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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07/05/2024, 21:19
Static task
static1
Behavioral task
behavioral1
Sample
389b84669c243f3f824fbb9950c7cb40_NEIKI.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
389b84669c243f3f824fbb9950c7cb40_NEIKI.exe
Resource
win10v2004-20240419-en
General
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Target
389b84669c243f3f824fbb9950c7cb40_NEIKI.exe
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Size
76KB
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MD5
389b84669c243f3f824fbb9950c7cb40
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SHA1
10a17a90663c89221d46090c4cf68fb6c13a95dc
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SHA256
a4b1e67a65e50eebe55d8c262e442882639861aeb56bd7044223dec5ebf7829b
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SHA512
46ec5b2b89a972f27d9d9f5c97c591357530201c1f983afd458cace3661355d966a0c28920940026deb8dc95aa3cf757fd9fa194117f1408b1d7e30a54179e7f
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SSDEEP
768:W7Blp9pARFbhQSox/6Sox/ME4JAIAepE4JAIAeuDlmlQPc3f6Pc3f5TGotuMOiJd:W7Z9pApQESOHepOHe8G+6E65TGAR9v1r
Malware Config
Signatures
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Renames multiple (5024) 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.NETCore.App\8.0.2\Microsoft.Win32.Registry.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.IO.Packaging.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Java\jdk-1.8\bin\servertool.exe.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Java\jre-1.8\release.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Common.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-180.png.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Resources.Extensions.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ppd.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ppd.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-pl.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linessimple.dotx.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Dynamic.Runtime.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Queryable.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-ul-oob.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ppd.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSB.DLL.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\ShapeCollector.exe.mui.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ValueTuple.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-pl.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-oob.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ko-kr.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrusash.dat.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClient.resources.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-3101-0000-1000-0000000FF1CE.xml.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-pl.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\cardview-linkedentity-dark.png.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\rtscom.dll.mui.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Java\jdk-1.8\jre\README.txt.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ppd.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ppd.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUICellModel.bin.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Configuration.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationUI.resources.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationUI.resources.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Java\jdk-1.8\lib\packager.jar.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ul-oob.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Common Files\System\ado\msado25.tlb.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-pl.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Input.Manipulations.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXC.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\OMICAUTINTL.DLL.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\XLLEX.DLL.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\CHAKRACORE.DLL.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-180.png.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN092.XML.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\es.pak.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-private-l1-1-0.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-runtime-l1-1-0.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-ul-oob.xrm-ms.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\mscss7cm_en.dub.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-timezone-l1-1-0.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.Design.resources.dll.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\pl.pak.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe File created C:\Program Files\Microsoft Office\root\Office16\msotd.exe.tmp 389b84669c243f3f824fbb9950c7cb40_NEIKI.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
76KB
MD5744f7bec30b4a86342892fe30ce0079f
SHA1c5cbcca3d6ed5abdec5d2ee432856fac1d1eaec3
SHA2567dcc62aa3bbebccd65fe330c2e642cb8f1555d1dac3dcf5c13a1205a0318f657
SHA512f1f49f7859be881d3a523633bb315c188f70f90b6e385f24075c4a558eb6028b546f6bc6abcd7ec0648f841a42c21e67a422d9358dad2b831d394a0b827f7e4d
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Filesize
175KB
MD5d7095ec958da4aa125a256c3b584ea25
SHA184686b3871b7257557acd062360b6394204308a3
SHA256e5761423b3724ecd54f6bb7ea9c605def8f32b30b7a6c4ddf3e3b1830e11cd76
SHA5128c4be8b13e2ee139bb150ef20121e2e6faf13216bb820269b99674021d329b76030cdb13acc156d5f461d3ea859bf3a4d55075529c7f666cb592d3bd00e0f991