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Analysis
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max time kernel
149s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
07/05/2024, 02:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe
Resource
win7-20240215-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe
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Size
73KB
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MD5
4f9edfa74d04b1f6bb3bdf325f9e8df0
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SHA1
818dbec0af8961a333572f3fcb8ef4321868bb0d
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SHA256
ca8251488fefcbed20644eb419bc43edc93f6aae84a7ca398e8641e0429170ca
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SHA512
9e1f2da081531c7d00560134346e409955b29c0ac41cdc36a6ebabec5ac8e3d3a1336c3e32124067605d1d0b497aa7c856646209ef17ec2ffe3962f9cecead4d
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SSDEEP
1536:W7ZhA7pApH1d9oVLQthbqbY9oVLQthbq51Rn6wt7tryK:6e7WpP9oVLQthbYY9oVLQthbUrt7tryK
Score
9/10
Malware Config
Signatures
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Renames multiple (5028) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Design.resources.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Input.Manipulations.resources.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libffi.md.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Grace-ul-oob.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.Design.resources.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ppd.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-100.png.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\PROOF\msgrammar8.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Common Files\System\msadc\es-ES\msadcor.dll.mui.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\coreclr.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationClientSideProviders.resources.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-xstate-l2-1-0.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-pl.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ppd.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\WordR_Grace-ul-oob.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Send2Fluent.png.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Cryptography.ProtectedData.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ppd.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-pl.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\SubsystemController.man.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationTypes.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-time-l1-1-0.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-localization-l1-2-0.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00C1-0000-1000-0000000FF1CE.xml.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-pl.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ul-oob.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentfallback.xml.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\ATPVBAEN.XLAM.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\OART.DLL.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Console.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Controls.Ribbon.resources.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Xaml.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\WORD_WHATSNEW.XML.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-100.png.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ar\msipc.dll.mui.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Java\jre-1.8\bin\jp2ssv.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-pl.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH.HXS.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-180.png.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected] 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\VISSHE.DLL.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.et-ee.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.resources.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-006E-0409-1000-0000000FF1CE.xml.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ul-oob.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-phn.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\7-Zip\Lang\br.txt.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\Microsoft.VisualBasic.Forms.resources.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul-oob.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\1036\MSO.ACL.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Extensions.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\TITLE.XSL.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationProvider.resources.dll.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ul-oob.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-pl.xrm-ms.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART3.BDR.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\7-Zip\Lang\zh-tw.txt.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe File created C:\Program Files\dotnet\dotnet.exe.tmp 4f9edfa74d04b1f6bb3bdf325f9e8df0_NEAS.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
73KB
MD51cfa7d5586349762b734ebedb43fc13c
SHA14b78d3b1d7cfcbaed5acf9ebadab7b434aa6ebd7
SHA2567803b6e50efe57c8e7d2824740d6738334d57588f64f9e0e57f3985e8ce874c4
SHA51278822867af7b706127c41ea84db42930575ecb3cf1f3a0f035c0c68d287c100fbcfc244d1957672e84168521ed84452d31fed9c70b190c1971f6079a231c482f
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Filesize
172KB
MD5f5c747c1070fd85ef4c36a2281ae2df7
SHA1f9eaf868152ff0fee23fe12252653ea7d9fee784
SHA256614a5852305f1ab2485d0c74c2c91a1c2e4032f4e8ac9f65838521366764f622
SHA512a49bbf920f8ed7d9dd7bf8fccdfcbbb5b53d123dad160d480c73a1d6bda34575ef6681f5a14ff27e98312483e8572f6ab92bef8d79dbf1bb924b25d75383da88