General

  • Target

    https://cdn.discordapp.com/attachments/1101143800337944676/1258898472346587146/IPlogger.zip?ex=6689b811&is=66886691&hm=80b48cad4006d97c2f83fc949a40550d127a3b508548614caa8808961def4e6d&

  • Sample

    240705-1f1mjayfkh

Malware Config

Extracted

Family

vidar

C2

https://t.me/bu77un

https://steamcommunity.com/profiles/76561199730044335

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Targets

    • Target

      https://cdn.discordapp.com/attachments/1101143800337944676/1258898472346587146/IPlogger.zip?ex=6689b811&is=66886691&hm=80b48cad4006d97c2f83fc949a40550d127a3b508548614caa8808961def4e6d&

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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.

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks