DarkGate - Autoit3.EXE File Creation By Uncommon Process
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About the rule
Rule Type
Standard
Rule Description
Detects the usage of curl.exe, KeyScramblerLogon, or other non-standard/suspicious processes used to create Autoit3.exe. This activity has been associated with DarkGate malware, which uses Autoit3.exe to execute shellcode that performs process injection and connects to the DarkGate command-and-control server. Curl, KeyScramblerLogon, and these other processes consitute non-standard and suspicious ways to retrieve the Autoit3 executable.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "File Created or Modified" AND PROCESSNAME endswith "\Autoit3.exe,\curl.exe,\ExtExport.exe,\KeyScramblerLogon.exe,\wmprph.exe" AND (FILENAME endswith "\Autoit3.exe" OR OBJECTNAME endswith "\Autoit3.exe") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Micah Babinski
