latrodectus | 16bf1c6d22074a7532c158c0f8ffd7f1e1c36deab934ea5abad5c0d2cea11a62

Analysis

max time kernel
839s
max time network
900s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
09/02/2025, 01:45

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General

Target

UpdaterTag.dll
Size

72KB
MD5

baff48ded319cdc1eb2372e16c833260
SHA1

6ffbbee909e8225337a61da43f18d48bd403b32d
SHA256

16bf1c6d22074a7532c158c0f8ffd7f1e1c36deab934ea5abad5c0d2cea11a62
SHA512

ce560c27b4403ba9e9b14a7398e469e6fc42f79b70586266ae2d2b2210a9f81ea88e92a6f50b077e8480bc5fa9117d64acf1a6b3b3530807bd1534e5aac2cce6
SSDEEP

768:Tz7vRTYS4Oi5ONdWJ7HRCRuVnxsaQu7SDqRefml4I4QDqauXj57CHf8IdAtY5h82:Tzh7eO6hHRCSsBfml4I6z5If8I6oVTt

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/memory/3396-1-0x00007FF923E80000-0x00007FF923E96000-memory.dmp	family_latrodectus_1_4
behavioral1/files/0x000b000000023cfd-2.dat	family_latrodectus_1_4

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

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
56	1484	Process not Found

Deletes itself 1 IoCs

pid	Process
3396	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
4840	setup.exe
3836	setup.exe
548	setup.exe
3680	setup.exe
1460	setup.exe
2520	setup.exe
4408	setup.exe
3064	setup.exe
1092	setup.exe
3760	setup.exe

Loads dropped DLL 3 IoCs

pid	Process
2092	rundll32.exe
3628	rundll32.exe
3620	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\NoExplorer = "1"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\NoExplorer = "1"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\	setup.exe
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

