smokeloader | 38bc13ef112b2f17d4d1a80243fac6a521b5d58228984aae0752d79487fa3b66

Resubmissions

01/03/2025, 18:58

250301-xmhhrayp15 10

01/03/2025, 18:55

250301-xkqrcaypx7 10

Analysis

max time kernel
899s
max time network
911s
platform
windows10-2004_x64
resource
win10v2004-20250211-en
resource tags

arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2025, 01:02

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General

Target

0di3x.exe
Size

111KB
MD5

bd97f762750d0e38e38d5e8f7363f66a
SHA1

9ae3d7053246289ff908758f9d60d79586f7fc9f
SHA256

d4b767b57f453d599559532d7351feeecd4027b89b0b117552b7a3432ed4a158
SHA512

d0f00c07563aab832b181a7ab93413a93f913f813c83d63c25f4473b7fa2003b4b2a83c97bd9766f9f45a7f2de9e922139a010612f21b15407c9f2bb58a53e39
SSDEEP

1536:4SYTPSLUTRZaEioqsQRPRXplmbH50B+dLDOZrZRzKZvJj5RmLFs8hN:43OLUra1oqxvplQ50BrStJ9RmLFs

Score

10^/10

smokeloader adware backdoor discovery persistence privilege_escalation stealer trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

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	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{9459C573-B17A-45AE-9F64-1857B5D58CEE}\Version = "43,0,0,0"	setup.exe

Downloads MZ/PE file 4 IoCs

flow	pid	Process
38	4772	Process not Found
60	4772	Process not Found
58	3520	Process not Found
99	4772	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
4316	setup.exe
2536	setup.exe
1560	setup.exe
216	setup.exe
3432	setup.exe
724	setup.exe
3508	setup.exe
932	setup.exe
4624	setup.exe
2832	setup.exe

Loads dropped DLL 1 IoCs

pid	Process
3044	0di3x.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
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
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

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 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\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\mk.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\ffmpeg.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ug.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ml.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\edge_feedback\camera_mf_trace.wprp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\sr-Latn-RS.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.sig	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\es.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\ffmpeg.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\libGLESv2.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\lo.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\identity_proxy\dev.identity_helper.exe.manifest	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\ur.pak	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\metadata	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\EdgeCore\133.0.3065.59\v8_context_snapshot.bin	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\EBWebView\x86\EmbeddedBrowserWebView.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\is.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\elevated_tracing_service.exe	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\nn.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\identity_proxy\stable.identity_helper.exe.manifest	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\elevation_service.exe	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\vcruntime140_1.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\he.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\EdgeWebView.dat	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\lv.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Extensions\external_extensions.json	setup.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\delegatedWebFeatures.sccd	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ur.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\identity_proxy\win10\identity_helper.Sparse.Internal.msix	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\msedge_200_percent.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Trust Protection Lists\manifest.json	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\MEIPreload\manifest.json	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\cs.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\mip_protection_sdk.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Mu\Fingerprinting	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\delegatedWebFeatures.sccd	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Trust Protection Lists\Mu\Social	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\ka.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\kk.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\identity_proxy\win11\identity_helper.Sparse.Canary.msix	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\identity_proxy\win11\identity_helper.Sparse.Dev.msix	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll	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\msedgewebview2.exe.sig	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\vcruntime140.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Sigma\Analytics	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\fi.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\ne.pak	setup.exe
File opened for modification	C:\Program Files\msedge_installer.log	setup.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\203fbde5-5efb-477b-a2e5-fc9ec1b273e0.tmp	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\it.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\VisualElements\SmallLogoBeta.png	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\Locales\ms.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\edge_feedback\mf_trace.wprp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\ja.pak	setup.exe
File created	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\EdgeCore\133.0.3065.59\133.0.3065.59.manifest	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\cy.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\lo.pak	setup.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
900	3044	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 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	0di3x.exe
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
4128	MicrosoftEdgeUpdate.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0di3x.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0di3x.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0di3x.exe

