WhisperGate is a destructive malware operation that targets multiple organizations in Ukraine. These searches detect and investigate unusual activities that might relate to WhisperGate malware, including looking for suspicious process execution, command-line activity, downloads, and DNS queries.
How to use Splunk software for this use case
To deploy this use case, make sure that you have the Splunk ES Content Updates installed on your Splunk Enterprise Security deployment. This extensive content library empowers you to deploy out-of-the-box security detections and analytic stories to enhance your investigations and improve your security posture. If you do not have Splunk Enterprise Security, these detections will still give you an idea of what you can accomplish with SPL in the Splunk platform or with the free app, Splunk Security Essentials.
Some of the detections that can help you with this use case include:
- Add or set Windows Defender exclusion
- Attempt to stop security service
- CMD carry out string command parameter
- Excessive file deletion in WinDefender folder
- Executables or script creation in suspicious path
- Impacket lateral movement commandline parameters
- Impacket lateral movement WMIExec commandline parameters
- Impacket lateral movement smbexec commandLine parameters
- Malicious PowerShell process - encoded command
- Ping sleep batch command
- Powershell remove Windows Defender Directory
- Powershell Windows Defender exclusion commands
- Process deleting its process file path
- Suspicious process DNS query known abuse web services
- Suspicious process file path
- Suspicious process with Discord DNS query
- Windows DotNet binary in non standard path
- Windows high file deletion frequency
- Windows InstallUtil in non standard path
- Windows LOLBin binary in non standard path
- Windows NirSoft AdvancedRun
- Windows NirSoft utilities
- Windows raw access to master boot record drive
- Wscript Or Cscript suspicious child process
Splunk OnDemand Services: Use these credit-based services for direct access to Splunk technical consultants with a variety of technical services from a pre-defined catalog. Most customers have OnDemand Services per their license support plan. Engage the ODS team at OnDemand-Inquires@splunk.
In addition, these Splunk resources might help you understand and implement this use case:
- Blog: Threat Hunting with Splunk: Hands-on Tutorials for the Active Hunter
- If you are a Splunk Enterprise Security customer, you can also get help from the Security Research team's support options on GitHub.