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\Edge\Application\SetupMetrics\3064_13383579601726122_3064.pma	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\MEIPreload\manifest.json	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\fa.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\vk_swiftshader_icd.json	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Trust Protection Lists\Mu\Cryptomining	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\ca.pak	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\VisualElements\SmallLogoCanary.png	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\bg.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\elevation_service.exe	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\msedge_installer.log	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\Edge\Application\132.0.2957.140\identity_proxy\win10\identity_helper.Sparse.Internal.msix	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\Edge\Application\132.0.2957.140\Locales\th.pak	setup.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Trust Protection Lists\Mu\LICENSE	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\en-GB.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\MEIPreload\preloaded_data.pb	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\Trust Protection Lists\Mu\Fingerprinting	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\pt-BR.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\msedgewebview2.exe.sig	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\msvcp140_codecvt_ids.dll	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\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\vulkan-1.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\telclient.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.sig	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Trust Protection Lists\Sigma\Advertising	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\metadata	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\eventlog_provider.dll	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\webview2_integration.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\lo.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\mr.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\identity_proxy\win11\identity_helper.Sparse.Dev.msix	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\msedge.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\pwahelper.exe	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\ro.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\identity_proxy\win10\identity_helper.Sparse.Beta.msix	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\it.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\am.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\pt-BR.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Trust Protection Lists\Sigma\Entities	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\lb.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\eu.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\id.pak	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Program Files\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\onramp.dll	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Trust Protection Lists\Sigma\Content	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\identity_proxy\stable.identity_helper.exe.manifest	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\Trust Protection Lists\Mu\Other	setup.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\4c1a5c4b-fdd5-4358-9720-ae8723f43518.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\delegatedWebFeatures.sccd	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Locales\bg.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\132.0.2957.140\Locales\lb.pak	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\vccorlib140.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\nb.pak	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
3016	MicrosoftEdgeUpdate.exe
2776	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\Main\EnterpriseMode	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\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 (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\Policy = "3"	setup.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\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\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\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\EnterpriseMode\MSEdgePath = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}	setup.exe
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}\AppPath = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\132.0.2957.140\\BHO"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\ProtocolExecute\microsoft-edge	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\EdgeIntegration	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000\SOFTWARE\Microsoft\Internet Explorer\GPU	wwahost.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\Main	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 (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 (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\EdgeIntegration\AdapterLocations\C:\Program Files (x86)\Microsoft\Edge\Application = "1"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000\Software\Microsoft\Internet Explorer\GPU	wwahost.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\MSEdgeHTM\ = "Microsoft Edge HTML Document"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell\open	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.webp\OpenWithProgids\MSEdgeHTM	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.mht	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\Cookies\CacheLimit = "1"	wwahost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\History\CachePrefix = "Visited:"	wwahost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\EnablePreviewHandler = "1"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\Application\AppUserModelId = "MSEdge"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.webp\OpenWithProgids	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\0	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\CLSID\ = "{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\Application\AppUserModelId = "MSEdge"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO.1\	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.shtml\OpenWithProgids\MSEdgeHTM	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\Programmable\	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\Application\ApplicationName = "Microsoft Edge"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.pdf\OpenWithProgids\MSEdgePDF	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\Cookies\CacheVersion = "1"	wwahost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\shell\open\command\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --single-argument %1"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\TypeLib	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	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
Key created	\REGISTRY\MACHINE\SOFTWARE\CLASSES\MIME\Database	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\ProxyStubClsid32	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\CLSID\	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell\open	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\Content\CacheLimit = "51200"	wwahost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FCBE96C-1697-43AF-9140-2897C7C69767}\AppID = "{1FCBE96C-1697-43AF-9140-2897C7C69767}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\VersionIndependentProgID\	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\Application	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell\open\command	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithProgIds\MSEdgeHTM	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.xhtml	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AppID	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\ = "PDF Preview Handler"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/html\Extension = ".htm"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\Application	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.shtml\OpenWithProgids	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\TypeLib\ = "{C9C2B807-7731-4F34-81B7-44FF7779522B}"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF\shell\open\command	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\DOMStorage	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\VersionIndependentProgID\ = "ie_to_edge_bho.IEToEdgeBHO"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell\open\command	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.svg\OpenWithProgIds\MSEdgeHTM	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\0\win32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\132.0.2957.140\\elevation_service.exe"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\AppUserModelId = "MSEdge"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C9C2B807-7731-4F34-81B7-44FF7779522B}\TypeLib\Version = "1.0"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO\CurVer\	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\image/svg+xml	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\History\CacheVersion = "1"	wwahost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3311063739-2594902809-44604183-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\DOMStorage\office.com\NumberOfSubdomains = "0"	wwahost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}\LocalServer32	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\ = "IEToEdge BHO"	setup.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1460	setup.exe
1460	setup.exe
3584	LocalBridge.exe
3584	LocalBridge.exe
3584	LocalBridge.exe
3584	LocalBridge.exe
3584	LocalBridge.exe
3584	LocalBridge.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3396	rundll32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	4840	setup.exe
Token: SeIncBasePriorityPrivilege	4840	setup.exe
Token: SeDebugPrivilege	1440	wwahost.exe
Token: SeDebugPrivilege	1440	wwahost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1440	wwahost.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 2092	3396	rundll32.exe	86
PID 3396 wrote to memory of 2092	3396	rundll32.exe	86
PID 1060 wrote to memory of 4840	1060	MicrosoftEdge_X64_132.0.2957.140.exe	100
PID 1060 wrote to memory of 4840	1060	MicrosoftEdge_X64_132.0.2957.140.exe	100
PID 4840 wrote to memory of 3836	4840	setup.exe	101
PID 4840 wrote to memory of 3836	4840	setup.exe	101
PID 4840 wrote to memory of 548	4840	setup.exe	102
PID 4840 wrote to memory of 548	4840	setup.exe	102
PID 548 wrote to memory of 3680	548	setup.exe	103
PID 548 wrote to memory of 3680	548	setup.exe	103
PID 4840 wrote to memory of 1460	4840	setup.exe	104
PID 4840 wrote to memory of 1460	4840	setup.exe	104
PID 4840 wrote to memory of 2520	4840	setup.exe	105
PID 4840 wrote to memory of 2520	4840	setup.exe	105
PID 1460 wrote to memory of 4408	1460	setup.exe	106
PID 1460 wrote to memory of 4408	1460	setup.exe	106
PID 4840 wrote to memory of 3064	4840	setup.exe	107
PID 4840 wrote to memory of 3064	4840	setup.exe	107
PID 2520 wrote to memory of 1092	2520	setup.exe	108
PID 2520 wrote to memory of 1092	2520	setup.exe	108
PID 3064 wrote to memory of 3760	3064	setup.exe	109
PID 3064 wrote to memory of 3760	3064	setup.exe	109

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:\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:3396
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_5dd2300b.dll", #1
  2⤵
  - Loads dropped DLL
  PID:2092

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzA4NTY5MjczIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3016

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\MicrosoftEdge_X64_132.0.2957.140.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\MicrosoftEdge_X64_132.0.2957.140.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
1⤵
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\EDGEMITMP_79358.tmp\setup.exe
  "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\EDGEMITMP_79358.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\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
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:4840
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\EDGEMITMP_79358.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\EDGEMITMP_79358.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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\EDGEMITMP_79358.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff7149aa818,0x7ff7149aa824,0x7ff7149aa830
    3⤵
    - Executes dropped EXE
    PID:3836
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\EDGEMITMP_79358.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\EDGEMITMP_79358.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:548
  - - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\EDGEMITMP_79358.tmp\setup.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\EDGEMITMP_79358.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=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{C81F692B-C649-4B8C-8A38-60E46197416B}\EDGEMITMP_79358.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=132.0.2957.140 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff7149aa818,0x7ff7149aa824,0x7ff7149aa830
      4⤵
      Executes dropped EXE
      PID:3680
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1460
  - - 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:\Program Files\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=0x224,0x228,0x22c,0x200,0x230,0x7ff6f17fa818,0x7ff6f17fa824,0x7ff6f17fa830
      4⤵
      Executes dropped EXE
      PID:4408
- - 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 Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:2520
  - - 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:\Program Files\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=0x224,0x228,0x22c,0x200,0x230,0x7ff6f17fa818,0x7ff6f17fa824,0x7ff6f17fa830
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      PID:1092
- - 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
    - Suspicious use of WriteProcessMemory
    PID:3064
  - - 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:\Program Files\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=0x224,0x228,0x22c,0x200,0x230,0x7ff6f17fa818,0x7ff6f17fa824,0x7ff6f17fa830
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      PID:3760

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k AppReadiness -p -s AppReadiness
1⤵
PID:2288

