Finfish malware family

Finfish is a malware family tracked by MalwareAnalyzer by Cyble across 13 publicly analyzed samples. First seen 2026-08-09, most recently 2026-08-23. Observed ATT&CK techniques include T1543.003, T1112, T1059.001.

Corpus statistics

ATT&CK techniques used by Finfish

Recent Finfish samples

Frequently asked about Finfish

What is Finfish?
Finfish is a malware family tracked by MalwareAnalyzer by Cyble across 13 publicly analyzed samples. First seen 2026-08-09, most recently 2026-08-23. Observed ATT&CK techniques include T1543.003, T1112, T1059.001.
How many Finfish samples have been analyzed?
MalwareAnalyzer by Cyble holds 13 publicly analyzed samples attributed to Finfish, first seen 2026-08-09 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 Finfish use?
Across our Finfish samples the most frequently observed techniques are T1543.003 (6), T1112 (2), T1059.001 (1). Counts are the number of analyzed samples in which each technique was observed.
What file types does Finfish use?
Finfish samples in this corpus are distributed as pe (13).
Is Finfish malicious?
13 of 13 analyzed Finfish 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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