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Leak-site post naming mat-holdings-inc, captured by ThreatCluster

mat-holdings-inc

iah6477

Ransomware leak-site victim intelligence

Data size
148.2 GiB
Files
346,575
Posted
Aug 26, 2026
Countdown
23h 47m left
Country
US
Industry
Manufacturing

Summary

Written by ThreatClusterfrom file listing, leak post, screenshot

The iah6477 group claims mat-holdings-inc was the victim, alleging 148.2 GiB of data and 346,575 files were taken. They publish sample files named mat-holdings-inc-part1of4.zip through mat-holdings-inc-part4of4.zip, described as ZIP archives; the post is published and shows a countdown until 2026-09-25 20:17 UTC (about 26 days 20 hours remaining). ThreatCluster captured a screenshot of the leak post.

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

Victim profile

Platforms
entra_id m365

What was taken

Size: 148.2 GiB

File types seen
zip × 4
Sample files (4)
mat-holdings-inc-part1of4.zip
mat-holdings-inc-part2of4.zip
mat-holdings-inc-part3of4.zip
mat-holdings-inc-part4of4.zip

Also stated on the leak page

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

archive
PUBLIC · free download hosted until 2026-09-25 20:17 UTC · 5d 19h left
time_left
2d 11h left
hosted_until
2026-09-25 20:17 UTC
size_summary
2 folder(s) · 346575 file(s) · 148.2 GiB
archive_status
PUBLIC • free download
parts_description
part 1 of 4 (zip/mat-holdings-inc-part1of4.zip) 37.1 GiB; part 2 of 4 (zip/mat-holdings-inc-part2of4.zip) 37.1 GiB; part 3 of 4 (zip/mat-holdings-inc-part3of4.zip) 37.1 GiB; part 4 of 4 (zip/mat-holdings-inc-part4of4.zip) 37.1 GiB

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