General

  • Target

    6a29ad0875e10f90cc6f55458e76f60b06a02da68ed6dcd8c9f856872ab2f053.exe

  • Size

    293KB

  • Sample

    240916-h8r7ravhjk

  • MD5

    2cc2bd304829360c40a79c5156173cc5

  • SHA1

    d998655a0863734b4922c51209435333d7a7b940

  • SHA256

    6a29ad0875e10f90cc6f55458e76f60b06a02da68ed6dcd8c9f856872ab2f053

  • SHA512

    06b9e2844a9332f135542ed3dfcd356225d7c1fe987a919a0df11fd5209242edc751a5ac181aafcfaa487b8e59f81f9f07af70f0f59f6bd1b8d2c131b0060f44

  • SSDEEP

    6144:kgBofTlaXr7498jq34VVgKzIZ8GkQ15OcqZwRyOEhqDmPyUgW7M9UhrEW/IEO:kdfZaXEyVgKqoQ15OcqZ+5E8cgcmjWwt

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

      6a29ad0875e10f90cc6f55458e76f60b06a02da68ed6dcd8c9f856872ab2f053.exe

    • Size

      293KB

    • MD5

      2cc2bd304829360c40a79c5156173cc5

    • SHA1

      d998655a0863734b4922c51209435333d7a7b940

    • SHA256

      6a29ad0875e10f90cc6f55458e76f60b06a02da68ed6dcd8c9f856872ab2f053

    • SHA512

      06b9e2844a9332f135542ed3dfcd356225d7c1fe987a919a0df11fd5209242edc751a5ac181aafcfaa487b8e59f81f9f07af70f0f59f6bd1b8d2c131b0060f44

    • SSDEEP

      6144:kgBofTlaXr7498jq34VVgKzIZ8GkQ15OcqZwRyOEhqDmPyUgW7M9UhrEW/IEO:kdfZaXEyVgKqoQ15OcqZ+5E8cgcmjWwt

    • 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