Analysis
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max time kernel
145s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
05/01/2024, 19:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4435ebe40727a16784e8cb49970fc42e.dll
Resource
win7-20231215-en
4 signatures
150 seconds
General
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Target
4435ebe40727a16784e8cb49970fc42e.dll
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Size
228KB
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MD5
4435ebe40727a16784e8cb49970fc42e
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SHA1
96c014bd53c61a7f8bec149aaae96f9b8a74ff1f
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SHA256
863ab236960ba78124392967c64b68510b6e58a65b1ecd7423f5b201d0a621ba
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SHA512
d595437c13b0a15475f403c5d959bb734686106f7b63b1d15ac434c9e6007c92132e58a3c5168435b2b117a415318edc1ab16c3668737685e46f38ec5c3cd429
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SSDEEP
3072:046DQsZtCz5ycLqHvK5f5iu/uXXGf2XVeBFiYnkH04FEzHSPhnj3aOGJYt3FxGFW:046kF5hEKiXG+FeFzyPhmud
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 2 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\{0494D0D1-F8E0-41ad-92A3-14154ECE70AC} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0494D0D1-F8E0-41ad-92A3-14154ECE70AC}\ = "myBar BHO" regsvr32.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar\{0494D0D9-F8E0-41ad-92A3-14154ECE70AC} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D2-F8E0-41ad-92A3-14154ECE70AC}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D3-F8E0-41ad-92A3-14154ECE70AC} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MyWayToolBar.NetscapeShutdown\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0494D0D0-F8E0-41AD-92A3-14154ECE70AC}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0DB-F8E0-41ad-92A3-14154ECE70AC} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0DB-F8E0-41ad-92A3-14154ECE70AC}\MiscStatus\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0494D0DA-F8E0-41AD-92A3-14154ECE70AC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D2-F8E0-41ad-92A3-14154ECE70AC}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0494D0D0-F8E0-41AD-92A3-14154ECE70AC}\1.0\ = "Toolbar 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0494D0DA-F8E0-41AD-92A3-14154ECE70AC}\ = "IMyWaySettings" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D2-F8E0-41ad-92A3-14154ECE70AC}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0494D0D0-F8E0-41AD-92A3-14154ECE70AC}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0494D0DC-F8E0-41AD-92A3-14154ECE70AC}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MyWayToolBar.NetscapeStartup\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D7-F8E0-41ad-92A3-14154ECE70AC}\TypeLib\ = "{0494D0D0-F8E0-41ad-92A3-14154ECE70AC}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D5-F8E0-41ad-92A3-14154ECE70AC}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0DB-F8E0-41ad-92A3-14154ECE70AC}\VersionIndependentProgID\ = "MyWayToolBar.SettingsPlugin" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0DB-F8E0-41ad-92A3-14154ECE70AC}\MiscStatus regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0494D0D6-F8E0-41AD-92A3-14154ECE70AC}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D2-F8E0-41ad-92A3-14154ECE70AC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4435ebe40727a16784e8cb49970fc42e.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0494D0DC-F8E0-41AD-92A3-14154ECE70AC}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0494D0D0-F8E0-41AD-92A3-14154ECE70AC}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D2-F8E0-41ad-92A3-14154ECE70AC}\MiscStatus\1\ = "131473" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D1-F8E0-41ad-92A3-14154ECE70AC}\ = "myBar BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0494D0D6-F8E0-41AD-92A3-14154ECE70AC}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MyWayToolBar.NetscapeStartup\CLSID\ = "{0494D0D7-F8E0-41ad-92A3-14154ECE70AC}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0494D0D6-F8E0-41AD-92A3-14154ECE70AC}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0DB-F8E0-41ad-92A3-14154ECE70AC}\TypeLib\ = "{0494D0D0-F8E0-41ad-92A3-14154ECE70AC}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D3-F8E0-41ad-92A3-14154ECE70AC}\MiscStatus regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D1-F8E0-41ad-92A3-14154ECE70AC}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0DB-F8E0-41ad-92A3-14154ECE70AC}\ProgID\ = "MyWayToolBar.SettingsPlugin.