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Exilware is a Brazilian, financially motivated cybercriminal actor operating an initial-access-broker business. Since February 2026, it has operated the Infect Marketplace, also known as Infected Marketplace or Banco de Infects, selling access to compromised Windows systems and enabling purchasers to execute secondary tools and malware. Its activity primarily focuses on Brazilian corporate environments, with additional targeting in Latin America and Spain. Access to compromised United States hosts has also been advertised, without establishing a sustained geographic expansion. Target environments include financial organizations, e-commerce businesses, industrial enterprises, government and law-enforcement entities, healthcare organizations, and technology and communications infrastructure. Exilware's principal malware framework is BraZetsu, a Python-based Windows platform compiled with Nuitka and assessed with high confidence to be the same framework as AgenteV2. Five versions observed between February and May 2026 show its evolution from a remote-access tool into an extensive reconnaissance and access-brokering platform. BraZetsu inventories operating systems, processes, installed software, network services, browser histories, and enterprise applications to identify commercially valuable hosts. It searches for Brazilian CNAB financial-remittance files, identifies banking activity, and steals digital certificates and victim-system information. BraZetsu supports remote command execution, screenshot capture, and deployment of additional payloads. Early versions established persistence through Windows Registry Run keys. Its evasion techniques include executable masquerading, hidden console activity, and compiled Python payloads. It retrieves encoded and encrypted command-and-control configuration through Pastebin dead drops and maintains interactive WebSocket communications over TLS, allowing infrastructure changes without rebuilding deployed malware. The exact initial infection mechanism remains unconfirmed. Exilware's established business model is access resale rather than ransomware or direct payment manipulation.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
34 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
1 malware family attributed to this actor across reporting.
35 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Brazilian actor linked with high confidence by Group-IB to BraZetsu, a Python-based initial-access framework compiled with Nuitka. The framework compromises Windows machines and inventories potentially valuable software and files to support access sales. The article does not explicitly define Exilware's organizational relationship with Infected Marketplace.
Brazilian actor associated with BraZetsu and an initial-access brokerage marketplace selling access to compromised Windows hosts. BraZetsu evolved from a remote-access tool into a host-profiling platform that collects information useful to prospective buyers. This research identifies additional panel and C2 infrastructure and assesses continuity between Contabo and Njalla hosting with medium confidence; it does not independently validate the published high-confidence actor attribution. Evidence primarily concerns Brazil, with additional targeting in Argentina, Mexico and Chile. Two advertised U.S. hosts are noted but do not establish a broader change in operating geography.
Brazilian financially motivated initial-access-broker operator that develops and operates BraZetsu and the restricted Infect Marketplace ('Banco de Infects'). It automates reconnaissance and commercial valuation of compromised hosts, then sells access to customers capable of deploying follow-on payloads.
Brazilian cybercriminal operator of the Infect Marketplace/Banco de Infects initial-access marketplace. It develops and operates the BraZetsu/AgenteV2 Python-Nuitka framework to profile compromised hosts, steal browser, financial, certificate, and system data, and sell access to compromised machines. The framework includes server-side AI-assisted sorting and prioritization of stolen data.
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Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.