Fsysna malware family

Fsysna is a malware family tracked by MalwareAnalyzer by Cyble across 67 publicly analyzed samples. First seen 2026-08-01, most recently 2026-08-11. Observed ATT&CK techniques include T1071.001, T1547.001, T1112, T1543.003, T1105.

Corpus statistics

ATT&CK techniques used by Fsysna

Recent Fsysna samples

Frequently asked about Fsysna

What is Fsysna?
Fsysna is a malware family tracked by MalwareAnalyzer by Cyble across 67 publicly analyzed samples. First seen 2026-08-01, most recently 2026-08-11. Observed ATT&CK techniques include T1071.001, T1547.001, T1112, T1543.003, T1105.
How many Fsysna samples have been analyzed?
MalwareAnalyzer by Cyble holds 67 publicly analyzed samples attributed to Fsysna, first seen 2026-08-01 and most recently 2026-08-11. 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 Fsysna use?
Across our Fsysna samples the most frequently observed techniques are T1071.001 (67), T1547.001 (67), T1112 (51), T1543.003 (49), T1105 (18). Counts are the number of analyzed samples in which each technique was observed.
What file types does Fsysna use?
Fsysna samples in this corpus are distributed as pe (67).
Is Fsysna malicious?
67 of 67 analyzed Fsysna 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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