f255227fd45316c4681085f39e6da2f509af851f8cc2d2a84ea99c06b935ffe6

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30-06-2024 00:59

240630-bcjr6svbkk 10

20-06-2024 02:02

20-06-2024 01:44

19-06-2024 01:10

18-06-2024 20:40

18-06-2024 13:45

Analysis

max time kernel
124s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20-06-2024 01:44

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Report Analysis Logs

General

Target

Documents/Ransomware.TeslaCrypt/Ransomware.TeslaCrypt/3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe
Size

284KB
MD5

209a288c68207d57e0ce6e60ebf60729
SHA1

e654d39cd13414b5151e8cf0d8f5b166dddd45cb
SHA256

3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370
SHA512

ce4a7e42738154183fc53702f0841dfd4ad1eb0567b13cc1ff0909f1d330e9cd2fb994375efc6f02e7eddaaae1f465ff93458412143266afdaff1c6bf6477fc3
SSDEEP

3072:rYXT8PUsMNL8V4tD2My/JAAbQoM29wlV58lbNnolY7VgsYiVTPtiTu/q:rowUsML8g2j0o9wb0bNoaKsYImui

Score

9^/10

persistence ransomware spyware stealer

Malware Config

Signatures

Renames multiple (3999) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Drops file in Drivers directory 1 IoCs

Processes:

losfeea.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\drivers\gmreadme.txt losfeea.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\drivers\gmreadme.txt	losfeea.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe

Executes dropped EXE 1 IoCs

Processes:

losfeea.exe

pid process

4032 losfeea.exe
Reads user/profile data of web browsers 2 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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

losfeea.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\crypto13 = "C:\\Users\\Admin\\AppData\\Roaming\\losfeea.exe"	losfeea.exe

Drops file in System32 directory 64 IoCs

Processes:

losfeea.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_EnvironmentResource\en-US\MSFT_EnvironmentResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_RoleResource\de-DE\MSFT_RoleResourceStrings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_ServiceResource\es-ES\MSFT_ServiceResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\uk-UA\PSDSCxMachine.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\de-DE\Licenses\OEM\Professional\license.rtf	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\Microsoft.PowerShell.ODataUtils\ja-JP\Microsoft.PowerShell.ODataUtilsStrings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\SecureBoot\SecureBoot.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\en-US\Licenses\_Default\Professional\license.rtf	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\BitLocker\it-IT\BitLocker.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\uk-UA\RunAsHelper.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_GroupResource\fr-FR\MSFT_GroupResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\ServiceSet\ServiceSet.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_GroupResource\it-IT\MSFT_GroupResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\WindowsErrorReporting\WindowsErrorReporting.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_ProcessResource\es-ES\MSFT_ProcessResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_ServiceResource\de-DE\MSFT_ServiceResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDiagnostics\PSDiagnostics.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\AppLocker\AppLocker.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\de-DE\PSDesiredStateConfiguration.Resource.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_RegistryResource\de-DE\MSFT_RegistryResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\en-US\PSDesiredStateConfiguration.Resource.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\TLS\tls.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\ja-JP\lipeula.rtf	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\MsDtc\de-DE\TestDtc.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_ServiceResource\en-US\MSFT_ServiceResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\SecurityAndMaintenance_Error.png	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\ConfigCI\ConfigCI.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\NetQos\NetQos.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\it-IT\RunAsHelper.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_ServiceResource\it-IT\MSFT_ServiceResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_UserResource\en-US\MSFT_UserResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_UserResource\uk-UA\MSFT_UserResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\es-ES\PSDSCxMachine.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\Licenses\neutral\OEM\Professional\de-license.rtf	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\MsDtc\es-ES\TestDtc.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\UEV\UEV.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\fr-FR\lpeula.rtf	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\SmbShare\SmbShare.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\BitLocker\de-DE\BitLocker.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\it-IT\PSDSCxMachine.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\AppvClient\AppvClient.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\AssignedAccess\de-DE\AssignedAccessMsg.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\Licenses\neutral\Volume\Professional\license.rtf	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_GroupResource\es-ES\MSFT_GroupResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\ISE\ise.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCClassResources\WindowsPackageCab\it-IT\WindowsPackageCab.Strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\es-ES\RunAsHelper.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_ScriptResource\fr-FR\MSFT_ScriptResourceStrings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\fr-FR\Licenses\Volume\Professional\license.rtf	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\uk-UA\Licenses\Volume\Professional\license.rtf	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\NetSecurity\NetSecurity.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_PackageResource\de-DE\PackageProvider.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\fr-FR\lipeula.rtf	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\MixedRealityRuntime.json	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\en-US\RunAsHelper.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_EnvironmentResource\uk-UA\MSFT_EnvironmentResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_GroupResource\en-US\MSFT_GroupResource.strings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\fr-FR\default.help.txt	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\Microsoft.PowerShell.ODataUtils\fr-FR\Microsoft.PowerShell.ODataUtilsStrings.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\BitLocker\ja-JP\BitLocker.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\NetConnection\NetConnection.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\NetLbfo\NetLbfo.psd1	losfeea.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Modules\PSDesiredStateConfiguration\DSCResources\MSFT_PackageResource\ja-JP\PackageProvider.psd1	losfeea.exe
File opened for modification	C:\Windows\System32\LogFiles\WMI\Diagtrack-Listener.etl.001	losfeea.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

losfeea.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\HELP_TO_DECRYPT_YOUR_FILES.bmp"	losfeea.exe

Drops file in Program Files directory 64 IoCs

Processes:

losfeea.exe

description	ioc	process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\contrast-black\PeopleSplashScreen.scale-125.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.targetsize-60_altform-lightunplated.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxAccountsSmallTile.scale-100.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailLargeTile.scale-100.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\Images\PrintAndShare\Glyph_0xe7d7.png	losfeea.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteSectionSmallTile.scale-125.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxA-Yahoo-Dark.scale-300.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\images\themes\dark\caution.svg	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteSectionWideTile.scale-125.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\BadgeLogo.scale-100.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\BadgeLogo.scale-100.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\fr-ma\ui-strings.js	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-72_altform-unplated_contrast-white.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\Download_on_the_App_Store_Badge_it_135x40.svg	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Images\canvas_light.jpg	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNotePageSmallTile.scale-200.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteAppList.targetsize-72_altform-unplated.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.targetsize-72_contrast-black.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Collections\contrast-white\SmallTile.scale-200_contrast-white.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-Toolkit\Images\DefaultProfileImage.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\MapsAppList.scale-125.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxApp_48.49.31001.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\GamesXboxHubAppList.scale-125_contrast-white.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\images\themes\dark\s_thumbnailview_18.svg	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\StopwatchLargeTile.contrast-white_scale-100.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.contrast-black_targetsize-60.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\LinkedInboxSmallTile.scale-125.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\en-gb\ui-strings.js	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\da-dk\ui-strings.js	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\hu-hu\ui-strings.js	losfeea.exe
File opened for modification	C:\Program Files\Mozilla Firefox\defaults\pref\autoconfig.js	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\LiveTile\W7.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\124.0.2478.80\Locales\qu.pak	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\ExchangeBadge.scale-100.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\GenericMailBadge.scale-400.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\Assets\GameBar_AppList.scale-200.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-72_altform-unplated_contrast-white.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\de-de\ui-strings.js	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\fullscreen-exit.svg	losfeea.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-140.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.targetsize-16.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\uk-ua\ui-strings.js	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\ExchangeMediumTile.scale-200.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\YahooPromoTile.scale-100.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Collections\contrast-white\SmallTile.scale-100_contrast-white.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\hr-hr\ui-strings.js	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\home\images\themes\dark\files_icons2x.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\images\sat_logo.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsFeedbackHub_1.1907.3152.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\InsiderHubStoreLogo.scale-125_contrast-black.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.contrast-black_targetsize-80.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\sv-se\ui-strings.js	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\images\themes\dark\bun.png	losfeea.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\en-ae\ui-strings.js	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.contrast-white_targetsize-80.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxAccountsSplashLogo.scale-100.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Assets\Store\SmallTile.scale-400.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\MedTile.scale-100.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraLargeTile.contrast-black_scale-100.png	losfeea.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eu.txt	losfeea.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\jquery-ui-1.8.13.custom.css	losfeea.exe
File opened for modification	C:\Program Files\Mozilla Firefox\browser\VisualElements\PrivateBrowsing_70.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\LockScreenLogo.scale-200.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-20_contrast-black.png	losfeea.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Advanced-Light.scale-300.png	losfeea.exe

Drops file in Windows directory 64 IoCs

Processes:

losfeea.exe

description	ioc	process
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\23\common\Formatter\htmlScriptFinder.js	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-onecore-a..sibility-experience_31bf3856ad364e35_10.0.19041.746_none_69babc1ce4e23a84\busy.svg	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..in.preinstalledapps_31bf3856ad364e35_10.0.19041.1_none_78045c4b5f61a56c\DefaultSquareTileLogo1.contrast-white_scale-180.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.423_none_9de80b9d881a1ebd\pluginHostShim.bundle.js	losfeea.exe
File opened for modification	C:\Windows\diagnostics\system\Power\it-IT\RS_DisableUSBSelective.psd1	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-onecoreua..uetooth-userservice_31bf3856ad364e35_10.0.19041.153_none_e669b22d011fc6b2\DisplaySystemToastIcon.contrast-white.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\Manifests\wow64_microsoft.certifica..ient.cmdlets.native_31bf3856ad364e35_10.0.19041.804_none_5178617ce9219533.manifest	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-ui-shell-component_31bf3856ad364e35_10.0.19041.1_none_03928ee4a9e5894c\PasswordExpiry.contrast-black_scale-200.png	losfeea.exe
File opened for modification	C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\Assets\Square150x150Logo.scale-200.png	losfeea.exe
File opened for modification	C:\Windows\SystemResources\Windows.UI.AccountsControl\Images\Exchange.Theme-Dark_Scale-100.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\default.js	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..ntrolpanel.appxmain_31bf3856ad364e35_10.0.19041.1202_none_8f7e37524c3e1a13\logo.contrast-black.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.1_none_75cd350cc8b5dbcf\filesnodeicon.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.1_none_75cd350cc8b5dbcf\sourceSpan.js	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.423_none_9de80b9d881a1ebd\i_clearCache.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\manifest_AutoFormFill_5ED10D46BD7E47DEB1F3685D2C0FCE08.json	losfeea.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\23\VisualProfiler\images\i_chartzoom_reset.png	losfeea.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\webapps\inclusiveOobe\js\oobewelcome-page.js	losfeea.exe
File opened for modification	C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\Assets\SquareLogo310x310.scale-400.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\scoobeoutro-vm.js	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft.security...gement.policyengine_31bf3856ad364e35_10.0.19041.746_none_0b2e52494db526ec\AppLocker.psd1	losfeea.exe
File opened for modification	C:\Windows\WinSxS\wow64_microsoft-windows-mediaplayer-core_31bf3856ad364e35_10.0.19041.1266_none_8a8440f738abd1b9\DMR_48.jpg	losfeea.exe
File opened for modification	C:\Windows\WinSxS\wow64_microsoft-windows-t..tional-chinese-dayi_31bf3856ad364e35_10.0.19041.1_none_20c1c94bb9595c32\TableTextServiceDaYi.txt	losfeea.exe
File opened for modification	C:\Windows\diagnostics\scheduled\Maintenance\it-IT\CL_LocalizationData.psd1	losfeea.exe
File opened for modification	C:\Windows\SystemResources\Windows.UI.ShellCommon\Images\WiFiNetworkManagerWarningToast.scale-100.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-fileexplorer.appxmain_31bf3856ad364e35_10.0.19041.546_none_476476bb5c3a0bbc\PPIRemovableStorageDevicesSquareTile150x150.scale-400.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-p..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1_none_97b0a47239f6db64\PeopleLogo.targetsize-36_altform-unplated_contrast-white.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft.powershel..resources.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_da3f9db7407d539c\MSFT_ScriptResourceStrings.psd1	losfeea.exe
File opened for modification	C:\Windows\WinSxS\wow64_microsoft-windows-t..-coreinkrecognition_31bf3856ad364e35_10.0.19041.1_none_adddf97aceb0fb8a\ThirdPartyNotices.MSHWLatin.txt	losfeea.exe
File opened for modification	C:\Windows\WinSxS\wow64_microsoft-windows-tcpip-wmiv2provider_31bf3856ad364e35_10.0.19041.1_none_dd43866469710c67\NetTCPIP.psd1	losfeea.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.SecureAssessmentBrowser_cw5n1h2txyewy\Assets\Wide310x150Logo.contrast-white_scale-150.png	losfeea.exe
File opened for modification	C:\Windows\SystemResources\Windows.SystemToast.Calling\Images\Ignore.scale-100.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-b..iagnostic.resources_31bf3856ad364e35_10.0.19041.1_uk-ua_c5726222621d4aa4\CL_LocalizationData.psd1	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-userexperience-desktop_31bf3856ad364e35_10.0.19041.173_none_6486f23c2831aaf3\InputApp\InputApp\Assets\BadgeLogo.scale-200.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-l..se-oem-professional_31bf3856ad364e35_10.0.19041.1288_none_def92cfd289b607e\r\license.rtf	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.19041.1_en-us_a323edc73bd86475\ErrorPageStyles.css	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-n..quickstart.appxmain_31bf3856ad364e35_10.0.19041.1_none_4a388618f6365227\NarratorUWPSquare44x44Logo.targetsize-72_contrast-black.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-p..iagnostic.resources_31bf3856ad364e35_10.0.19041.1_en-us_e1cd2fc1732bf8d8\RS_ResetIdleSleepsetting.psd1	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..er.appxmain.ratings_31bf3856ad364e35_10.0.19041.1_none_ff46bbc9afee54c5\RatingStars31.contrast-white_scale-200.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-i..ntrolpanel.appxmain_31bf3856ad364e35_10.0.19041.1202_none_8f7e37524c3e1a13\logo.contrast-white_scale-200.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-ui-shell-component_31bf3856ad364e35_10.0.19041.746_none_2b9acc2d69574796\TabletMode.scale-125.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-dxp-deviceexperience_31bf3856ad364e35_10.0.19041.746_none_251e769058968366\watermark.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..nt-browser.appxmain_31bf3856ad364e35_10.0.19041.844_none_d9eb415c5b9dbe4e\Square150x150Logo.contrast-white_scale-150.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\HandleDefine.js	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-s..l-wallpaper-windows_31bf3856ad364e35_10.0.19041.1_none_910333b84fcf455a\img0.jpg	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.1_none_75cd350cc8b5dbcf\itemCollapsedIcon.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.423_none_9de80b9d881a1ebd\RemoteDiagnostics.js	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.19041.264_none_ef195f564f00d259\Oobe-ReadEbook-Alternative.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-ui-shellcommon-core_31bf3856ad364e35_10.0.19041.1_none_91b1f58702057373\NearShare.scale-200.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-w..iagnostic.resources_31bf3856ad364e35_10.0.19041.1_fr-fr_da750818e800f04c\CL_LocalizationData.psd1	losfeea.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\cache\Desktop\23.txt	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-c..riencehost.appxmain_31bf3856ad364e35_10.0.19041.1266_none_777e4c5802d14c18\unifiedEnrollmentDiscoveryErrorPage.js	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-n..quickstart.appxmain_31bf3856ad364e35_10.0.19041.423_none_72535ca9b59a9515\NarratorUWPSquare44x44Logo.targetsize-16_altform-unplated.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-s..okerplugin.appxmain_31bf3856ad364e35_10.0.19041.1_none_11b2da2074e7d6e4\PasswordExpiry.scale-400.png	losfeea.exe
File opened for modification	C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\23\debugger\Breakpoints\images\editCurrentBreakpoint.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft.powershell.dscresources_31bf3856ad364e35_10.0.19041.1_none_505fc1443cf7d96e\ServiceSet.psd1	losfeea.exe
File opened for modification	C:\Windows\WinSxS\msil_microsoft.powershell.psreadline_31bf3856ad364e35_10.0.19041.1_none_26793b1987683bc3\PSReadline.psd1	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft.powershel..resources.resources_31bf3856ad364e35_10.0.19041.1_it-it_c46793fe17af391a\WindowsPackageCab.Strings.psd1	losfeea.exe
File opened for modification	C:\Windows\WinSxS\wow64_microsoft-windows-l..-lpksetup.resources_31bf3856ad364e35_10.0.19041.1_de-de_13dd049228bb1fa4\lipeula.rtf	losfeea.exe
File opened for modification	C:\Windows\WinSxS\Manifests\wow64_microsoft-windows-d..airingdll.resources_31bf3856ad364e35_10.0.19041.1_es-es_7feeb373450e6d9c.manifest	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-h..learnmore.resources_31bf3856ad364e35_10.0.19041.1_uk-ua_a4159ed16c134bad\OOBE_HELP_Cortana_Learn_More.rtf	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.1_none_75cd350cc8b5dbcf\controls.css	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-m..oolsclient.appxmain_31bf3856ad364e35_10.0.19041.1_none_75cd350cc8b5dbcf\feedback.png	losfeea.exe
File opened for modification	C:\Windows\WinSxS\amd64_microsoft-windows-ui-shellcommon-core_31bf3856ad364e35_10.0.19041.1_none_91b1f58702057373\DefaultSystemNotification.scale-125.png	losfeea.exe

