4tNG

    • Amadey

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

    • Amadey family

    • Detect Xworm Payload

    • 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

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks