Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    402974354c83adff4b344be72a0acfabe08d83ed941a7a1e4deaac06a0a62dda

  • Size

    701KB

  • Sample

    240404-3bwtwsea57

  • MD5

    5cb347e8534e0350133cf23a06c5b9ca

  • SHA1

    60a266752205d42578702aa9ae944842faf50baf

  • SHA256

    402974354c83adff4b344be72a0acfabe08d83ed941a7a1e4deaac06a0a62dda

  • SHA512

    e58f3871f0fe9429455448a97fa5fcf4586fac82a05314ad6cb4a005bf5dede79fcd198e28b752031dfdbdf5fd36860f962d57ad22f14ed77b0ca1d9051b7a9d

  • SSDEEP

    12288:5ZcAj1/yzE7vpVZEAWK6w20JOXiiP8OX8N7kd4s3ZsU/L+W+R3+f:5ZcqoqlJ1R204vOvs3Zsa6R3+f

Score
10/10
djvuvidardiscoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uazq

  • offline_id

    Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1

  • 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/df01994dd8d37c2c33469922f8e7155a20240402134014/fd95b0 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: 0860PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199662282318

https://t.me/t8jmhl
Attributes
  • 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 OPR/108.0.0.0

Targets

    • Target

      402974354c83adff4b344be72a0acfabe08d83ed941a7a1e4deaac06a0a62dda

    • Size

      701KB

    • MD5

      5cb347e8534e0350133cf23a06c5b9ca

    • SHA1

      60a266752205d42578702aa9ae944842faf50baf

    • SHA256

      402974354c83adff4b344be72a0acfabe08d83ed941a7a1e4deaac06a0a62dda

    • SHA512

      e58f3871f0fe9429455448a97fa5fcf4586fac82a05314ad6cb4a005bf5dede79fcd198e28b752031dfdbdf5fd36860f962d57ad22f14ed77b0ca1d9051b7a9d

    • SSDEEP

      12288:5ZcAj1/yzE7vpVZEAWK6w20JOXiiP8OX8N7kd4s3ZsU/L+W+R3+f:5ZcqoqlJ1R204vOvs3Zsa6R3+f

    Score
    10/10
    djvuvidardiscoverypersistenceransomwarestealer

    • 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