remcos | 9f05db230894256a6be6bf1b5b523894e621cf0b43632c0465c76717058d3ebb

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250211-en
resource tags

arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
submitted
13-02-2025 10:57

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General

Target

Quote.scr.exe
Size

984KB
MD5

09d1f74cf4434fd7ff3ee83a2479d7a9
SHA1

d70d3164f2fe24b4263e56ff2df171c15110e33b
SHA256

9f05db230894256a6be6bf1b5b523894e621cf0b43632c0465c76717058d3ebb
SHA512

7e8aa100fb7da347d56b9f34a87a91e5dfe71fa370f9dd42f571e70a37b779819253682dfe879224e06427b0ff10f4951e5b31648945011fd44584d480b062bb
SSDEEP

24576:3IHzeLasydPeQ7h+ue7k+i4ZcPU33R1f4VTPx4pty9A:YaLaVJeQ0ue7Tcs33R14Fx4pty9A

Score

10^/10

remcos remotehost adware discovery execution persistence privilege_escalation rat stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

2.58.56.182:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-GM05WY
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

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

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

persistence

Active Setup

T1547.014

Modify Registry

T1112

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3136	powershell.exe
3264	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
46	5040	Process not Found

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000\Control Panel\International\Geo\Nation	Quote.scr.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
4928	setup.exe
1000	setup.exe
2344	setup.exe
1712	setup.exe
3552	setup.exe
2364	setup.exe
4936	setup.exe
3440	setup.exe
4624	setup.exe
3988	setup.exe

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

Query Registry
T1012

Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 2544	2252	Quote.scr.exe	97

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\PdfPreview\PdfPreviewHandler.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\fa.pak	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\throttle_store.dat	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\sk.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\is.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\kk.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\msedge_elf.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\msvcp140_codecvt_ids.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\identity_proxy\win10\identity_helper.Sparse.Canary.msix	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\gd.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\kn.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\cs.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\hi.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\vk_swiftshader_icd.json	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\el.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\sl.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\cy.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\nb.pak	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\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Trust Protection Lists\Mu\Advertising	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\pa.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\sr-Latn-RS.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\prefs_enclave_x64.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\ko.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Sigma\Content	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\kk.pak	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\metadata	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\2344_13383917950438837_2344.pma	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\cookie_exporter.exe	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\msedge_proxy.exe	setup.exe
File opened for modification	C:\Program Files\msedge_installer.log	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\msedge_wer.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Sigma\Advertising	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\zh-CN.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\AdSelectionAttestationsPreloaded\ad-selection-attestations.dat	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Trust Protection Lists\Sigma\Entities	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\2364_13383917951313403_2364.pma	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\pl.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\zh-CN.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\sv.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\resources.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\lt.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\km.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\sr.pak	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\Locales\mt.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\BHO\ie_to_edge_bho_64.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\EBWebView\x64\EmbeddedBrowserWebView.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\mspdf.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\telclient.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\Edge\Application\133.0.3065.59\Trust Protection Lists\Mu\Content	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\vccorlib140.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Trust Protection Lists\Mu\Entities	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\BHO\ie_to_edge_bho_64.dll	setup.exe
File opened for modification	C:\Program Files\msedge_installer.log	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\d3dcompiler_47.dll	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\identity_proxy\win10\identity_helper.Sparse.Beta.msix	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Edge.dat	setup.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\as.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Locales\ar.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Trust Protection Lists\Mu\Analytics	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 6 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	Quote.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quote.scr.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
1892	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\ProtocolExecute\microsoft-edge	setup.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\ProtocolExecute\microsoft-edge	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\Main\EnterpriseMode	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}	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 (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\Policy = "3"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\AppPath = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\BHO"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy	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\Microsoft\Internet Explorer\EdgeIntegration	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000\SOFTWARE\Microsoft\Internet Explorer\GPU	wwahost.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
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\ProtocolExecute	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000\Software\Microsoft\Internet Explorer\GPU	wwahost.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\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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\ProtocolExecute	setup.exe