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Microsoft\Internet Explorer\GPU	wwahost.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\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\Microsoft\Internet Explorer\ProtocolExecute	setup.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\ProtocolExecute	setup.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\ProtocolExecute\microsoft-edge	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\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Internet Explorer\GPU	wwahost.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\Main\EnterpriseMode	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\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}\ = "IEToEdge Handler"	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\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\microsoft-edge	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\Main	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\EdgeIntegration	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\EdgeIntegration\AdapterLocations	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights	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
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\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}	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\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ThreadingModel = "Apartment"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF\Application	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AppID	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\TypeLib\ = "{2397ECFE-3237-400F-AE51-62B25B3F15B5}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\VersionIndependentProgID\	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.shtml\OpenWithProgids	setup.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\VersionIndependentProgID\	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO	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\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\PdfPreview\\PdfPreviewHandler.dll"	setup.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge\shell	setup.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}\LoadUserSettings = "1"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\TypeLib\ = "{C9C2B807-7731-4F34-81B7-44FF7779522B}"	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\MSEdgeHTM\shell\open\command\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --single-argument %1"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\AppUserModelId = "MSEdge"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell\open\command	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\History\CachePrefix = "Visited:"	wwahost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\DOMStorage\office.com\NumberOfSubdomains = "0"	wwahost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4A749F25-A9E2-4CBE-9859-CF7B15255E14}\LocalServer32\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\notification_click_helper.exe\""	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/pdf	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\MSEdgeHTM\shell\runas\ProgrammaticAccessOnly	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\Application\ApplicationDescription = "Browse the web"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\ = "IEToEdge BHO"	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\Cookies\CacheVersion = "1"	wwahost.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\EdpDomStorage	wwahost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\CLSID\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO.1\CLSID\ = "{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ThreadingModel = "Apartment"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.htm	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithProgIds\MSEdgeMHT	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\DOMStorage	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\Application\ApplicationIcon = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\msedge.exe,0"	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\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\TypeLib\Version = "1.0"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\BHO\\ie_to_edge_bho.dll"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/html\Extension = ".htm"	setup.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge\shell\open	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF\shell\open\command	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\EdpDomStorage\office.com	wwahost.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\0\win32	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{31575964-95F7-414B-85E4-0E9A93699E13}	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\Implemented Categories	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO.1\ = "IEToEdgeBHO Class"	setup.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\EnablePreviewHandler = "1"	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\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0	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\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\PdfPreview\\PdfPreviewHandler.dll"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\Extensible Cache	wwahost.exe
Key created	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\Content	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\ = "Interface {C9C2B807-7731-4F34-81B7-44FF7779522B}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\DisplayName = "PDF Preview Handler"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\shell\runas\ProgrammaticAccessOnly	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell\runas\command	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}\TypeLib	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\TypeLib\	setup.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3432	setup.exe
3432	setup.exe
228	LocalBridge.exe
228	LocalBridge.exe
228	LocalBridge.exe
228	LocalBridge.exe
228	LocalBridge.exe
228	LocalBridge.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	4316	setup.exe
Token: SeIncBasePriorityPrivilege	4316	setup.exe
Token: SeDebugPrivilege	4784	wwahost.exe
Token: SeDebugPrivilege	4784	wwahost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4784	wwahost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 4316	968	MicrosoftEdge_X64_133.0.3065.59.exe	101
PID 968 wrote to memory of 4316	968	MicrosoftEdge_X64_133.0.3065.59.exe	101
PID 4316 wrote to memory of 2536	4316	setup.exe	102
PID 4316 wrote to memory of 2536	4316	setup.exe	102
PID 4316 wrote to memory of 1560	4316	setup.exe	103
PID 4316 wrote to memory of 1560	4316	setup.exe	103
PID 1560 wrote to memory of 216	1560	setup.exe	104
PID 1560 wrote to memory of 216	1560	setup.exe	104
PID 4316 wrote to memory of 3432	4316	setup.exe	105
PID 4316 wrote to memory of 3432	4316	setup.exe	105
PID 4316 wrote to memory of 724	4316	setup.exe	106
PID 4316 wrote to memory of 724	4316	setup.exe	106
PID 3432 wrote to memory of 3508	3432	setup.exe	107
PID 3432 wrote to memory of 3508	3432	setup.exe	107
PID 4316 wrote to memory of 932	4316	setup.exe	108
PID 4316 wrote to memory of 932	4316	setup.exe	108
PID 724 wrote to memory of 4624	724	setup.exe	109
PID 724 wrote to memory of 4624	724	setup.exe	109
PID 932 wrote to memory of 2832	932	setup.exe	111
PID 932 wrote to memory of 2832	932	setup.exe	111

System policy modification 1 TTPs 4 IoCs

defense_evasion

Modify Registry

T1112

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

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\0di3x.exe
"C:\Users\Admin\AppData\Local\Temp\0di3x.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 376
  2⤵
  - Program crash
  PID:900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3044 -ip 3044
1⤵
PID:1964

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDc3MzY4NzQyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4128

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\MicrosoftEdge_X64_133.0.3065.59.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
1⤵
- Suspicious use of WriteProcessMemory
PID:968
- C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\EDGEMITMP_F783C.tmp\setup.exe
  "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\EDGEMITMP_F783C.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\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
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:4316
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\EDGEMITMP_F783C.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\EDGEMITMP_F783C.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=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\EDGEMITMP_F783C.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x228,0x22c,0x230,0x224,0x200,0x7ff6b60e6a68,0x7ff6b60e6a74,0x7ff6b60e6a80
    3⤵
    - Executes dropped EXE
    PID:2536
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\EDGEMITMP_F783C.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\EDGEMITMP_F783C.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:1560
  - - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\EDGEMITMP_F783C.tmp\setup.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\EDGEMITMP_F783C.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=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{895A2652-26AF-4130-8361-83AB54756123}\EDGEMITMP_F783C.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff6b60e6a68,0x7ff6b60e6a74,0x7ff6b60e6a80
      4⤵
      Executes dropped EXE
      PID:216
- - 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 Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3432
  - - 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:\Program Files\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=0x224,0x228,0x22c,0x200,0x230,0x7ff66d376a68,0x7ff66d376a74,0x7ff66d376a80
      4⤵
      Executes dropped EXE
      PID:3508
- - 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
    - Suspicious use of WriteProcessMemory
    PID:724
  - - 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:\Program Files\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=0x224,0x228,0x22c,0x204,0x230,0x7ff66d376a68,0x7ff66d376a74,0x7ff66d376a80
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      PID:4624
- - 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
    - Suspicious use of WriteProcessMemory
    PID:932
  - - 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:\Program Files\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=0x224,0x228,0x22c,0x200,0x230,0x7ff66d376a68,0x7ff66d376a74,0x7ff66d376a80
      4⤵
      Executes dropped EXE
      PID:2832

