Overview

overview

10

Static

static

3

JaffaCakes...90.exe

windows7-x64

10

JaffaCakes...90.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790

  • Size

    767KB

  • Sample

    241230-xyvx8axkgt

  • MD5

    899e1c3f850026d839107ada6e6a673d

  • SHA1

    0d28489d43132e492617e06b03b155d719a438b6

  • SHA256

    86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790

  • SHA512

    2dc69ef9b29fd0b0c7be11c6e05b73c1cd4e9eacc33ff524bbce96e1664883d34e6e3eaaab5c61ac0ce1bf0bdad06e89607fb5948fe699770e86c0b2f8456dd6

  • SSDEEP

    12288:wSmx99VFNxlHwC86Z0aK8zBRYz/432rPSESr3tGTTk73NSMnPeSmzOZQItckx:G99zT86uh8bnESEXTk73NSMnPeSAq3c4

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .dwqs

  • 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: 0450Jbdio

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790

    • Size

      767KB

    • MD5

      899e1c3f850026d839107ada6e6a673d

    • SHA1

      0d28489d43132e492617e06b03b155d719a438b6

    • SHA256

      86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790

    • SHA512

      2dc69ef9b29fd0b0c7be11c6e05b73c1cd4e9eacc33ff524bbce96e1664883d34e6e3eaaab5c61ac0ce1bf0bdad06e89607fb5948fe699770e86c0b2f8456dd6

    • SSDEEP

      12288:wSmx99VFNxlHwC86Z0aK8zBRYz/432rPSESr3tGTTk73NSMnPeSmzOZQItckx:G99zT86uh8bnESEXTk73NSMnPeSAq3c4

    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