General

  • Target

    file.exe

  • Size

    2.1MB

  • Sample

    241109-a879zatejd

  • MD5

    94c83a670fb21a3981d357283a1449d4

  • SHA1

    f3aa1cc5e4e32ff8b04630383668ff31eeb72f00

  • SHA256

    8cb31def2f17ac26ddeaea048880afeeb27049fcc3dcf07a5f0382406cfeddb4

  • SHA512

    282adcd0f18a3f0e2c189f0174cc0452fa9956aaafe322991286e51c011706e03774ad67f6ac9759cce6c7eb59ac1d25f4be57e98e9531a1618e45349c9f06aa

  • SSDEEP

    49152:K9kqWQB+CbiZnsrcQnMBRt8qbCNFPMyYyIuZkS:K9lPTbipsrTniCXNFPMxuv

Malware Config

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://navygenerayk.store/api

Targets

    • Target

      file.exe

    • Size

      2.1MB

    • MD5

      94c83a670fb21a3981d357283a1449d4

    • SHA1

      f3aa1cc5e4e32ff8b04630383668ff31eeb72f00

    • SHA256

      8cb31def2f17ac26ddeaea048880afeeb27049fcc3dcf07a5f0382406cfeddb4

    • SHA512

      282adcd0f18a3f0e2c189f0174cc0452fa9956aaafe322991286e51c011706e03774ad67f6ac9759cce6c7eb59ac1d25f4be57e98e9531a1618e45349c9f06aa

    • SSDEEP

      49152:K9kqWQB+CbiZnsrcQnMBRt8qbCNFPMyYyIuZkS:K9lPTbipsrTniCXNFPMxuv

    • 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

    • 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 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.

    • 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