HOMETHREATSCOZYDUKE
MALWARE FAMILY

COZYDUKE

Internal ID: win.cozyduke
1
aliases
Last seen:Mar 17, 2026

Intelligence Profile

CozyDuke is not simply a malware toolset; rather, it is a modular malware platform formed around

a core backdoor component. This component can be instructed by the C&C server to download

and execute arbitrary modules, and it is these modules that provide CozyDuke with its vast array

of functionality. Known CozyDuke modules include:

• Command execution module for executing arbitrary Windows Command Prompt commands

• Password stealer module

• NT LAN Manager (NTLM) hash stealer module

• System information gathering module

• Screenshot module

Threat Analysis

COZYDUKE 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

Quick Facts

TypeMalware Family
Aliases1

Also Known As

win.cozyduke

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
COZYDUKE — Malware Family | Threat Intelligence | CTIWATCH.COM