Triusor malware family

Triusor is a malware family tracked by MalwareAnalyzer by Cyble across 3 publicly analyzed samples. First seen 2026-08-15, most recently 2026-08-21. Observed ATT&CK techniques include T1003, T1055, T1056.001, T1057, T1555.

Corpus statistics

ATT&CK techniques used by Triusor

Extracted command-and-control infrastructure

Recent Triusor samples

Frequently asked about Triusor

What is Triusor?
Triusor is a malware family tracked by MalwareAnalyzer by Cyble across 3 publicly analyzed samples. First seen 2026-08-15, most recently 2026-08-21. Observed ATT&CK techniques include T1003, T1055, T1056.001, T1057, T1555.
How many Triusor samples have been analyzed?
MalwareAnalyzer by Cyble holds 3 publicly analyzed samples attributed to Triusor, first seen 2026-08-15 and most recently 2026-08-21. 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 Triusor use?
Across our Triusor samples the most frequently observed techniques are T1003 (3), T1055 (3), T1056.001 (3), T1057 (3), T1555 (3), T1547.001 (2). Counts are the number of analyzed samples in which each technique was observed.
What file types does Triusor use?
Triusor samples in this corpus are distributed as pe (3).
Does Triusor use command-and-control infrastructure?
Yes. 1 distinct command-and-control indicator has been extracted from Triusor samples, either from static configuration or from traffic captured during sandbox detonation. The full list is published on the family page.
Is Triusor malicious?
3 of 3 analyzed Triusor 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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