General

  • Target

    ec9bd0165827dfe5cbde934168d583d2e62273e7b5c1d4d0854610209a8c00c2

  • Size

    283KB

  • Sample

    240912-2rv2vszfpb

  • MD5

    317a685e8d63e4fa4d16876659095b82

  • SHA1

    9341a1d93b906e90053e15873edfbe792f47a7f3

  • SHA256

    ec9bd0165827dfe5cbde934168d583d2e62273e7b5c1d4d0854610209a8c00c2

  • SHA512

    7e8124572d51885ddbe291a7b1392d90ae080d71481cca6400fee8d03f64c7a1877c8a92c71fb2fee4a98c4383e4dae106143dbcf3fcf433f3d8925729ba80b0

  • SSDEEP

    6144:EjPoq+m41DgFfyDE3zYzbsZlKThQVJ71kchYxLlQxsDfzU/0EO:Ez+VWyDE3zgQZM1UkHtlQxsDfg/0EO

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

      ec9bd0165827dfe5cbde934168d583d2e62273e7b5c1d4d0854610209a8c00c2

    • Size

      283KB

    • MD5

      317a685e8d63e4fa4d16876659095b82

    • SHA1

      9341a1d93b906e90053e15873edfbe792f47a7f3

    • SHA256

      ec9bd0165827dfe5cbde934168d583d2e62273e7b5c1d4d0854610209a8c00c2

    • SHA512

      7e8124572d51885ddbe291a7b1392d90ae080d71481cca6400fee8d03f64c7a1877c8a92c71fb2fee4a98c4383e4dae106143dbcf3fcf433f3d8925729ba80b0

    • SSDEEP

      6144:EjPoq+m41DgFfyDE3zYzbsZlKThQVJ71kchYxLlQxsDfzU/0EO:Ez+VWyDE3zgQZM1UkHtlQxsDfg/0EO

    • 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