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Leak-site post naming Seoyon E-Hwa Summit, captured by ThreatCluster
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Seoyon E-Hwa Summit

netrunner

Ransomware leak-site victim intelligence · EN

Data size
960GB
Files
300,000
Views
1,500
Posted
Apr 3, 2026
Country
India South Korea
Industry
KRX:200880

Summary

Written by ThreatClusterfrom site fields, victim profile, leak post, screenshot

Threat group netrunner claims to have stolen 960GB across about 300,000 files from Seoyon E-Hwa Summit, a subsidiary of Seoyon E-Hwa. The victim is identified as Seoyon E-Hwa Summit, an automotive components manufacturer with operations in India and South Korea. The leak post is published and provides links to download the full file list and the full file release.

Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.

Victim profile

Domains
seoyonehap.com

What was taken

Seoyon E‑Hwa Summit is a subsidiary of Seoyon E‑Hwa that manufactures automotive components, operating as part of Seoyon E‑Hwa’s international production network.

Also stated on the leak page

Fields this group publishes that do not map to a standard column. Labels are the site's own.

Sample Files List
Coming Soon
Download Full File List
http://netrunrs65cn2yidokrmxn5rrur2gjpuyuwrt6mkfy6lek4jnqojn4qd.onion/Seoyon/seoyon.filetree.tar.gz
Download Full File Release
http://netrunrs65cn2yidokrmxn5rrur2gjpuyuwrt6mkfy6lek4jnqojn4qd.onion/Seoyon/
Download Full File List URL
http://netrunrs65cn2yidokrmxn5rrur2gjpuyuwrt6mkfy6lek4jnqojn4qd.onion/Seoyon/seoyon.filetree.tar.gz
Sample Files List Coming Soon
Sample Files List Coming Soon
Download Full File Release URL
http://netrunrs65cn2yidokrmxn5rrur2gjpuyuwrt6mkfy6lek4jnqojn4qd.onion/Seoyon/

Leak-site images (9)

Images from the victim's leak listing. Thumbnails scraped from the onion page are blurred by default — click a thumbnail to view.

ThreatCluster capture
The image features a logo with a stylized letter "S" and a circular design, accompanied by the text "SEOYON E-HWA SUMMIT ANANTAPUR" in blue and black.
onion leak page95 KB
Technical drawing of a vehicle component, featuring detailed dimensions, annotations, and multiple views of the part.
onion leak page530 KB
Document outlining engineering standards for polyurethane foam used in crash pad main applications, including scope, types, and classification details.
onion leak page317 KB
Document containing engineering standards with specifications for tensile strength, elongation at break, tear strength, compression, volume loss, and deflection change.
onion leak page259 KB
Screenshot of a ransomware incident report detailing issue timeline, actions taken, and root cause analysis related to a virtual server.
onion leak page157 KB
Blueprint or technical drawing featuring multiple views and detailed annotations of a mechanical component or structure, including dimensions and specifications.
onion leak page1.5 MB
Technical drawing of a curved component with multiple views, including sections and dimensions, labeled with engineering notations.
onion leak page399 KB
The image is a quotation document detailing material costs, process costs, and total costs for a specific part, including item descriptions and quantities.
onion leak page618 KB