Overview

overview

10

Static

static

3

JaffaCakes...c4.exe

windows7-x64

10

JaffaCakes...c4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4

  • Size

    799KB

  • Sample

    241229-dwt4cs1lgs

  • MD5

    54f29d2eae55171f2825afcd52d668cb

  • SHA1

    72af362b1bb2dcdfa29aac1b1dc08e817fc04053

  • SHA256

    3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4

  • SHA512

    4a42b4963c287fb1cdf0cb268dff45cbf1a3f1c65f979ef0375719fab1bc0faccf35290a0ec5a56b038eff547c4ba72873acb5f8c3872dc793f0aa2f9086631c

  • SSDEEP

    12288:gQh6PkdeNtuBUZbo1s2Eeom0DU6oDqSehEQQcg547Bl/SIWHkDuL4:HGMeNtuBgbomxmqcmy5FIGkDuL

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .nuhb

  • 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: 0453Jbdio

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4

    • Size

      799KB

    • MD5

      54f29d2eae55171f2825afcd52d668cb

    • SHA1

      72af362b1bb2dcdfa29aac1b1dc08e817fc04053

    • SHA256

      3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4

    • SHA512

      4a42b4963c287fb1cdf0cb268dff45cbf1a3f1c65f979ef0375719fab1bc0faccf35290a0ec5a56b038eff547c4ba72873acb5f8c3872dc793f0aa2f9086631c

    • SSDEEP

      12288:gQh6PkdeNtuBUZbo1s2Eeom0DU6oDqSehEQQcg547Bl/SIWHkDuL4:HGMeNtuBgbomxmqcmy5FIGkDuL

    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