9188d34a4ab1316f3f5e47287a32bec55b33a56b45a4aee8a99a2fff7a95b4e6

Analysis

max time kernel
886s
max time network
900s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
14/02/2025, 10:33

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General

Target

ProgramData/splayer/csfcodec/mpc_mtcontain.dll
Size

192KB
MD5

e0efe1dab943f136d263f3d85d2f1944
SHA1

763c2fe2ce37d479b5b5b716b95cbf29199cae33
SHA256

a46ff7bb0216e79265c550121ee6d2f0688e357e8633f5d394cfa6a55429bbb7
SHA512

4942d5d44df4c043d5bf397205f77300aff059a26a803708781e0f7e14423b485c1c551aa73dd83378df6ec6a51618b2a148412d426329b744a8ea946a452702
SSDEEP

3072:1il6SgaNMbKlFzbP8ezt3SKG/sl/3ETDp:1il6naNMbKlF/5BSJ23

Score

8^/10

adware discovery persistence privilege_escalation stealer

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 7 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{9459C573-B17A-45AE-9F64-1857B5D58CEE}\Version = "43,0,0,0"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Active Setup\Installed Components	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Active Setup\Installed Components\{9459C573-B17A-45AE-9F64-1857B5D58CEE}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{9459C573-B17A-45AE-9F64-1857B5D58CEE}\ = "Microsoft Edge"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{9459C573-B17A-45AE-9F64-1857B5D58CEE}\StubPath = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\Installer\\setup.exe\" --configure-user-settings --verbose-logging --system-level --msedge --channel=stable"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{9459C573-B17A-45AE-9F64-1857B5D58CEE}\Localized Name = "Microsoft Edge"	setup.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{9459C573-B17A-45AE-9F64-1857B5D58CEE}\IsInstalled = "1"	setup.exe

Downloads MZ/PE file 3 IoCs

flow	pid	Process
46	3724	Process not Found
43	2144	Process not Found
27	3724	Process not Found

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Executes dropped EXE 10 IoCs

pid	Process
5100	setup.exe
5024	setup.exe
2892	setup.exe
3748	setup.exe
1132	setup.exe
64	setup.exe
4944	setup.exe
3988	setup.exe
4772	setup.exe
3388	setup.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\ = "IEToEdge BHO"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\ = "IEToEdge BHO"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\NoExplorer = "1"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\NoExplorer = "1"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	setup.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\Microsoft Edge.lnk	setup.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\tt.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Mu\Social	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\hr.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\edge_feedback\camera_mf_trace.wprp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\VisualElements\LogoDev.png	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Trust Protection Lists\Mu\Entities	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\hr.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\concrt140.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\msedge.dll.sig	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\msedge_elf.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\24daef71-5a0f-42e2-8149-4c139128ff59.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Temp\source5100_1548901156\msedge_7z.data	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\id.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\ro.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\identity_proxy\win10\identity_helper.Sparse.Beta.msix	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\dxcompiler.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\VisualElements\SmallLogo.png	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\es.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\fil.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\mip_protection_sdk.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\prefs_enclave_x64.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\et.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\identity_proxy\resources.pri	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\oneds.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Sigma\Cryptomining	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\kk.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\te.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\sr.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Mu\Other	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ja.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\msedge_100_percent.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\mi.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\ru.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\VisualElements\SmallLogoDev.png	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\vk_swiftshader.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ca-Es-VALENCIA.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Trust Protection Lists\Sigma\LICENSE	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ms.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\gu.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\identity_proxy\win11\identity_helper.Sparse.Internal.msix	setup.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Temp\source5100_1548901156\MSEDGE.7z	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\VisualElements\Logo.png	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\VisualElements\SmallLogoCanary.png	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\el.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\BHO\ie_to_edge_bho_64.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\nb.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ga.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\pt-BR.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\zh-CN.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\VisualElements\SmallLogo.png	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Sigma\LICENSE	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\de.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\learning_tools.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\en-GB.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ka.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\vi.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\fr.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\pa.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\id.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.sig	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ta.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Trust Protection Lists\Sigma\Advertising	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Sigma\Cryptomining	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\BHO\ie_to_edge_stub.exe	setup.exe

Drops file in Windows directory 35 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\msedge_installer.log	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\metadata	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp	setup.exe
File opened for modification	C:\Windows\SystemTemp\msedge_installer.log	setup.exe
File opened for modification	C:\Windows\SystemTemp	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\metadata	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\metadata	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\metadata	setup.exe
File opened for modification	C:\Windows\SystemTemp\msedge_installer.log	setup.exe
File opened for modification	C:\Windows\SystemTemp	setup.exe
File opened for modification	C:\Windows\SystemTemp\msedge_installer.log	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\metadata	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\msedge_installer.log	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2892	MicrosoftEdgeUpdate.exe

