Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    33b7a85c7b3ba67d21e108440ea3a755639875314fce7c922865e723479aeb38

  • Size

    733KB

  • Sample

    240329-f7vv5sbe46

  • MD5

    cc4b213535ca360dbf9d08590939972d

  • SHA1

    a1ac443d9c2f2a809b01fc7968235a9b9992f89b

  • SHA256

    33b7a85c7b3ba67d21e108440ea3a755639875314fce7c922865e723479aeb38

  • SHA512

    9de6129de378164c5454a8833a31bbaeb9c7718d9f149a141d014c72a55d25207be7826124def4fd7e2a02e9178287e5ac912c9bc0abcbf896ebf3311ea77eb3

  • SSDEEP

    12288:JThD1MeTzOPkBzB7oPKKNw69/i9/ZpvItFAcnFU+8RnSmLG9WgbvZGXYLbbn:JTvfOPkBzhMbe69/Y/ZpwtC4R8R6Wgbx

Score
10/10
djvuvidar5739ef2bbcd39fcd59c5746bfe4238c5discoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

http://sajdfue.com/test1/get.php

Attributes
  • extension

    .vook

  • offline_id

    1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1

  • 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/3ed7a617738550b0a00c5aa231c0752020240316170955/d71ce1 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: 0857PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

Version

8.6

Botnet

5739ef2bbcd39fcd59c5746bfe4238c5

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok
Attributes
  • profile_id_v2

    5739ef2bbcd39fcd59c5746bfe4238c5

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Targets

    • Target

      33b7a85c7b3ba67d21e108440ea3a755639875314fce7c922865e723479aeb38

    • Size

      733KB

    • MD5

      cc4b213535ca360dbf9d08590939972d

    • SHA1

      a1ac443d9c2f2a809b01fc7968235a9b9992f89b

    • SHA256

      33b7a85c7b3ba67d21e108440ea3a755639875314fce7c922865e723479aeb38

    • SHA512

      9de6129de378164c5454a8833a31bbaeb9c7718d9f149a141d014c72a55d25207be7826124def4fd7e2a02e9178287e5ac912c9bc0abcbf896ebf3311ea77eb3

    • SSDEEP

      12288:JThD1MeTzOPkBzB7oPKKNw69/i9/ZpvItFAcnFU+8RnSmLG9WgbvZGXYLbbn:JTvfOPkBzhMbe69/Y/ZpwtC4R8R6Wgbx

    Score
    10/10
    djvuvidar5739ef2bbcd39fcd59c5746bfe4238c5discoverypersistenceransomwarestealer

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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