General

  • Target

    bf4bd835390e2607c737360a2527ea292bd0451507f93b623d3f9bbf4036c2fe

  • Size

    216KB

  • Sample

    240919-2mfrdavfmm

  • MD5

    082c8a659fa07a63f6078b1cbd00ae2a

  • SHA1

    ad6838c2971e01120b5f1c4a264d090c74fa0816

  • SHA256

    bf4bd835390e2607c737360a2527ea292bd0451507f93b623d3f9bbf4036c2fe

  • SHA512

    57eeb9cf08eb6d68941b029465771fb5f5aedb34f73d06212f0480f5cccf72873d6c75abf5346d8c352c65fbe5959dbc9323015b35416b278db999f6304a0b6a

  • SSDEEP

    6144:XTlqP0Xx9vlkheKNH+exE+NkO24Y9EV9GEO:jlbXLCh8ElCNEV9GEO

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Targets

    • Target

      bf4bd835390e2607c737360a2527ea292bd0451507f93b623d3f9bbf4036c2fe

    • Size

      216KB

    • MD5

      082c8a659fa07a63f6078b1cbd00ae2a

    • SHA1

      ad6838c2971e01120b5f1c4a264d090c74fa0816

    • SHA256

      bf4bd835390e2607c737360a2527ea292bd0451507f93b623d3f9bbf4036c2fe

    • SHA512

      57eeb9cf08eb6d68941b029465771fb5f5aedb34f73d06212f0480f5cccf72873d6c75abf5346d8c352c65fbe5959dbc9323015b35416b278db999f6304a0b6a

    • SSDEEP

      6144:XTlqP0Xx9vlkheKNH+exE+NkO24Y9EV9GEO:jlbXLCh8ElCNEV9GEO

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Downloads MZ/PE 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks