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Leak-site post naming Cumar Marble & Granite, captured by ThreatCluster

Cumar Marble & Granite

dark project

Ransomware leak-site victim intelligence · EN

Data size
489 GB Data Analyzed
Files
200,000
Views
4,647
Posted
Sep 15, 2026
Country
United States
Industry
a company specializing in luxury kitchens, bathrooms, and custom projects

Summary

Written by ThreatClusterfrom file listing, victim profile, leak post, screenshot, our reporting

Dark Project claims to have stolen 489 GB of data from Cumar Marble & Granite's servers, comprising about 200,000 files including personal information, technical drawings, financial documents, and intellectual property. The leak page lists the victim as Cumar Marble & Granite (domain cumar.com), in the United States stone fabrication sector with revenue of $11 million. The leak post is in countdown status, showing 9 days, 19 hours, 35 minutes, and 15 seconds remaining.

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

Victim profile

Domains
www.cumar.com

What was taken

Cumar Marble & Granite, a company specializing in luxury kitchens, bathrooms, and custom projects, has been the target of a massive cyberattack. Hackers stole 489 gigabytes of data from the company’s servers, including personal information, technical drawings, and financial documents. This incident raises serious concerns regarding the theft of intellectual property and potential breaches of employee and customer privacy.

Data categories
personal informationtechnical drawingsfinancial documents

Also stated on the leak page

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

TOX_ID
243AAD0D1875CA4D48034E799785F2C9EA225E4466C87FA9B9297F7BEADC694478C7DE0A7639

Leak-site images (2)

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

ThreatCluster capture
Image of a check made out to Genesis Engineering Group, LLC for $20,000, with details including a date and signatures.
onion leak page662 KB

Negotiation

Open
Tox 243AAD0D1875CA4D48034E799785F2C9EA225E4466C87FA9B9297F7BEADC694478C7DE0A7639