General

  • Target

    file.exe

  • Size

    403KB

  • Sample

    240924-sfk8vatdlc

  • MD5

    55a5f2beec3dd4e2e81bd8c88b231ede

  • SHA1

    ca181991974c87da13066a00750f01dc175ee258

  • SHA256

    f4cd4350d5e48264696b980cc329ed0c1809b14194894557672cbb4baec3feea

  • SHA512

    03171620055fe45e71e20c4e19f9612d918254b66f652b61d45c6be936d0e5e6aff75a31481ffd0350d41f803feb0177c1a5c78086cfb18564112c7341faaafb

  • SSDEEP

    12288:sqo8/oWTZ9KhJIkbG/BkxvGqbS/+q9Z3qI2uEO:ig19K7Ikkk9xbctZ3q4t

Malware Config

Extracted

Family

vidar

Version

11

Botnet

9bf5e431869643a2ac397d2dc0d687fb

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

    • MD5

      55a5f2beec3dd4e2e81bd8c88b231ede

    • SHA1

      ca181991974c87da13066a00750f01dc175ee258

    • SHA256

      f4cd4350d5e48264696b980cc329ed0c1809b14194894557672cbb4baec3feea

    • SHA512

      03171620055fe45e71e20c4e19f9612d918254b66f652b61d45c6be936d0e5e6aff75a31481ffd0350d41f803feb0177c1a5c78086cfb18564112c7341faaafb

    • SSDEEP

      12288:sqo8/oWTZ9KhJIkbG/BkxvGqbS/+q9Z3qI2uEO:ig19K7Ikkk9xbctZ3q4t

    • 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