General

  • Target

    3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe

  • Size

    207KB

  • Sample

    240917-vv4pvavdlj

  • MD5

    c2959894fc8b6dc3059469fed76e49af

  • SHA1

    bceaade79890b40a5cc74bd9c25ec50cb45de7d7

  • SHA256

    3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7

  • SHA512

    c6daa3bfb90f8973c69caeb279ac3ebf06028599a4339d8a120259b70c953ce4e8bbc7325eedff4b6fd74fae35c16d92fb473b4eea381bd939482628ef5a9ff8

  • SSDEEP

    3072:Kt1DWAfPaMhSWmxApK0i8JSTfhfsjsV+7qIdRr6VowELW3AKvaEeJYY/dlSJKYzt:KtlWAfPaM3E0iOqM+CEowCwqRJYGOEO

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

      3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7.exe

    • Size

      207KB

    • MD5

      c2959894fc8b6dc3059469fed76e49af

    • SHA1

      bceaade79890b40a5cc74bd9c25ec50cb45de7d7

    • SHA256

      3f9daff50fd608eb15026903bf89ad2aafae0b344f0fd82e9ea82d4071a781d7

    • SHA512

      c6daa3bfb90f8973c69caeb279ac3ebf06028599a4339d8a120259b70c953ce4e8bbc7325eedff4b6fd74fae35c16d92fb473b4eea381bd939482628ef5a9ff8

    • SSDEEP

      3072:Kt1DWAfPaMhSWmxApK0i8JSTfhfsjsV+7qIdRr6VowELW3AKvaEeJYY/dlSJKYzt:KtlWAfPaM3E0iOqM+CEowCwqRJYGOEO

    • 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

    • Checks computer location settings

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

    • 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