This analytic identifies XMRIG coinminer driver installation on the system. The XMRIG driver name by default is
WinRing0x64.sys. This cpu miner is an open source project that is commonly abused by adversaries to infect and mine bitcoin.
- Type: TTP
- Product: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud
- Datamodel: Endpoint
- Last Updated: 2021-04-29
- Author: Teoderick Contreras, Splunk
- ID: 90080fa6-a8df-11eb-91e4-acde48001122
Kill Chain Phase
1 2 3 4 5 `sysmon` EventCode=6 Signature="Noriyuki MIYAZAKI" OR ImageLoaded= "*\\WinRing0x64.sys" | stats min(_time) as firstTime max(_time) as lastTime count by Computer ImageLoaded Hashes IMPHASH Signature Signed | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `xmrig_driver_loaded_filter`
The SPL above uses the following Macros:
xmrig_driver_loaded_filter is a empty macro by default. It allows the user to filter out any results (false positives) without editing the SPL.
List of fields required to use this analytic.
How To Implement
To successfully implement this search, you need to be ingesting logs with the driver loaded and Signature from your endpoints. If you are using Sysmon, you must have at least version 6.0.4 of the Sysmon TA.
Known False Positives
False positives should be limited.
Associated Analytic Story
|80.0||80||100||A driver $ImageLoaded$ related to xmrig crytominer loaded in host $Computer$|
The Risk Score is calculated by the following formula: Risk Score = (Impact * Confidence/100). Initial Confidence and Impact is set by the analytic author.
source | version: 1