Carbon Black Cloud: Observing a large number of alerts for code injection via CreateRemoteThread after upgrade to 3.7.0.1253

Products

• Carbon Black Cloud Endpoint Standard (formerly Cb Defense)

Issue/Introduction

• After upgrading or installing sensor version 3.7.0.1253, there are a large number of Alerts for "inject code" via CreateRemoteThread in the Carbon Black Cloud Console
• See Example Below:

The application c:\windows\system32\rundll32.exe attempted to inject code into the process "c:\windows\system32\searchindexer.exe", by calling the function "CreateRemoteThread". The operation was successful.

Environment

• Carbon Black Cloud Sensor (Windows): Version 3.7.0.1253

Cause

Issue currently under investigation

Resolution

• Carbon Black is currently investigating the root cause and fix for this issue
• These alerts can be safely be dismissed until a resolution can be provided
• If "inject code" alerts are being observed for any other function besides "CreateRemoteThread" or "NtQueueApcThread" (See Related Content Below), then please create a Support Case so we can investigate this issue further

Additional Information

Known issue "Unable to dismiss Alert "If this alert occurs in the future" is checked