Overview

overview

10

Static

static

3

JaffaCakes...95.exe

windows7-x64

10

JaffaCakes...95.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_4f6d6341563673231a3ba83b0b072c299715d03bc1c4e0f551deaf3d7fbed895

  • Size

    838KB

  • Sample

    241223-xrgf9axrbw

  • MD5

    0c57d89bf577598602a4ec0bbe4c0e9f

  • SHA1

    344f99afb3c75a636fb49896fd8d3276ddd10f53

  • SHA256

    4f6d6341563673231a3ba83b0b072c299715d03bc1c4e0f551deaf3d7fbed895

  • SHA512

    c96479ca924628f36373a730e83d9526a6e87668d17b9ec869f58cae913a03109111e55def952528d83f9be3691659323c9a4e23b46a9c057b7cce21173d358e

  • SSDEEP

    24576:r8vlARmAIAHZtVbS7KodJUeNd8ymytfAPaKB:ov+RmAIAHnV+NdgQ

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_4f6d6341563673231a3ba83b0b072c299715d03bc1c4e0f551deaf3d7fbed895

    • Size

      838KB

    • MD5

      0c57d89bf577598602a4ec0bbe4c0e9f

    • SHA1

      344f99afb3c75a636fb49896fd8d3276ddd10f53

    • SHA256

      4f6d6341563673231a3ba83b0b072c299715d03bc1c4e0f551deaf3d7fbed895

    • SHA512

      c96479ca924628f36373a730e83d9526a6e87668d17b9ec869f58cae913a03109111e55def952528d83f9be3691659323c9a4e23b46a9c057b7cce21173d358e

    • SSDEEP

      24576:r8vlARmAIAHZtVbS7KodJUeNd8ymytfAPaKB:ov+RmAIAHnV+NdgQ

    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