Modifies data under HKEY_USERS 2 IoCs

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

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\0\win64\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\elevation_service.exe"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell\open	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\Content\CachePrefix	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\0\win32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\elevation_service.exe"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.svg	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\DOMStorage\office.com\NumberOfSubdomains = "0"	wwahost.exe
Key created	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer	wwahost.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AppID	setup.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\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ThreadingModel = "Apartment"	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\History\CachePrefix = "Visited:"	wwahost.exe
Key created	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\DOMStorage\office.com	wwahost.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AppID\{1FCBE96C-1697-43AF-9140-2897C7C69767}	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{4A749F25-A9E2-4CBE-9859-CF7B15255E14}\LocalServer32	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\MSEdgeHTM\Application\AppUserModelId = "MSEdge"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\shell\runas\ProgrammaticAccessOnly	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.htm	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\DefaultIcon\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\msedge.exe,0"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.shtml\OpenWithProgids	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\History\CacheLimit = "1"	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{1FCBE96C-1697-43AF-9140-2897C7C69767}\LocalService = "MicrosoftEdgeElevationService"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/pdf	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF\DefaultIcon	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\Application\ApplicationName = "Microsoft Edge"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.xhtml	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell\runas\command	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000_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\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\InprocServer32\ThreadingModel = "Apartment"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\ProgID\	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\MSEdgeHTM\shell\runas\command	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.mht	setup.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{1FCBE96C-1697-43AF-9140-2897C7C69767}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\ = "Interface {C9C2B807-7731-4F34-81B7-44FF7779522B}"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.svg\OpenWithProgids	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}\DisplayName = "PDF Preview Handler"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\shell\runas\ProgrammaticAccessOnly	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\EdpDomStorage\office.com\NumberOfSubdomains = "0"	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\VersionIndependentProgID\ = "ie_to_edge_bho.IEToEdgeBHO"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\CurVer\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/html\Extension = ".htm"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\ = "Microsoft Edge HTML Document"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell\open\command	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\ = "IEToEdgeBHO Class"	setup.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge\shell	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B54934CD-71A6-4698-BDC2-AFEA5B86504C}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\EBWebView\\x64\\EmbeddedBrowserWebView.dll"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mhtml\OpenWithProgIds\MSEdgeMHT	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2656314083-4170277356-267438488-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\DOMStorage\office.com\ = "0"	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\TypeLib\Version = "1.0"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\PdfPreview\\PdfPreviewHandler.dll"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{4A749F25-A9E2-4CBE-9859-CF7B15255E14}	setup.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
2252	Quote.scr.exe
2252	Quote.scr.exe
2252	Quote.scr.exe
3136	powershell.exe
3264	powershell.exe
3136	powershell.exe
2252	Quote.scr.exe
2252	Quote.scr.exe
3264	powershell.exe
3552	setup.exe
3552	setup.exe
4756	LocalBridge.exe
4756	LocalBridge.exe
4756	LocalBridge.exe
4756	LocalBridge.exe
4756	LocalBridge.exe
4756	LocalBridge.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	Quote.scr.exe
Token: SeDebugPrivilege	3136	powershell.exe
Token: SeDebugPrivilege	3264	powershell.exe
Token: 33	4928	setup.exe
Token: SeIncBasePriorityPrivilege	4928	setup.exe
Token: SeDebugPrivilege	516	wwahost.exe
Token: SeDebugPrivilege	516	wwahost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
516	wwahost.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 3136	2252	Quote.scr.exe	91
PID 2252 wrote to memory of 3136	2252	Quote.scr.exe	91
PID 2252 wrote to memory of 3136	2252	Quote.scr.exe	91
PID 2252 wrote to memory of 3264	2252	Quote.scr.exe	93
PID 2252 wrote to memory of 3264	2252	Quote.scr.exe	93
PID 2252 wrote to memory of 3264	2252	Quote.scr.exe	93
PID 2252 wrote to memory of 2964	2252	Quote.scr.exe	95
PID 2252 wrote to memory of 2964	2252	Quote.scr.exe	95
PID 2252 wrote to memory of 2964	2252	Quote.scr.exe	95
PID 2252 wrote to memory of 2544	2252	Quote.scr.exe	97
PID 2252 wrote to memory of 2544	2252	Quote.scr.exe	97
PID 2252 wrote to memory of 2544	2252	Quote.scr.exe	97
PID 2252 wrote to memory of 2544	2252	Quote.scr.exe	97
PID 2252 wrote to memory of 2544	2252	Quote.scr.exe	97
PID 2252 wrote to memory of 2544	2252	Quote.scr.exe	97
PID 2252 wrote to memory of 2544	2252	Quote.scr.exe	97
PID 2252 wrote to memory of 2544	2252	Quote.scr.exe	97
PID 2252 wrote to memory of 2544	2252	Quote.scr.exe	97
PID 2252 wrote to memory of 2544	2252	Quote.scr.exe	97
PID 4004 wrote to memory of 4928	4004	MicrosoftEdge_X64_133.0.3065.59.exe	108
PID 4004 wrote to memory of 4928	4004	MicrosoftEdge_X64_133.0.3065.59.exe	108
PID 4928 wrote to memory of 1000	4928	setup.exe	109
PID 4928 wrote to memory of 1000	4928	setup.exe	109
PID 4928 wrote to memory of 2344	4928	setup.exe	110
PID 4928 wrote to memory of 2344	4928	setup.exe	110
PID 2344 wrote to memory of 1712	2344	setup.exe	111
PID 2344 wrote to memory of 1712	2344	setup.exe	111
PID 4928 wrote to memory of 3552	4928	setup.exe	112
PID 4928 wrote to memory of 3552	4928	setup.exe	112
PID 4928 wrote to memory of 2364	4928	setup.exe	113
PID 4928 wrote to memory of 2364	4928	setup.exe	113
PID 3552 wrote to memory of 4936	3552	setup.exe	114
PID 3552 wrote to memory of 4936	3552	setup.exe	114
PID 4928 wrote to memory of 3440	4928	setup.exe	115
PID 4928 wrote to memory of 3440	4928	setup.exe	115
PID 2364 wrote to memory of 4624	2364	setup.exe	116
PID 2364 wrote to memory of 4624	2364	setup.exe	116
PID 3440 wrote to memory of 3988	3440	setup.exe	117
PID 3440 wrote to memory of 3988	3440	setup.exe	117

