Overview

overview

10

Static

static

3

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    file.exe
  • Size 805KB
  • Sample230507-ajbvgadc8y
  • SHA256 3fc5ec3d73e71e85e59c72759b672017bd71f79e2f00b87635ecfecdaec9b3a8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

  • djvu

C2

  • http://zexeq.com/test1/get.php

Attributes
  • extension

    .qopz

  • offline_id

    dp2XHHJytO0BDSHTEAkoGB97DSSLD0rheNyRBit1

  • payload_url

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

    http://zexeq.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. You can get and look video overview decrypt tool: https://we.tl/t-KOKbb3hd7U Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0702Sdeb

rsa_pubkey.plain

Targets

    • Target
      file.exe
    • Size 805KB
    • SHA256 3fc5ec3d73e71e85e59c72759b672017bd71f79e2f00b87635ecfecdaec9b3a8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    djvuransomwarediscoverypersistence

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • 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 v6

Tasks