latrodectus | 25df81bebae736bf7e5cc42ef18b4756d1de8cd2cd4f1e508b6bf5108bac69e7

Analysis

max time kernel
716s
max time network
827s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250207-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250207-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
09/02/2025, 02:09

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General

Target

UpdaterTag.dll
Size

72KB
MD5

4d3511cedaddff8cdd991c1bcbbbf274
SHA1

9a6dcaa5d0a6bc5dc0e525d8495f81776c89f457
SHA256

25df81bebae736bf7e5cc42ef18b4756d1de8cd2cd4f1e508b6bf5108bac69e7
SHA512

3f201909ec716f5dd64df459d760ac44f9c2b14bec1a91ef68882c1817ed29564028bfc829be8998490f583895eb7f93a2b600c8472cd4781aaf1aa34a165918
SSDEEP

768:Vz7vRTYS4Oi5ONdWJ7HRCRuVnjhaQu7SDqRefml4I4QDqauXj57CHf8Idi+a7dHU:Vzh7eO6hHRCwhBfml4I6z5If8INaJ0

Score

10^/10

latrodectus adware discovery loader persistence privilege_escalation stealer

Malware Config

Extracted

Family

latrodectus

Version

1.4

https://apworsindos.com/test/

https://reminasolirol.com/test/

Attributes

group
Mimikast
user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Tob 1.1)

aes.hex

Signatures

Detects Latrodectus 2 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral1/files/0x000a000000027f15-1.dat	family_latrodectus_1_4
behavioral1/memory/832-2-0x00007FFC044D0000-0x00007FFC044E6000-memory.dmp	family_latrodectus_1_4

Latrodectus family
latrodectus
Latrodectus loader
Latrodectus is a loader written in C++.
loader latrodectus

Blocklisted process makes network request 2 IoCs

flow	pid	Process
41	808	rundll32.exe
48	808	rundll32.exe

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}\ = "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\\132.0.2957.140\\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
Key created	\REGISTRY\MACHINE\Software\Microsoft\Active Setup\Installed Components\{9459C573-B17A-45AE-9F64-1857B5D58CEE}	setup.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
17	1676	Process not Found

Deletes itself 1 IoCs

pid	Process
832	rundll32.exe

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
2704	setup.exe
4160	setup.exe
2340	setup.exe
1064	setup.exe
4564	setup.exe
3048	setup.exe
2548	setup.exe
1932	setup.exe
1616	setup.exe
1800	setup.exe

Loads dropped DLL 1 IoCs

pid	Process
808	rundll32.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	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\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\132.0.2957.140\BHO\ie_to_edge_stub.exe	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\v8_context_snapshot.bin	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Trust Protection Lists\manifest.json	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\vcruntime140.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\id.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\ja.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\pa.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Trust Protection Lists\Mu\Cryptomining	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\fr.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\VisualElements\SmallLogoCanary.png	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\da.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\hi.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\mk.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\identity_proxy\win11\identity_helper.Sparse.Internal.msix	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\BHO\ie_to_edge_bho.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Trust Protection Lists\Sigma\Content	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\sq.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\identity_proxy\win11\identity_helper.Sparse.Internal.msix	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\ffmpeg.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Trust Protection Lists\Mu\Other	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\cy.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\80fcb7ff-6883-4731-8bba-6fb49b242ba5.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\VisualElements\LogoBeta.png	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\ug.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\identity_proxy\internal.identity_helper.exe.manifest	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\AdSelectionAttestationsPreloaded\manifest.json	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\delegatedWebFeatures.sccd	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\zh-TW.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\gd.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\lv.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\zh-CN.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\4564_13383540717429047_4564.pma	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\mip_protection_sdk.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\VisualElements\SmallLogoBeta.png	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\fi.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\ur.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\identity_proxy\win11\identity_helper.Sparse.Canary.msix	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\VisualElements\SmallLogoDev.png	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\he.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\ja.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\edge_feedback\camera_mf_trace.wprp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\VisualElements\LogoCanary.png	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Installer\setup.exe	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\MEIPreload\preloaded_data.pb	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\ur.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\identity_proxy\win10\identity_helper.Sparse.Stable.msix	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\msedge_200_percent.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\cy.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\el.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Trust Protection Lists\Sigma\Fingerprinting	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\fr-CA.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\it.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\pa.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\kok.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\msedge_proxy.exe	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\resources.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Trust Protection Lists\Sigma\Staging	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Trust Protection Lists\Sigma\Fingerprinting	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\ro.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\dxcompiler.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\wns_push_client.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\el.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\es-419.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\te.pak	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\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp	setup.exe
File opened for modification	C:\Windows\SystemTemp	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\settings.dat	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
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\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\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\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\MsEdgeCrashpad\metadata	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\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\settings.dat	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\settings.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\metadata	setup.exe
File opened for modification	C:\Windows\SystemTemp	setup.exe
File opened for modification	C:\Windows\SystemTemp	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.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 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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3848	MicrosoftEdgeUpdate.exe
1032	MicrosoftEdgeUpdate.exe

