Overview

overview

10

Static

static

197f5a4cb7...c7.exe

windows7_x64

10

197f5a4cb7...c7.exe

windows10_x64

10

Sharing

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General

  • Target
    197f5a4cb71e38ea7b56bd1214fbbfc7.exe
  • Size 729KB
  • Sample210714-vbja2c8phj
  • SHA256 f8b60e554ed303e2debe7422bb363dcc33ace171d02388bce2e8ab5ce5364f5d
  • MD5 SHA1 SHA512
Score
10/10
vidar517discoverypersistenceransomwarespywarestealer

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-tkon5qUcfl 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: 0316ewgfDdOcMcAt2OQZqFzJadYhow9MqoFd992adkvAnhUo2b
URLs

  • https://we.tl/t-tkon5qUcfl

Extracted

Family

  • vidar

Version

  • 39.5

Botnet

  • 517

C2

  • https://olegf9844.tumblr.com/

Attributes
  • profile_id

    517

Targets

    • Target
      197f5a4cb71e38ea7b56bd1214fbbfc7.exe
    • Size 729KB
    • SHA256 f8b60e554ed303e2debe7422bb363dcc33ace171d02388bce2e8ab5ce5364f5d
    • MD5 SHA1 SHA512
    Score
    10/10
    vidar517discoverypersistenceransomwarespywarestealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Vidar Stealer

      stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks