Overview

overview

10

Static

static

3

JaffaCakes...e2.exe

windows7-x64

10

JaffaCakes...e2.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_5f1667cc07b5b10456ba5f14253279935af020ae206e8030e49e97ddd7bbfce2

  • Size

    761KB

  • Sample

    241222-f853hawlbq

  • MD5

    e3e4f2700cbc9ff72c7dd11e6f60f791

  • SHA1

    939b9755c8a76956d603f3f051d01358cd10f390

  • SHA256

    5f1667cc07b5b10456ba5f14253279935af020ae206e8030e49e97ddd7bbfce2

  • SHA512

    ff232d8179e11d31fa5d9acd774ccac8a3c79fee4659616bd5093ebe7505bd69793e068b94b7d43ebf99b29670f3d14dd3e813ecac39d7826ac8d4064b196b6d

  • SSDEEP

    12288:LFY2aF53alBO33jvolgHLTrjgQGj9j77lOsIW/oUCdr3D6fGwAknnxkm:i2aiz6drvj1yZIsIso5rEzkm

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_5f1667cc07b5b10456ba5f14253279935af020ae206e8030e49e97ddd7bbfce2

    • Size

      761KB

    • MD5

      e3e4f2700cbc9ff72c7dd11e6f60f791

    • SHA1

      939b9755c8a76956d603f3f051d01358cd10f390

    • SHA256

      5f1667cc07b5b10456ba5f14253279935af020ae206e8030e49e97ddd7bbfce2

    • SHA512

      ff232d8179e11d31fa5d9acd774ccac8a3c79fee4659616bd5093ebe7505bd69793e068b94b7d43ebf99b29670f3d14dd3e813ecac39d7826ac8d4064b196b6d

    • SSDEEP

      12288:LFY2aF53alBO33jvolgHLTrjgQGj9j77lOsIW/oUCdr3D6fGwAknnxkm:i2aiz6drvj1yZIsIso5rEzkm

    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