Bulz malware family

Bulz is a malware family tracked by MalwareAnalyzer by Cyble across 51 publicly analyzed samples. First seen 2026-07-28, most recently 2026-08-23. Observed ATT&CK techniques include T1056.001, T1071.001, T1057, T1112, T1055.

Corpus statistics

ATT&CK techniques used by Bulz

Extracted command-and-control infrastructure

Recent Bulz samples

Frequently asked about Bulz

What is Bulz?
Bulz is a malware family tracked by MalwareAnalyzer by Cyble across 51 publicly analyzed samples. First seen 2026-07-28, most recently 2026-08-23. Observed ATT&CK techniques include T1056.001, T1071.001, T1057, T1112, T1055.
How many Bulz samples have been analyzed?
MalwareAnalyzer by Cyble holds 51 publicly analyzed samples attributed to Bulz, first seen 2026-07-28 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 Bulz use?
Across our Bulz samples the most frequently observed techniques are T1056.001 (34), T1071.001 (26), T1057 (25), T1112 (20), T1055 (17), T1547.001 (14), T1105 (13), T1543.003 (10). Counts are the number of analyzed samples in which each technique was observed.
What file types does Bulz use?
Bulz samples in this corpus are distributed as pe (51).
Does Bulz use command-and-control infrastructure?
Yes. 3 distinct command-and-control indicators have been extracted from Bulz samples, either from static configuration or from traffic captured during sandbox detonation. The full list is published on the family page.
Is Bulz malicious?
51 of 51 analyzed Bulz 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.

Latest analyzed threats · ATT&CK coverage across the corpus · Threat trends