Overview

overview

10

Static

static

3

JaffaCakes...5f.exe

windows7-x64

10

JaffaCakes...5f.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_3981a16eb4ef5e1c2d97d708420ac73f53b8569adef4e88c8df9ff9166613a5f

  • Size

    833KB

  • Sample

    241222-jh4zaszjhv

  • MD5

    76986b9982ec8ce988467ea9b5c15734

  • SHA1

    7ec7651244c50b5bc9445540347475104da96417

  • SHA256

    3981a16eb4ef5e1c2d97d708420ac73f53b8569adef4e88c8df9ff9166613a5f

  • SHA512

    8142d5e0a7837733e1d71298588613b31f6c20a340365d6f34e77131e98882933ab29624c65b7c44b4279bf4fc3fd02598c1d185f97eeaddbf4ff5237a847c18

  • SSDEEP

    12288:QXSm4PokKKNZ00nOf9sgI+LE0Qas8g28P89M1sNaOamKBJYunnwR:wSnKoZpkLLrP5M0YrJzwR

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wdlo

  • offline_id

    i0fXrUHVihm5xsI9Icg243YMPJqd748Ocimkyjt1

  • 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-0S984cQ4B3 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: 0430JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_3981a16eb4ef5e1c2d97d708420ac73f53b8569adef4e88c8df9ff9166613a5f

    • Size

      833KB

    • MD5

      76986b9982ec8ce988467ea9b5c15734

    • SHA1

      7ec7651244c50b5bc9445540347475104da96417

    • SHA256

      3981a16eb4ef5e1c2d97d708420ac73f53b8569adef4e88c8df9ff9166613a5f

    • SHA512

      8142d5e0a7837733e1d71298588613b31f6c20a340365d6f34e77131e98882933ab29624c65b7c44b4279bf4fc3fd02598c1d185f97eeaddbf4ff5237a847c18

    • SSDEEP

      12288:QXSm4PokKKNZ00nOf9sgI+LE0Qas8g28P89M1sNaOamKBJYunnwR:wSnKoZpkLLrP5M0YrJzwR

    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