Phishing Analysis: Microsoft Windows

Visual Capture

Screenshot of numugedi.z20.web.core.windows.net

Detection Info

https://numugedi.z20.web.core.windows.net/

Detected Brand

Microsoft Windows

Country

International

Confidence

100%

HTTP Status

200

Report ID

b11ffc2a-d77…

Analyzed

2026-03-04 07:03

Final URL (after redirects)

https://numugedi.z20.web.core.windows.net/3dxxsco81p8v.html

Content Hashes (HTML Similarity)

Used to detect similar phishing pages based on HTML content

Algorithm	Hash Value
CONTENT TLSH	T13363C034A3401932415383A4FEA2AB976315DB48DB170E5403ACC37BFAEFD64F9519B9
CONTENT ssdeep	768:gpbPEhpRStbVvmsu1xJ79Y3PsW9+PeqBMKxslAPfum496zrOKsSVz+d1UFx8J:gpLcRStbVzU7+3jMU6+Kl9+dCFx8J

Visual Hashes (Screenshot Similarity)

Used to detect visually similar phishing pages based on screenshots

Algorithm	Hash Value
VISUAL pHash	cbd33c33762c5530
VISUAL aHash	383c3c3c3c3c0101
VISUAL dHash	c9c9e9e1c9c9b37b
VISUAL wHash	3c7c7c7c7c7c0301
VISUAL colorHash	07000018180
VISUAL cropResistant	939b86c6c3139b92,b0a686d6aa229696,c9c9e9e1c9c9b37b,8816d2d2722dc0d2,b9b966181a1a1a1a

Code Analysis

Risk Score 97/100

Threat Level ALTO

⚠️ Phishing Confirmed

🎣 Credential Harvester 🎣 OTP Stealer 🎣 Card Stealer 🎣 Personal Info

🔬 Threat Analysis Report

• Threat: Phishing scam.
• Target: Windows users.
• Method: Impersonation of Windows Defender to scare the user.
• Exfil: Phone number.
• Indicators: Fake security alert, urgency tactics, phone number provided.
• Risk: High

🔒 Obfuscation Detected

atob
fromCharCode
unescape
document.write
unicode_escape
base64_strings

📊 Risk Score Breakdown

Total Risk Score

95/100

Contributing Factors

Impersonation of a well-known brand

The page is trying to look like a Windows security alert.

Urgency and fear tactics

The use of urgency and fear tactics, like the warning message, increases the likelihood of user action.

Suspicious contact information (phone number)

The prominent display of the phone number is a strong indicator of a scam.

Domain age

The domain age isn't recent, which can indicate that it's been set up with the intention to run scams for some time.

🔬 Comprehensive Threat Analysis

Threat Type

Banking Credential Harvester

Target

Microsoft Windows users (International)

Attack Method

Brand impersonation + 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
34 obfuscation techniques

🏢 Brand Impersonation Analysis

Impersonated Brand

Microsoft Windows

Official Website

https://www.microsoft.com/en-us/windows

Fake Service

Windows Security

Fraudulent Claims

⚔️ Attack Methodology

Primary Method: Tech Support Scam

The scammer utilizes a fake security alert designed to appear as an official Windows message. This alert demands urgent action, tricking users into calling a provided phone number for "support."