GuLoader — Malware Profile

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.

MITRE ATT&CK techniques (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

Read the full analysis on IntelFusions