Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

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General

  • Target

    76ece639e9534dda8bb427cdd008101add745469d70c9b283110782d9671f5d6

  • Size

    774KB

  • Sample

    240425-pwbgssag3y

  • MD5

    6c79509cb1dc8f982b6b8f7deed98a00

  • SHA1

    7d9037f74c750296ef00320cf86018759aa9a7ce

  • SHA256

    76ece639e9534dda8bb427cdd008101add745469d70c9b283110782d9671f5d6

  • SHA512

    7994281fd7a745fa5f96d5e2dab9021daf4bb29555b97004fd05e6cd82c461936326430fc3683ee86151177d1940fe20adab1d76226654fa465afd3e1307e3a9

  • SSDEEP

    12288:32/iDq9TcMt+4irSm1zoP+uKLiTkxQODS9S9orhM+H6ZCcAz:32/2Ic14szmKLiTUQ8SIoLgC3

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bgzq

  • offline_id

    Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1

  • payload_url

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

    http://cajgtus.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/54cdfd152fe98eedb628a1f4ddb7076420240421150208/403a27 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: 0864PsawqS

rsa_pubkey.plain

Targets

    • Target

      76ece639e9534dda8bb427cdd008101add745469d70c9b283110782d9671f5d6

    • Size

      774KB

    • MD5

      6c79509cb1dc8f982b6b8f7deed98a00

    • SHA1

      7d9037f74c750296ef00320cf86018759aa9a7ce

    • SHA256

      76ece639e9534dda8bb427cdd008101add745469d70c9b283110782d9671f5d6

    • SHA512

      7994281fd7a745fa5f96d5e2dab9021daf4bb29555b97004fd05e6cd82c461936326430fc3683ee86151177d1940fe20adab1d76226654fa465afd3e1307e3a9

    • SSDEEP

      12288:32/iDq9TcMt+4irSm1zoP+uKLiTkxQODS9S9orhM+H6ZCcAz:32/2Ic14szmKLiTUQ8SIoLgC3

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Checks computer location settings

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

    • 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