Nightspire - Ransom Note Deployment (T1486)

Ibrahim Saud@tektrix

•updated Jun 22, 2026•0•0•2

Correlates the deployment of the specific Nightspire ransom note (Nightspire_Readme.txt) across multiple directories during the encryption phase, identifying instances where more than 10 such files are created within a minute by the same process on a device.