Analysis
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max time kernel
98s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13-09-2024 13:00
Behavioral task
behavioral1
Sample
api.dll
Resource
win7-20240903-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
api.dll
Resource
win10v2004-20240802-en
5 signatures
150 seconds
General
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Target
api.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
3/10
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
regsvr32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.13\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.14\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.23\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" 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\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.5\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.14\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.swf\ = "ShockwaveFlash.ShockwaveFlash" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{307F64C0-621D-4D56-BBC6-91EFC13CE40D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\iexplore.exe\" %1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.19\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\ProgID\ = "ShockwaveFlash.ShockwaveFlash.23" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.swf regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{307F64C0-621D-4D56-BBC6-91EFC13CE40D}\TypeLib\ = "{57A0E746-3863-4D20-A811-950C84F1DB9B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{307F64C0-621D-4D56-BBC6-91EFC13CE40D}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.13\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.17\ = "Shockwave Flash Object" 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}\ = "IShockwaveFlash" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.9\ = "Shockwave Flash Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.22\ = "Shockwave Flash Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.22\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\ = "IShockwaveFlash" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\TypeLib\ = "{57A0E746-3863-4D20-A811-950C84F1DB9B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage\.mfp regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.1\ = "Shockwave Flash Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.8\ = "Shockwave Flash Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.8\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.18\ = "Shockwave Flash Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.22\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.swf\Content Type = "application/x-shockwave-flash" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sol\Content Type = "text/plain" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.8 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.3\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\api.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\ = "FlashAccessibility" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.16\ = "Shockwave Flash Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mfp regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib\ = "{D27CDB6B-AE6D-11CF-96B8-444553540000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{307F64C0-621D-4D56-BBC6-91EFC13CE40D}\TypeLib\ = "{57A0E746-3863-4D20-A811-950C84F1DB9B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.8\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.14 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.15\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.16\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.20\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}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.11\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib\Version = "1.0" regsvr32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
regsvr32.exepid process 3892 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 4312 wrote to memory of 3892 4312 regsvr32.exe regsvr32.exe PID 4312 wrote to memory of 3892 4312 regsvr32.exe regsvr32.exe PID 4312 wrote to memory of 3892 4312 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\api.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4312 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\api.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3892