General

  • Target
    7af67758fb6927cdcbafac6523afccd2.exe
  • Size 761KB
  • Sample210706-e132r1tjbe
  • SHA256 d0da8d292459d68df7dbbd65379e80e970b79f93307f05aca7b95e967ad86d52
  • MD5 SHA1 SHA512

Malware Config

Extracted

Path
  • C:\_readme.txt

Ransom Note
  • ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-fhnNOAYC8Z Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0312ewgfDdOcMcAt2OQZqFzJadYhow9MqoFd992adkvAnhUo2b
URLs
  • https://we.tl/t-fhnNOAYC8Z

Extracted

Family
  • vidar

Version
  • 39.4

Botnet
  • 517

C2
  • https://sergeevih43.tumblr.com

Attributes
  • profile_id

    517

Targets

    • Target
      7af67758fb6927cdcbafac6523afccd2.exe
    • Size 761KB
    • SHA256 d0da8d292459d68df7dbbd65379e80e970b79f93307f05aca7b95e967ad86d52
    • MD5 SHA1 SHA512
    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks