Overview

overview

10

Static

static

3

JaffaCakes...b9.exe

windows7-x64

10

JaffaCakes...b9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9

  • Size

    757KB

  • Sample

    241225-whltya1pak

  • MD5

    ecbe71acc090c1bb8e77118f01f6c2b9

  • SHA1

    ba7d46467e5da6176db5df8f74cc905391d806fd

  • SHA256

    8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9

  • SHA512

    e54c6f08eef65cf1629ad88e660230215c9c8583b9fb93190cece199aa88bbe1fd60a940ee9ae6656e370c3eec5bab69cfcd2ca7c029be31c7b73ca9085719cf

  • SSDEEP

    12288:GneHdHA9ep0dkhbl6+NQ/d/ms/cju+nad/v8Wvf9GYxfDwOMO+9+C1JMbk45+Hk:jHJpCWzN+/Venad/v8Wv6OL+9bgk45+

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tuid

  • offline_id

    LgcOIftV0dQfFBQStVNfb8BhHy8tHRPvXwSiFwt1

  • 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-FglTTmgzZT 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: 0440tOjkfd

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9

    • Size

      757KB

    • MD5

      ecbe71acc090c1bb8e77118f01f6c2b9

    • SHA1

      ba7d46467e5da6176db5df8f74cc905391d806fd

    • SHA256

      8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9

    • SHA512

      e54c6f08eef65cf1629ad88e660230215c9c8583b9fb93190cece199aa88bbe1fd60a940ee9ae6656e370c3eec5bab69cfcd2ca7c029be31c7b73ca9085719cf

    • SSDEEP

      12288:GneHdHA9ep0dkhbl6+NQ/d/ms/cju+nad/v8Wvf9GYxfDwOMO+9+C1JMbk45+Hk:jHJpCWzN+/Venad/v8Wv6OL+9bgk45+

    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