Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Resubmissions

12/05/2024, 21:30

240512-1cjvlsbc69 10

12/05/2024, 21:24

240512-z9hs5sgb3t 10

12/05/2024, 19:58

240512-yqasragh24 10

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General

  • Target

    2bd6f0743a3ecab9f463af0a244ccf98bcc0fe5a3f28f048dbb15112e5a214ff

  • Size

    732KB

  • Sample

    240512-yqasragh24

  • MD5

    cc552b395d413f2aa065846c3e01fa9c

  • SHA1

    eaea89d0ee044e537e224c6e128e54ca4447e7a2

  • SHA256

    2bd6f0743a3ecab9f463af0a244ccf98bcc0fe5a3f28f048dbb15112e5a214ff

  • SHA512

    55435dcc2813f6242cca6c444c2288676de691c31f89c4f6bb01775e5f8edd91d848d359054eff5d37e7bd96eb1679c74f9be3b7503e20e6f7b670ca7059a348

  • SSDEEP

    12288:9GBVPi9/6zy/CfGymlA8oCrFgAW/7pI1fLd7HAdf5RT0IyD:9G+6z8VFr+Aq78fROw

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .paaa

  • offline_id

    QpSpHegISEXzDsMT78wU4MUmX8Ptl2rkBOQjG2t1

  • payload_url

  • 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/33b490a613f49fa190924f199d2c079e20240512191214/caaf73 Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0870PsawqS

rsa_pubkey.plain

Targets

    • Target

      2bd6f0743a3ecab9f463af0a244ccf98bcc0fe5a3f28f048dbb15112e5a214ff

    • Size

      732KB

    • MD5

      cc552b395d413f2aa065846c3e01fa9c

    • SHA1

      eaea89d0ee044e537e224c6e128e54ca4447e7a2

    • SHA256

      2bd6f0743a3ecab9f463af0a244ccf98bcc0fe5a3f28f048dbb15112e5a214ff

    • SHA512

      55435dcc2813f6242cca6c444c2288676de691c31f89c4f6bb01775e5f8edd91d848d359054eff5d37e7bd96eb1679c74f9be3b7503e20e6f7b670ca7059a348

    • SSDEEP

      12288:9GBVPi9/6zy/CfGymlA8oCrFgAW/7pI1fLd7HAdf5RT0IyD:9G+6z8VFr+Aq78fROw

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Renames multiple (136) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • 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