Phishing Analysis
Detailed analysis of captured phishing page
Visual Capture
Detection Info
https://www.bitflyer8.win/?shiny
Detected Brand
bitFlyer
Country
International
Confidence
100%
HTTP Status
200
Report ID
c492c0d3-63f…
Analyzed
2026-02-18 05:37
Final URL (after redirects)
https://www.bitflyer8.win/?shiny#/home
Content Hashes (HTML Similarity)
Used to detect similar phishing pages based on HTML content
| Algorithm | Hash Value |
|---|---|
|
CONTENT
TLSH
|
T1CDC23610771256B38173A5D19291AF8A71D7E31FCA0A46402FEC639BBFC6EF078550AA |
|
CONTENT
ssdeep
|
384:Y3KZVEdqBnMhWQIMwcZww87goZWZbGO9WsllpTJ:VZVEdqBnMhWQIMwcZww3oZjO9VpTJ |
Visual Hashes (Screenshot Similarity)
Used to detect visually similar phishing pages based on screenshots
| Algorithm | Hash Value |
|---|---|
|
VISUAL
pHash
|
c3f23c3c65e3321a |
|
VISUAL
aHash
|
807fffff60000000 |
|
VISUAL
dHash
|
63f8c8c4d0327171 |
|
VISUAL
wHash
|
80ffffff7000003c |
|
VISUAL
colorHash
|
18006000000 |
|
VISUAL
cropResistant
|
74e4f0a8a8ace030,80881c8281808080,3ae0c180c068b498,63f8c8c4d0327171 |
Code Analysis
Risk Score
97/100
Threat Level
ALTO
⚠️ Phishing Confirmed
🎣 Credential Harvester
🎣 OTP Stealer
🎣 Card Stealer
🎣 Banking
🎣 Personal Info
🔬 Threat Analysis Report
• Threat: Phishing
• Target: bitFlyer users
• Method: Domain spoofing and JavaScript obfuscation to steal credentials.
• Exfil: Likely through the form submission.
• Indicators: Domain mismatch, Javascript obfuscaton
• Risk: HIGH
🔒 Obfuscation Detected
- atob
- eval
- fromCharCode
- unescape
- unicode_escape
- base64_strings
🎯 Kit Endpoints
- https://www.bitflyer8.win/api/exfiltrate
- #/login
📡 API Calls Detected
- ../../static/guide_book.pdf
- POST
- https://direct.lc.chat/12827847/
- GET
- post
- https://api.weexpro.cc/wp/WEEX_Whitepaper.pdf
- https://exchange-hk.oss-cn-hongkong.aliyuncs.com/MetaUniverseGlobalcoin/upload/qly_1640247993000.MP4
📊 Risk Score Breakdown
Total Risk Score
90/100
Contributing Factors
Domain Age
Domain created recently.
Obfuscated JavaScript
Detection of atob, eval, fromCharCode in javascript code, suggesting malicious intent.
Domain mismatch
The domain does not match the known legitimate bitFlyer domain.
Impersonation
The website attempts to look like the bitFlyer website.
🔬 Comprehensive Threat Analysis
Threat Type
Banking Credential Harvester
Target
bitFlyer users (International)
Attack Method
Brand impersonation + 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, Banking, Personal Info
- 88 obfuscation techniques
🏢 Brand Impersonation Analysis
Impersonated Brand
bitFlyer
Official Website
https://bitflyer.com/en-us/
Fake Service
bitFlyer trading platform
⚔️ Attack Methodology
Primary Method: Credential Harvesting
The site is designed to steal user credentials by mimicking the bitFlyer login page. Users are prompted to enter their login details, which are then captured by the attackers.
🌐 Infrastructure Indicators of Compromise
🦠 Malicious Files
Main File
app.2441857a7db31acbac53.js
File Size
📊 Attack Flow Diagram
User fills <input name='username'> → submitForm() → fetch('https://www.bitflyer8.win/api/exfiltrate') → credentials sent
🔬 JavaScript Deep Analysis
Operator Language
English (0%)
Sophistication Level
Basic
Total Code Size
3.3 MB
🔗 API Endpoints Detected
Other
15
🔐 Obfuscation Detected
- : None
- : None
- : Heavy
- : Moderate
🤖 AI-Extracted Threat Intelligence
📊 Attack Flow
User fills <input name='username'> → submitForm() → fetch('https://www.bitflyer8.win/api/exfiltrate') → credentials sent
🎯 Malicious Files Identified
Main Drainer
app.2441857a7db31acbac53.jsFile Size
45KB
Malicious Functions
sendDatasubmitForm
Similar Websites
Pages with identical visual appearance (based on perceptual hash)
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