Overview

overview

10

Static

static

3

JaffaCakes...93.exe

windows7-x64

10

JaffaCakes...93.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593

  • Size

    762KB

  • Sample

    241230-xcfw6swlax

  • MD5

    5e2e3d1200fa869a7942eab2ae936a7d

  • SHA1

    a0a1e248fd37a1944cd51ece2b63b96f887cd32d

  • SHA256

    c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593

  • SHA512

    ad55d14a97d8490656435689eed7072cb4ab4b50b2e82f036e3c40abc57ada73319d23f38be796a9fdad3142bf895ebe781d1e9981b7438f1e9ca137390dbbce

  • SSDEEP

    12288:4j0GNLBhir0kHOlbkTA+nNLwUFh2aPrWHh7WAgtiXG5Tb5Zxq:4PNLq0kH0tm3kaPrAh7WxtzTb0

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_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593

    • Size

      762KB

    • MD5

      5e2e3d1200fa869a7942eab2ae936a7d

    • SHA1

      a0a1e248fd37a1944cd51ece2b63b96f887cd32d

    • SHA256

      c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593

    • SHA512

      ad55d14a97d8490656435689eed7072cb4ab4b50b2e82f036e3c40abc57ada73319d23f38be796a9fdad3142bf895ebe781d1e9981b7438f1e9ca137390dbbce

    • SSDEEP

      12288:4j0GNLBhir0kHOlbkTA+nNLwUFh2aPrWHh7WAgtiXG5Tb5Zxq:4PNLq0kH0tm3kaPrAh7WxtzTb0

    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