Rhadamanthys Stealer Module Launch Via Rundll32.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects the use of Rundll32 to launch an NSIS module that serves as the main stealer capability of Rhadamanthys infostealer, as observed in reports and samples in early 2023
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (ORIGINALFILENAME = "RUNDLL32.EXE" OR PROCESSNAME endswith "\rundll32.exe") AND COMMANDLINE contains "nsis_uns" AND COMMANDLINE contains "PrintUIEntry" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
TropChaud
