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Leak-site post naming corematerials.com, captured by ThreatCluster

corematerials.com

chaos

Ransomware leak-site victim intelligence

Data size
105 Gb
Views
59,001
Posted
Aug 28, 2026
Country
US
Industry
engineered materials manufacturing

Summary

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

The leak claims 105 GB of data from Core Molding Technologies, Inc. (corematerials.com) by the Chaos group. The leak page is in countdown publication status. The victim is identified as Core Molding Technologies, Inc., and a sample of leaked data is indicated as present.

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

What was taken

Core Molding Technologies, Inc. is an engineered materials manufacturer specializing in thermoplastic and thermoset molded structural products. The company provides advanced composite molding solutions for the transportation, building products, utilities, powersports, marine, automotive, agriculture…

Also stated on the leak page

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

onion_link
http://zebpn5espkgmgo2g4y7mdolit2yacumbeolq3w34sscphmxavfxpygad.onion/core
Sample of leaked data
present

Leak-site images (1)

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

ThreatCluster capture