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\CLSID	setup.exe
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

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\Quote.scr.exe
"C:\Users\Admin\AppData\Local\Temp\Quote.scr.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Quote.scr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3136
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YPabBLvsNvjDRI.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3264
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YPabBLvsNvjDRI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE956.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2964
- C:\Users\Admin\AppData\Local\Temp\Quote.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\Quote.scr.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjcwODkyMTkwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1892

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\MicrosoftEdge_X64_133.0.3065.59.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
1⤵
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\EDGEMITMP_D3B04.tmp\setup.exe
  "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\EDGEMITMP_D3B04.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\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:4928
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\EDGEMITMP_D3B04.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\EDGEMITMP_D3B04.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\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\EDGEMITMP_D3B04.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff7426f6a68,0x7ff7426f6a74,0x7ff7426f6a80
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    PID:1000
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\EDGEMITMP_D3B04.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\EDGEMITMP_D3B04.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 Program Files directory
    - Modifies data under HKEY_USERS
    - Suspicious use of WriteProcessMemory
    PID:2344
  - - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\EDGEMITMP_D3B04.tmp\setup.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\EDGEMITMP_D3B04.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\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\EDGEMITMP_D3B04.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff7426f6a68,0x7ff7426f6a74,0x7ff7426f6a80
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      PID:1712
- - 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:3552
  - - 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,0x200,0x230,0x7ff721c86a68,0x7ff721c86a74,0x7ff721c86a80
      4⤵
      Executes dropped EXE
      PID:4936
- - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --remove-deprecated-packages --verbose-logging --system-level
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:2364
  - - 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,0x200,0x230,0x7ff721c86a68,0x7ff721c86a74,0x7ff721c86a80
      4⤵
      Executes dropped EXE
      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
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:3440
  - - 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,0x200,0x230,0x7ff721c86a68,0x7ff721c86a74,0x7ff721c86a80
      4⤵
      Executes dropped EXE
      PID:3988

