General

  • Target

    d401c3671807726e777b0a0814c4e4f55cf41684746813cad3a7ebbd1d3d7d71

  • Size

    206KB

  • Sample

    240913-feb8bsvhmd

  • MD5

    a991933b29e1203af5c3df1d62d0b247

  • SHA1

    0979ff2723370bbd48ea50d59413a1741e4edd01

  • SHA256

    d401c3671807726e777b0a0814c4e4f55cf41684746813cad3a7ebbd1d3d7d71

  • SHA512

    7bde49a84b7feb8dec2330a7b83a7adc8e65ea13cb6521b267e8626c8ba10f2e383b37747b08a7df1c2aa05410ee80539aae555f8f4d0901cb4992ac16087518

  • SSDEEP

    6144:9B3OtHI5KcJnfDZvlHsH8aIhvrtSPje6XTEO:9kopdlvi8aixweoEO

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/afsgsdgqr4r

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

      d401c3671807726e777b0a0814c4e4f55cf41684746813cad3a7ebbd1d3d7d71

    • Size

      206KB

    • MD5

      a991933b29e1203af5c3df1d62d0b247

    • SHA1

      0979ff2723370bbd48ea50d59413a1741e4edd01

    • SHA256

      d401c3671807726e777b0a0814c4e4f55cf41684746813cad3a7ebbd1d3d7d71

    • SHA512

      7bde49a84b7feb8dec2330a7b83a7adc8e65ea13cb6521b267e8626c8ba10f2e383b37747b08a7df1c2aa05410ee80539aae555f8f4d0901cb4992ac16087518

    • SSDEEP

      6144:9B3OtHI5KcJnfDZvlHsH8aIhvrtSPje6XTEO:9kopdlvi8aixweoEO

    • 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