Analysis
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max time kernel
122s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
24-05-2024 03:36
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240.dll
Resource
win7-20240508-en
3 signatures
150 seconds
General
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Target
273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240.dll
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Size
1.1MB
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MD5
04a5564fc3aa23a8daffab33a52d5ae5
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SHA1
58a27860a38d3b460d4a0639e648e987bc9c062f
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SHA256
273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240
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SHA512
ea45ec14339d9285e368fae22c6d3c08477758eec41405100a11f02cb8e66db723a9d3f81af9e3ad4ec49b28bc6ddbe533ff62228bbb27ea98b091351c6113fe
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SSDEEP
24576:mFJkUeYqFyuaQxyfEifDl7Ku0Gavkg3NydlbbTX4IBAUZLYSO:KJneYqFyuHKzB7Ku0GaXO94IBAUZLYSO
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.
Processes:
regsvr32.exedescription 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
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\WebMonitor.DLL regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook 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\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 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}\AppID = "{AE404CA3-78EB-4A8C-9E91-D30561E495A4}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib\ = "{9CB9933E-0AE8-4993-8214-16F5179C7A30}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B} 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\WebMonitor.WebHook.1\CLSID\ = "{C145719C-BB7B-4C19-AB6B-0AD230511158}" 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}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\VersionIndependentProgID\ = "WebMonitor.WebHook" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib 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\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook.1 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}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158} 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\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}\TypeLib\ = "{9CB9933E-0AE8-4993-8214-16F5179C7A30}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899} 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\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\ = "WebMonitor 1.0 ÀàÐÍ¿â" 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\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib\ = "{9CB9933E-0AE8-4993-8214-16F5179C7A30}" 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}\ = "WebHook Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ = "IWebHook" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ = "ISearchHook" 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\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib\ = "{9CB9933E-0AE8-4993-8214-16F5179C7A30}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook.1\ = "WebHook Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\InprocServer32 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\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} regsvr32.exe 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\CLSID\ = "{C145719C-BB7B-4C19-AB6B-0AD230511158}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib 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\Wow6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\ProgID\ = "WebMonitor.WebHook.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0\0\win32 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\\273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240.dll" 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\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\TypeLib regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid process target process PID 2552 wrote to memory of 2748 2552 regsvr32.exe regsvr32.exe PID 2552 wrote to memory of 2748 2552 regsvr32.exe regsvr32.exe PID 2552 wrote to memory of 2748 2552 regsvr32.exe regsvr32.exe PID 2552 wrote to memory of 2748 2552 regsvr32.exe regsvr32.exe PID 2552 wrote to memory of 2748 2552 regsvr32.exe regsvr32.exe PID 2552 wrote to memory of 2748 2552 regsvr32.exe regsvr32.exe PID 2552 wrote to memory of 2748 2552 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2748