Overview

overview

10

Static

static

3

JaffaCakes...c5.exe

windows7-x64

10

JaffaCakes...c5.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5

  • Size

    783KB

  • Sample

    241222-nsmvzsxjgm

  • MD5

    2adedc39f822fa5e267cf3891af3fe2d

  • SHA1

    a2660f71a9f1bdfb42c853bb6c4fc9fd762a67b2

  • SHA256

    4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5

  • SHA512

    96ed8ceef6864e348f07bd27720434c3520b6f585953a898bde190be0a6e1501ddd2322528fa7542c48d2bf8e63b8e5e8573ccd9028aae0d4fe1c3d1cdf27a54

  • SSDEEP

    12288:+RVoq1sBzVgxeW7RjsykaADcjxg13WKlHs8XByGFacVz//2rcI9najt2HIr1sO6z:WX2z0e2jADI8b+8RVzUcIS2HIWvp

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ghas

  • offline_id

    miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1

  • 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-0SLhZxAjRX 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: 0445JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5

    • Size

      783KB

    • MD5

      2adedc39f822fa5e267cf3891af3fe2d

    • SHA1

      a2660f71a9f1bdfb42c853bb6c4fc9fd762a67b2

    • SHA256

      4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5

    • SHA512

      96ed8ceef6864e348f07bd27720434c3520b6f585953a898bde190be0a6e1501ddd2322528fa7542c48d2bf8e63b8e5e8573ccd9028aae0d4fe1c3d1cdf27a54

    • SSDEEP

      12288:+RVoq1sBzVgxeW7RjsykaADcjxg13WKlHs8XByGFacVz//2rcI9najt2HIr1sO6z:WX2z0e2jADI8b+8RVzUcIS2HIWvp

    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