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:3584

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:1440

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7RURBN0Q2ODgtNTYxQi00MUVELUFGMzMtMTQ2QzE3REU3RjI1fSIgdXNlcmlkPSJ7NjE5QjI4ODItN0M3NS00NkIzLUExMjQtNTJDMTBDRTY3REY2fSIgaW5zdGFsbHNvdXJjZT0ic2NoZWR1bGVyIiByZXF1ZXN0aWQ9Ins2REY0QUY4NS1EMTJFLTQ5NjQtOTQ4NS05NDVDNjg3MDJEMkV9IiBkZWR1cD0iY3IiIGRvbWFpbmpvaW5lZD0iMCI-PGh3IGxvZ2ljYWxfY3B1cz0iMiIgcGh5c21lbW9yeT0iNCIgZGlza190eXBlPSIyIiBzc2U9IjEiIHNzZTI9IjEiIHNzZTM9IjEiIHNzc2UzPSIxIiBzc2U0MT0iMSIgc3NlNDI9IjEiIGF2eD0iMSIvPjxvcyBwbGF0Zm9ybT0id2luIiB2ZXJzaW9uPSIxMC4wLjE5MDQxLjEyODgiIHNwPSIiIGFyY2g9Ing2NCIgcHJvZHVjdF90eXBlPSI0OCIgaXNfd2lwPSIwIiBpc19pbl9sb2NrZG93bl9tb2RlPSIwIi8-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7VlBRb1AxRitmcTE1d1J6aDFrUEw0UE1wV2g4T1JNQjVpenZyT0MvY2hqUT0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7RjNDNEZFMDAtRUZENS00MDNCLTk1NjktMzk4QTIwRjFCQTRBfSIgdmVyc2lvbj0iMS4zLjE5NS40MyIgbmV4dHZlcnNpb249IiIgbGFuZz0iIiBicmFuZD0iSU5CWCIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjEiIGNvaG9ydD0icnJmQDAuNDAiPjx1cGRhdGVjaGVjay8-PHBpbmcgcj0iMiIgcmQ9IjY2MTIiIHBpbmdfZnJlc2huZXNzPSJ7RTgwOEM0QTYtRTg2RC00MTZFLUJGNDUtMTg1MjlDQTcxRDMyfSIvPjwvYXBwPjxhcHAgYXBwaWQ9Ins1NkVCMThGOC1CMDA4LTRDQkQtQjZEMi04Qzk3RkU3RTkwNjJ9IiB2ZXJzaW9uPSI5Mi4wLjkwMi42NyIgbmV4dHZlcnNpb249IjEzMi4wLjI5NTcuMTQwIiBsYW5nPSIiIGJyYW5kPSJJTkJYIiBjbGllbnQ9IiIgZXhwZXJpbWVudHM9ImNvbnNlbnQ9ZmFsc2UiIGluc3RhbGxhZ2U9IjEiIGlzX3Bpbm5lZF9zeXN0ZW09InRydWUiIGxhc3RfbGF1bmNoX2NvdW50PSIxIiBsYXN0X2xhdW5jaF90aW1lPSIxMzM4MzQyMDgwODAzNDk3OTAiPjx1cGRhdGVjaGVjay8-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_UDE9MTczOTcxMDczMiZhbXA7UDI9NDA0JmFtcDtQMz0yJmFtcDtQND1oRzlwSWJva0pER3BKcnRwOHViVDRIZllHdlRxRWU0TmdQQlU0M2lPOFRqZVZZYThDYlp6emlVNFcyeHhkbDRhR3pUYUxORDVxWGp4RnFKaWNtc0RJZyUzZCUzZCIgc2VydmVyX2lwX2hpbnQ9IjE5OS4yMzIuMjEwLjE3MiIgY2RuX2NpZD0iMyIgY2RuX2NjYz0iREUiIGNkbl9tc2VkZ2VfcmVmPSIiIGNkbl9henVyZV9yZWZfb3JpZ2luX3NoaWVsZD0iIiBjZG5fY2FjaGU9IkhJVCIgY2RuX3AzcD0iIiBkb3dubG9hZGVkPSIxNzcxODAyMTYiIHRvdGFsPSIxNzcxODAyMTYiIGRvd25sb2FkX3RpbWVfbXM9IjQzNzk3Ii8-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-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-
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2776

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_5dd2300b.dll", #1
1⤵
- Loads dropped DLL
PID:3628

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_5dd2300b.dll", #1
1⤵
- Loads dropped DLL
PID:3620

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\{C81F692B-C649-4B8C-8A38-60E46197416B}\EDGEMITMP_79358.tmp\setup.exe

Filesize
6.6MB

MD5
b4c8ad75087b8634d4f04dc6f92da9aa

SHA1
7efaa2472521c79d58c4ef18a258cc573704fb5d

SHA256
522a25568bb503cf8b44807661f31f0921dee91d37691bf399868733205690bf

SHA512
5094505b33a848badcffd6b3b93aad9ad73f391e201dee052376c4f8573ba351f0b8c102131216088ffb38d0ed7b5fe70ba95c3ac2c33a50c993584fe7c435e3

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

Filesize
3.7MB

MD5
3646786aea064c0845f5bb1b8e976985

SHA1
a31ba2d2192898d4c0a01511395bdf87b0e53873

SHA256
a129a6de7b90500483226192b260eaca1ee116a007771d421aa3eee38af48d6f

SHA512
145f8abf2ecffd8ecc3745dbd9ab2e360826fa46d6f21dbebece7802b9b5980f4ab19e2dfd180ce0cfb84366f3ac5c87cd1b74a085e1a0dd620b6c097900e0f4