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k AppReadiness -p -s AppReadiness
1⤵
PID:4280

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:4756

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:516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Browser Extensions

T1176

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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\{279BFD8D-E10E-4D5E-98B9-E2CE4608579C}\EDGEMITMP_D3B04.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
26f5a039be21d7068c9f0bb237282b4a

SHA1
566189f363c85a36dd76560bc7712ade55ab66ff

SHA256
14998da93090dae903d3361b193f35cfd4d1389b16a8037e29e0410b91c45338

SHA512
f52beabb955a93733a34faa623412a667703976ae86b0d57e3c68c1229fcf8afc3f8fda45423fb630f810c33ba55bb1216ae669f50c86f1623b0bf4e1719d2f8

Download Submit
C:\Program Files\msedge_installer.log

Filesize
99KB

MD5
9372974feb20b2430abbfe85dd15b12d

SHA1
c4c073bd43085e42fbc14c5b2083da1550bdd739

SHA256
ef0a33fc1c446bc4fc5b2b50f135c27651a2615685908fdfb042e5e98b1115b5

SHA512
adc4c846e44b30d20b4267280566cbbc8931d0004c369a87d7b96a9d82a90cbaf9cdb6c7b6bdeb81818ad2840128eac3b49700a0a5bec699c8913d8ab94fe315

Download Submit
C:\Program Files\msedge_installer.log

Filesize
102KB

MD5
92cdcd7b5f0048ced35972043e858cc8

SHA1
fb7c6610547070da110d1ed77fbb07ef790becd8

SHA256
b71729984c4108ac2a2565bf04ae459b2139d23b94f33cf62a472c8920b5aff4

SHA512
280392c07d7b1949492adc572392e4045906abfd791223e6ab2f9123cf63b5889d3cadd98501cd57b4ba3840ff91a9fa011996da88a43635ec6c619c37ded51e

Download Submit
C:\Program Files\msedge_installer.log

Filesize
104KB

MD5
ee9c4485ebead18ff2c1d253c4a31903

SHA1
6aed1fb93bb4d4a96e2385d6a5a43be89c13405c

SHA256
0ddfd489b32b894c66e5a6bcb33378fee2e97c0180a6ff323f6db508efd64550

SHA512
3b28fd597e120bb6dc95f7c3d8c594371f5377a91918eb68a5ac45941cff93948b2af86c8698ead2a14fe831c8574488e7fa579e655dabf9ee762d42ad77d31c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
47ceeafe74add40febcbe8e6663d23b2

SHA1
9ea90a54f85969f303eee8e57c6799902044769b

SHA256
c1b9e93beadd69b13d4d3aa4a9125c81f694475dce51658e0f5608a0df89617b

SHA512
9c4a90aadd7f71cb84bb9d5da2477331600251fa2779b8f9858a6af3179d664b28c6a7acd67ae3d3acb8eae1d9eb6715e3e30afd2fc4c4164954c8576193f803

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_orr5hzkf.bkc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE956.tmp

Filesize
1KB

MD5
18a6945d332182b0950a29216ac93019

SHA1
6f03cfdb850b58271aace8a67945c3a7481f5d3e

SHA256
1decb2235ffae8f93a1cb307aa8c78d5cc0b90c703d55ef3d1e6c7e808816a06

SHA512
2d36eb76842dbd2cdec5af92458597cf774855a66b35bd0fdb0830703e11d1635ac4a4b2be9082d9bd24914b36c49b86eaa21b841c9f6691bca43802625f1901

Download Submit
memory/2252-10-0x000000000DA40000-0x000000000DADC000-memory.dmp

Filesize
624KB

Download
memory/2252-3-0x00000000053B0000-0x0000000005442000-memory.dmp

Filesize
584KB

Download
memory/2252-1-0x00000000008C0000-0x00000000009BC000-memory.dmp

Filesize
1008KB

Download
memory/2252-53-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/2252-2-0x0000000005960000-0x0000000005F04000-memory.dmp

