Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    1f5ae695f8e423da25f7247410119055e1834f05946bd5e9e2541fd16d58dedb

  • Size

    736KB

  • Sample

    240315-bch6mscf31

  • MD5

    6bd4412c317dafc8c0de886c4553ea57

  • SHA1

    5a846c63e58110aec0076f2fb301861b561c5888

  • SHA256

    1f5ae695f8e423da25f7247410119055e1834f05946bd5e9e2541fd16d58dedb

  • SHA512

    893d4d8703fdacf661fb0859af2a9c13afc003df42b3f4259745b911a6f39f9196fecf9616474f5975f560a8cde286c942ccca6f28b923f74ded213a2b94872e

  • SSDEEP

    12288:WOaU5Y0+wR9ef6zDRmOzuWDu/maYis9AOfLRkvvezLaGgTlOj2LXpv:5an0+IkSzDRXiWEmam9AyLR0vezeGqlr

Score
10/10
djvuvidar82df9629d6ef6fc7fe54d6eb2bc6137bdiscoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

http://sajdfue.com/test2/get.php

Attributes
  • extension

    .kool

  • offline_id

    4p0Nzrg1q0ND5of5Gtp2UBjthSXuE8VxnMrd4vt1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://sajdfue.com/files/1/build3.exe

  • ransomnote

    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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/a832401adcd58098c699f768ffea4f1720240305114308/7e601a Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0856PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

Version

8.3

Botnet

82df9629d6ef6fc7fe54d6eb2bc6137b

C2

https://steamcommunity.com/profiles/76561199651834633

https://t.me/raf6ik
Attributes
  • profile_id_v2

    82df9629d6ef6fc7fe54d6eb2bc6137b

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; rv:109.0) Gecko/20100101 Firefox/115.0

Targets

    • Target

      1f5ae695f8e423da25f7247410119055e1834f05946bd5e9e2541fd16d58dedb

    • Size

      736KB

    • MD5

      6bd4412c317dafc8c0de886c4553ea57

    • SHA1

      5a846c63e58110aec0076f2fb301861b561c5888

    • SHA256

      1f5ae695f8e423da25f7247410119055e1834f05946bd5e9e2541fd16d58dedb

    • SHA512

      893d4d8703fdacf661fb0859af2a9c13afc003df42b3f4259745b911a6f39f9196fecf9616474f5975f560a8cde286c942ccca6f28b923f74ded213a2b94872e

    • SSDEEP

      12288:WOaU5Y0+wR9ef6zDRmOzuWDu/maYis9AOfLRkvvezLaGgTlOj2LXpv:5an0+IkSzDRXiWEmam9AyLR0vezeGqlr

    Score
    10/10
    djvuvidar82df9629d6ef6fc7fe54d6eb2bc6137bdiscoverypersistenceransomwarestealer

    • Detect Vidar Stealer

      stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • 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 v15

Tasks