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Phishing Analysis

Detailed analysis of captured phishing page

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Captura Visual

Screenshot of grupocosaint.com.br

Informações de Detecção

https://grupocosaint.com.br/zim/zimbra.html
Detected Brand
Zimbra
Country
Unknown
Confiança
95%
HTTP Status
200
Report ID
56fe2a1d-8e4…
Analyzed
2026-08-27 10:10

Hashes de Conteúdo (Similaridade HTML)

Used to detect similar phishing pages based on HTML content

Algorithm Hash Value
CONTENT TLSH
T16491B5104045AC7A858251C475A07F6427E883F5C313488DF8E9CF8E6EE6EE5E6533EA
CONTENT ssdeep
96:kSW+DZv4eX3hRdLmkAmO4Es7whV4C6j1c895:PX3pmka4dUhVB6C895

Hashes Visuais (Similaridade de Captura)

Used to detect visually similar phishing pages based on screenshots

Algorithm Hash Value
VISUAL pHash
b3b3cccc33312666
VISUAL aHash
ffffe7c3e7ffffe7
VISUAL dHash
204d4d4d4d32040c
VISUAL wHash
ffffe7c3c3880000
VISUAL colorHash
070000001c0
VISUAL cropResistant
204d4d4d4d32040c,a0a0a2a0a2a2a2a2,0889b4b4b4f6b8b8

Análise de Código

Risk Score 63/100
Nível de Ameaça ALTO
⚠️ Phishing Confirmed
🎣 Credential Harvester

🔐 Credential Harvesting Forms

🔒 Obfuscation Detected

  • document.write

🎯 Kit Endpoints

  • http://blog.zimbra.com
  • https://iris.well.com/zimbra/css/common,login,zhtml,skin.css?skin=harmony&v=141215153341
  • login.php

📤 Form Action Targets

  • login.php

📊 Detalhamento da Pontuação de Risco

Total Risk Score
70/100

Contributing Factors

Active Phishing Kit
Detected kit types: Credential Harvester
Credential Harvesting
Credential harvesting detected with 1 form(s) capturing sensitive data
Code Obfuscation
JavaScript code obfuscated using 1 technique(s) to evade detection

🔬 Análise Integral de Ameaças

Tipo de Ameaça
Credential Harvesting Kit
Alvo
Zimbra users
Método de Ataque
credential harvesting forms + obfuscated JavaScript
Canal de Exfiltração
HTTP POST to backend
Avaliação de Risco
HIGH - Automated credential harvesting with HTTP POST to backend

⚠️ Indicators of Compromise

  • Kit types: Credential Harvester
  • 1 obfuscation techniques

🏢 Análise de Falsificação de Marca

Impersonated Brand
Zimbra
Official Website
N/A
Fake Service
Credential harvesting service

⚔️ Metodologia de Ataque

Primary Method: Credential Harvesting

Victim enters username and password into fake login form. Credentials are captured via JavaScript and exfiltrated to attacker's server in real-time.

Secondary Method: JavaScript Obfuscation

Malicious code is obfuscated using 1 techniques to evade detection by security scanners and make reverse engineering more difficult.

🌐 Indicadores de Compromisso de Infraestrutura

Domain Information

Domínio
grupocosaint.com.br
Registered
2019-03-28 00:00:00+00:00
Registrar
Unknown
Estado
Active (older domain)

Hosting Information

Provider
Unknown
ASN

🤖 AI-Extracted Threat Intelligence

😰
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