Overview

overview

10

Static

static

3

JaffaCakes...2f.exe

windows7-x64

10

JaffaCakes...2f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f

  • Size

    761KB

  • Sample

    241230-yeyensvrek

  • MD5

    509b149290b67586e700eb2007ece40c

  • SHA1

    0844065732f8e76a481f6a3f014b5e0c7136c95f

  • SHA256

    71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f

  • SHA512

    c159e5232669ad6c0bfa8d4548b1f8dec789ded076aa0c4736dea14c5071ecc86a3f89e913cfc16abcd76d50b17081d84bdcad3615664a83fa8d1eb44bfc335a

  • SSDEEP

    12288:SYHmVgJHqusSCjSxF0/iDz4BjOr80h2wZLyYesqpAPdBm4TNU9NEu:dmVBus1jURDznA0zZWXd4SYu

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_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f

    • Size

      761KB

    • MD5

      509b149290b67586e700eb2007ece40c

    • SHA1

      0844065732f8e76a481f6a3f014b5e0c7136c95f

    • SHA256

      71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f

    • SHA512

      c159e5232669ad6c0bfa8d4548b1f8dec789ded076aa0c4736dea14c5071ecc86a3f89e913cfc16abcd76d50b17081d84bdcad3615664a83fa8d1eb44bfc335a

    • SSDEEP

      12288:SYHmVgJHqusSCjSxF0/iDz4BjOr80h2wZLyYesqpAPdBm4TNU9NEu:dmVBus1jURDznA0zZWXd4SYu

    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