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

System Information Discovery
T1082

Modifies Control Panel 2 IoCs

evasion

Processes:

losfeea.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\Desktop\WallpaperStyle = "0"	losfeea.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\Desktop\TileWallpaper = "0"	losfeea.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

losfeea.exe

pid	process
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe
4032	losfeea.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe

description	pid	process	target process
PID 4288 wrote to memory of 4032	4288	3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe	losfeea.exe
PID 4288 wrote to memory of 4032	4288	3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe	losfeea.exe
PID 4288 wrote to memory of 4032	4288	3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe	losfeea.exe
PID 4288 wrote to memory of 3020	4288	3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe	cmd.exe
PID 4288 wrote to memory of 3020	4288	3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe	cmd.exe
PID 4288 wrote to memory of 3020	4288	3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\Documents\Ransomware.TeslaCrypt\Ransomware.TeslaCrypt\3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe
"C:\Users\Admin\AppData\Local\Temp\Documents\Ransomware.TeslaCrypt\Ransomware.TeslaCrypt\3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4288

C:\Users\Admin\AppData\Roaming\losfeea.exe
C:\Users\Admin\AppData\Roaming\losfeea.exe
2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
PID:4032

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DOCUME~1\RANSOM~1.TES\RANSOM~1.TES\3372C1~1.EXE >> NUL
2⤵
PID:3020

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4340,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=3596 /prefetch:8
1⤵
PID:4988

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Defacement

T1491

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\losfeea.exe
Filesize
284KB

MD5
209a288c68207d57e0ce6e60ebf60729

SHA1
e654d39cd13414b5151e8cf0d8f5b166dddd45cb

SHA256
3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370

SHA512
ce4a7e42738154183fc53702f0841dfd4ad1eb0567b13cc1ff0909f1d330e9cd2fb994375efc6f02e7eddaaae1f465ff93458412143266afdaff1c6bf6477fc3

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