Juko malware family

Juko is a malware family tracked by MalwareAnalyzer by Cyble across 34 publicly analyzed samples. First seen 2026-07-29, most recently 2026-08-23. Observed ATT&CK techniques include T1057, T1071.001, T1112, T1543.003, T1105.

Corpus statistics

ATT&CK techniques used by Juko

Recent Juko samples

Frequently asked about Juko

What is Juko?
Juko is a malware family tracked by MalwareAnalyzer by Cyble across 34 publicly analyzed samples. First seen 2026-07-29, most recently 2026-08-23. Observed ATT&CK techniques include T1057, T1071.001, T1112, T1543.003, T1105.
How many Juko samples have been analyzed?
MalwareAnalyzer by Cyble holds 34 publicly analyzed samples attributed to Juko, first seen 2026-07-29 and most recently 2026-08-23. This counts public submissions to this platform only, so it is a measure of what we have seen rather than of the family's total prevalence.
What MITRE ATT&CK techniques does Juko use?
Across our Juko samples the most frequently observed techniques are T1057 (34), T1071.001 (34), T1112 (23), T1543.003 (23), T1105 (22), T1547.001 (22), T1562.001 (9). Counts are the number of analyzed samples in which each technique was observed.
What file types does Juko use?
Juko samples in this corpus are distributed as pe (34).
Is Juko malicious?
34 of 34 analyzed Juko samples were scored malicious by the fused verdict, which combines multi-engine static scanning, YARA and hash reputation with behavior captured during real sandbox detonation. Each report lists every signal that contributed to its score.

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