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy	setup.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\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\WOW6432Node\Microsoft\Internet Explorer\ProtocolExecute\microsoft-edge	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\Microsoft\Internet Explorer\Low Rights	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights	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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\EdgeIntegration\AdapterLocations\C:\Program Files (x86)\Microsoft\Edge\Application = "1"	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	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\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\AppPath = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\132.0.2957.140\\BHO"	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\\132.0.2957.140\\BHO"	setup.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\ProtocolExecute	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\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}	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\Microsoft\Internet Explorer\Main\EnterpriseMode	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\MSEdgePDF\shell\open\command	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.shtml\OpenWithProgids\MSEdgeHTM	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.webp\OpenWithProgids	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\AppUserModelId = "MSEdge"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell\open\command	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}\LocalServer32	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.1	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\ = "PDF Preview Handler"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell\runas\command	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\shell\open\command\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --single-argument %1"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\InprocServer32\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge\URL Protocol	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\Application\ApplicationDescription = "Browse the web"	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\\132.0.2957.140\\elevation_service.exe"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\shell\runas\ProgrammaticAccessOnly	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.xml	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\132.0.2957.140\\PdfPreview\\PdfPreviewHandler.dll"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\132.0.2957.140\\PdfPreview\\PdfPreviewHandler.dll"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\CLSID\ = "{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\ProxyStubClsid32	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\TypeLib\	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{4A749F25-A9E2-4CBE-9859-CF7B15255E14}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.pdf\OpenWithProgids\MSEdgePDF	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}\LocalServer32\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\132.0.2957.140\\notification_helper.exe\""	setup.exe
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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\EnablePreviewHandler = "1"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{B54934CD-71A6-4698-BDC2-AFEA5B86504C}	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AppID	setup.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\.svg\OpenWithProgIds\MSEdgeHTM	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\AppID = "{6d2b5079-2f0b-48dd-ab7f-97cec514d30b}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ThreadingModel = "Apartment"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B54934CD-71A6-4698-BDC2-AFEA5B86504C}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\132.0.2957.140\\EBWebView\\x64\\EmbeddedBrowserWebView.dll"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.xht\OpenWithProgIds\MSEdgeHTM	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{1FCBE96C-1697-43AF-9140-2897C7C69767}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\ = "PDF Preview Handler"	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\MIME\Database\Content Type\image/svg+xml\Extension = ".svg"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\Application\ApplicationDescription = "Browse the web"	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\Application\ApplicationIcon = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\132.0.2957.140\\msedge.exe,0"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\DefaultIcon\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\132.0.2957.140\\msedge.exe,0"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\AppUserModelId = "MSEdge"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B54934CD-71A6-4698-BDC2-AFEA5B86504C}\InprocServer32\ThreadingModel = "Apartment"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell\open	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\Application\ApplicationCompany = "Microsoft Corporation"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.xml\OpenWithProgIds\MSEdgeHTM	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.html\OpenWithProgIds\MSEdgeHTM	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\ProgID\ = "ie_to_edge_bho.IEToEdgeBHO.1"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\ProgID\ = "ie_to_edge_bho.IEToEdgeBHO.1"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell\open\command	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF\Application	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\ProgID\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\VersionIndependentProgID\ = "ie_to_edge_bho.IEToEdgeBHO"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\CurVer\ = "ie_to_edge_bho.IEToEdgeBHO.1"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.xht	setup.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4564	setup.exe
4564	setup.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
832	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2704	setup.exe
Token: SeIncBasePriorityPrivilege	2704	setup.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 808	832	rundll32.exe	84
PID 832 wrote to memory of 808	832	rundll32.exe	84
PID 4908 wrote to memory of 2704	4908	MicrosoftEdge_X64_132.0.2957.140.exe	92
PID 4908 wrote to memory of 2704	4908	MicrosoftEdge_X64_132.0.2957.140.exe	92
PID 2704 wrote to memory of 4160	2704	setup.exe	93
PID 2704 wrote to memory of 4160	2704	setup.exe	93
PID 2704 wrote to memory of 2340	2704	setup.exe	94
PID 2704 wrote to memory of 2340	2704	setup.exe	94
PID 2340 wrote to memory of 1064	2340	setup.exe	95
PID 2340 wrote to memory of 1064	2340	setup.exe	95
PID 2704 wrote to memory of 4564	2704	setup.exe	96
PID 2704 wrote to memory of 4564	2704	setup.exe	96
PID 2704 wrote to memory of 3048	2704	setup.exe	97
PID 2704 wrote to memory of 3048	2704	setup.exe	97
PID 2704 wrote to memory of 2548	2704	setup.exe	98
PID 2704 wrote to memory of 2548	2704	setup.exe	98
PID 4564 wrote to memory of 1932	4564	setup.exe	99
PID 4564 wrote to memory of 1932	4564	setup.exe	99
PID 3048 wrote to memory of 1616	3048	setup.exe	100
PID 3048 wrote to memory of 1616	3048	setup.exe	100
PID 2548 wrote to memory of 1800	2548	setup.exe	101
PID 2548 wrote to memory of 1800	2548	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\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UpdaterTag.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:832
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_31846770.dll", #1
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  PID:808

