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Analysis
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max time kernel
153s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08/05/2024, 22:34
Static task
static1
Behavioral task
behavioral1
Sample
7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe
Resource
win10v2004-20240226-en
General
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Target
7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe
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Size
80KB
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MD5
7e4aff1c2e53b193ca76559f66e41940
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SHA1
98ee9565c4e7eab17c49b8709f598a9e61f19853
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SHA256
644f98aea11238ff95a1a1bd0d3dffca4345fa00a586d112dd36b0a78404d57c
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SHA512
6cd7e8fe694d24032d29f2f959dec732df4b004bfede092ad2569a55b67a03896f562d8a6f114d9c5c9e6acbe52c9571ee84109e960f1b6446ef84373a5e2021
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SSDEEP
384:GBt7Br5xjL8AgA71FbhvUf2OkxN2Okxj/zFd1vqFd1vlbLbK:W7BlpQpARFbh2UM/zX1vqX1vw
Malware Config
Signatures
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Renames multiple (604) 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\7-Zip\Lang\kk.txt.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrusash.dat.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\nb-NO\tipresx.dll.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Diagnostics.Tools.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Diagnostics.Debug.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\InputPersonalization.exe.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\IpsPlugin.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\ucrtbase.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\hostpolicy.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsfra.xml.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Dynamic.Runtime.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\System\Ole DB\es-ES\oledb32r.dll.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\7-Zip\Lang\ky.txt.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\tabskb.dll.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.ComponentModel.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Linq.Expressions.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-process-l1-1-0.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-localization-l1-2-0.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.it-it.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\TipRes.dll.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-core-console-l1-2-0.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\WindowsBase.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.ComponentModel.TypeConverter.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\7-Zip\Lang\id.txt.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\mshwLatin.dll.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\mip.exe.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\System\msadc\msadcor.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.IO.IsolatedStorage.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\7-Zip\Lang\fy.txt.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\tipresx.dll.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-core-string-l1-1-0.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msdaremr.dll.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-crt-environment-l1-1-0.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\Microsoft.NETCore.App.deps.json.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.IO.Compression.Brotli.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVFileSystemMetadata.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-core-libraryloader-l1-1-0.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-core-util-l1-1-0.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Reflection.Metadata.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\7-Zip\Lang\he.txt.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-stdio-l1-1-0.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lv-lv.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\7-Zip\Lang\nb.txt.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.de-de.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Private.DataContractSerialization.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Threading.Overlapped.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\7-Zip\Lang\kab.txt.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\7-Zip\Lang\ru.txt.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\msinfo32.exe.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.ComponentModel.DataAnnotations.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TabTip.exe.mui.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\System\ado\msado28.tlb.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\Microsoft.VisualBasic.Core.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClient.man.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\7-Zip\Lang\ca.txt.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\clretwrc.dll.tmp 7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\7e4aff1c2e53b193ca76559f66e41940_NEIKI.exe"1⤵
- Drops file in Program Files directory
PID:536
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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 --mojo-platform-channel-handle=1408 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵PID:4032
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
81KB
MD5984de03551fbb24018981bc0c67f3984
SHA11335bc75bfba766a93b7a9d2b38b094d37e262e5
SHA256cf10eda31e35a7233c394dfeee75f917272827b3b0dbfe50eead5011201eb20f
SHA5126da0577e074965ffc2806d085498e8fc8bf228159f359beb19713da9f91e89a50ca67803f2e4feac385331fde3caf3ae3572400a75f4de67eefde24f87e00862
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Filesize
80KB
MD5e8926195aebb27cd715e417fca4a0768
SHA1b1b62edfe7f5718ebb88727905e87b56bfbd8ef5
SHA2564c5424a6611aaf81417faf9550ea7b4a74ddfd30c0b3217594dc18133ba949e9
SHA512298c76de6d21a7a8d8657b756e9f4591b6826f5c6a4daa4a3efb1ffde7265c35914acf8def96e09b248c2fbaca3b62e82baffbfcb7cb93c5c31ad23f8e775b7e