General

  • Target

    4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39

  • Size

    283KB

  • Sample

    240912-2hvdzayekl

  • MD5

    84354d3c9965d9a0878596e347a34f39

  • SHA1

    f8e6d9f00d72f6f023e8d793462b7bb90cc31583

  • SHA256

    4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39

  • SHA512

    2356ba4867985b609e1727f2a4877649f6c1b415d089dcef22c695baa42d3051cb6fb799eb7056ca75301a1aba47e71354e5051868f5bda04a62932a3ef72ad3

  • SSDEEP

    6144:S6JmCTAAGH0Jd9KZxnLlIak8/nPIO02s9F8oBNvAd9GzKeXOvEO:7mCTAAkY905yagO0D0OAH4KNEO

Malware Config

Extracted

Family

vidar

C2

https://t.me/fneogr

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

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Targets

    • Target

      4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39

    • Size

      283KB

    • MD5

      84354d3c9965d9a0878596e347a34f39

    • SHA1

      f8e6d9f00d72f6f023e8d793462b7bb90cc31583

    • SHA256

      4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39

    • SHA512

      2356ba4867985b609e1727f2a4877649f6c1b415d089dcef22c695baa42d3051cb6fb799eb7056ca75301a1aba47e71354e5051868f5bda04a62932a3ef72ad3

    • SSDEEP

      6144:S6JmCTAAGH0Jd9KZxnLlIak8/nPIO02s9F8oBNvAd9GzKeXOvEO:7mCTAAkY905yagO0D0OAH4KNEO

    • 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