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\ = "IEToEdge Handler"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\EdgeIntegration	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\Main\EnterpriseMode	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\AppName = "ie_to_edge_stub.exe"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\AppName = "ie_to_edge_stub.exe"	setup.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\ProtocolExecute\microsoft-edge	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\EdgeIntegration\AdapterLocations	setup.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\Policy = "3"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\AppPath = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\BHO"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\ProtocolExecute	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\ProtocolExecute\microsoft-edge	setup.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\ProtocolExecute	setup.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\EdgeIntegration\AdapterLocations\C:\Program Files (x86)\Microsoft\Edge\Application = "1"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\Main	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\EnterpriseMode\MSEdgePath = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\ = "IEToEdge Handler"	setup.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\Policy = "3"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\AppPath = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\BHO"	setup.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Edge	setup.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Edge\InstallerPinned = "0"	setup.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\ = "TypeLib for Interface {C9C2B807-7731-4F34-81B7-44FF7779522B}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\CLSID\	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF\DefaultIcon	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.html	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\InprocServer32\	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\TypeLib\	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell\open	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}\LocalServer32	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Interface	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF\shell\open	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO.1	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\DefaultIcon\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\msedge.exe,11"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\DefaultIcon\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\msedge.exe,0"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.mht\OpenWithProgids	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\ = "Interface {C9C2B807-7731-4F34-81B7-44FF7779522B}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\ProgID\ = "ie_to_edge_bho.IEToEdgeBHO.1"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\Programmable\	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\CLASSES\MIME\Database\Content Type\	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell\runas	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\CurVer\ = "ie_to_edge_bho.IEToEdgeBHO.1"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\Application\ApplicationDescription = "Browse the web"	setup.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}\LocalServer32	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}\LocalServer32\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\notification_helper.exe\""	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\TypeLib\Version = "1.0"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\0\win64\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\elevation_service.exe"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.xml\OpenWithProgids	setup.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}\LocalServer32\ServerExecutable = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\notification_helper.exe"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\CurVer\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\DefaultIcon\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\msedge.exe,0"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\AppUserModelId = "MSEdge"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\InprocServer32\ThreadingModel = "Apartment"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\TypeLib\ = "{2397ECFE-3237-400F-AE51-62B25B3F15B5}"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\Application	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF\shell	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\image/svg+xml	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\image/svg+xml\Extension = ".svg"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\Application\ApplicationIcon = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\msedge.exe,0"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}\	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF\Application	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\Application\ApplicationDescription = "Browse the web"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\Interface	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\Application\ApplicationCompany = "Microsoft Corporation"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithProgIds\MSEdgeHTM	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\0\win32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\elevation_service.exe"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\AppID = "{6d2b5079-2f0b-48dd-ab7f-97cec514d30b}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\TypeLib\ = "{2397ECFE-3237-400F-AE51-62B25B3F15B5}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\shell\open\command\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --single-argument %1"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.mht	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\DisplayName = "PDF Preview Handler"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.html\OpenWithProgIds\MSEdgeHTM	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.svg\OpenWithProgIds\MSEdgeHTM	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.pdf\OpenWithProgids	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\0	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO.1\	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell\runas\command	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.shtml\OpenWithProgids	setup.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1132	setup.exe
1132	setup.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	5100	setup.exe
Token: SeIncBasePriorityPrivilege	5100	setup.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 5100	2908	MicrosoftEdge_X64_133.0.3065.59.exe	91
PID 2908 wrote to memory of 5100	2908	MicrosoftEdge_X64_133.0.3065.59.exe	91
PID 5100 wrote to memory of 5024	5100	setup.exe	92
PID 5100 wrote to memory of 5024	5100	setup.exe	92
PID 5100 wrote to memory of 2892	5100	setup.exe	93
PID 5100 wrote to memory of 2892	5100	setup.exe	93
PID 2892 wrote to memory of 3748	2892	setup.exe	94
PID 2892 wrote to memory of 3748	2892	setup.exe	94
PID 5100 wrote to memory of 1132	5100	setup.exe	95
PID 5100 wrote to memory of 1132	5100	setup.exe	95
PID 1132 wrote to memory of 64	1132	setup.exe	97
PID 1132 wrote to memory of 64	1132	setup.exe	97
PID 5100 wrote to memory of 4944	5100	setup.exe	96
PID 5100 wrote to memory of 4944	5100	setup.exe	96
PID 5100 wrote to memory of 3988	5100	setup.exe	98
PID 5100 wrote to memory of 3988	5100	setup.exe	98
PID 4944 wrote to memory of 4772	4944	setup.exe	99
PID 4944 wrote to memory of 4772	4944	setup.exe	99
PID 3988 wrote to memory of 3388	3988	setup.exe	101
PID 3988 wrote to memory of 3388	3988	setup.exe	101

System policy modification 1 TTPs 4 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} = "1"	setup.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\payload.dll
1⤵
PID:3028

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-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
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2892

C:\Windows\system32\WerFault.exe
"C:\Windows\system32\WerFault.exe" -k -lc PDCRevocation PDCRevocation-20250214-1058.dmp
1⤵
PID:2512

