Analysis
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max time kernel
93s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
25-02-2024 19:16
Behavioral task
behavioral1
Sample
Aurora V3.1.rar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Aurora V3.1.rar
Resource
win10v2004-20240221-en
Behavioral task
behavioral3
Sample
Aurora/Aurora.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Aurora/Aurora.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral5
Sample
Aurora/scripts/scripts.dll
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
Aurora/scripts/scripts.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral7
Sample
README.txt
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
README.txt
Resource
win10v2004-20240221-en
General
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Target
Aurora/scripts/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
Malware Config
Signatures
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Processes:
regsvr32.exedescription ioc process 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 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 -
Modifies registry class 64 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\ = "IFlashAccessibility" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\ = "Macromedia Flash Paper" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\ = "IFlashObject" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.swf\Content Type = "application/x-shockwave-flash" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.4 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.23\ = "Shockwave Flash Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\CurVer\ = "ShockwaveFlash.ShockwaveFlash.23" 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\{D27CDB70-AE6D-11cf-96B8-444553540000}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib\ = "{D27CDB6B-AE6D-11CF-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\0 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\ShockwaveFlash.ShockwaveFlash.4\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Programmable 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\ShockwaveFlash.ShockwaveFlash.10\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.22\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.5\ = "Shockwave Flash Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus\1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.7 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\TypeLib\ = "{D27CDB6B-AE6D-11CF-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.18 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Aurora\\scripts\\scripts.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\TypeLib\ = "{57A0E746-3863-4D20-A811-950C84F1DB9B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.17\ = "Shockwave Flash Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.18\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.13\ = "Shockwave Flash Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.3\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.11\ = "Shockwave Flash Object" 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\{D27CDB70-AE6D-11cf-96B8-444553540000}\TypeLib\ = "{D27CDB6B-AE6D-11cf-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mfp regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{307F64C0-621D-4D56-BBC6-91EFC13CE40D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.13 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.17 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\DefaultIcon\ = "C:\\Program Files (x86)\\Internet Explorer\\iexplore.exe,-17" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib\ = "{D27CDB6B-AE6D-11CF-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.16\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.19 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\ToolboxBitmap32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.13\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Aurora\\scripts\\scripts.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.9\ = "Shockwave Flash Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Aurora\\scripts" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.8\CLSID regsvr32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
regsvr32.exepid process 3460 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 2912 wrote to memory of 3460 2912 regsvr32.exe regsvr32.exe PID 2912 wrote to memory of 3460 2912 regsvr32.exe regsvr32.exe PID 2912 wrote to memory of 3460 2912 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\Aurora\scripts\scripts.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\Aurora\scripts\scripts.dll2⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3460