title: Potential COLDSTEEL RAT File Indicators
id: c708a93f-46b4-4674-a5b8-54aa6219c5fa
status: test
description: Detects the creation of a file named "dllhost.exe" in the "C:\users\public\Documents\" directory. Seen being used by the COLDSTEEL RAT in some of its variants.
references:
- https://www.ncsc.gov.uk/static-assets/documents/malware-analysis-reports/cold-steel/NCSC-MAR-Cold-Steel.pdf
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-04-30
tags:
- attack.persistence
- detection.emerging-threats
- attack.stealth
logsource:
category: file_event
product: windows
detection:
selection:
TargetFilename: 'C:\users\public\Documents\dllhost.exe'
condition: selection
falsepositives:
- Unknown
level: high