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

braincipher

Ransomware leak-site victim intelligence

Data size
over 100 GB
Files
110,900
Posted
Sep 29, 2026
Countdown
October 13, 2026 at 13:00
Country
US
Industry
E&P

Summary

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

Braincipher claims to have exfiltrated 110,900 files totaling over 100 GB from mulholland.com, an E&P company. The leak describes the dataset as including personnel and medical records, customer contracts and banking details, and operational data such as GPS telemetry, daily rig data, and permit documents. The leak post is listed and shows a countdown to October 7, 2026 at 13:00. These are the group's claims; no breach confirmation is provided.

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

Victim profile

Domains
mulholland.com

What was taken

Download: ljex7r7uv7j6lek6jef7o2pqw23ojauom5q7nhgyxjhoebwilbc3eqqd.onion If you think you are here by mistake, please contact us at [email protected]

Data categories
Personal driver folders with confidential drugs test records and FMCSA inspection historyMedical data and injury recordsMSAs/NDAs with major customers (E&P: Continental Resources, OXY, Chord, Baytex, etc)Customer W-9, credit applications, and ACH forms — counteragent banking details and account informationRates/billing (volumes, revenue)GPS telemetryDaily rig data (North American Rig Data)Permit documents (Arkansas Haz Waste Permit, DOT audits, OCC/DFW Airport)
Leak site tags
1)Personal driver folders2)Medical data3)MSAs/NDAs with major customers5)Rates/billing6)GPS telemetry7)Daily rig data8)Permit documents

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
Logo featuring the word "Mulholland" in blue, accompanied by a stylized flame or wave design above the text.
onion leak page83 KB

Negotiation
Email [email protected]