Mailru malware family

Mailru is a malware family tracked by MalwareAnalyzer by Cyble across 2 publicly analyzed samples. First seen 2026-08-12, most recently 2026-08-20. Observed ATT&CK techniques include T1071.001, T1112, T1543.003.

Corpus statistics

ATT&CK techniques used by Mailru

Extracted command-and-control infrastructure

Recent Mailru samples

Frequently asked about Mailru

What is Mailru?
Mailru is a malware family tracked by MalwareAnalyzer by Cyble across 2 publicly analyzed samples. First seen 2026-08-12, most recently 2026-08-20. Observed ATT&CK techniques include T1071.001, T1112, T1543.003.
How many Mailru samples have been analyzed?
MalwareAnalyzer by Cyble holds 2 publicly analyzed samples attributed to Mailru, first seen 2026-08-12 and most recently 2026-08-20. 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 Mailru use?
Across our Mailru samples the most frequently observed techniques are T1071.001 (2), T1112 (1), T1543.003 (1). Counts are the number of analyzed samples in which each technique was observed.
What file types does Mailru use?
Mailru samples in this corpus are distributed as pe (2).
Does Mailru use command-and-control infrastructure?
Yes. 1 distinct command-and-control indicator has been extracted from Mailru samples, either from static configuration or from traffic captured during sandbox detonation. The full list is published on the family page.
Is Mailru malicious?
2 of 2 analyzed Mailru 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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