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Phishing Analysis

Detailed analysis of captured phishing page

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Captura Visual

No screenshot available

Información de Detección

http://smtp.natrajstonex.co.in
Detected Brand
Unknown
Country
International
Confianza
100%
HTTP Status
200
Report ID
46761ef5-07d…
Analyzed
2026-02-14 11:25
Final URL (after redirects)
http://smtp.natrajstonex.co.in/

Hashes de Contenido (Similitud HTML)

Used to detect similar phishing pages based on HTML content

Algorithm Hash Value
CONTENT TLSH
T12E9142215025AE3351E386F4B2DDDB6362EFC228CF80285822FCC7AD0BD5C51B67B955
CONTENT ssdeep
96:yZ/OyJIVgExhqBQE9tFMhTFk6aMhTtk6Yt:yZ/OxgihqQE9tFMhTFk6aMhTtk6k

Hashes Visuales (Similitud de Captura)

Used to detect visually similar phishing pages based on screenshots

Algorithm Hash Value
VISUAL pHash
9999996666668b33
VISUAL aHash
1818181800000000
VISUAL dHash
b2b2b2b24c200000
VISUAL wHash
fcfcfcfc00000000
VISUAL colorHash
070000001c0
VISUAL cropResistant
a2a2e2a296a89696,b2b2b2b24c200000

Análisis de Código

Risk Score 85/100
Nivel de Amenaza ALTO
⚠️ Phishing Confirmed
🎣 Credential Harvester 🎣 OTP Stealer 🎣 Personal Info

🔬 Threat Analysis Report

• Amenaza: Phishing
• Objetivo: No especificado
• Método: Recopilación de credenciales
• Exfil: /?_task=login
• Indicadores: Formulario de inicio de sesión sin marca, JavaScript ofuscado, dominio no relacionado
• Riesgo: Alto

🔐 Credential Harvesting Forms

🔒 Obfuscation Detected

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

🎯 Kit Endpoints

  • http://idn.icann.org/E-mail_test)
  • https://mathiasbynens.be/notes/javascript-encoding
  • http://smtp.natrajstonex.co.in/program/js/common.js?s=1769006884
  • http://smtp.natrajstonex.co.in/plugins/skins/punycode.js?s=1728655216
  • /?_task=login
  • plugins/skins/login.css?s=1728655216
  • https://code.iamcal.com/php/rfc822/
  • http://smtp.natrajstonex.co.in/program/js/jstz.min.js?s=1769006884
  • https://rumkin.com
  • http://dev.rubyonrails.org/changeset/7271
  • https://mths.be/punycode
  • http://smtp.natrajstonex.co.in/skins/elastic/ui.js?s=1728679525
  • http://www.michaelapproved.com/articles/timezone-detect-and-ignore-daylight-saving-time-dst/
  • http://smtp.natrajstonex.co.in/program/js/app.js?s=1769006884
  • http://tools.ietf.org/html/rfc3492#section-3.4
  • http://creativecommons.org/licenses/by-sa/3.0/

📤 Form Action Targets

  • /?_task=login

📊 Desglose de Puntuación de Riesgo

Total Risk Score
90/100

Contributing Factors

Suspicious Domain
Domain name does not match any known service.
Unbranded Login Form
Generic login form with no brand identity.
Obfuscated Javascript
Obfuscation of javascript code.

🔬 Análisis Integral de Amenazas

Tipo de Amenaza
Two-Factor Authentication Stealer
Objetivo
General public
Método de Ataque
credential harvesting forms + obfuscated JavaScript
Canal de Exfiltración
HTTP POST to backend
Evaluación de Riesgo
CRITICAL - Automated credential harvesting with HTTP POST to backend

⚠️ Indicators of Compromise

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

🏢 Análisis de Suplantación de Marca

Impersonated Brand
Unknown
Fake Service
Generic login service

⚔️ Metodología de Ataque

Primary Method: Credential Harvesting

The attacker attempts to steal user credentials by presenting a fake login form on a suspicious domain. The form submits data to a potentially malicious server.

🌐 Indicadores de Compromiso de Infraestructura

🦠 Malicious Files

Main File
common.js?s=1769006884
File Size

Functions: http_post(), submit_messageform(), check_compose_input(), http_request(), set_env()

📊 Diagrama de Flujo de Ataque

1. Step 1: User lands on the phishing page (natrajstonex.co.in) disguised as a Roundcube Webmail login portal
2. Step 2: User enters credentials into the login form
3. Step 3: Credentials are captured via JavaScript event handlers and form submission logic
4. Step 4: `http_post()` function sends credentials to the server via AJAX POST requests
5. Step 5: Server-side script processes and exfiltrates the credentials to the attacker's storage or command-and-control (C2) server

🔬 JavaScript Deep Analysis

Operator Language
English (1%)
Total Code Size
505,1 KB

🔗 API Endpoints Detected

Other
9

🔐 Obfuscation Detected

  • : Moderate
  • : Light
  • : Light
  • : None
  • : Light

🤖 AI-Extracted Threat Intelligence

📊 Attack Flow

1. Step 1: User lands on the phishing page (natrajstonex.co.in) disguised as a Roundcube Webmail login portal
2. Step 2: User enters credentials into the login form
3. Step 3: Credentials are captured via JavaScript event handlers and form submission logic
4. Step 4: `http_post()` function sends credentials to the server via AJAX POST requests
5. Step 5: Server-side script processes and exfiltrates the credentials to the attacker's storage or command-and-control (C2) server

🎯 Malicious Files Identified

Main Drainer
common.js?s=1769006884
File Size
Approximately 300KB (based on the extracted JavaScript code provided)
Malicious Functions
  • http_post()
  • submit_messageform()
  • check_compose_input()
  • http_request()
  • set_env()

Similar Websites

Pages with identical visual appearance (based on perceptual hash)

Screenshot
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Mar 16, 2026
 Screenshot
Desconocido
http://smtp.natrajstonex.co.in/
Feb 11, 2026
 Screenshot
Desconocido
http://imap.mdonline.net/
Ene 17, 2026

Scan History for smtp.natrajstonex.co.in

Found 2 other scans for this domain

😰
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