trigona | a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9

Analysis

max time kernel
150s
max time network
150s
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, 06:13

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General

Target

a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
Size

1.7MB
MD5

68635ad9d12f683071611bfd34c1ec34
SHA1

3d59b3053f9f531197a47a6a936240cb81a700d9
SHA256

a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9
SHA512

811764a687edc700883ae31503bedb299702ee6281ae57bc0885f9fd60f80d0f572f545bb060dcd610f904167665ee2a520dbdd77e4f4fd953250b1fcf48cf96
SSDEEP

24576:GGA0AhSVzjJqVR/xmx0AsQ5r2jOGJTS8KmlI+u+68+05vNR:JAhuzc3DXJTS8KmVzecH

Score

10^/10

trigona adware discovery persistence privilege_escalation ransomware spyware stealer

Malware Config

Signatures

Detects Trigona ransomware 13 IoCs

resource	yara_rule
behavioral2/memory/2088-0-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-1-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-2-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-3-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-9-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-4415-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-4438-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-5053-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-5441-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-9865-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-17741-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-22437-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona
behavioral2/memory/2088-24354-0x0000000000400000-0x00000000005CF000-memory.dmp	family_trigona

Trigona
A ransomware first seen at the beginning of the 2022.
ransomware trigona
Trigona family
trigona

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 (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
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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
1364	5240	Process not Found

Drops startup file 1 IoCs

description	ioc	Process
File created	\??\c:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.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
9868	setup.exe
8264	setup.exe
10068	setup.exe
4012	setup.exe
9976	setup.exe
10080	setup.exe
7384	setup.exe
2416	setup.exe
9372	setup.exe
4060	setup.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\352ABD5322B3F8CC475714EB9EAF3E4B = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe"	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.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

Drops desktop.ini file(s) 4 IoCs

description	ioc	Process
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-2508704002-2325818048-3575902788-1000\desktop.ini	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\$Recycle.Bin\S-1-5-21-2508704002-2325818048-3575902788-1000\desktop.ini	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\desktop.ini	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe

Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\Microsoft Edge.lnk	setup.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	\??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft.NET\ADOMD.NET\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\fr-fr\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\edge_game_assist\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.DriveInfo.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\Windows Photo Viewer\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\cs-cz\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\images\themes\dark\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Common Files\System\msadc\msadds.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\VideoLAN\VLC\locale\ca@valencia\LC_MESSAGES\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationProvider.resources.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Windows Defender\fr-FR\ProtectionManagement_Uninstall.mfl	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ar-SA\View3d\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\sk-sk\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\it-IT\wmplayer.exe.mui	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\mip_core.dll	setup.exe
File created	\??\c:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Home\contrast-black\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Membership.MeControl\Assets\OfflinePages\Scripts\Me\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\hu-hu\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\desktop-connector-files\js\nls\en-il\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXml.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\MixedRealityPortalAppList.scale-125.png	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Place\LTR\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\plugins\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\tr-tr\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\en-gb\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ink\Microsoft.Ink.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Design.resources.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\AXIS\THMBNAIL.PNG	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationProvider.resources.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\lib\deployment.config	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-ppd.xrm-ms	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Sybase.xsl	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\Voices\en-US\en-US_female_TTS\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Resources\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Annotations.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Java\jre-1.8\lib\fonts\LucidaSansDemiBold.ttf	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\VideoLAN\VLC\plugins\codec\libx264_plugin.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\MSIPC\zh-TW\msipc.dll.mui	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\VideoLAN\VLC\locale\bn\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ja-JP\View3d\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Logos\contrast-high\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Common Files\System\msadc\en-US\msadcer.dll.mui	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-pl.xrm-ms	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Unlock.White.png	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.59\Locales\nn.pak	setup.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\Wordcnvpxy.cnv	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\Microsoft.Support.SDK\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Membership.MeControl\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ValueTuple.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\cs.pak	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ppd.xrm-ms	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\PROOF\msth8EN.DLL	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\VideoLAN\VLC\locale\lo\LC_MESSAGES\vlc.mo	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\ja-jp\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files (x86)\WindowsPowerShell\Modules\Microsoft.PowerShell.Operation.Validation\1.0.1\Test\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\PersonaSpy\notice.txt	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\api-ms-win-crt-process-l1-1-0.dll	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
File created	\??\c:\Program Files\WindowsPowerShell\how_to_decrypt.hta	a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

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

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3028	MicrosoftEdgeUpdate.exe

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\AppName = "ie_to_edge_stub.exe"	setup.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\Policy = "3"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Software\Microsoft\Internet Explorer\GPU	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\ = "IEToEdge Handler"	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\Low Rights\ElevationPolicy	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
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
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\ProtocolExecute\microsoft-edge	setup.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\EdgeIntegration\AdapterLocations\C:\Program Files (x86)\Microsoft\Edge\Application = "1"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\SOFTWARE\Microsoft\Internet Explorer\GPU	wwahost.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\Main	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\Main\EnterpriseMode	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{c9abcf16-8dc2-4a95-bae3-24fd98f2ed29}\ = "IEToEdge Handler"	setup.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\ProtocolExecute	setup.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\ProtocolExecute\microsoft-edge	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\EdgeIntegration	setup.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\EdgeIntegration\AdapterLocations	setup.exe
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	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\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\AppID\{1FCBE96C-1697-43AF-9140-2897C7C69767}\LocalService = "MicrosoftEdgeElevationService"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\0\win32	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\InProcServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\PdfPreview\\PdfPreviewHandler.dll"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgePDF\shell\open	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\Application\ApplicationName = "Microsoft Edge"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.xhtml\OpenWithProgIds\MSEdgeHTM	setup.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{628ACE20-B77A-456F-A88D-547DB6CEEDD5}	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ie_to_edge_bho.IEToEdgeBHO	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\ = "PDF Preview Handler"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mhtml\OpenWithProgIds\MSEdgeMHT	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\History	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\ = "IEToEdge BHO"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\shell\open\command\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --single-argument %1"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM\shell	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\\133.0.3065.59\\elevation_service.exe"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeHTM	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.shtml	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.mhtml	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000_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-1-5-21-2508704002-2325818048-3575902788-1000_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\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\TypeLib\	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{4A749F25-A9E2-4CBE-9859-CF7B15255E14}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4A749F25-A9E2-4CBE-9859-CF7B15255E14}\LocalServer32\ServerExecutable = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\notification_click_helper.exe"	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000_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\{1FCBE96C-1697-43AF-9140-2897C7C69767}\AppID = "{1FCBE96C-1697-43AF-9140-2897C7C69767}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\CLASSES\MIME	setup.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge\shell	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\Application\ApplicationIcon = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\msedge.exe,0"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.xht	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\shell\open\command\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --single-argument %1"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSEdgeMHT\shell\open\command	setup.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\ie_to_edge_bho.IEToEdgeBHO.1	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgePDF\Application\ApplicationCompany = "Microsoft Corporation"	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.xht\OpenWithProgids	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.pdf	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\Content\CacheLimit = "51200"	wwahost.exe
Key created	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\DomStorageState	wwahost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID	setup.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\runas	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.htm\OpenWithProgids	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.xhtml	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}\1.0\ = "TypeLib for Interface {C9C2B807-7731-4F34-81B7-44FF7779522B}"	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Explorer\DOMStorage\office.com\NumberOfSubdomains = "1"	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\shell\runas\command\ = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --do-not-de-elevate --single-argument %1"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\DisplayName = "PDF Preview Handler"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\AppID = "{6d2b5079-2f0b-48dd-ab7f-97cec514d30b}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge\shell	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{31575964-95F7-414B-85E4-0E9A93699E13}	setup.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3A84F9C2-6164-485C-A7D9-4B27F8AC009E}\EnablePreviewHandler = "1"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeMHT\Application\ApplicationName = "Microsoft Edge"	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftofficehub_8wekyb3d8bbwe\Internet Settings\Cache\History\CacheVersion = "1"	wwahost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\133.0.3065.59\\BHO\\ie_to_edge_bho_64.dll"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSEdgeHTM\Application\ApplicationDescription = "Browse the web"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge\ = "URL:microsoft-edge"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge\URL Protocol	setup.exe
Key created	\REGISTRY\MACHINE\Software\Classes\.xml	setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000_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\TypeLib\{C9C2B807-7731-4F34-81B7-44FF7779522B}	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\microsoft-edge\shell\open	setup.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
9976	setup.exe
9976	setup.exe
9732	LocalBridge.exe
9732	LocalBridge.exe
9732	LocalBridge.exe
9732	LocalBridge.exe
9732	LocalBridge.exe
9732	LocalBridge.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	9868	setup.exe
Token: SeIncBasePriorityPrivilege	9868	setup.exe
Token: SeDebugPrivilege	7372	wwahost.exe
Token: SeDebugPrivilege	7372	wwahost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
7372	wwahost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 9868	1084	MicrosoftEdge_X64_133.0.3065.59.exe	104
PID 1084 wrote to memory of 9868	1084	MicrosoftEdge_X64_133.0.3065.59.exe	104
PID 9868 wrote to memory of 8264	9868	setup.exe	105
PID 9868 wrote to memory of 8264	9868	setup.exe	105
PID 9868 wrote to memory of 10068	9868	setup.exe	106
PID 9868 wrote to memory of 10068	9868	setup.exe	106
PID 10068 wrote to memory of 4012	10068	setup.exe	107
PID 10068 wrote to memory of 4012	10068	setup.exe	107
PID 9868 wrote to memory of 9976	9868	setup.exe	108
PID 9868 wrote to memory of 9976	9868	setup.exe	108
PID 9868 wrote to memory of 10080	9868	setup.exe	109
PID 9868 wrote to memory of 10080	9868	setup.exe	109
PID 9976 wrote to memory of 7384	9976	setup.exe	110
PID 9976 wrote to memory of 7384	9976	setup.exe	110
PID 9868 wrote to memory of 2416	9868	setup.exe	111
PID 9868 wrote to memory of 2416	9868	setup.exe	111
PID 10080 wrote to memory of 9372	10080	setup.exe	112
PID 10080 wrote to memory of 9372	10080	setup.exe	112
PID 2416 wrote to memory of 4060	2416	setup.exe	113
PID 2416 wrote to memory of 4060	2416	setup.exe	113

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
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

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\a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe
"C:\Users\Admin\AppData\Local\Temp\a891d24823796a4ffa2fac76d92fec2c7ffae1ac1c3665be0d4f85e13acd33f9.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
PID:2088

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1ODIyNjMwNjkzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3028

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\MicrosoftEdge_X64_133.0.3065.59.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
1⤵
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\EDGEMITMP_CB0AD.tmp\setup.exe
  "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\EDGEMITMP_CB0AD.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\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:9868
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\EDGEMITMP_CB0AD.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\EDGEMITMP_CB0AD.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\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\EDGEMITMP_CB0AD.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff7173f6a68,0x7ff7173f6a74,0x7ff7173f6a80
    3⤵
    - Executes dropped EXE
    PID:8264
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\EDGEMITMP_CB0AD.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\EDGEMITMP_CB0AD.tmp\setup.exe" --msedge --channel=stable --system-level --verbose-logging --create-shortcuts=2 --install-level=1
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious use of WriteProcessMemory
    PID:10068
  - - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\EDGEMITMP_CB0AD.tmp\setup.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\EDGEMITMP_CB0AD.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\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\EDGEMITMP_CB0AD.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff7173f6a68,0x7ff7173f6a74,0x7ff7173f6a80
      4⤵
      Executes dropped EXE
      PID:4012
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:9976
  - - 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,0x200,0x230,0x7ff725926a68,0x7ff725926a74,0x7ff725926a80
      4⤵
      Executes dropped EXE
      PID:7384
- - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --remove-deprecated-packages --verbose-logging --system-level
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:10080
  - - 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,0x200,0x230,0x7ff725926a68,0x7ff725926a74,0x7ff725926a80
      4⤵
      Executes dropped EXE
      PID:9372
- - C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --update-game-assist-package --verbose-logging --system-level
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2416
  - - 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,0x200,0x230,0x7ff725926a68,0x7ff725926a74,0x7ff725926a80
      4⤵
      Executes dropped EXE
      PID:4060

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k AppReadiness -p -s AppReadiness
1⤵
PID:4880

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:9732

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:7372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

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

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

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

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2508704002-2325818048-3575902788-1000\desktop.ini

Filesize
2KB

MD5
7c5e12d524d36a27e642fb488bd2ad92

SHA1
7f0c22195d4c7030de875d6ebcfb1fa906447828

SHA256
3b3d056f03816715e22037b9a50562eca556d26cf26f3bfdce993b5a43729c7b

SHA512
b6467305f283ac19c1f20162168ebb64b1932105ef72dddc2ebd17b5817c94409998a418c1773cdaf08dafaa4e98e731eb8ac4d8f3941038b0f2da6761e4e779

Download Submit
C:\$Recycle.Bin\S-1-5-21-2508704002-2325818048-3575902788-1000\how_to_decrypt.hta

Filesize
12KB

MD5
bc8a3c293be7412f114547a30a622a6f

SHA1
67fe9c415f6be5181b62606d78f082a4fe2b5f5c

SHA256
76e6c176f4d562d95f2e91ad3d0b18575e751ba62f992ac5f699a5d2194a0e75

SHA512
c1928315a22598ced8dc81c68115e105491dc308f39c702d7cd3b2f832cf812f9a47aa2f63078ac1cf9c7c6ed81b8bc7b813f8b63e3db2f54600b2b959ec0de0

Download Submit
C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{78CBFBAA-50B1-4649-A3F4-5D227F662E43}\EDGEMITMP_CB0AD.tmp\setup.exe

Filesize
6.8MB

MD5
1b3e9c59f9c7a134ec630ada1eb76a39

SHA1
a7e831d392e99f3d37847dcc561dd2e017065439

SHA256
ce78ccfb0c9cdb06ea61116bc57e50690650b6b5cf37c1aebfb30c19458ee4ae

SHA512
c0e50410dc92d80ff7bc854907774fc551564e078a8d38ca6421f15cea50282c25efac4f357b52b066c4371f9b8d4900fa8122dd80ab06ecbd851c6e049f7a3e

Download Submit
C:\Program Files\MsEdgeCrashpad\settings.dat

Filesize
280B

MD5
cf858eaff093412b20e2178e8d1ae679

SHA1
536bbb981301a2b774e6b4fc81726647be6c3224

SHA256
117a01f6da66dedbc656f014437a8943a1604b9bfd663291f703bf804484ca81

SHA512
5d3b22c4899a89aa6be5fd789abaa75ae820da93978e6d5d183eee032875330ad55fcd38d3bbbbd465d14dc18ec228753e45666d61477f6bdfc4027a4d3159e0

Download Submit
memory/2088-9865-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-17741-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-4415-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-4438-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-2-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-5053-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-5441-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-1-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-3-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-22437-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-9-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-0-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/2088-24354-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/9732-24355-0x0000023C4DED0000-0x0000023C4DEDE000-memory.dmp

Filesize
56KB

Download
memory/9732-24356-0x0000023C4E380000-0x0000023C4E38A000-memory.dmp

Filesize
40KB

Download
memory/9732-24357-0x0000023C4E3B0000-0x0000023C4E3B8000-memory.dmp

Filesize
32KB

Download
memory/9732-24358-0x0000023C68800000-0x0000023C68A49000-memory.dmp

Filesize
2.3MB

Download