Filesize
5.6MB

Download
memory/2252-9-0x0000000006890000-0x0000000006954000-memory.dmp

Filesize
784KB

Download
memory/2252-8-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/2252-7-0x0000000073C1E000-0x0000000073C1F000-memory.dmp

Filesize
4KB

Download
memory/2252-0-0x0000000073C1E000-0x0000000073C1F000-memory.dmp

Filesize
4KB

Download
memory/2252-6-0x0000000006D70000-0x0000000006D8E000-memory.dmp

Filesize
120KB

Download
memory/2252-5-0x0000000005390000-0x000000000539A000-memory.dmp

Filesize
40KB

Download
memory/2252-4-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/2544-48-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-54-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-46-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-235-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-105-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-50-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-172-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-49-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-104-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-236-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-55-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-56-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-58-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-103-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-102-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-99-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-100-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-171-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3136-19-0x0000000005BB0000-0x0000000005C16000-memory.dmp

Filesize
408KB

Download
memory/3136-81-0x0000000007450000-0x00000000074F3000-memory.dmp

Filesize
652KB

Download
memory/3136-84-0x0000000007600000-0x000000000760A000-memory.dmp

Filesize
40KB

Download
memory/3136-85-0x0000000007810000-0x00000000078A6000-memory.dmp

Filesize
600KB

Download
memory/3136-11-0x00000000010D0000-0x0000000001106000-memory.dmp

Filesize
216KB

Download
memory/3136-87-0x00000000077C0000-0x00000000077CE000-memory.dmp

Filesize
56KB

Download
memory/3136-12-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/3136-89-0x00000000078D0000-0x00000000078EA000-memory.dmp

Filesize
104KB

Download
memory/3136-13-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/3136-83-0x0000000007590000-0x00000000075AA000-memory.dmp

Filesize
104KB

Download
memory/3136-82-0x0000000007BD0000-0x000000000824A000-memory.dmp

Filesize
6.5MB

Download
memory/3136-32-0x0000000005C90000-0x0000000005FE4000-memory.dmp

Filesize
3.3MB

Download
memory/3136-98-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/3136-14-0x0000000005580000-0x0000000005BA8000-memory.dmp

Filesize
6.2MB

Download
memory/3136-76-0x0000000006870000-0x000000000688E000-memory.dmp

Filesize
120KB

Download
memory/3136-59-0x0000000006830000-0x0000000006862000-memory.dmp

Filesize
200KB

Download
memory/3136-60-0x000000006E7F0000-0x000000006E83C000-memory.dmp

Filesize
304KB

Download
memory/3136-15-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/3136-47-0x0000000006260000-0x000000000627E000-memory.dmp

Filesize
120KB

Download
memory/3136-51-0x0000000006290000-0x00000000062DC000-memory.dmp

Filesize
304KB

Download
memory/3136-16-0x00000000051A0000-0x00000000051C2000-memory.dmp

Filesize
136KB

Download
memory/3136-20-0x0000000005C20000-0x0000000005C86000-memory.dmp

Filesize
408KB

Download
memory/3264-91-0x0000000007170000-0x0000000007178000-memory.dmp

Filesize
32KB

Download
memory/3264-33-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/3264-34-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/3264-35-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/3264-61-0x000000006E7F0000-0x000000006E83C000-memory.dmp

Filesize
304KB

Download
memory/3264-97-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/3264-90-0x0000000007190000-0x00000000071AA000-memory.dmp

Filesize
104KB

Download
memory/3264-88-0x0000000007090000-0x00000000070A4000-memory.dmp

Filesize
80KB

Download
memory/3264-86-0x0000000007050000-0x0000000007061000-memory.dmp

Filesize
68KB

Download
memory/4756-177-0x000002118A720000-0x000002118A72E000-memory.dmp

Filesize
56KB

Download
memory/4756-178-0x000002118ABD0000-0x000002118ABDA000-memory.dmp

Filesize
40KB

Download
memory/4756-179-0x00000211A4C60000-0x00000211A4C68000-memory.dmp

Filesize
32KB

Download
memory/4756-180-0x00000211A6000000-0x00000211A6249000-memory.dmp

Filesize
2.3MB

Download