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Analysis
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max time kernel
150s -
max time network
98s -
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, 04:04
Behavioral task
behavioral1
Sample
61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe
Resource
win10v2004-20240419-en
General
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Target
61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe
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Size
313KB
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MD5
61fed1c6d28b5f76bd832e0c6e8e5f40
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SHA1
5f030c5c0de31e500ba2c66bfdb157c0fbd928eb
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SHA256
5c811b33dcbf0e17d4180d63fabb6ba084c0ddaca666ae470cab98761ad92393
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SHA512
7de5e881b2980569be05f53bf13444ae1e34bc610613f4d64bf392197a00910132eba844949d7e52f7e20b4e60762cb5bd808f0287c035a065d40846c944a09a
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SSDEEP
6144:JiQSo1EZGtKgZGtK/CAIuZAIuExQSo1EZGtKgZGtK/CAIuZAIuZ:AQtyZGtKgZGtK/CAIuZAIuExQtyZGtKF
Malware Config
Signatures
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Renames multiple (4428) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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resource yara_rule behavioral2/memory/4184-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000d000000023b24-2.dat upx behavioral2/files/0x000800000002295e-6.dat upx behavioral2/memory/4184-1450-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\WindowsFormsIntegration.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jre-1.8\bin\vcruntime140_1.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jre-1.8\lib\jsse.jar.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-phn.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ink\pl-PL\tipresx.dll.mui.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ink\TabIpsps.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationTypes.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationFramework.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusDemoR_BypassTrial365-ul-oob.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-pl.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.SPClient.Interfaces.DLL.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.Design.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Input.Manipulations.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Trial-ppd.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\zlib.md.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ul-oob.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-pl.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsfra.xml.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Web.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\WindowsBase.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationClient.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ul-oob.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Design.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\bg.pak.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\fontmanager.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-ppd.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClient.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jre-1.8\bin\management.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Slice.thmx.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Json.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\lcms.md.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ppd.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ul-oob.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-phn.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-180.png.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\uk.pak.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jdk-1.8\bin\jhat.exe.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jre-1.8\bin\j2pcsc.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\w2k_lsa_auth.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-pl.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-convert-l1-1-0.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationTypes.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\7-Zip\Lang\ja.txt.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationClient.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD.HXS.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jre-1.8\lib\jfr\profile.jfc.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-ppd.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebClient.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationCore.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationTypes.resources.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\xerces.md.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-pl.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\7-Zip\Lang\is.txt.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jdk-1.8\bin\jstack.exe.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ul-phn.xrm-ms.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore.dll.tmp 61fed1c6d28b5f76bd832e0c6e8e5f40_NEAS.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
313KB
MD5c79d491e669612d54bf1b6b74cbce005
SHA1c8f355a94826c4b37ca130b7718bcdde5a5747cc
SHA256137c64169ffeac0cf38c78e4205727aa7094e7fc58344b0a54b4423800a31e90
SHA512894e6197bc8edcd4f9c253f85b40cc0cf374a104df3db5916e5f9870397210a09af4d428d97316fadc1326f1770def081d6486e21731ee58fe95d2dd847625e8
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Filesize
412KB
MD50fc22fa3fff5967b3c42f13080cd6439
SHA10c5fe5ec8076a8e750853a698b18db70bd4db274
SHA256146343c4a8092641b77f9f6e17af18d0cad5d7f6bf4bd929463315b5b61d48e5
SHA512b919f5d2638304758a481feb19078a49329149a9c3e451a3c0ae7aa74179f7859b658e23e659836b993228aff9a51530f2cb634134f964194ac12581effef146