N40

Internal ID: win.n40

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Botnet with focus on banks in Latin America and South America.

Relies on DLL Sideloading attacks to execute malicious DLL files.

Uses legitimate VMWare executable in attacks.

As of March 2019, the malware is under active development with updated versions coming out on persistent basis.

Threat Analysis

N40 is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

External References

→https://www.slideshare.net/elevenpaths/n40-the-botnet-created-in-brazil-which-evolves-to-attack-the-chilean-banking-sector

→http://blog.en.elevenpaths.com/2018/05/new-report-malware-attacks-chilean.html

→https://socprime.com/en/news/attackers-exploit-dll-hijacking-to-bypass-smartscreen/

→http://reversingminds-blog.logdown.com/posts/7807545-analysis-of-advanced-brazilian-banker-malware

Quick Facts

TypeMalware Family

Aliases1

Also Known As

win.n40

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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