MITRE ATT&CKsoftware (malware)

S9052 MiniFast

Published 2026-09-24 Modified 2026-10-01 Official page ↗
Domain
enterprise
Platforms
Windows
Version
1.0
Created
2026-09-24

Description

MiniFast is a custom malware designed for long-term persistence and remote code execution. MiniFast is a modular malware suspected of being generated using artificial intelligence (AI). MiniFast was first observed in early-2026 and is a modified version of the MiniJunk framework. MiniFast has been affiliated with the cyber espionage threat group NIMBUS MANTICORE.

Related

Uses · MITRE ATT&CK (21)

  • T1680 Local Storage Discovery technique
  • T1036.012 Browser Fingerprint sub-technique
  • T1027.015 Compression sub-technique
  • T1071.001 Web Protocols sub-technique
  • T1132.001 Standard Encoding sub-technique
  • T1074.001 Local Data Staging sub-technique
  • T1059.003 Windows Command Shell sub-technique
  • T1560.001 Archive via Utility sub-technique
  • T1134.002 Create Process with Token sub-technique
  • T1553.002 Code Signing sub-technique
  • T1070.004 File Deletion sub-technique
  • T1053.005 Scheduled Task sub-technique
  • T1489 Service Stop technique
  • T1140 Deobfuscate/Decode Files or Information technique
  • T1005 Data from Local System technique
  • T1033 System Owner/User Discovery technique
  • T1041 Exfiltration Over C2 Channel technique
  • T1057 Process Discovery technique
  • T1082 System Information Discovery technique
  • T1083 File and Directory Discovery technique
  • T1105 Ingress Tool Transfer technique

Referenced by MITRE ATT&CK · uses (1)

  • G1059 NIMBUS MANTICORE group

References