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Analysis
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max time kernel
150s -
max time network
123s -
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, 02:59
Behavioral task
behavioral1
Sample
55e47629a6d2667bc3be22c2d4384480_NEAS.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
55e47629a6d2667bc3be22c2d4384480_NEAS.exe
Resource
win10v2004-20240419-en
General
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Target
55e47629a6d2667bc3be22c2d4384480_NEAS.exe
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Size
146KB
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MD5
55e47629a6d2667bc3be22c2d4384480
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SHA1
b0f0c50cc39cf681c5edcf8072109d73fcc4211b
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SHA256
63d2589a6f40b01c512b72da1348ccb501740a27a8ec3be4edef6765db8bb679
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SHA512
387087a8a088c8754916621d48f03203c75d88b3e5ddfcaf846740d2bd8c85bb3215110370d6bc7c0f70167c3f0d12d1a3b329c613406b107168b1766fd13deb
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SSDEEP
3072:+nymCAIuZAIuYSMjoqtMHfhflixisXxXk:JmCAIuZAIuDMVtM/ih0
Malware Config
Signatures
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Renames multiple (4844) 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/1696-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000c000000023b54-2.dat upx behavioral2/files/0x000800000002295e-6.dat upx behavioral2/memory/1696-1632-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-convert-l1-1-0.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\jfr.jar.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-ppd.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ul-oob.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ink\dicjp.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\jaccess.jar.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-pl.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\offsymsl.ttf.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PREVIEWTEMPLATE2.POTX.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationUI.resources.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationUI.resources.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-string-l1-1-0.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-ul-oob.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ul-oob.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ul-oob.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesdistinctive.dotx.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\XLINTL32.DLL.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-locale-l1-1-0.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ppd.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-pl.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\EXPTOOWS.XLA.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.EventBasedAsync.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\Microsoft.VisualBasic.Forms.resources.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.PerformanceCounter.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.cpl.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-oob.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationProvider.resources.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ul-oob.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.NetFX35.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.ScriptDom.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL044.XML.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN058.XML.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Client\msvcp140.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-pl.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ul-oob.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l2-1-0.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ppd.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN048.XML.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\7-Zip\Lang\pt.txt.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Tools.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\unicode.md.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-pl.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.ReportingServices.QueryDesigners.Extensions.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ul-oob.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\public_suffix.md.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-pl.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-process-l1-1-0.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationUI.resources.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-pl.xrm-ms.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\CSS7DATA0009.DLL.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\cs\msipc.dll.mui.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\OSFUI.DLL.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.ja-jp.txt.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClientSideProviders.resources.dll.tmp 55e47629a6d2667bc3be22c2d4384480_NEAS.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
147KB
MD59d790104e69f8d16e022f3c348859477
SHA1279eb32368a65cd645fcc60762f834c528c20cb6
SHA256f9c1bf01c1f66c1e3a3b8783aad5dd7bbf6f9950b392dc3d29bd3b62a63ffc4d
SHA51222b33be56d3ab584dad5f01a1215dfc44ce8e59fff83f619010ca51bf2f5d6460351f53d52c5461888e8eac707103fd8bb645b5bb882c927aa5dbd99225295af
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Filesize
245KB
MD57ebb20aa685e8816c538bc3d8956d63e
SHA1dfea5df51677f5926cf2da02ef49d7e81dcd6b21
SHA256059294bcfadeeafc49f4baca3242f1ccc847e08d0a6e70622d3e6a5d11cf3b87
SHA5121b8a99db4758f6b96d630dd1c2f21b5b4fae146fa4f37695fd799696e2fb55b2265d7fd2cf59d27aeb5f112fb50716eae6185cf09f1752ebb78e967c594c2e45