8c050551019cbd3388affebbc0cd9c69ab565ca4c88d4388185e7baff2c6f3e4

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
17-02-2025 11:25

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General

Target

2025-02-17_ef0e6cca86d589f1f58eebeec2389dc7_ismagent_ryuk_sliver.exe
Size

3.3MB
MD5

ef0e6cca86d589f1f58eebeec2389dc7
SHA1

6794f4d169f9ffed8e5f0e516e4f4bd046314e8e
SHA256

8c050551019cbd3388affebbc0cd9c69ab565ca4c88d4388185e7baff2c6f3e4
SHA512

46388a50b93ada414884eefb437bc7ab2f771afd3d91c73c3a683962a5b89aa722bf6456422bbea1cb5426572299b2039583751b4430abf2e9ed0752ff14bfd1
SSDEEP

49152:FX3YnLOQYsZfQ74C6SkgSbXP31+frjUYuHi7nT8poTMFvfuJ1kZ7NrjHQe85Qt:FlRsZ47/QXoHUOfAoj1x6t

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
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\\133.0.3065.69\\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
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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
47	1912	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
2028	setup.exe
860	setup.exe
5100	setup.exe
2760	setup.exe
1984	setup.exe
864	setup.exe
3788	setup.exe
2424	setup.exe
2288	setup.exe
3600	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\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\	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\133.0.3065.69\msedgewebview2.exe.sig	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Installer\setup.exe	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Trust Protection Lists\Mu\Analytics	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Trust Protection Lists\Mu\Analytics	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\el.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\it.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Installer\msedge_7z.data	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Locales\ur.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\PdfPreview\PdfPreviewHandler.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\fa.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Trust Protection Lists\Mu\Entities	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Locales\sr.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\identity_proxy\win11\identity_helper.Sparse.Stable.msix	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\throttle_store.dat	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\dxil.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Locales\am.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Locales\ro.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Extensions\external_extensions.json	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\kn.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\dual_engine_adapter_x64.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\it.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\edge_game_assist\EdgeGameAssist.msix	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\te.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\onramp.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Installer\setup.exe	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\VisualElements\LogoDev.png	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\VisualElements\SmallLogoCanary.png	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Trust Protection Lists\Sigma\Entities	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\es.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\identity_proxy\win11\identity_helper.Sparse.Dev.msix	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Trust Protection Lists\Mu\CompatExceptions	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\sr.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\msedge.dll.sig	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Trust Protection Lists\Mu\Content	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\fil.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Edge.dat	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\msvcp140_codecvt_ids.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\onramp.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\EBWebView\x64\EmbeddedBrowserWebView.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Locales\es-419.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\d3dcompiler_47.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\tr.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\vk_swiftshader_icd.json	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\libGLESv2.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\pwahelper.exe	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\metadata	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\fa.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\cookie_exporter.exe	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\ta.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\edge_feedback\mf_trace.wprp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Trust Protection Lists\Mu\Social	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Locales\en-GB.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Locales\he.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\he.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\hi.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Locales\qu.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\VisualElements\LogoBeta.png	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Extensions\external_extensions.json	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Trust Protection Lists\Sigma\Content	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\ta.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\delegatedWebFeatures.sccd	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\VisualElements\SmallLogoCanary.png	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
2056	MicrosoftEdgeUpdate.exe

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy	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 (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\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}\AppPath = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.69\\BHO"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\SOFTWARE\Microsoft\Internet Explorer\GPU	wwahost.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\Main\EnterpriseMode	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights	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\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\AppPath = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.69\\BHO"	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	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\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\WOW6432Node\Microsoft\Internet Explorer\ProtocolExecute	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\Software\Microsoft\Internet Explorer\GPU	wwahost.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}\AppName = "ie_to_edge_stub.exe"	setup.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\Policy = "3"	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\Microsoft\Internet Explorer\EdgeIntegration\AdapterLocations	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

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
Key created	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\History	wwahost.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell\runas\command	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\VersionIndependentProgID\	setup.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge\shell\open\command	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\Application	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\Implemented Categories\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\ = "Microsoft Edge PDF Document"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\ = "PDF Preview Handler"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\EdpDomStorage	wwahost.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\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\ = "Interface {C9C2B807-7731-4F34-81B7-44FF7779522B}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\Application\ApplicationCompany = "Microsoft Corporation"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}\AppId = "{628ACE20-B77A-456F-A88D-547DB6CEEDD5}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge\shell\open\command\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" \"%1\""	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\Implemented Categories	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\Application\ApplicationName = "Microsoft Edge"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\Application\ApplicationDescription = "Browse the web"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF\shell	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\DefaultIcon	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.69\\PdfPreview\\PdfPreviewHandler.dll"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.webp	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\Content\CacheLimit = "51200"	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\Application\AppUserModelId = "MSEdge"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\AppUserModelId = "MSEdge"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.shtml\OpenWithProgids	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.webp\OpenWithProgids	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO.1\CLSID\ = "{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\shell\runas\command\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --do-not-de-elevate --single-argument %1"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\Application\ApplicationName = "Microsoft Edge"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\Application\ApplicationDescription = "Browse the web"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.mht	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings	wwahost.exe
Key created	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\Content	wwahost.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{31575964-95F7-414B-85E4-0E9A93699E13}	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\CurVer\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4A749F25-A9E2-4CBE-9859-CF7B15255E14}\LocalServer32\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.69\\notification_click_helper.exe\""	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\Application\ApplicationIcon = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.69\\msedge.exe,0"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.svg\OpenWithProgIds\MSEdgeHTM	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.xhtml	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.mht\OpenWithProgids	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\EdpDomStorage\office.com\NumberOfSubdomains = "0"	wwahost.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\0\win64	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\InprocServer32\ThreadingModel = "Apartment"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell\runas	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\Application\ApplicationCompany = "Microsoft Corporation"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer	wwahost.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\DefaultIcon\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.69\\msedge.exe,11"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mhtml\OpenWithProgIds\MSEdgeMHT	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\TypeLib\ = "{C9C2B807-7731-4F34-81B7-44FF7779522B}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\Programmable\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\ = "IEToEdgeBHO Class"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.69\\PdfPreview\\PdfPreviewHandler.dll"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.xht\OpenWithProgIds\MSEdgeHTM	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithProgIds\MSEdgeMHT	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FCBE96C-1697-43AF-9140-2897C7C69767}\AppID = "{1FCBE96C-1697-43AF-9140-2897C7C69767}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\AppUserModelId = "MSEdge"	setup.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1984	setup.exe
1984	setup.exe
4440	LocalBridge.exe
4440	LocalBridge.exe
4440	LocalBridge.exe
4440	LocalBridge.exe
4440	LocalBridge.exe
4440	LocalBridge.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1508	wmic.exe
Token: SeSecurityPrivilege	1508	wmic.exe
Token: SeTakeOwnershipPrivilege	1508	wmic.exe
Token: SeLoadDriverPrivilege	1508	wmic.exe
Token: SeSystemProfilePrivilege	1508	wmic.exe
Token: SeSystemtimePrivilege	1508	wmic.exe
Token: SeProfSingleProcessPrivilege	1508	wmic.exe
Token: SeIncBasePriorityPrivilege	1508	wmic.exe
Token: SeCreatePagefilePrivilege	1508	wmic.exe
Token: SeBackupPrivilege	1508	wmic.exe
Token: SeRestorePrivilege	1508	wmic.exe
Token: SeShutdownPrivilege	1508	wmic.exe
Token: SeDebugPrivilege	1508	wmic.exe
Token: SeSystemEnvironmentPrivilege	1508	wmic.exe
Token: SeRemoteShutdownPrivilege	1508	wmic.exe
Token: SeUndockPrivilege	1508	wmic.exe
Token: SeManageVolumePrivilege	1508	wmic.exe
Token: 33	1508	wmic.exe
Token: 34	1508	wmic.exe
Token: 35	1508	wmic.exe
Token: 36	1508	wmic.exe
Token: SeIncreaseQuotaPrivilege	1508	wmic.exe
Token: SeSecurityPrivilege	1508	wmic.exe
Token: SeTakeOwnershipPrivilege	1508	wmic.exe
Token: SeLoadDriverPrivilege	1508	wmic.exe
Token: SeSystemProfilePrivilege	1508	wmic.exe
Token: SeSystemtimePrivilege	1508	wmic.exe
Token: SeProfSingleProcessPrivilege	1508	wmic.exe
Token: SeIncBasePriorityPrivilege	1508	wmic.exe
Token: SeCreatePagefilePrivilege	1508	wmic.exe
Token: SeBackupPrivilege	1508	wmic.exe
Token: SeRestorePrivilege	1508	wmic.exe
Token: SeShutdownPrivilege	1508	wmic.exe
Token: SeDebugPrivilege	1508	wmic.exe
Token: SeSystemEnvironmentPrivilege	1508	wmic.exe
Token: SeRemoteShutdownPrivilege	1508	wmic.exe
Token: SeUndockPrivilege	1508	wmic.exe
Token: SeManageVolumePrivilege	1508	wmic.exe
Token: 33	1508	wmic.exe
Token: 34	1508	wmic.exe
Token: 35	1508	wmic.exe
Token: 36	1508	wmic.exe
Token: 33	2028	setup.exe
Token: SeIncBasePriorityPrivilege	2028	setup.exe
Token: SeDebugPrivilege	3176	wwahost.exe
Token: SeDebugPrivilege	3176	wwahost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3176	wwahost.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 1508	2468	2025-02-17_ef0e6cca86d589f1f58eebeec2389dc7_ismagent_ryuk_sliver.exe	88
PID 2468 wrote to memory of 1508	2468	2025-02-17_ef0e6cca86d589f1f58eebeec2389dc7_ismagent_ryuk_sliver.exe	88
PID 3404 wrote to memory of 2028	3404	MicrosoftEdge_X64_133.0.3065.69.exe	108
PID 3404 wrote to memory of 2028	3404	MicrosoftEdge_X64_133.0.3065.69.exe	108
PID 2028 wrote to memory of 860	2028	setup.exe	109
PID 2028 wrote to memory of 860	2028	setup.exe	109
PID 2028 wrote to memory of 5100	2028	setup.exe	110
PID 2028 wrote to memory of 5100	2028	setup.exe	110
PID 5100 wrote to memory of 2760	5100	setup.exe	111
PID 5100 wrote to memory of 2760	5100	setup.exe	111
PID 2028 wrote to memory of 1984	2028	setup.exe	113
PID 2028 wrote to memory of 1984	2028	setup.exe	113
PID 2028 wrote to memory of 864	2028	setup.exe	114
PID 2028 wrote to memory of 864	2028	setup.exe	114
PID 2028 wrote to memory of 3788	2028	setup.exe	115
PID 2028 wrote to memory of 3788	2028	setup.exe	115
PID 864 wrote to memory of 2424	864	setup.exe	116
PID 864 wrote to memory of 2424	864	setup.exe	116
PID 3788 wrote to memory of 2288	3788	setup.exe	117
PID 3788 wrote to memory of 2288	3788	setup.exe	117
PID 1984 wrote to memory of 3600	1984	setup.exe	118
PID 1984 wrote to memory of 3600	1984	setup.exe	118

