Overview

overview

10

Static

static

3

JaffaCakes...b7.exe

windows7-x64

10

JaffaCakes...b7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7

  • Size

    761KB

  • Sample

    241228-3kddxavpcs

  • MD5

    b38e292459938c29c4aa68e5bcb894d3

  • SHA1

    abcdd9e2cc181d22695b0657d8d15a1ad3475af9

  • SHA256

    9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7

  • SHA512

    a62ebeaaebfcf9168b282405bc6949f9255d3a1a11d15756060b34f2c882a8e245a947f73d9bc2a844ff47b37ec9d321bb734654d1ff572a6d9abbf3fc17e3e4

  • SSDEEP

    12288:NUp716xoCOQ7cgGkSQakywRZybKB9rNtoCiYanX+64tG5ONW2flT+:656xoCD7c11QFRpXrwv3nXceONlT+

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .dmay

  • offline_id

    Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1

  • 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-FT7BNVbXC9 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: 0458JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7

    • Size

      761KB

    • MD5

      b38e292459938c29c4aa68e5bcb894d3

    • SHA1

      abcdd9e2cc181d22695b0657d8d15a1ad3475af9

    • SHA256

      9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7

    • SHA512

      a62ebeaaebfcf9168b282405bc6949f9255d3a1a11d15756060b34f2c882a8e245a947f73d9bc2a844ff47b37ec9d321bb734654d1ff572a6d9abbf3fc17e3e4

    • SSDEEP

      12288:NUp716xoCOQ7cgGkSQakywRZybKB9rNtoCiYanX+64tG5ONW2flT+:656xoCD7c11QFRpXrwv3nXceONlT+

    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