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Phishing Analysis

Detailed analysis of captured phishing page

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Visual Capture

Screenshot of rirucesubu.z1.web.core.windows.net

Detection Info

https://rirucesubu.z1.web.core.windows.net/
Detected Brand
Microsoft
Country
Unknown
Confidence
100%
HTTP Status
200
Report ID
031d8408-048…
Analyzed
2026-05-08 12:09
Final URL (after redirects)
https://rirucesubu.z1.web.core.windows.net/6q9l6a569121.html

Content Hashes (HTML Similarity)

Used to detect similar phishing pages based on HTML content

Algorithm Hash Value
CONTENT TLSH
T19EB3E0B9A3006D3B8067D3C4F9616FA76310D740CD561B4C16BC82EAADEED68FD9049D
CONTENT ssdeep
3072:E/qgVhIGyQJXHvDzDkS2C3E5zqjmw6Rp3QFdlK:EpVcQYS2C3CqCVRwK

Visual Hashes (Screenshot Similarity)

Used to detect visually similar phishing pages based on screenshots

Algorithm Hash Value
VISUAL pHash
cbc33c72762c5728
VISUAL aHash
383c3c3c3c3c0101
VISUAL dHash
c9c9e9e1c9c9b36b
VISUAL wHash
3c7c7c7c7c7c0301
VISUAL colorHash
07000010180
VISUAL cropResistant
938b86ce83519b92,e81686da9e2a3ab2,c9c9e9e1c9c9b36b,ad52929238872828,383096081a1a1a1a

Code Analysis

Risk Score 97/100
Threat Level ALTO
⚠️ Phishing Confirmed
🎣 Credential Harvester 🎣 OTP Stealer 🎣 Card Stealer 🎣 Personal Info

🔒 Obfuscation Detected

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

📊 Risk Score Breakdown

Total Risk Score
100/100

Contributing Factors

Active Phishing Kit
Detected kit types: Credential Harvester, OTP Stealer, Card Stealer, Personal Info
Credential Harvesting
Credential harvesting detected with 2 form(s) capturing sensitive data
Code Obfuscation
JavaScript code obfuscated using 18 technique(s) to evade detection

🔬 Comprehensive Threat Analysis

Threat Type
Banking Credential Harvester
Target
Microsoft users
Attack Method
credential harvesting forms + obfuscated JavaScript
Exfiltration Channel
Form submission (backend endpoint not detected - likely JavaScript-based)
Risk Assessment
CRITICAL - Automated credential harvesting with Form submission (backend endpoint not detected - likely JavaScript-based)

⚠️ Indicators of Compromise

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

🏢 Brand Impersonation Analysis

Impersonated Brand
Microsoft
Official Website
https://www.microsoft.com
Fake Service
Banking/payment service

⚔️ Attack Methodology

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 18 techniques to evade detection by security scanners and make reverse engineering more difficult.

🌐 Infrastructure Indicators of Compromise

Domain Information

Domain
rirucesubu.z1.web.core.windows.net
Registered
1995-08-10 04:00:00+00:00
Registrar
MarkMonitor, Inc.
Status
Active (older domain)

Hosting Information

Provider
MarkMonitor, Inc.
ASN

🤖 AI-Extracted Threat Intelligence

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😰
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