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:\Users\Admin\AppData\Local\Temp\2025-02-17_ef0e6cca86d589f1f58eebeec2389dc7_ismagent_ryuk_sliver.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-17_ef0e6cca86d589f1f58eebeec2389dc7_ismagent_ryuk_sliver.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\system32\wbem\wmic.exe
  wmic os get oslanguage /FORMAT:LIST
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1508

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI5IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDgyMjU5OTc0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2056

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\MicrosoftEdge_X64_133.0.3065.69.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\MicrosoftEdge_X64_133.0.3065.69.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
1⤵
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\EDGEMITMP_9578A.tmp\setup.exe
  "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\EDGEMITMP_9578A.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\MicrosoftEdge_X64_133.0.3065.69.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
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2028
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\EDGEMITMP_9578A.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\EDGEMITMP_9578A.tmp\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\EDGEMITMP_9578A.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff7b5db6a68,0x7ff7b5db6a74,0x7ff7b5db6a80
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    PID:860
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\EDGEMITMP_9578A.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\EDGEMITMP_9578A.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
    - Modifies data under HKEY_USERS
    - Suspicious use of WriteProcessMemory
    PID:5100
  - - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\EDGEMITMP_9578A.tmp\setup.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\EDGEMITMP_9578A.tmp\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{26590B59-D3D4-416F-9738-A9E232D78971}\EDGEMITMP_9578A.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff7b5db6a68,0x7ff7b5db6a74,0x7ff7b5db6a80
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      PID:2760
- - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --msedge --channel=stable --register-package-identity --verbose-logging --system-level
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1984
  - - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff6de7c6a68,0x7ff6de7c6a74,0x7ff6de7c6a80
      4⤵
      Executes dropped EXE
      PID:3600
- - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --msedge --channel=stable --remove-deprecated-packages --verbose-logging --system-level
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:864
  - - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff6de7c6a68,0x7ff6de7c6a74,0x7ff6de7c6a80
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      PID:2424
- - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --msedge --channel=stable --update-game-assist-package --verbose-logging --system-level
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3788
  - - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff6de7c6a68,0x7ff6de7c6a74,0x7ff6de7c6a80
      4⤵
      Executes dropped EXE
      PID:2288

