Overview

overview

10

Static

static

3

JaffaCakes...2d.exe

windows7-x64

10

JaffaCakes...2d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_28991f0b0323363b19cea3184f8bfede6de600e61ae3763c05a55db2c6ae352d

  • Size

    767KB

  • Sample

    241229-dnmz3s1jfz

  • MD5

    520a9e0aab30e7ba475eeaa7b8e51e1c

  • SHA1

    cd735396941cec394eec00c8849a18fa6e10ade9

  • SHA256

    28991f0b0323363b19cea3184f8bfede6de600e61ae3763c05a55db2c6ae352d

  • SHA512

    6d01df7f6933b071f54dd93b3e83d59cbb6f8325a6a0448ebcef94bddc75d0468eb020dcf4a89eeb6974b2f9a30b5a893ee9711c63e1a2668936833ce21b9d95

  • SSDEEP

    12288:wHh5UiA4FgFp7aFIGUlP3M7b5QYyWBqw+AjZ181tsu6XE2Ux4:w3Umg2GDlwTqw+ui1i5b

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .udla

  • offline_id

    qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1

  • 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-fnn5kv33Vv 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: 0435JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_28991f0b0323363b19cea3184f8bfede6de600e61ae3763c05a55db2c6ae352d

    • Size

      767KB

    • MD5

      520a9e0aab30e7ba475eeaa7b8e51e1c

    • SHA1

      cd735396941cec394eec00c8849a18fa6e10ade9

    • SHA256

      28991f0b0323363b19cea3184f8bfede6de600e61ae3763c05a55db2c6ae352d

    • SHA512

      6d01df7f6933b071f54dd93b3e83d59cbb6f8325a6a0448ebcef94bddc75d0468eb020dcf4a89eeb6974b2f9a30b5a893ee9711c63e1a2668936833ce21b9d95

    • SSDEEP

      12288:wHh5UiA4FgFp7aFIGUlP3M7b5QYyWBqw+AjZ181tsu6XE2Ux4:w3Umg2GDlwTqw+ui1i5b

    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