Overview

overview

10

Static

static

3

JaffaCakes...5f.exe

windows7-x64

10

JaffaCakes...5f.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_bf72acd15dc41b8298358affbaba1e99b30cfef383b34e665870ac29ce27015f

  • Size

    847KB

  • Sample

    241227-bxzdcsxrfs

  • MD5

    1ae89d537153b31ef5b45d4f53912bd9

  • SHA1

    93783cba0bd7805b1120215c309960fc8a2a330f

  • SHA256

    bf72acd15dc41b8298358affbaba1e99b30cfef383b34e665870ac29ce27015f

  • SHA512

    5084f9ef5eec836f64bc6e2991b7b5fa1986f4384f9dc1a8eb11aaafd94be19333356993f7e3f7bbd5d4b697e6991b761be8f4f052b13f27b014bfa7bc667b79

  • SSDEEP

    12288:FFudg7PYA+gbrKcHcEtrnqIp0pGIv0QlZSFvi/xsn5lXICunnwRPd:zNPYAv5trJY0QlZSAolYwR

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_bf72acd15dc41b8298358affbaba1e99b30cfef383b34e665870ac29ce27015f

    • Size

      847KB

    • MD5

      1ae89d537153b31ef5b45d4f53912bd9

    • SHA1

      93783cba0bd7805b1120215c309960fc8a2a330f

    • SHA256

      bf72acd15dc41b8298358affbaba1e99b30cfef383b34e665870ac29ce27015f

    • SHA512

      5084f9ef5eec836f64bc6e2991b7b5fa1986f4384f9dc1a8eb11aaafd94be19333356993f7e3f7bbd5d4b697e6991b761be8f4f052b13f27b014bfa7bc667b79

    • SSDEEP

      12288:FFudg7PYA+gbrKcHcEtrnqIp0pGIv0QlZSFvi/xsn5lXICunnwRPd:zNPYAv5trJY0QlZSAolYwR

    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