Download Submit
C:\Program Files\msedge_installer.log

Filesize
70KB

MD5
92f4c951606a73e5a53b357e75d7a88b

SHA1
e6229d2d0eefff5a694fcf276313da1e101cea5c

SHA256
09971fb3011c6058413159695e234d771cfd56472cda44f7e3e1925946c30a5c

SHA512
edff7c7ba3b7ac9fd4c8ddb284f89e387c3b78f42d5bc37a527d908732e581dc9cedde0df983ca0f10b75712efdc008798f43a9512794fba226009e737658ff6

Download Submit
C:\Program Files\msedge_installer.log

Filesize
101KB

MD5
361fc971138d0b8eca71bd61c8d8e922

SHA1
e665916a397a5ce7d9ff2fc2a55f1173e97469d8

SHA256
24c5409e7381eb05251b7a5e44f01468ce8f9d3dfa2bdc18ffdc86187aea4167

SHA512
e82fc04943e4eddaf46a34c3f7a5b5cbd31a6d5669dab72c6d7af057af671a722e98cd4df035c6e49d9b3243a15dc9f1be37c5e7e16f2b927c74b63181fc3d5e

Download Submit
C:\Program Files\msedge_installer.log

Filesize
100KB

MD5
c84439387be068005bf7b4af392a361d

SHA1
804b8043da200415a86013d870c441cb56f36635

SHA256
393b1b5017d7fbb234e7ade12eee2812025188a57458d59592dd36957ebfbbe5

SHA512
9a91b63186a607f7da24e196c4ad0532e58e596f40e3e57b61e1ee3d7148feccc0066370c59885d3a0810bf60c95046fc5d4a99327604eac2bc8d2b871397f15

Download Submit
C:\Program Files\msedge_installer.log

Filesize
101KB

MD5
3de7e50ecdab1e9dfadf5afe332d8106

SHA1
abfd73a84fc2d58df0aae4ead7192ab7f828b00a

SHA256
a2292fe37bca6f0dfa31f451bc49b3c713cbb9e247467092990815a5c0b7b62b

SHA512
273313a79fea78ed18ef707726ba6eef76e21114a155ba7d584790ded144a212b62c5c06405eea61dd0a2740b3bdbbe9ce93f360b5e185a2126ef1589bbfd34e

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

Filesize
455KB

MD5
d2a62591e234c55a904163a03e7ab894

SHA1
b9a5798538a67cb4a9f4168de2bbc3fda1b0266e

SHA256
b87845c515f24cbe2544388ec959da8d44e98ef295d6a8567990937d392c9593

SHA512
02ff0f02db7fdb6333f3978e62de6d817de205c210861c6a830b155d0fa216652500e4a5ed5ee45f89a88c7fe822826079cbec54157f16e39d898886403a223f

Download Submit
C:\Users\Admin\AppData\Roaming\Custom_update\Update_5dd2300b.dll

Filesize
72KB

MD5
baff48ded319cdc1eb2372e16c833260

SHA1
6ffbbee909e8225337a61da43f18d48bd403b32d

SHA256
16bf1c6d22074a7532c158c0f8ffd7f1e1c36deab934ea5abad5c0d2cea11a62

SHA512
ce560c27b4403ba9e9b14a7398e469e6fc42f79b70586266ae2d2b2210a9f81ea88e92a6f50b077e8480bc5fa9117d64acf1a6b3b3530807bd1534e5aac2cce6

Download Submit
memory/3396-1-0x00007FF923E80000-0x00007FF923E96000-memory.dmp

Filesize
88KB

Download
memory/3584-62-0x0000020B72F80000-0x0000020B72F8E000-memory.dmp

Filesize
56KB

Download
memory/3584-64-0x0000020B754C0000-0x0000020B754C8000-memory.dmp

Filesize
32KB

Download
memory/3584-63-0x0000020B75490000-0x0000020B7549A000-memory.dmp

Filesize
40KB

Download
memory/3584-65-0x0000020B75800000-0x0000020B75A49000-memory.dmp

Filesize
2.3MB

Download