General

  • Target

    https://joseernestoongithub.github.io/mgen/

  • Sample

    240525-bfkhwaha6t

Malware Config

Extracted

Family

lumma

C2

https://tubewelfaredopw.shop/api

https://museumtespaceorsp.shop/api

https://buttockdecarderwiso.shop/api

https://averageaattractiionsl.shop/api

https://femininiespywageg.shop/api

https://employhabragaomlsp.shop/api

https://stalfbaclcalorieeis.shop/api

https://civilianurinedtsraov.shop/api

https://roomabolishsnifftwk.shop/api

Targets

    • Target

      https://joseernestoongithub.github.io/mgen/

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Contacts a large (534) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Downloads MZ/PE file

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks