Analysis
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max time kernel
135s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
27-04-2024 09:35
Behavioral task
behavioral1
Sample
scripts.dll
Resource
win7-20240215-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
scripts.dll
Resource
win10v2004-20240419-en
windows10-2004-x64
4 signatures
150 seconds
Behavioral task
behavioral3
Sample
scripts.dll
Resource
win11-20240419-en
windows11-21h2-x64
4 signatures
150 seconds
General
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Target
scripts.dll
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Size
18.7MB
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MD5
88fd7dbf04bcf75123d02009aea3f7f7
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SHA1
cecf16bdad71e54afc941179ea2b7438a04efa1d
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SHA256
01481b9a862936fbc090bda4033f22d7ffa5a7bfe5dc32f47c7794332b34eec4
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SHA512
2c6298b5adf91b51f0042d48e0846f5b196d52a588fd4fc577bf19ec26ad8e547382279a15f8bf131b08b0d7c140534aff25f82d5e8998818b812e72c9493917
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SSDEEP
393216:hqA/D2IIyzg8DolBo6i0KoI6Di42sC1/syU3DXNs6hq8:hqcaZyV0fC1JOpjhq8
Score
1/10
Malware Config
Signatures
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Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\NavigatorPluginsList\Shockwave Flash\application/futuresplash regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\NavigatorPluginsList\Shockwave Flash\application/x-shockwave-flash regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\ActiveX Compatibility\{D27CDB70-AE6D-11cf-96B8-444553540000} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\ActiveX Compatibility\{D27CDB70-AE6D-11cf-96B8-444553540000}\Compatibility Flags = "65536" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\INTERNET EXPLORER\NAVIGATORPLUGINSLIST\SHOCKWAVE FLASH regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\NavigatorPluginsList\Shockwave Flash regsvr32.exe -
Modifies registry class 64 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\ToolboxBitmap32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\TypeLib\ = "{D27CDB6B-AE6D-11CF-96B8-444553540000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.8\ = "Shockwave Flash Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\ = "Shockwave Flash Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\VersionIndependentProgID\ = "ShockwaveFlash.ShockwaveFlash" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.20\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mfp\Content Type = "application/x-shockwave-flash" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\iexplore.exe\" %1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.5\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.7\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.23\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/futuresplash regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Control regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-shockwave-flash\Extension = ".swf" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.21 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.22 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.22\ = "Shockwave Flash Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\ = "Shockwave Flash" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.17\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Version\ = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{307F64C0-621D-4D56-BBC6-91EFC13CE40D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.15\ = "Shockwave Flash Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.17 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.4 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.4\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.8\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.15 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{307F64C0-621D-4D56-BBC6-91EFC13CE40D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.12 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\DefaultIcon regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.19\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.9\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\ = "IFlashAccessibility" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.1\ = "Shockwave Flash Object" regsvr32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
regsvr32.exepid process 3712 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 3684 wrote to memory of 3712 3684 regsvr32.exe regsvr32.exe PID 3684 wrote to memory of 3712 3684 regsvr32.exe regsvr32.exe PID 3684 wrote to memory of 3712 3684 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\scripts.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3684 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\scripts.dll2⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3712
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