Analysis
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max time kernel
150s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20250502-en -
resource tags
arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system -
submitted
05/06/2025, 08:15
Static task
static1
Behavioral task
behavioral1
Sample
972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe
Resource
win10v2004-20250502-en
General
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Target
972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe
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Size
29KB
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MD5
1dab7b8cffc06987f128a88ccfdc467b
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SHA1
a8ef5aaefa9b035d28734cec60babbcfcd891399
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SHA256
972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5
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SHA512
b96493d83e9c0aa394cd0ddf3563d3fced937e01e5d836cc205ef085665e4bb06277ee0c30aab4ca7fa52b7c667f3e26fa9b2995df83091464730149e67dd35b
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SSDEEP
384:hAg+5OCZ4W6/KWLsqmFae+rOAqmFae+rOfijcijSkR:uZ4FLz8ae+rOn8ae+rOfXHkR
Malware Config
Signatures
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Cosmu family
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Detects Cosmu payload 1 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral1/memory/1536-815-0x0000000000400000-0x0000000000407000-memory.dmp family_cosmu -
Renames multiple (5279) 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\6.0.27\api-ms-win-core-console-l1-2-0.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Linq.Queryable.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\it\System.Windows.Forms.Design.resources.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Google\Chrome\Application\133.0.6943.60\chrome_200_percent.pak.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\jfr.jar.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\offsymk.ttf.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Common Files\microsoft shared\ink\mip.exe.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jdk-1.8\jre\COPYRIGHT.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jre-1.8\bin\prism_common.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jre-1.8\bin\server\jvm.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_OEM_Perp-ul-phn.xrm-ms.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-ul-oob.xrm-ms.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Edm.NetFX35.V7.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\tracedefinition130.xml.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Common Files\microsoft shared\ink\et-EE\tipresx.dll.mui.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.OpenSsl.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.resources.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsBase.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\fr\UIAutomationProvider.resources.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Security.Cryptography.Xml.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\jce.jar.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.shared.Office.x-none.msi.16.x-none.xml.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nl-nl.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.TraceSource.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\lcms.md.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightItalic.ttf.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jre-1.8\lib\security\trusted.libraries.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-pl.xrm-ms.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Excel.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Checkmark.png.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIntegration.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ppd.xrm-ms.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Office16\Library\EUROTOOL.XLAM.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Office16\NL7MODELS000A.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ja-jp-sym.xml.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jdk-1.8\bin\keytool.exe.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ppd.xrm-ms.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\OpenSSL64.DllA\openssl64.dlla.manifest.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\1033\ALRTINTL.DLL.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsfra.xml.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\ReachFramework.resources.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Extensions.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationProvider.resources.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Google\Chrome\Application\133.0.6943.60\chrome_pwa_launcher.exe.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\rsod\office.x-none.msi.16.x-none.boot.tree.dat.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.DriveInfo.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Tracing.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.Channels.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\kk\msipc.dll.mui.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft Help\MS.MSOUC.16.1033.hxn.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Google\Chrome\Application\133.0.6943.60\vk_swiftshader_icd.json.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Internet Explorer\uk-UA\iexplore.exe.mui.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140_1.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\lcms.md.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ppd.xrm-ms.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ul-oob.xrm-ms.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-pl.xrm-ms.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ko\PresentationFramework.resources.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pt-BR\UIAutomationProvider.resources.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\System.Windows.Forms.Primitives.resources.dll.tmp 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe"C:\Users\Admin\AppData\Local\Temp\972482ea598bb8bd584e1e7f049c6add293ef35b75baf299e6aa9213f8fb28e5.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1536
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
29KB
MD52b9c57d5307371616c9b6c4c5c9677ac
SHA1a1abb20e108b3f7f1048241cdd3564d4065f632a
SHA256f2c86ba44e330799f70a2e6f5ec14c7d49022d1b999d464bbd27a624b3c2093b
SHA512e9317b7f951da142d269249710b1e09fe72a6fb35d449ebf0233303e3ade82694d93fc755c9b7910cb96160f0224f94995a77f33759576c91e638cfa4a86fda7
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Filesize
110KB
MD5e2f6ae9f7f589c65bd22d0ef919bf8eb
SHA16125563aea69898dd51b12d61b8cb922df9af560
SHA25688b0a3bb280e43ecda9ad84f9bbf2f901f7f3ac4af0aef7f8031fc07ff83cb2c
SHA512171eb410899eb4f9b97939d43525c7307bef0d3f41c80f59aeb82da91a9d1960780bcdf227415dbcd13b237ed53674def4052b6af10a04cd4c3061e02fef4c64