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Overview

overview

10

Static

static

3

JaffaCakes...ff.exe

windows7-x64

10

JaffaCakes...ff.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_2608cca1d1e41da46b57bb980872800892f8fee2bc9d3ebfb8df5ec8a9a7d2ff

  • Size

    767KB

  • Sample

    241229-hvzdxawlgl

  • MD5

    a166eb129533ff066100521c83967fee

  • SHA1

    0aea2d705525c016d06231981dd40615962472b2

  • SHA256

    2608cca1d1e41da46b57bb980872800892f8fee2bc9d3ebfb8df5ec8a9a7d2ff

  • SHA512

    9b6c86d829a8c717323e410edf47a16d2ad12f73955f439686ccf84294b8824ee6ab225ce9beb68f9b7533cd5dc538da68f616df369a29b8b22f0b23866bf6f1

  • SSDEEP

    12288:qK7oNk9C8phXtqJ0gkcB4dqbuWYtGy/oPkK5d4qurCUbFKACSB9RGvgq:POGC8bBgzB4dqLi3oPBhUb0ACeRwg

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ghas

  • offline_id

    miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1

  • 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-0SLhZxAjRX 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: 0445JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_2608cca1d1e41da46b57bb980872800892f8fee2bc9d3ebfb8df5ec8a9a7d2ff

    • Size

      767KB

    • MD5

      a166eb129533ff066100521c83967fee

    • SHA1

      0aea2d705525c016d06231981dd40615962472b2

    • SHA256

      2608cca1d1e41da46b57bb980872800892f8fee2bc9d3ebfb8df5ec8a9a7d2ff

    • SHA512

      9b6c86d829a8c717323e410edf47a16d2ad12f73955f439686ccf84294b8824ee6ab225ce9beb68f9b7533cd5dc538da68f616df369a29b8b22f0b23866bf6f1

    • SSDEEP

      12288:qK7oNk9C8phXtqJ0gkcB4dqbuWYtGy/oPkK5d4qurCUbFKACSB9RGvgq:POGC8bBgzB4dqLi3oPBhUb0ACeRwg

    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