Overview

overview

10

Static

static

3

JaffaCakes...16.exe

windows7-x64

10

JaffaCakes...16.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316

  • Size

    771KB

  • Sample

    241221-y67gnaynes

  • MD5

    33ae9907425491ba16377f5dd1cf533d

  • SHA1

    7ef8e0a3327e05e7128e475122f585c7c6660d9a

  • SHA256

    610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316

  • SHA512

    ac1907edaee8b0dbbe927130cad5785e62a2d92d5fd8231edacdc56bf86642f6570ddab06ffdc0570cb7ea90c213c44beb4c656be14a02e5595da2cf485cd82b

  • SSDEEP

    12288:OiWAp9Ipv8JOxN2wMzG9GkdSzAkGZmt7y4lvuy82wQDENivl2ldaS:OggkJy2NzGDdWA3CDp82XDEc

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_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316

    • Size

      771KB

    • MD5

      33ae9907425491ba16377f5dd1cf533d

    • SHA1

      7ef8e0a3327e05e7128e475122f585c7c6660d9a

    • SHA256

      610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316

    • SHA512

      ac1907edaee8b0dbbe927130cad5785e62a2d92d5fd8231edacdc56bf86642f6570ddab06ffdc0570cb7ea90c213c44beb4c656be14a02e5595da2cf485cd82b

    • SSDEEP

      12288:OiWAp9Ipv8JOxN2wMzG9GkdSzAkGZmt7y4lvuy82wQDENivl2ldaS:OggkJy2NzGDdWA3CDp82XDEc

    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