Leaks

Estrategias BigMat S.L.U.

Retail & E-Commerce · İspanya

Listed on the leak site5 d ago

[distribution] Estrategias BigMat S.L.U. — the Spanish master franchisee of BigMat International, a French cooperative and one of Europe's largest building materials distribution networks. 624 SEPA payroll XML files (2022–2025) — every monthly salary payment for 300–500 employees across 15+ entities, with full names, DNI/NIE numbers, IBANs, and exact euro amounts. 20 SILTRA Social Security databases — the complete filing history for every subsidiary's workforce, containing números de afiliación, contribution bases, and employment records. <redacted> 2,690 customer loyalty cards with DNI/NIF identifiers — the entire customer-identity database. 888 Modelo 347 tax notifications — annual declarations to the Agencia Tributaria naming customers and suppliers with their DNI and transaction amounts. Complete financial records — 5 years of accounting journals, bank reconciliations, insurance policies, loan agreements, and invoices. Occupational health data (PRL) for 12+ subsidiaries — workplace injury reports, medical certificates, and risk assessments.

Data size

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Files

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Ransomware

Unknown

DayBreach AI intelligence

Company profile and current news · from web sources

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Timeline

  1. Record updated

    19 Ekim 2026 10:42

  2. Victim announced

    14 Ekim 2026 00:00

Attacker

A

Aurora

42 kurban

Aurora is a ransomware group associated with a multi-purpose Go-based malware distributed by multiple criminal teams from mid-2022, also sold as an infostealer/botnet under the same name on underground forums.

Estrategias BigMat S.L.U. ransomware leak · Aurora · DayBreach