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:3848

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\MicrosoftEdge_X64_132.0.2957.140.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\MicrosoftEdge_X64_132.0.2957.140.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
1⤵
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\EDGEMITMP_6F35F.tmp\setup.exe
  "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\EDGEMITMP_6F35F.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\MicrosoftEdge_X64_132.0.2957.140.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:2704
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\EDGEMITMP_6F35F.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\EDGEMITMP_6F35F.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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\EDGEMITMP_6F35F.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x248,0x24c,0x250,0x224,0x254,0x7ff79797a818,0x7ff79797a824,0x7ff79797a830
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:4160
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\EDGEMITMP_6F35F.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\EDGEMITMP_6F35F.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:2340
  - - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\EDGEMITMP_6F35F.tmp\setup.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\EDGEMITMP_6F35F.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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\EDGEMITMP_6F35F.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x248,0x24c,0x250,0x224,0x254,0x7ff79797a818,0x7ff79797a824,0x7ff79797a830
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      PID:1064
- - C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe" --msedge --channel=stable --register-package-identity --verbose-logging --system-level
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4564
  - - C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x248,0x24c,0x250,0x224,0x254,0x7ff74316a818,0x7ff74316a824,0x7ff74316a830
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      PID:1932
- - C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\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:3048
  - - C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x248,0x24c,0x250,0x224,0x254,0x7ff74316a818,0x7ff74316a824,0x7ff74316a830
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      PID:1616
- - C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe" --msedge --channel=stable --update-game-assist-package --verbose-logging --system-level
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:2548
  - - C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x248,0x24c,0x250,0x224,0x254,0x7ff74316a818,0x7ff74316a824,0x7ff74316a830
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      PID:1800

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k AppReadiness -p -s AppReadiness
1⤵
PID:540

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7MzMwNzZGQkUtMDg2Ni00OEUxLTk5NTItMUVFNDgxMkJCNjVGfSIgdXNlcmlkPSJ7MkQwNkY3MzQtNUE3RC00Q0RCLTk2QTAtQkFCRjVDQThGOEU5fSIgaW5zdGFsbHNvdXJjZT0ic2NoZWR1bGVyIiByZXF1ZXN0aWQ9InswRUM5ODgwOC02NjVELTQyNUEtQjI5Ni0yNkJDQTkxODQ4Nzd9IiBkZWR1cD0iY3IiIGRvbWFpbmpvaW5lZD0iMCI-PGh3IGxvZ2ljYWxfY3B1cz0iMiIgcGh5c21lbW9yeT0iNCIgZGlza190eXBlPSIyIiBzc2U9IjEiIHNzZTI9IjEiIHNzZTM9IjEiIHNzc2UzPSIxIiBzc2U0MT0iMSIgc3NlNDI9IjEiIGF2eD0iMSIvPjxvcyBwbGF0Zm9ybT0id2luIiB2ZXJzaW9uPSIxMC4wLjE5MDQ0LjQ1MjkiIHNwPSIiIGFyY2g9Ing2NCIgcHJvZHVjdF90eXBlPSIxMjUiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O1ZQUW9QMUYrZnExNXdSemgxa1BMNFBNcFdoOE9STUI1aXp2ck9DL2NoalE9JnF1b3Q7Ii8-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-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_UDE9MTczOTY3MTg2OCZhbXA7UDI9NDA0JmFtcDtQMz0yJmFtcDtQND1WQTl5OW85NTh4OVhuTEJ1M2x5TWlpUHJ6d2w5ck1NaFNrNGM0SzliOXdRa3RBRTB4eEFBSkFsbnVGejA5NnBWOCUyZlFSazQyVSUyZmNDT2MlMmZIbWVWOEVIdyUzZCUzZCIgc2VydmVyX2lwX2hpbnQ9IiIgY2RuX2NpZD0iLTEiIGNkbl9jY2M9IiIgY2RuX21zZWRnZV9yZWY9IiIgY2RuX2F6dXJlX3JlZl9vcmlnaW5fc2hpZWxkPSIiIGNkbl9jYWNoZT0iIiBjZG5fcDNwPSIiIGRvd25sb2FkZWQ9IjAiIHRvdGFsPSIwIiBkb3dubG9hZF90aW1lX21zPSIwIi8-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-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-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-
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1032

