Overview

overview

10

Static

static

3

JaffaCakes...53.exe

windows7-x64

10

JaffaCakes...53.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_cdb86e59ded4e3b41cad8c08f79ebd77a200fde95b0f333f02b74dac44b0b353

  • Size

    800KB

  • Sample

    241223-vtp53awkcr

  • MD5

    215ef8c9fd78b2413067cafab6c84f40

  • SHA1

    47cbc8b9298d6a43c6699b6ce8325951f0d98a9b

  • SHA256

    cdb86e59ded4e3b41cad8c08f79ebd77a200fde95b0f333f02b74dac44b0b353

  • SHA512

    0b92f976679f49d988cf9755ee0372394ae875eda3f4a1423509f22f1c365be2641cecf7c560d37343fcc222a13a7ed00e8d74b240ded7c6aa6ad951ec22f5fb

  • SSDEEP

    24576:vXCb54N1CCEjoQjyLonWTbemE7GKBOMcy:vXcaN1M5ooWTbqNBU

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .nuhb

  • offline_id

    PfLhykvDxmCghCq8peuxBtQ3c0QBuANi8WUkuet1

  • 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-c565B1ILoZ 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: 0453Jbdio

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_cdb86e59ded4e3b41cad8c08f79ebd77a200fde95b0f333f02b74dac44b0b353

    • Size

      800KB

    • MD5

      215ef8c9fd78b2413067cafab6c84f40

    • SHA1

      47cbc8b9298d6a43c6699b6ce8325951f0d98a9b

    • SHA256

      cdb86e59ded4e3b41cad8c08f79ebd77a200fde95b0f333f02b74dac44b0b353

    • SHA512

      0b92f976679f49d988cf9755ee0372394ae875eda3f4a1423509f22f1c365be2641cecf7c560d37343fcc222a13a7ed00e8d74b240ded7c6aa6ad951ec22f5fb

    • SSDEEP

      24576:vXCb54N1CCEjoQjyLonWTbemE7GKBOMcy:vXcaN1M5ooWTbqNBU

    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