Analysis
- max time kernel
131s - max time network
101s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
24/05/2024, 03:36
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240.dll
Resource
win7-20240508-en
windows7-x64
3 signatures
150 seconds
General
- Target 273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240.dll
- Size 1.1MB
- Sample240524-d53f4abe81
- SHA256 273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240
- MD5 04a5564fc3aa23a8daffab33a52d5ae5
- SHA1 58a27860a38d3b460d4a0639e648e987bc9c062f
- SHA512 ea45ec14339d9285e368fae22c6d3c08477758eec41405100a11f02cb8e66db723a9d3f81af9e3ad4ec49b28bc6ddbe533ff62228bbb27ea98b091351c6113fe
- SSDEEP 24576:mFJkUeYqFyuaQxyfEifDl7Ku0Gavkg3NydlbbTX4IBAUZLYSO:KJneYqFyuHKzB7Ku0GaXO94IBAUZLYSO
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\VersionIndependentProgID 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899} 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}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib 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\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\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\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib\Version = "1.0" 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\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib\ = "{9CB9933E-0AE8-4993-8214-16F5179C7A30}" 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\WebMonitor.WebHook\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook\CurVer\ = "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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ = "ISearchHook" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\WebMonitor.DLL regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook.1\ = "WebHook Class" 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\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ = "IWebHook" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook.1\CLSID 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\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AE404CA3-78EB-4A8C-9E91-D30561E495A4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0\FLAGS\ = "0" 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\ = "WebHook Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WebMonitor.WebHook\CurVer 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\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ProxyStubClsid32 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}\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\TypeLib\{9CB9933E-0AE8-4993-8214-16F5179C7A30}\1.0\0 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib 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\WebMonitor.WebHook.1 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}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 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\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}\ProgID 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\AppID\{AE404CA3-78EB-4A8C-9E91-D30561E495A4}\ = "WebMonitor" 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\WOW6432Node\CLSID\{C145719C-BB7B-4C19-AB6B-0AD230511158}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\TypeLib\Version = "1.0" 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\WebMonitor.WebHook 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\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\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899}\ = "IWebHook" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D00348EA-79DE-4F4B-970E-F9C22FD41899} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FF5CF07-1BC0-4BFB-9EE9-8AD744F6710B}\ = "ISearchHook" regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1448 wrote to memory of 3848 1448 regsvr32.exe 82 PID 1448 wrote to memory of 3848 1448 regsvr32.exe 82 PID 1448 wrote to memory of 3848 1448 regsvr32.exe 82
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\273c5aed2485bd5a9ba5c32362820aafaa87b52cbe73389b37bc6be3774fe240.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:3848
-