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Phishing Analysis

Detailed analysis of captured phishing page

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Captura Visual

Screenshot of beta.guustav.com

Informações de Detecção

https://beta.guustav.com/
Detected Brand
Unknown
Country
Unknown
Confiança
100%
HTTP Status
200
Report ID
227cb95b-0e6…
Analyzed
2026-07-31 11:42
Final URL (after redirects)
https://beta.guustav.com/landing

Hashes de Conteúdo (Similaridade HTML)

Used to detect similar phishing pages based on HTML content

Algorithm Hash Value
CONTENT TLSH
T161D185B1D540242B02234DE7B475831E71CFC15CDA063C9867B8A3DBEBCAD54642BBAE
CONTENT ssdeep
192:1bng2ewPsSw+LN/oHw/GnLNUAg4of+IP/91jEzA:1sB1ab+IP/99

Hashes Visuais (Similaridade de Captura)

Used to detect visually similar phishing pages based on screenshots

Algorithm Hash Value
VISUAL pHash
b333cec6333164cc
VISUAL aHash
e7e7c7c7e7c3ffff
VISUAL dHash
4d0c9c9e0e8e2004
VISUAL wHash
81c3c1c18181bdff
VISUAL colorHash
07000c00000
VISUAL cropResistant
4d0c9c9e0e8e2004,b9bbbb3b3b3b3b33,2666bd7e3c3c6c7e

Análise de Código

Risk Score 100/100
Nível de Ameaça ALTO
⚠️ Phishing Confirmed
🎣 Credential Harvester 🎣 OTP Stealer 🎣 Card Stealer 🎣 Banking 🎣 Personal Info
🔥 Firebase Backend

🔒 Obfuscation Detected

  • atob
  • fromCharCode
  • unescape
  • document.write
  • hex_escape
  • unicode_escape
  • base64_strings

📡 API Calls Detected

  • GET
  • firebaseLocalStorageDb
  • /print
  • .concat(JSON.stringify(e),
  • POST
  • https://www.guustav.com/contact-us
  • /printplan?mealplan=

☁️ Cloud Backend

  • Firebase: -default-rtdb.firebaseio.com
  • Firebase: guustav-prod-app-default-rtdb.firebaseio.com

📊 Detalhamento da Pontuação de Risco

Total Risk Score
100/100

Contributing Factors

Active Phishing Kit
Detected kit types: Credential Harvester, OTP Stealer, Card Stealer, Banking, Personal Info
Credential Harvesting
Credential harvesting detected with 22 form(s) capturing sensitive data
Code Obfuscation
JavaScript code obfuscated using 4436 technique(s) to evade detection

🔬 Análise Integral de Ameaças

Tipo de Ameaça
Banking Credential Harvester
Alvo
General public
Método de Ataque
credential harvesting forms + obfuscated JavaScript
Canal de Exfiltração
Firebase Database
Avaliação de Risco
CRITICAL - Automated credential harvesting with Firebase Database

⚠️ Indicators of Compromise

  • Kit types: Credential Harvester, OTP Stealer, Card Stealer, Banking, Personal Info
  • 4436 obfuscation techniques

🏢 Análise de Falsificação de Marca

Impersonated Brand
Generic Phishing
Official Website
N/A
Fake Service
Banking/payment 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 4436 techniques to evade detection by security scanners and make reverse engineering more difficult.

Target Blockchain
Multiple blockchains
Whitelist Bypass
YES

Drainer supports multiple blockchain networks and checks for high-value tokens on each chain before executing drain operations.

🌐 Indicadores de Compromisso de Infraestrutura

Domain Information

Domínio
beta.guustav.com
Registered
2019-04-25 21:19:35+00:00
Registrar
GoDaddy.com, LLC
Estado
Active (older domain)

Hosting Information

Provider
GoDaddy
ASN

🤖 AI-Extracted Threat Intelligence

😰
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