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k AppReadiness -p -s AppReadiness
1⤵
PID:2284

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:228

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:4784

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

Peripheral Device Discovery

T1120

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\{895A2652-26AF-4130-8361-83AB54756123}\EDGEMITMP_F783C.tmp\setup.exe

Filesize
6.8MB

MD5
1b3e9c59f9c7a134ec630ada1eb76a39

SHA1
a7e831d392e99f3d37847dcc561dd2e017065439

SHA256
ce78ccfb0c9cdb06ea61116bc57e50690650b6b5cf37c1aebfb30c19458ee4ae

SHA512
c0e50410dc92d80ff7bc854907774fc551564e078a8d38ca6421f15cea50282c25efac4f357b52b066c4371f9b8d4900fa8122dd80ab06ecbd851c6e049f7a3e

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

Filesize
3.9MB

MD5
ad5f7dc7ca3e67dce70c0a89c04519e0

SHA1
a10b03234627ca8f3f8034cd5637cda1b8246d83

SHA256
663fe0f4e090583e6aa5204b9a80b7a76f677259066e56a7345aebc6bc3e7d31

SHA512
ad5490e9865caa454c47ec2e96364b9c566b553e64801da60c295acd570017747be1aff6f22ca6c20c6eee6f6d05a058af72569fd6e656f66e48010978c7fd51

Download Submit
C:\Program Files\msedge_installer.log

Filesize
73KB

MD5
45bd4f3622b30fa2f0d9bac06eb9cfeb

SHA1
afd4fe618e2cebfa88b6a76be3189140a9a30735

SHA256
56c6a23f8e712e88f57b9fda1fc1e8667107b45df16ba9320b7c04da800594a2

SHA512
1290bf198669262cacca08b86706b9fb98790ff130f90458d4568869be21b212fc9bdd9138f99a9c4d1f5a9b82f7aee2fce448876bc653569c997e720baa88b7

Download Submit
C:\Program Files\msedge_installer.log

Filesize
104KB

MD5
5aa46811adcc59b6b64b3f321fcd41ab

SHA1
4d0cda2ba2e9ff29cadd500befbeb112831185f3

SHA256
d1c33d38415482717a1deec4e42627b6b4b170bc260f2a55a73d146602c9e8da

SHA512
c142618b1832933d4c1750aad582030d5385c13d4dc8f05de3edca39f33d7bf77d90b4f6fc5678f784ec1f8bc8aef0fd7e6a590b53f76e0652d7eb8f74b46560

Download Submit
C:\Program Files\msedge_installer.log

Filesize
105KB

MD5
4ed5a12b1f0e3e08e6dfca574c33df5b

SHA1
7a3f8ce99d3dd5ba49cf87b0d5497fafa73bbda2

SHA256
493e1efc551446ad6b346b1e11be6690eb9f3d4a152b7946311114d55eea480c

SHA512
2e3b35e47b3b786192f3f5ac64d7550df68a5ef89f5527f1177b362aaf5fa1f2939c2764df6dc8657655b446e79c327b52357c1ee4f6ca5a76359c0ef6990190

Download Submit
C:\Users\Admin\AppData\Local\Temp\2F6.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/228-85-0x0000022323600000-0x0000022323849000-memory.dmp

Filesize
2.3MB

Download
memory/228-84-0x00000223081B0000-0x00000223081B8000-memory.dmp

Filesize
32KB

Download
memory/228-83-0x0000022308180000-0x000002230818A000-memory.dmp

Filesize
40KB

Download
memory/228-82-0x0000022307CD0000-0x0000022307CDE000-memory.dmp

Filesize
56KB

Download
memory/3044-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3044-8-0x0000000000400000-0x0000000002FA6000-memory.dmp

Filesize
43.6MB

Download
memory/3044-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3044-2-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

Filesize
40KB

Download
memory/3044-1-0x0000000003120000-0x0000000003220000-memory.dmp

Filesize
1024KB

Download
memory/3044-9-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

Filesize
40KB

Download
memory/4784-138-0x0000021500400000-0x000002150067B000-memory.dmp

Filesize
2.5MB

Download
memory/4784-139-0x0000021500400000-0x000002150067B000-memory.dmp

Filesize
2.5MB

Download