Overview

overview

10

Static

static

3

d8e5138053...87.exe

windows11-21h2-x64

10

Resubmissions

01/05/2024, 16:33

240501-t2ylqsde36 10

01/05/2024, 16:27

240501-tydgdsbb3x 10

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General

  • Target

    d8e513805340e6ebde9c9077b2294a88b595a793c37bdf8932cfd0f1df035a87

  • Size

    788KB

  • Sample

    240501-t2ylqsde36

  • MD5

    c641ebe0860ec916c15348c0b66bb458

  • SHA1

    d1bab1c3e79dccefc7da9e812288d0b5c9649c59

  • SHA256

    d8e513805340e6ebde9c9077b2294a88b595a793c37bdf8932cfd0f1df035a87

  • SHA512

    b898ae8305ccb4bdfbb6f456c7bd442b1166a0347920e2356673ca4995f439c54e08c2242ddabd0493cab11e841ee4704aed2f4e93a6ccd5aa4e1d347a1b1d4f

  • SSDEEP

    12288:mAO0pTRoaZ/6t4rYY85QHsVRfKm3+OAGzUKkCQy3Hv/f8O:mkpVp/jfvQAK+lGzUKkCQ2/3

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bgjs

  • 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: 0863PsawqS

rsa_pubkey.plain

Targets

    • Target

      d8e513805340e6ebde9c9077b2294a88b595a793c37bdf8932cfd0f1df035a87

    • Size

      788KB

    • MD5

      c641ebe0860ec916c15348c0b66bb458

    • SHA1

      d1bab1c3e79dccefc7da9e812288d0b5c9649c59

    • SHA256

      d8e513805340e6ebde9c9077b2294a88b595a793c37bdf8932cfd0f1df035a87

    • SHA512

      b898ae8305ccb4bdfbb6f456c7bd442b1166a0347920e2356673ca4995f439c54e08c2242ddabd0493cab11e841ee4704aed2f4e93a6ccd5aa4e1d347a1b1d4f

    • SSDEEP

      12288:mAO0pTRoaZ/6t4rYY85QHsVRfKm3+OAGzUKkCQy3Hv/f8O:mkpVp/jfvQAK+lGzUKkCQ2/3

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Renames multiple (184) files with added filename extension

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

      ransomware

    • 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

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks