Analysis
- max time kernel
150s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
13/10/2026, 22:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_HEUR.Trojan.Win32.Generic.exe
Resource
win10v2004-20260911-en
18 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_HEUR.Trojan.Win32.Generic.exe
Resource
win11ltsc2024-20260911-en
16 signatures
150 seconds
General
- Target jaffacakes118_HEUR.Trojan.Win32.Generic.exe
- Size 400KB
- Sample261013-2d2mgsvsbx
- SHA256 4127fa31c2f9d24e26a7a1e7b7b25726a0f477c2e873cde4cefe5eb90180ac34
- MD5 0d92b0e838f050653f7d9ac1c499f1e1
- SHA1 c767a2fd20a5f61c93166c09e3586b467dcbdca9
- SHA512 4e50dffc1eb19fb6d389d60efa6b64d6a2a6b4c28bb43a515b965bf6dad5a24da1777f3d0946c0d368558d86a79394810933c7303f9db820f69fe82b5eab45c6
- SSDEEP 6144:7IiN8AYXyDYJB5fbOffw2lBDaBfDjkFd5auyGmQCN6JizPOkPa/tHCi9WOu/:o3X4QV92lajEmP6UzO7/E/
- TLSH T15B94014F5B04BE46E881C871A3586F5B9B836E12AB78582711F1387BCC3C5F44DF1A9A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" WKocfFMPaI.exe - Disables Task Manager via registry modification
- Executes dropped EXE 2 IoCs
pid Process 2732 WKocfFMPaI.exe 3940 WKocfFMPaI.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WKocfFMPaI.exe = "C:\\ProgramData\\WKocfFMPaI.exe" jaffacakes118_HEUR.Trojan.Win32.Generic.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hwrdeslm.dat attrib.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\Microsoft.VisualBasic.Forms.resources.dll attrib.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\jvm.hprof.txt attrib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WordInterProviderRanker.bin attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\GamesXboxHubMedTile.scale-100.png attrib.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\inline-error-2x.png attrib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] attrib.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\stream_out\libstream_out_setid_plugin.dll attrib.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxApp_48.49.31001.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\GamesXboxHubMedTile.scale-200.png attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\animations\OneNoteFirstRunCarousel_Animation2.mp4 attrib.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\Spotlight_WinterGames.gif attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.winmd attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubStoreLogo.scale-200.png attrib.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\EBWebView\x86 attrib.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\System.Windows.Forms.Primitives.resources.dll attrib.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\api-ms-win-core-localization-l1-2-0.dll attrib.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\System.Data.Entity.Resources.dll attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\resources\strings\LocalizedStrings_fr.json attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-30_altform-unplated_contrast-black.png attrib.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\fr-FR attrib.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\Locales\ja.pak attrib.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\ResiliencyLinks\msedgewebview2.exe.sig.DATA attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\be-BY\View3d\3DViewerProductDescription-universal.xml attrib.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxMailAppList.targetsize-16.png attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Home\LTR\contrast-white\MedTile.scale-200.png attrib.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\ja-jp attrib.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\EdgeUpdate.dat attrib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART11.BDR attrib.exe File opened for modification C:\Program Files\Microsoft Office\root\rsod\office32mui.msi.16.en-us.boot.tree.dat attrib.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsStore_11910.1002.5.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\ReactAssets\assets\node_modules\reactxp-experimental-navigation\NavigationExperimental\assets\back-icon.png attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\CalculatorStoreLogo.contrast-black_scale-100.png attrib.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\adojavas.inc attrib.exe File opened for modification C:\Program Files (x86)\Windows Media Player\es-ES\wmpnssci.dll.mui attrib.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell attrib.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\extensions attrib.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\packetizer\libpacketizer_mpeg4audio_plugin.dll attrib.exe File opened for modification C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color48.png attrib.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxAccountsSplashLogo.scale-140.png attrib.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ppd.xrm-ms attrib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-180.png attrib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSIPC\sv attrib.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\spu\libmarq_plugin.dll attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ScreenSketchSquare44x44Logo.targetsize-96_altform-lightunplated.png attrib.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\css\files attrib.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\ResiliencyLinks\Locales\gl.pak.DATA attrib.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\sr\LC_MESSAGES attrib.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\app\dev\nls attrib.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\de-DE\msader15.dll.mui attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNotePageWideTile.scale-200.png attrib.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\A12_Spinner_2x.gif attrib.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\cs-cz\ui-strings.js attrib.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\ro-ro attrib.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\de-de attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubSplashWideTile.scale-200.png attrib.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-0409-1000-0000000FF1CE.xml attrib.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\api-ms-win-crt-convert-l1-1-0.dll attrib.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsFeedbackHub_1.1907.3152.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\InsiderHubLargeTile.scale-125.png attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.contrast-black_targetsize-48.png attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Membership.MeControl\Assets\OfflinePages\Scripts\Me\MeControl\offline\en-US attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-black\Logo.scale-200_contrast-black.png attrib.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\deploy\[email protected] attrib.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.NET.Native.Framework.1.7_1.7.25531.0_x64__8wekyb3d8bbwe\AppxSignature.p7x attrib.exe - Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification C:\Windows\assembly\GAC_64\CustomMarshalers\2.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\cscompmgd\8.0.0.0__b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Policy.12.0.Microsoft.Office.Interop.Graph\15.0.0.0__71e9bce111e9429c\Policy.12.0.Microsoft.Office.Interop.Graph.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.IO.Log\3.0.0.0__b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.IO.Log.Resources\3.0.0.0_es_b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.ServiceModel.Web.Resources\3.5.0.0_es_31bf3856ad364e35\System.ServiceModel.Web.resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.DirectoryServices.Protocols.Resources\2.0.0.0_de_b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Net\3.5.0.0__b03f5f7f11d50a3a\System.Net.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Web.Services.Resources\2.0.0.0_fr_b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Workflow.Runtime.Resources\3.0.0.0_ja_31bf3856ad364e35 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\SMDiagnostics.Resources\3.0.0.0_it_b77a5c561934e089\SMDiagnostics.resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.DirectoryServices.AccountManagement\3.5.0.0__b77a5c561934e089\System.DirectoryServices.AccountManagement.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Web.Entity.Design.Resources\3.5.0.0_it_b77a5c561934e089\System.Web.Entity.Design.Resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Web.Extensions.Design.Resources\3.5.0.0_fr_31bf3856ad364e35\System.Web.Extensions.Design.Resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Windows.Presentation.Resources\3.5.0.0_es_b77a5c561934e089\System.Windows.Presentation.resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Workflow.Runtime\3.0.0.0__31bf3856ad364e35 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.PowerShell.Security.Resources\1.0.0.0_de_31bf3856ad364e35 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.DirectoryServices.Protocols.Resources\2.0.0.0_es_b03f5f7f11d50a3a\System.DirectoryServices.Protocols.resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Drawing.Resources\2.0.0.0_ja_b03f5f7f11d50a3a\System.Drawing.Resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Security.Resources\2.0.0.0_de_b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_32\PresentationCore\3.0.0.0__31bf3856ad364e35 attrib.exe File opened for modification C:\Windows\assembly\GAC_32\System.Data\2.0.0.0__b77a5c561934e089 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.Ink.Resources\6.1.0.0_es_31bf3856ad364e35\Microsoft.Ink.Resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.Ink.Resources\6.1.0.0_ja_31bf3856ad364e35 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.VisualStudio.Tools.Applications.AddInAdapter.v9.0\9.0.0.0__b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Configuration.Resources\2.0.0.0_es_b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Resources\2.0.0.0_it_b77a5c561934e089\system.Resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Xml.Resources\2.0.0.0_fr_b77a5c561934e089\System.xml.Resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_64\System.Data.OracleClient attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.Office.Interop.PowerPoint\15.0.0.0__71e9bce111e9429c\Microsoft.Office.Interop.PowerPoint.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.Transactions.Bridge.Dtc.Resources\3.0.0.0_de_b03f5f7f11d50a3a\Microsoft.Transactions.Bridge.Dtc.Resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\PresentationBuildTasks.Resources\3.0.0.0_it_31bf3856ad364e35\PresentationBuildTasks.resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Core\3.5.0.0__b77a5c561934e089\System.Core.dll attrib.exe File opened for modification C:\Windows\apppatch\Custom\Custom64 attrib.exe File opened for modification C:\Windows\assembly\GAC_32\System.Transactions\2.0.0.0__b77a5c561934e089 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Policy.14.0.Microsoft.Office.Interop.Access.Dao\15.0.0.0__71e9bce111e9429c\Policy.14.0.Microsoft.Office.Interop.Access.Dao.config attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Data.Entity\3.5.0.0__b77a5c561934e089\System.Data.Entity.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_32\CustomMarshalers\2.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_64\mscorlib\2.0.0.0__b77a5c561934e089\normnfkd.nlp attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.VisualStudio.Tools.Office.Word.AddInProxy.v9.0\9.0.0.0__b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Data.Resources\2.0.0.0_it_b77a5c561934e089 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.ServiceProcess.Resources\2.0.0.0_fr_b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_32\PresentationCore\3.0.0.0__31bf3856ad364e35\PresentationFontCache.exe.config attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.Ink.Resources\6.1.0.0_it_31bf3856ad364e35\Microsoft.Ink.Resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\ReachFramework.Resources\3.0.0.0_ja_31bf3856ad364e35 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Configuration.Resources\2.0.0.0_ja_b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Data.Services.Design\3.5.0.0__b77a5c561934e089 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Runtime.Serialization.Resources\3.0.0.0_de_b77a5c561934e089\System.RunTime.Serialization.Resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.ServiceModel.Web\3.5.0.0__31bf3856ad364e35 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.PowerShell.ConsoleHost.Resources\1.0.0.0_ja_31bf3856ad364e35 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Deployment.Resources\2.0.0.0_fr_b03f5f7f11d50a3a attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Web.Extensions.Design\3.5.0.0__31bf3856ad364e35\System.Web.Extensions.Design.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Web.Extensions.Design.Resources\3.5.0.0_it_31bf3856ad364e35 attrib.exe File opened for modification C:\Windows\assembly\GAC_32\MSBuild attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.PowerShell.Security.Resources\1.0.0.0_it_31bf3856ad364e35 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.VisualStudio.Tools.Office.AppInfoDocument.v9.0\9.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualStudio.Tools.Office.AppInfoDocument.v9.0.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Data.Services.Design.Resources\3.5.0.0_es_b77a5c561934e089 attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.ServiceModel.Resources\3.0.0.0_ja_b77a5c561934e089\System.ServiceModel.Resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\System.Web.Mobile.Resources\2.0.0.0_ja_b03f5f7f11d50a3a\System.Web.Mobile.resources.dll attrib.exe File opened for modification C:\Windows\apppatch\DirectXApps_FOD.sdb attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.VisualBasic.Resources\8.0.0.0_ja_b03f5f7f11d50a3a\Microsoft.VisualBasic.resources.dll attrib.exe File opened for modification C:\Windows\assembly\GAC\MSDATASRC attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe attrib.exe File opened for modification C:\Windows\assembly\GAC_MSIL\Microsoft.Transactions.Bridge.Dtc.Resources\3.0.0.0_es_b03f5f7f11d50a3a attrib.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jaffacakes118_HEUR.Trojan.Win32.Generic.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname jaffacakes118_HEUR.Trojan.Win32.Generic.exe - System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_HEUR.Trojan.Win32.Generic.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WKocfFMPaI.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WKocfFMPaI.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe - Modifies Control Panel 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\Control Panel\7f6b3266-31c5-43a8-9547-e7911ad6fb33 WKocfFMPaI.exe Set value (int) \REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\Control Panel\nsreg = "1791930528" WKocfFMPaI.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no" jaffacakes118_HEUR.Trojan.Win32.Generic.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 3940 WKocfFMPaI.exe 3940 WKocfFMPaI.exe 3940 WKocfFMPaI.exe 3940 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe 2732 WKocfFMPaI.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2732 WKocfFMPaI.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2732 WKocfFMPaI.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2876 wrote to memory of 2732 2876 jaffacakes118_HEUR.Trojan.Win32.Generic.exe 87 PID 2732 wrote to memory of 4992 2732 WKocfFMPaI.exe 108 PID 2732 wrote to memory of 868 2732 WKocfFMPaI.exe 110 PID 2732 wrote to memory of 1008 2732 WKocfFMPaI.exe 112 - System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System jaffacakes118_HEUR.Trojan.Win32.Generic.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" jaffacakes118_HEUR.Trojan.Win32.Generic.exe - Views/modifies file attributes 1 TTPs 3 IoCs
pid Process 868 attrib.exe 1008 attrib.exe 4992 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe"1⤵
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2876 -
C:\ProgramData\WKocfFMPaI.exeC:\ProgramData\WKocfFMPaI.exe2⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\attrib.exeattrib +h "C:\Users\Admin\*.*" /s /d3⤵
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4992
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C:\Windows\SysWOW64\attrib.exeattrib +h "C:\ProgramData\Microsoft\Windows\Start Menu\*.*" /s /d3⤵
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:868
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C:\Windows\SysWOW64\attrib.exeattrib +h "C:\*.*" /s /d3⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:1008
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C:\ProgramData\WKocfFMPaI.exeC:\ProgramData\WKocfFMPaI.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3940
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
4Replay Monitor
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Downloads
- Path C:\ProgramData\WKocfFMPaI.exe
- Size 400KB
- SHA256 4127fa31c2f9d24e26a7a1e7b7b25726a0f477c2e873cde4cefe5eb90180ac34
- MD5 0d92b0e838f050653f7d9ac1c499f1e1
- SHA1 c767a2fd20a5f61c93166c09e3586b467dcbdca9
- SHA512 4e50dffc1eb19fb6d389d60efa6b64d6a2a6b4c28bb43a515b965bf6dad5a24da1777f3d0946c0d368558d86a79394810933c7303f9db820f69fe82b5eab45c6
- SSDEEP 6144:7IiN8AYXyDYJB5fbOffw2lBDaBfDjkFd5auyGmQCN6JizPOkPa/tHCi9WOu/:o3X4QV92lajEmP6UzO7/E/
- TLSH T15B94014F5B04BE46E881C871A3586F5B9B836E12AB78582711F1387BCC3C5F44DF1A9A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\AutomaticDestinations\5f7b5f1e01b83767.automaticDestinations-ms
- Size 5KB
- SHA256 f867537fe29d8fcd853e5349b619b5b4dfafbe09190cf229594f1cb82d43754f
- MD5 bea530a46b77e34c61a532ef4df70ddb
- SHA1 4b5eeda72a414a82cb0c939b5e3e0fdeaef142e4
- SHA512 9a082082699e2a66889d442227236d649fb119ad7d74409ac3f883ea33d3217f0b6a3f8845851d9ece918cf22ca5d8f356cf1dc1c26fd8f6c6021bdb05272054
- SSDEEP 48:rvGdP7JIcBCZuERTh38lJS4JoyFZuE1mUkr:6VFBCnRThCSyoEn1mUS
- TLSH T1B4B1CE41352BD716E2804EB60F26E759E7303C499F09530F7148F31FA9B4A9099B9F63
- MD5 SHA1 SHA512 SSDEEP TLSH