Ragnar Locker
Techniques Used |
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Domain | ID | Name | Use | |
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Enterprise | T1059 | .003 | Command and Scripting Interpreter: Windows Command Shell |
Ragnar Locker has used cmd.exe and batch scripts to execute commands.(Citation: Sophos Ragnar May 2020) |
Enterprise | T1543 | .003 | Create or Modify System Process: Windows Service |
Ragnar Locker has used sc.exe to create a new service for the VirtualBox driver.(Citation: Sophos Ragnar May 2020) |
Enterprise | T1564 | .006 | Hide Artifacts: Run Virtual Instance |
Ragnar Locker has used VirtualBox and a stripped Windows XP virtual machine to run itself. The use of a shared folder specified in the configuration enables Ragnar Locker to encrypt files on the host operating system, including files on any mapped drives.(Citation: Sophos Ragnar May 2020) |
Enterprise | T1562 | .001 | Impair Defenses: Disable or Modify Tools |
Ragnar Locker has attempted to terminate/stop processes and services associated with endpoint security products.(Citation: Sophos Ragnar May 2020) |
Enterprise | T1218 | .007 | System Binary Proxy Execution: Msiexec |
Ragnar Locker has been delivered as an unsigned MSI package that was executed with |
.010 | System Binary Proxy Execution: Regsvr32 |
Ragnar Locker has used regsvr32.exe to execute components of VirtualBox.(Citation: Sophos Ragnar May 2020) |
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.011 | System Binary Proxy Execution: Rundll32 |
Ragnar Locker has used rundll32.exe to execute components of VirtualBox.(Citation: Sophos Ragnar May 2020) |
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Enterprise | T1569 | .002 | System Services: Service Execution |
Ragnar Locker has used sc.exe to execute a service that it creates.(Citation: Sophos Ragnar May 2020) |
References
- SophosLabs. (2020, May 21). Ragnar Locker ransomware deploys virtual machine to dodge security. Retrieved June 29, 2020.
- Gold, B. (2020, April 27). Cynet Detection Report: Ragnar Locker Ransomware. Retrieved June 29, 2020.
- FBI. (2020, November 19). Indicators of Compromise Associated with Ragnar Locker Ransomware. Retrieved April 1, 2021.
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