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k AppReadiness -p -s AppReadiness
1⤵
PID:3760

C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe
"C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe" /InvokerPRAID: Microsoft.MicrosoftOfficeHub prelaunch
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:4440

C:\Windows\system32\wwahost.exe
"C:\Windows\system32\wwahost.exe" -ServerName:Microsoft.MicrosoftOfficeHub.wwa
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3176

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\{26590B59-D3D4-416F-9738-A9E232D78971}\EDGEMITMP_9578A.tmp\setup.exe

Filesize
6.8MB

MD5
bdb1aecedc15fc82a63083452dad45c2

SHA1
a074fcd78665ff90ee3e50ffcccad5f6c3e7ddcb

SHA256
4ea0907c3fc2c2f6a4259002312671c82e008846d49957bb3b9915612e35b99f

SHA512
50909640c2957fc35dd5bcac3b51797aa5daa2fb95364e69df95d3577482e13f0c36a70ae098959cb9c2aaeb4cfe43025c1d8d55b5f8858b474bcb702609749d

Download Submit
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Filesize
3.9MB

MD5
4aaa893417cccc147989f876c6a7b295

SHA1
b1e35c83518bb275924ead0cd6206bf0c982d30f

SHA256
2c38e3c3f18e2d3fb7f04336356b9b5186cabe06b3343beec318ef0def1a9eeb

SHA512
109e0c88977fae65a4950fc38393ca32a70d68ef41aeb75b28e6566e0fa626e32e31be38308e7ed5b6a8ba1f56fb5f2133a07aa8bb643224c3dbb089ce9cfd0e

Download Submit
C:\Program Files\msedge_installer.log

Filesize
74KB

MD5
68a61c0666223069744c45ff44e48d78

SHA1
f498aacc42793f629b45cc4d8ad97bfe8332cfb7

SHA256
ea231b5d9423631b8f6996fe37bc73577f37a82dcee4e02cf7a6ff2095401d30

SHA512
06dcf0d0b4c92ef5838027baec026187ee6da5f1af843c12ea1f4a621ec6c440c695f189e36d0299ca1e02d50f193ca1755f985f1d2ca01aadad3091a84144b1

Download Submit
C:\Program Files\msedge_installer.log

Filesize
101KB

MD5
845203b0923d07e1a519e256fe80adac

SHA1
5503585639b35d9def75ebd142a635435cc08026

SHA256
f5fd7e11c5cb9e2f90806206be05df63f6aee0a634182c6ce0af4ef64be633f8

SHA512
ad48461bcf9f811fd49c9bfdb0b6faf4081200aaf1c919c8c677c8a4faffd31b90ecc1a2fb567a55a8c063371dcab24eac8cfb3e5ca23646c7b82554965082ac

Download Submit
C:\Program Files\msedge_installer.log

Filesize
104KB

MD5
7bf253c85fbcd8393c3c30e743bf8a30

SHA1
070c8af57f89a91efc90e23b383d6bb5e6311726

SHA256
007caf5ce8a2b81e5efa541b5a9fb3be7f770c440d1f61b21e2f0b78c8256cc7

SHA512
b467b762befee8a37d422c70c4a28a748db80de42c2d78e4fec075c4312e124864df74ab66b8965caa95126df7749f3908977737aa486aba783141158982cd4f

Download Submit
C:\Program Files\msedge_installer.log

Filesize
105KB

MD5
c9eb90afc7ddb62d53a717578d6d4af0

SHA1
654aab1eaf6d6a0ee93539494508570ae19023c8

SHA256
689585364e09032a53aa9a654bc3550d2296c25273b4e6b98c0b4334eacd73f9

SHA512
260702225652c8de33ae563b2a9930b73f38906dc9c85b0b431a9c6b0e94274f601ae2b4c72fbe23fb29e813f6464b777782b87b15d39a9398d0757c6516ad03

Download Submit
memory/4440-73-0x000002586CAB0000-0x000002586CABE000-memory.dmp

Filesize
56KB

Download
memory/4440-74-0x000002586CF60000-0x000002586CF6A000-memory.dmp

Filesize
40KB

Download
memory/4440-75-0x000002586CF90000-0x000002586CF98000-memory.dmp

Filesize
32KB

Download
memory/4440-76-0x0000025870340000-0x0000025870589000-memory.dmp

Filesize
2.3MB

Download