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\{BDC41D5D-FD69-4D65-9965-09B596B294CB}\EDGEMITMP_6F35F.tmp\setup.exe

Filesize
6.6MB

MD5
b4c8ad75087b8634d4f04dc6f92da9aa

SHA1
7efaa2472521c79d58c4ef18a258cc573704fb5d

SHA256
522a25568bb503cf8b44807661f31f0921dee91d37691bf399868733205690bf

SHA512
5094505b33a848badcffd6b3b93aad9ad73f391e201dee052376c4f8573ba351f0b8c102131216088ffb38d0ed7b5fe70ba95c3ac2c33a50c993584fe7c435e3

Download Submit
C:\ProgramData\Microsoft\EdgeUpdate\Log\MicrosoftEdgeUpdate.log

Filesize
462KB

MD5
4189c7c2f13845a0b9f9e4fe72d9581b

SHA1
bff193049db1983917dee1176ed4494d05738597

SHA256
afe10953406c27612fd974b45868981be5da0864ce6435aba03ea3a32527fe62

SHA512
d92c0d352ce0a79c0f5c8c4c26586c51d63dfdc28bcca9b54a3e712ad9105f6c92ca79dc2f7fd5539374fc2bd3442ef292bbbf76ceb7f047079edf39376a6cb4

Download Submit
C:\Users\Admin\AppData\Roaming\Custom_update\Update_31846770.dll

Filesize
72KB

MD5
4d3511cedaddff8cdd991c1bcbbbf274

SHA1
9a6dcaa5d0a6bc5dc0e525d8495f81776c89f457

SHA256
25df81bebae736bf7e5cc42ef18b4756d1de8cd2cd4f1e508b6bf5108bac69e7

SHA512
3f201909ec716f5dd64df459d760ac44f9c2b14bec1a91ef68882c1817ed29564028bfc829be8998490f583895eb7f93a2b600c8472cd4781aaf1aa34a165918

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

Filesize
71KB

MD5
b187b6bc04fc252ec9d2768fd55271b1

SHA1
b8f34e77a019c446ed6196fe3746e86be40cb53c

SHA256
cdb41a7a5391384f5d37ca5f316c8dc2c3064dcf54307cb32383ed0dd1772f8f

SHA512
6d90ca24d836c973d706694bf42221c2b56e5dfe06b39c926b5b10e06b0a641bfe5e9dc7d30e176af48743d6b0a66a81cd96390bef1e223f995a8e820529b136

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

Filesize
96KB

MD5
353dce647571475ddf02506d010da12e

SHA1
2fddca2b15818597bdadf8d0d64a8a71f3d9b657

SHA256
e03e4eceab39f3bb16e78028403dae0b94e2e857e9da929b206a0625b66ce243

SHA512
5aa0c0a209cacc9b24e700e59ea46928926c9bcd8346749c36db9a83a1ffcdf005124ee8fd648abc6b83d9efc17043bcc62964218c54e61504f9ddd5fe51b7b2

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

Filesize
99KB

MD5
f04c9a2e67b532184e464cecf5504783

SHA1
86d5ab9d54fccb9d327f22b6eb4e19cf3eecadec

SHA256
7a61dd4ae642cf4d902472adbf02e380ccb16c9794a1c94192d785046ed7f9a3

SHA512
13ce604b95f24b3dcb90e037bdd6f7e0cc6e0bc6ed1e6003e3dae3a96bc6afc35c3898cbd8bcd56c3afdb8e0fcdde2cdeea397e7787753f0407342d543feeb8e

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

Filesize
102KB

MD5
56b6f108f9c8ffafeda94d246427362e

SHA1
208c70cb7e8200d466684d4dffb094b93ed9ca2b

SHA256
4eda5224f55781982e4aafbfc91d98ebc8ba8267006cc347a4fcd5f21e7c13ba

SHA512
0444c7d4b50be811fef566d7e4b9c457d4b36c51dbbb359f1332e8af71aa9974281e78514331619b1cde4ed97563ef303dc0de93f602bdcd521ce5adf6c732fb

Download Submit
memory/832-2-0x00007FFC044D0000-0x00007FFC044E6000-memory.dmp

Filesize
88KB

Download