diff --git a/yml/OSBinaries/msedgewebview2.yml b/yml/OSBinaries/msedgewebview2.yml new file mode 100644 index 0000000..0a3c561 --- /dev/null +++ b/yml/OSBinaries/msedgewebview2.yml @@ -0,0 +1,49 @@ +--- +Name: msedgewebview2.exe +Description: msedgewebview2.exe is the executable file for Microsoft Edge WebView2, which is a web browser control used by applications to display web content. +Author: Matan Bahar +Created: 2023-06-15 +Commands: + - Command: msedgewebview2.exe --no-sandbox --browser-subprocess-path="C:\Windows\System32\calc.exe" + Description: This command launches the Microsoft Edge WebView2 browser control without sandboxing and will spawn calc.exe as its subprocess. + Usecase: Proxy execution of binary + Category: Execute + Privileges: Low privileges + MitreID: T1202 + OperatingSystem: Windows 10, Windows 11 + - Command: msedgewebview2.exe --utility-cmd-prefix="calc.exe" + Description: This command launches the Microsoft Edge WebView2 browser control without sandboxing and will spawn calc.exe as its subprocess. + Usecase: Proxy execution of binary + Category: Execute + Privileges: User + MitreID: T1202 + OperatingSystem: Windows 10, Windows 11 + - Command: msedgewebview2.exe --disable-gpu-sandbox --gpu-launcher="calc.exe" + Description: This command launches the Microsoft Edge WebView2 browser control without sandboxing and will spawn calc.exe as its subprocess. + Usecase: Proxy execution of binary + Category: Execute + Privileges: User + MitreID: T1202 + OperatingSystem: Windows 10, Windows 11 + - Command: msedgewebview2.exe --no-sandbox --renderer-cmd-prefix="calc.exe" + Description: This command launches the Microsoft Edge WebView2 browser control without sandboxing and will spawn calc.exe as its subprocess. + Usecase: Proxy execution of binary + Category: Execute + Privileges: User + MitreID: T1202 + OperatingSystem: Windows 10, Windows 11 +Full_Path: + - Path: C:\Program Files (x86)\Microsoft\Edge\Application\114.0.1823.43\msedgewebview2.exe +Detection: + - IOC: 'msedgewebview2.exe spawned with any of the following: --gpu-launcher, --utility-cmd-prefix, --renderer-cmd-prefix, --browser-subprocess-path' +Resources: + - Link: https://medium.com/@MalFuzzer/one-electron-to-rule-them-all-dc2e9b263daf +Acknowledgement: + - Person: Uriel Kosayev + Handle: '@MalFuzzer' + - Person: Hai Vaknin + Handle: '@VakninHai' + - Person: Tamir Yehuda + Handle: '@Tamirye94' + - Person: Matan Bahar + Handle: '@Bl4ckShad3'