--- Name: Ieaframe.dll Description: Internet Browser DLL for translating HTML code. Author: Created: 2018-05-25 Commands: - Command: rundll32.exe ieframe.dll,OpenURL "C:\test\calc.url" Description: Launch an executable payload via proxy through a(n) URL (information) file by calling OpenURL. UseCase: Load an executable payload by calling a .url file with or without quotes. The .url file extension can be renamed. Category: Execute Privileges: User MitreID: T1085 MitreLink: https://attack.mitre.org/wiki/Technique/T1085 OperatingSystem: Windows Full_Path: - Path: c:\windows\system32\ieframe.dll - Path: c:\windows\syswow64\ieframe.dll Code_Sample: - Code: https://gist.githubusercontent.com/bohops/89d7b11fa32062cfe31be9fdb18f050e/raw/1206a613a6621da21e7fd164b80a7ff01c5b64ab/calc.url Detection: - IOC: Resources: - Link: http://www.hexacorn.com/blog/2018/03/15/running-programs-via-proxy-jumping-on-a-edr-bypass-trampoline-part-5/ - Link: https://bohops.com/2018/03/17/abusing-exported-functions-and-exposed-dcom-interfaces-for-pass-thru-command-execution-and-lateral-movement/ - Link: https://twitter.com/bohops/status/997690405092290561 - Link: https://windows10dll.nirsoft.net/ieframe_dll.html Acknowledgement: - Person: Jimmy Handle: '@bohops' - Person: Adam Handle: '@hexacorn' ---