Fragtor malware family

Fragtor is a malware family tracked by MalwareAnalyzer by Cyble across 21 publicly analyzed samples. First seen 2026-07-29, most recently 2026-08-23. Observed ATT&CK techniques include T1105, T1112, T1071.001, T1547.001.

Corpus statistics

ATT&CK techniques used by Fragtor

Extracted command-and-control infrastructure

Recent Fragtor samples

Frequently asked about Fragtor

What is Fragtor?
Fragtor is a malware family tracked by MalwareAnalyzer by Cyble across 21 publicly analyzed samples. First seen 2026-07-29, most recently 2026-08-23. Observed ATT&CK techniques include T1105, T1112, T1071.001, T1547.001.
How many Fragtor samples have been analyzed?
MalwareAnalyzer by Cyble holds 21 publicly analyzed samples attributed to Fragtor, 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 Fragtor use?
Across our Fragtor samples the most frequently observed techniques are T1105 (11), T1112 (2), T1071.001 (1), T1547.001 (1). Counts are the number of analyzed samples in which each technique was observed.
What file types does Fragtor use?
Fragtor samples in this corpus are distributed as pe (21).
Does Fragtor use command-and-control infrastructure?
Yes. 8 distinct command-and-control indicators have been extracted from Fragtor samples, either from static configuration or from traffic captured during sandbox detonation. The full list is published on the family page.
Is Fragtor malicious?
21 of 21 analyzed Fragtor 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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