FlawedGrace — Malware Profile

FlawedGrace is a fully featured remote access tool (RAT) written in C++ that was first observed in late 2017.

MITRE ATT&CK techniques (1)

• T1027.013 Encrypted/Encoded File

IntelFusions coverage

• TA505 Pivots from Phishing to CVE-2021-35211 SolarWinds Serv-U Exploitation: Cobalt Strike Delivery and RegIdleBackup COM Handler Hijacking for FlawedGrace RAT Persistence 2026-02-16

Attributed threat actors

• TA505

Read the full analysis on IntelFusions