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0DB-F8E0-41ad-92A3-14154ECE70AC}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0494D0D4-F8E0-41AD-92A3-14154ECE70AC} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D7-F8E0-41ad-92A3-14154ECE70AC}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D2-F8E0-41ad-92A3-14154ECE70AC}\ = "myBar IE Installer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D3-F8E0-41ad-92A3-14154ECE70AC}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0DB-F8E0-41ad-92A3-14154ECE70AC}\ = "My Way Settings" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D9-F8E0-41ad-92A3-14154ECE70AC}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D9-F8E0-41ad-92A3-14154ECE70AC}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D3-F8E0-41ad-92A3-14154ECE70AC}\MiscStatus\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0DE-F8E0-41ad-92A3-14154ECE70AC}\Instance\InitPropertyBag\Url = "res://C:\\Users\\Admin\\AppData\\Local\\Temp\\4435EB~1.DLL/105" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D7-F8E0-41ad-92A3-14154ECE70AC}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0494D0D0-F8E0-41AD-92A3-14154ECE70AC}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0494D0D4-F8E0-41AD-92A3-14154ECE70AC}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D1-F8E0-41ad-92A3-14154ECE70AC}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0494D0D0-F8E0-41AD-92A3-14154ECE70AC} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0494D0D6-F8E0-41AD-92A3-14154ECE70AC} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0494D0DA-F8E0-41AD-92A3-14154ECE70AC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D7-F8E0-41ad-92A3-14154ECE70AC}\ProgID\ = "MyWayToolBar.NetscapeStartup.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D7-F8E0-41ad-92A3-14154ECE70AC}\VersionIndependentProgID\ = "MyWayToolBar.NetscapeStartup" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MyWayToolBar.NetscapeStartup\CurVer\ = "MyWayToolBar.NetscapeStartup.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MyWayToolBar.SettingsPlugin.1\CLSID\ = "{0494D0DB-F8E0-41ad-92A3-14154ECE70AC}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MyWayToolBar.SettingsPlugin\ = "My Way Settings Plugin" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0494D0D4-F8E0-41AD-92A3-14154ECE70AC}\TypeLib\ = "{0494D0D0-F8E0-41AD-92A3-14154ECE70AC}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0494D0D4-F8E0-41AD-92A3-14154ECE70AC}\TypeLib\ = "{0494D0D0-F8E0-41AD-92A3-14154ECE70AC}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D5-F8E0-41ad-92A3-14154ECE70AC}\ProgID\ = "MyWayToolBar.NetscapeShutdown.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D2-F8E0-41ad-92A3-14154ECE70AC}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0494D0D0-F8E0-41AD-92A3-14154ECE70AC}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4435ebe40727a16784e8cb49970fc42e.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0494D0D0-F8E0-41AD-92A3-14154ECE70AC}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D2-F8E0-41ad-92A3-14154ECE70AC} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D2-F8E0-41ad-92A3-14154ECE70AC}\Control regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D9-F8E0-41ad-92A3-14154ECE70AC}\TypeLib\ = "{0494D0D0-F8E0-41ad-92A3-14154ECE70AC}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D3-F8E0-41ad-92A3-14154ECE70AC}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0494D0D5-F8E0-41ad-92A3-14154ECE70AC}\TypeLib\ = "{0494D0D0-F8E0-41ad-92A3-14154ECE70AC}" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5044 wrote to memory of 3740 5044 regsvr32.exe 90 PID 5044 wrote to memory of 3740 5044 regsvr32.exe 90 PID 5044 wrote to memory of 3740 5044 regsvr32.exe 90
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\4435ebe40727a16784e8cb49970fc42e.dll1⤵
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\4435ebe40727a16784e8cb49970fc42e.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:3740
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