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General

  • Target

    a10c9e9156eeb23374481f0edfa28ea8.bin

  • Size

    194KB

  • Sample

    240821-b3kr6atfla

  • MD5

    32ca5976d940839fc744b265078a4e06

  • SHA1

    7dd0ea749e2c6477c1c8ddfc187f5fa4f8c2db22

  • SHA256

    9928a3f66da4cf4607abe2fa9f7645dcb2cb0a81ca081be1ff1a43a9dae0ee0c

  • SHA512

    e4c77a1c85937701e1ac2c3e501eb37b383ce84d5163b6787e6613d23cc9887b7dd4560f81a5c2a92d70604216dfb90ad394a0a27a83a46eebe665c3b475df9c

  • SSDEEP

    3072:7iBI7VEAXrf8X3Rp38spFohPxdjixOPekgr5O4HfhAAZ0nMcBljPoVdNnMP:7i1irIRmspyxx1lYZHZ90MyJEk

Malware Config

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199751190313

https://t.me/pech0nk

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Targets

    • Target

      bf2a40a57140c97f9ea2f587fd21f0c1df4ba22222e93dba9bc3fdb705937da5.exe

    • Size

      200KB

    • MD5

      a10c9e9156eeb23374481f0edfa28ea8

    • SHA1

      9a19741b0778e0329358e8900eea28bfacadc233

    • SHA256

      bf2a40a57140c97f9ea2f587fd21f0c1df4ba22222e93dba9bc3fdb705937da5

    • SHA512

      233e7b02a8e2f8ffa6612a696d52bef47585c1be2045f98ddd046d030f40d68730a750dcfbf3b46c6ade1472876941cea6cc378a9fcf81a257769c228afa570e

    • SSDEEP

      3072:NPRoEqk7T3xZYd1G+zEoJjNnAFD9wuuZmN5kVOLBNzWHt5oPDJk2SGF+/iMlrKYp:bxXQ1xJZnAFD/imThNiN5oPDlF+K2EO

    • 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.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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