Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-es -
resource tags
arch:x64arch:x86image:win10v2004-20240802-eslocale:es-esos:windows10-2004-x64systemwindows -
submitted
12-09-2024 18:41
Behavioral task
behavioral1
Sample
Solara/SolaraBootstrapper.exe
Resource
win7-20240729-es
Behavioral task
behavioral2
Sample
Solara/SolaraBootstrapper.exe
Resource
win10v2004-20240802-es
Behavioral task
behavioral3
Sample
Solara/bin/api.dll
Resource
win7-20240903-es
Behavioral task
behavioral4
Sample
Solara/bin/api.dll
Resource
win10v2004-20240802-es
General
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Target
Solara/bin/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
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 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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\ActiveX Compatibility\{D27CDB70-AE6D-11cf-96B8-444553540000}\Compatibility Flags = "65536" regsvr32.exe -
Modifies registry class 64 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.14\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.20\ = "Shockwave Flash Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.15\CLSID 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\Interface\{307F64C0-621D-4D56-BBC6-91EFC13CE40D}\TypeLib\ = "{57A0E746-3863-4D20-A811-950C84F1DB9B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.20\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-shockwave-flash regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.13\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories\{31CAF6E4-D6AA-4090-A050-A5AC8972E9EF} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{307F64C0-621D-4D56-BBC6-91EFC13CE40D}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.15\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus\1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.spl\ = "ShockwaveFlash.ShockwaveFlash" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.4\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" 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.16\CLSID\ = "{D27CDB6E-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\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell\open 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.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.19\ = "Shockwave Flash Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.swf 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\WOW6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\ = "_IShockwaveFlashEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{57A0E747-3863-4D20-A811-950C84F1DB9B}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.spl\Content Type = "application/futuresplash" 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.11\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus\1\ = "131473" 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}\InprocServer32 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\\Solara\\bin\\api.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\ = "Macromedia Flash Paper" 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 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Version\ = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sor\Content Type = "text/plain" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\TypeLib\ = "{D27CDB6B-AE6D-11CF-96B8-444553540000}" 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\Interface\{307F64C0-621D-4D56-BBC6-91EFC13CE40D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.11 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\ProgID\ = "ShockwaveFlash.ShockwaveFlash.23" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Solara\\bin\\api.dll, 1" 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\ShockwaveFlash.ShockwaveFlash.20 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.5\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Control regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib\ = "{D27CDB6B-AE6D-11CF-96B8-444553540000}" 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 5012 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 5108 wrote to memory of 5012 5108 regsvr32.exe regsvr32.exe PID 5108 wrote to memory of 5012 5108 regsvr32.exe regsvr32.exe PID 5108 wrote to memory of 5012 5108 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\Solara\bin\api.dll1⤵
- Suspicious use of WriteProcessMemory
PID:5108 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\Solara\bin\api.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5012