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\MicrosoftEdge_X64_133.0.3065.59.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
1⤵
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\EDGEMITMP_F6320.tmp\setup.exe
  "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\EDGEMITMP_F6320.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Installs/modifies Browser Helper Object
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:5100
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\EDGEMITMP_F6320.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\EDGEMITMP_F6320.tmp\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\SystemTemp\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\EDGEMITMP_F6320.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x248,0x24c,0x250,0x224,0x254,0x7ff750826a68,0x7ff750826a74,0x7ff750826a80
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:5024
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\EDGEMITMP_F6320.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\EDGEMITMP_F6320.tmp\setup.exe" --msedge --channel=stable --system-level --verbose-logging --create-shortcuts=2 --install-level=1
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Modifies data under HKEY_USERS
    - Suspicious use of WriteProcessMemory
    PID:2892
  - - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\EDGEMITMP_F6320.tmp\setup.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\EDGEMITMP_F6320.tmp\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\SystemTemp\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\EDGEMITMP_F6320.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x248,0x24c,0x250,0x224,0x254,0x7ff750826a68,0x7ff750826a74,0x7ff750826a80
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      PID:3748
- - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --register-package-identity --verbose-logging --system-level
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1132
  - - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\SystemTemp\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x2a4,0x2a8,0x2ac,0x280,0x2b0,0x7ff6044d6a68,0x7ff6044d6a74,0x7ff6044d6a80
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      PID:64
- - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --remove-deprecated-packages --verbose-logging --system-level
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:4944
  - - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\SystemTemp\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x248,0x24c,0x250,0x224,0x254,0x7ff6044d6a68,0x7ff6044d6a74,0x7ff6044d6a80
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      PID:4772
- - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --update-game-assist-package --verbose-logging --system-level
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:3988
  - - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\SystemTemp\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x248,0x24c,0x250,0x22c,0x254,0x7ff6044d6a68,0x7ff6044d6a74,0x7ff6044d6a80
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      PID:3388

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k AppReadiness -p -s AppReadiness
1⤵
PID:4852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Browser Extensions

T1176

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8E729601-57D4-4867-984F-D727EBE5CBDB}\EDGEMITMP_F6320.tmp\setup.exe

Filesize
6.8MB

MD5
1b3e9c59f9c7a134ec630ada1eb76a39

SHA1
a7e831d392e99f3d37847dcc561dd2e017065439

SHA256
ce78ccfb0c9cdb06ea61116bc57e50690650b6b5cf37c1aebfb30c19458ee4ae

SHA512
c0e50410dc92d80ff7bc854907774fc551564e078a8d38ca6421f15cea50282c25efac4f357b52b066c4371f9b8d4900fa8122dd80ab06ecbd851c6e049f7a3e

Download Submit
C:\Windows\SystemTemp\msedge_installer.log

Filesize
72KB

MD5
2c2f4fa22fbbe4481107b31bbcededea

SHA1
1329db9d68146cd24d05fd098a75a49cf1a112d0

SHA256
f0973f655ac5f46e7b827c0265e747d9e2ff3c7dc08fb19a3d8e6a6cb049694e

SHA512
97b497d1f8359c9543d4ace36270eb590101aee3b8827c1a934f2acb21e8b52e877d1a8fe6a7f0acb19d513bc5619ab2eae0141d0d4a5534addf71e9f6a36995

Download Submit
C:\Windows\SystemTemp\msedge_installer.log

Filesize
98KB

MD5
f8ed72da88c5c9464b894fbecfee8d33

SHA1
c77652f80290c31ded7fc1ef7660b3625030b62d

SHA256
65fe86b1c4f2c264621532ce41fa9ca080b9e1a5c00fd95ab5e55acf5083d84e

SHA512
7b5b6357fdb3fdd8e35e7b17da58f02fdc0c078895bf5aaa536017200852ffc89b7e0a25ed5085ac193508326385b4a74af8e6ca2a1c6cc1281ddf6940edc44d

Download Submit
C:\Windows\SystemTemp\msedge_installer.log

Filesize
102KB

MD5
87a1a0e01105d0b5c33c7a301da53c7f

SHA1
69d3f8b423f999225ae3934b8b3cd50bd63adcc2

SHA256
09434a0f3d96bdc316de33ac85f022229ce6b20817c071ab46520520e5996976

SHA512
bb3b3b2915b6e5fd2c08a20fdcd24af35eb4fe1f3386b579ad5ad6d3b0d02f941b6b35af6747992594f7d76f5581f4e809944a0eca6cd0055ebeff2ce0cfc3dc

Download Submit
C:\Windows\SystemTemp\msedge_installer.log

Filesize
104KB

MD5
9de629069a27b5ec903b1c9b649e744d

SHA1
cf2c9b04858db09f5fae132a1cbda72fd07bb439

SHA256
214ebeacf76a7027f8521b2333be8863b6110fb9b2b712e13587fd9d89328dff

SHA512
cc2b3da447487e822b97f0b205a34f8e197d7b2c7c3ac17602fe5536b46530a42ee08ad0341b2fd6fba59f7fbf4184cabac4bc4c5b7be99cfdac5f35fc423cbd

Download Submit