General

  • Target
    file.exe
  • Size 403KB
  • Sample240924-q34mla1arb
  • SHA256 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 11

Botnet
  • d80be45a1eb6454ca916f92c36ebf67d

C2
  • https://steamcommunity.com/profiles/76561199780418869

  • https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family
  • lumma

C2
  • https://ghostreedmnu.shop/api

Targets

    • Target
      file.exe
    • Size 403KB
    • SHA256 b5bb760b32b6cba8aae36d830b64c53cd3aa0d8ae0ec5686d604564f30ec46b9
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Vidar Stealer

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • 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.

    • 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.

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks