GuLoader
- ID
- S0561
- Type
- Malware
- Platforms
- Windows
- Source
- attack.mitre.org
- MITRE last modified
- 25 Apr 2025
GuLoader is a file downloader that has been used since at least December 2019 to distribute a variety of remote administration tool (RAT) malware, including NETWIRE, Agent Tesla, NanoCore, FormBook, and Parallax RAT.[1][2]
Techniques used (12)
- T1055 Process Injection
- T1070.004 File Deletion
- T1071.001 Web Protocols
- T1102 Web Service
- T1105 Ingress Tool Transfer
- T1106 Native API
- T1204.001 Malicious Link
- T1204.002 Malicious File
- T1497.001 System Checks
- T1497.003 Time Based Checks
- T1547.001 Registry Run Keys / Startup Folder
- T1566.002 Spearphishing Link