General

  • Target

    05ffd1835da6892f990f92b3a3a933c08038bce94e71b5750ad8e374da877552

  • Size

    1.9MB

  • Sample

    241106-w6yteavgmb

  • MD5

    05699537f2ab5d8c09f53d2f45c5d18a

  • SHA1

    1f34982596cf1201a5f173e3452511b4a5ff145c

  • SHA256

    05ffd1835da6892f990f92b3a3a933c08038bce94e71b5750ad8e374da877552

  • SHA512

    03e764081a0cfbba3763464226305932aec9fbaceed8e18527d02371529942b6cacce1f4e4ae865c9fa3b0a26411d4aca2475ee41f7b21dddcb8f6524b8a2ba6

  • SSDEEP

    49152:unxzzjTvTTR5mDLS0DlZJlaJY7ucmP9v4VEcQx5:uxzzjTrt5ULlD/zaJY7XayEcQx

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

tale

C2

http://185.215.113.206

Attributes
  • url_path

    /6c4adf523b719729.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

C2

https://founpiuer.store/api

Targets

    • Target

      05ffd1835da6892f990f92b3a3a933c08038bce94e71b5750ad8e374da877552

    • Size

      1.9MB

    • MD5

      05699537f2ab5d8c09f53d2f45c5d18a

    • SHA1

      1f34982596cf1201a5f173e3452511b4a5ff145c

    • SHA256

      05ffd1835da6892f990f92b3a3a933c08038bce94e71b5750ad8e374da877552

    • SHA512

      03e764081a0cfbba3763464226305932aec9fbaceed8e18527d02371529942b6cacce1f4e4ae865c9fa3b0a26411d4aca2475ee41f7b21dddcb8f6524b8a2ba6

    • SSDEEP

      49152:unxzzjTvTTR5mDLS0DlZJlaJY7ucmP9v4VEcQx5:uxzzjTrt5ULlD/zaJY7XayEcQx

    • 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

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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 Microsoft Outlook profiles

    • 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.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks