LazyWiper
- ID
- S9039
- Type
- Malware
- Platforms
- Windows
- Source
- attack.mitre.org
- MITRE last modified
- 12 May 2026
LazyWiper is a destructive malware observed targeting a manufacturing sector company during the 2025 Poland Wiper Attacks. LazyWiper is a native Windows PowerShell script that is believed to have been generated by a large language model (LLM). LazyWiper overwrites files on the system using the C# function WriteRandomBytes() and can target multiple specific file types by their extensions.[1]
Techniques used (8)
- T1059.001 PowerShell
- T1082 System Information Discovery
- T1083 File and Directory Discovery
- T1480 Execution Guardrails
- T1485 Data Destruction
- T1588.007 Artificial Intelligence
- T1679 Selective Exclusion
- T1685 Disable or Modify Tools