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Analysis
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max time kernel
114s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
08/10/2022, 03:37
Static task
static1
Behavioral task
behavioral1
Sample
8aca6cba9d34ed2a8a1ee2d0e463d23f9859d78818d44af368159a6efdb2f3c7.dll
Resource
win7-20220901-en
3 signatures
150 seconds
General
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Target
8aca6cba9d34ed2a8a1ee2d0e463d23f9859d78818d44af368159a6efdb2f3c7.dll
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Size
1.1MB
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MD5
6f9bfe7cdff9cb41a2ee1aa8bff51303
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SHA1
3ed15d24669af5e91947cc3e958af846a649e785
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SHA256
8aca6cba9d34ed2a8a1ee2d0e463d23f9859d78818d44af368159a6efdb2f3c7
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SHA512
fd6f38cf41722181d673ed38b4999a73d1a75f968b9b37d0814e29df34de2303824c426c41c8ba6c7d391f08a74e86a05accbfec72e961202c3ed1627f87e1a4
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SSDEEP
24576:GUcRGx54wcfEifDl7Ku0Gavkg3NydlbbTX4IBAUZLYjA:tccx5fQzB7Ku0GaXO94IBAUZLYjA
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C145719C-BB7B-4C19-AB6B-0AD230511158} regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ = "ISearchHook" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook\ = "WebHook Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0\ = "WebMonitor 1.0 ÀàÐÍ¿â" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8aca6cba9d34ed2a8a1ee2d0e463d23f9859d78818d44af368159a6efdb2f3c7.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\WebMonitor.DLL regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\WebMonitor.DLL\AppID = "{AE404CA3-78EB-4A8C-9E91-D30561E495A4}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8aca6cba9d34ed2a8a1ee2d0e463d23f9859d78818d44af368159a6efdb2f3c7.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib\ = "{9CB9933E-0AE8-4993-8214-16F5179C7A30}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib\ = "{9CB9933E-0AE8-4993-8214-16F5179C7A30}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\ProgID\ = "WebMonitor.WebHook.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook\CLSID\ = "{C145719C-BB7B-4C19-AB6B-0AD230511158}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ = "ISearchHook" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AE404CA3-78EB-4A8C-9E91-D30561E495A4}\ = "WebMonitor" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib\ = "{9CB9933E-0AE8-4993-8214-16F5179C7A30}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AE404CA3-78EB-4A8C-9E91-D30561E495A4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\ = "WebHook Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ = "IWebHook" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ = "IWebHook" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\TypeLib\ = "{9CB9933E-0AE8-4993-8214-16F5179C7A30}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook\CurVer\ = "WebMonitor.WebHook.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook.1\ = "WebHook Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\AppID = "{AE404CA3-78EB-4A8C-9E91-D30561E495A4}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib\ = "{9CB9933E-0AE8-4993-8214-16F5179C7A30}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook.1\CLSID\ = "{C145719C-BB7B-4C19-AB6B-0AD230511158}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1216 wrote to memory of 4844 1216 regsvr32.exe 81 PID 1216 wrote to memory of 4844 1216 regsvr32.exe 81 PID 1216 wrote to memory of 4844 1216 regsvr32.exe 81
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\8aca6cba9d34ed2a8a1ee2d0e463d23f9859d78818d44af368159a6efdb2f3c7.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\8aca6cba9d34ed2a8a1ee2d0e463d23f9859d78818d44af368159a6efdb2f3c7.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4844
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