Clop Ransomware
Description
Leverage searches that allow you to detect and investigate unusual activities that might relate to the Clop ransomware, including looking for file writes associated with Clope, encrypting network shares, deleting and resizing shadow volume storage, registry key modification, deleting of security logs, and more.
- Product: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud
- Datamodel: Endpoint
- Last Updated: 2021-03-17
- Author: Rod Soto, Teoderick Contreras, Splunk
- ID: 5a6f6849-1a26-4fae-aa05-fa730556eeb6
Narrative
Clop ransomware campaigns targeting healthcare and other vertical sectors, involve the use of ransomware payloads along with exfiltration of data per HHS bulletin. Malicious actors demand payment for ransome of data and threaten deletion and exposure of exfiltrated data.
Detections
Reference
- https://www.hhs.gov/sites/default/files/analyst-note-cl0p-tlp-white.pdf
- https://securityaffairs.co/wordpress/115250/data-breach/qualys-clop-ransomware.html
- https://www.darkreading.com/attacks-breaches/qualys-is-the-latest-victim-of-accellion-data-breach/d/d-id/1340323
source | version: 1