Overview

overview

10

Static

static

3

JaffaCakes...70.exe

windows7-x64

10

JaffaCakes...70.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_4ec2425c50bb5b44d86c0403389a31de338ac53ebdbc184bfd68482bfd13fc70

  • Size

    837KB

  • Sample

    241225-zgb5wswray

  • MD5

    1f2621ad5f259c41db07928b3d0d44bf

  • SHA1

    d3dfd87a896838d453948449fe8cb49315ecb5f8

  • SHA256

    4ec2425c50bb5b44d86c0403389a31de338ac53ebdbc184bfd68482bfd13fc70

  • SHA512

    4b426e51c7bf011fe5314f9cd70756b67406a05da149a792746b4261c11081dd9b138672a1ca165242411592dec9434f58fcff24c26032f513b895fd0cc243d4

  • SSDEEP

    24576:4a5mcUmcYxofu+QjmUtnZgxLgvQUH/C9yMvKq:4a5TBUDUh6xLaYyf

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .tuid

  • offline_id

    LgcOIftV0dQfFBQStVNfb8BhHy8tHRPvXwSiFwt1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://fuyt.org/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-FglTTmgzZT 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: 0440tOjkfd

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_4ec2425c50bb5b44d86c0403389a31de338ac53ebdbc184bfd68482bfd13fc70

    • Size

      837KB

    • MD5

      1f2621ad5f259c41db07928b3d0d44bf

    • SHA1

      d3dfd87a896838d453948449fe8cb49315ecb5f8

    • SHA256

      4ec2425c50bb5b44d86c0403389a31de338ac53ebdbc184bfd68482bfd13fc70

    • SHA512

      4b426e51c7bf011fe5314f9cd70756b67406a05da149a792746b4261c11081dd9b138672a1ca165242411592dec9434f58fcff24c26032f513b895fd0cc243d4

    • SSDEEP

      24576:4a5mcUmcYxofu+QjmUtnZgxLgvQUH/C9yMvKq:4a5TBUDUh6xLaYyf

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Djvu family

      djvu

    • 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