FrostyGoop Incident

FrostyGoop Incident took place in January 2024 against a municipal district heating company in Ukraine. Following initial access via likely exploitation of external facing services, FrostyGoop was used to manipulate ENCO control systems via legitimate Modbus commands to impact the delivery of heating services to Ukrainian civilians.[1][2]

ID: C0041
First Seen:  January 2024 [1]
Last Seen:  January 2024 [1]
Version: 1.0
Created: 20 November 2024
Last Modified: 05 March 2025

Techniques Used

Domain ID Name Use
ICS T0826 Loss of Availability

During FrostyGoop Incident, the adversary modified victim control system parameters resulting in the loss of heating services to impacted district heating customers.[1]

ICS T0829 Loss of View

During FrostyGoop Incident, the adversary initiated a firmware downgrade on victim devices to a version lacking monitoring.[1]

ICS T0836 Modify Parameter

In FrostyGoop Incident, the adversary caused the victim controllers to report incorrect measurements by modifying parameters.[1]

ICS T0857 System Firmware

During FrostyGoop Incident, the adversary initiated a firmware downgrade on impacted devices.[1]

Software

ID Name Description
S1165 FrostyGoop

FrostyGoop Incident used FrostyGoop to manipulate OT devices to induce a district heating disruption in Ukraine.[1]

References