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Phishing Analysis

Detailed analysis of captured phishing page

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Captura Visual

Screenshot of base-airdrop-calculator.vercel.app

Información de Detección

https://base-airdrop-calculator.vercel.app/
Detected Brand
Base (Coinbase)
Country
Unknown
Confianza
100%
HTTP Status
200
Report ID
bf3c8ff1-1da…
Analyzed
2026-06-18 12:17

Hashes de Contenido (Similitud HTML)

Used to detect similar phishing pages based on HTML content

Algorithm Hash Value
CONTENT TLSH
T1438309E83519F5270AB343A710DF15037278122B980E4D60B254FE9FA6FDC5AB067BE9
CONTENT ssdeep
1536:ROtJYBL7lUuRNka2wblHbJLwLIz9GguGOjjRnY:CYVrX2wd9W/guGO+

Hashes Visuales (Similitud de Captura)

Used to detect visually similar phishing pages based on screenshots

Algorithm Hash Value
VISUAL pHash
bc4c4b635c3c1e1e
VISUAL aHash
00fb9f9fffefefff
VISUAL dHash
33022436140a1838
VISUAL wHash
00819783f78f8f8f
VISUAL colorHash
07000000180
VISUAL cropResistant
33022436140a1838,002c52b2b1b35252

Análisis de Código

Risk Score 100/100
Nivel de Amenaza ALTO
⚠️ Phishing Confirmed
🎣 Credential Harvester 🎣 OTP Stealer 🎣 Banking 🎣 Personal Info
⚡ Supabase Backend

🔒 Obfuscation Detected

  • atob
  • fromCharCode
  • unescape
  • unicode_escape
  • base64_strings

📡 API Calls Detected

  • POST
  • https://api.coingecko.com/api/v3/simple/price?ids=ethereum,bitcoin&vs_currencies=usd
  • pageview

☁️ Cloud Backend

  • Supabase: yhhzqdodhsmmmdgisoxf.supabase.co

📊 Desglose de Puntuación de Riesgo

Total Risk Score
100/100

Contributing Factors

Active Phishing Kit
Detected kit types: Credential Harvester, OTP Stealer, Banking, Personal Info
Credential Harvesting
Credential harvesting detected with 1 form(s) capturing sensitive data
Code Obfuscation
JavaScript code obfuscated using 35 technique(s) to evade detection

🔬 Análisis Integral de Amenazas

Tipo de Amenaza
Banking Credential Harvester
Objetivo
Base (Coinbase) users
Método de Ataque
credential harvesting forms + obfuscated JavaScript
Canal de Exfiltración
Supabase Database
Evaluación de Riesgo
CRITICAL - Automated credential harvesting with Supabase Database

⚠️ Indicators of Compromise

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

🏢 Análisis de Suplantación de Marca

Impersonated Brand
Base (Coinbase)
Official Website
N/A
Fake Service
Airdrop/claim portal

⚔️ Metodología 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 35 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 Compromiso de Infraestructura

Domain Information

Dominio
base-airdrop-calculator.vercel.app
Registered
Unknown
Registrar
Unknown
Estado
Hosting platform (subdomain)

Hosting Information

Provider
Unknown
ASN

🤖 AI-Extracted Threat Intelligence

😰
"Nunca pensé que me pasaría a mí"
Esto dicen las 2.3 millones de víctimas cada año. No esperes a ser una estadística.