General

  • Target

    https://download2341.mediafire.com/0ew28hp7lpbgbv4QfNKRiItaiWpLBTpeUyVywzcNVQ6Asp661aZeeTk5fbs3HZ3aVXz2DigQhBG66V2XfWyQY8IGRvKXbE2of4mYro4J1qJ2WcaYol7C8t47gyYzsC8RqpmIisqfZe1Pmgnkd0JXDaenl0Q9srQCyQwbCj0P7hFGfKo/7l4wfp568n5lqkt/S0FTWARE.rar

  • Sample

    240918-x4t8wayflf

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/

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

      https://download2341.mediafire.com/0ew28hp7lpbgbv4QfNKRiItaiWpLBTpeUyVywzcNVQ6Asp661aZeeTk5fbs3HZ3aVXz2DigQhBG66V2XfWyQY8IGRvKXbE2of4mYro4J1qJ2WcaYol7C8t47gyYzsC8RqpmIisqfZe1Pmgnkd0JXDaenl0Q9srQCyQwbCj0P7hFGfKo/7l4wfp568n5lqkt/S0FTWARE.rar

    • Detect Vidar Stealer

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks