Analysis
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max time kernel
150s -
max time network
102s -
platform
windows11-21h2_x64 -
resource
win11-20250502-en -
resource tags
arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system -
submitted
05/06/2025, 08:18
Static task
static1
Behavioral task
behavioral1
Sample
11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe
Resource
win11-20250502-en
General
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Target
11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe
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Size
21KB
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MD5
2d1a6de4acdbf6a428a07c6b66663cc2
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SHA1
81ba1ce1603a648e4ef1a24f6fd6fe04fe5d349f
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SHA256
11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8
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SHA512
4120a96aa7cdb491f9db61508b4f4ad63213d7dff822d92bb2a8a4850819b3cb98ee8b542d1c40108388fabb7c929c0c2877a10044436fd84865d5a88f0ad61b
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SSDEEP
384:hAg+5OCZ4W6/KWLsqmFae+rOAqmFae+rOCNtQNt80u/M0u/r7:uZ4FLz8ae+rOn8ae+rOCjQjYIr7
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 behavioral2/memory/2824-1233-0x0000000000400000-0x0000000000407000-memory.dmp family_cosmu -
Renames multiple (5306) 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\Java\jdk-1.8\jre\lib\fonts\LucidaTypewriterRegular.ttf.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngcc.md.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Java\jre-1.8\bin\jp2native.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ul-oob.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\as90.xsl.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\vfs\Fonts\private\MSJH.TTC.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-stdio-l1-1-0.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-utility-l1-1-0.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ja\UIAutomationTypes.resources.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\java.exe.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Java\jre-1.8\bin\j2pcsc.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-ul-phn.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-pl.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationUI.resources.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_Grace-ul-oob.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-100.png.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\vfs\Fonts\private\REFSAN.TTF.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\msvcp140.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Xml.XmlDocument.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Xaml.resources.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Input.Manipulations.resources.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\WindowsFormsIntegration.resources.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ppd.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Trial-ppd.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Common Files\microsoft shared\ink\it-IT\rtscom.dll.mui.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.DriveInfo.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.Design.resources.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-140.png.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Office16\OSF.DLL.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Office16\BIPLAT.DLL.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Office16\CSS7DATA0009.DLL.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\rsod\officemuiset.msi.16.en-us.boot.tree.dat.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Transactions.Local.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationTypes.resources.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.IO.Packaging.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-pl.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\7-Zip\Lang\gu.txt.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.Extensions.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationClient.resources.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\AUTHOR.XSL.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\HintBarEllipses.16.GrayF.png.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_ca.xml.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.Common.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\meta-index.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ul-oob.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_Grace-ppd.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ppd.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-phn.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Common Files\System\ado\msado20.tlb.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Grace-ul-oob.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ppd.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Http.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\ReachFramework.resources.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Java\jdk-1.8\bin\javapackager.exe.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\WindowsBase.dll.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-pl.xrm-ms.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe File created C:\Program Files\Microsoft Office\root\Office16\ExcelCombinedFloatieModel.bin.tmp 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.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 11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe"C:\Users\Admin\AppData\Local\Temp\11e007332adab7424f3a426adc7480052bdd01f1de0eb110d8a07059abfc78c8.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2824
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
21KB
MD55aff50154337d1c17835b33c8cb0162f
SHA10a13fc6e220a1a9bb4ca0704e5b6661a3c90dc9b
SHA256aeafc97ded153e5b5a4a2fe9b6261dc067d7893a482b4446603bb1abb38665c1
SHA51266a4421215e6b9c2372d7b51c5de3f0895bba79bcc9f024b5d10995213143691180c6c3adae496c350395ad1b606ca606d86b5ad6d670c5bf113f4ef29f949ac
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Filesize
103KB
MD50ff8f9f71dd8c605ee02b30eaa384f26
SHA1ea4be040eb6a05fe3995d0c2ede5ead0808a8fb8
SHA256a71a5ce73fab8e6b0807e58cff1b48cd84d9efdc3045fa82a0a29dd694b23cae
SHA512bf4e4d7d64aa713532517ae8a874dfa9c4b32e3c1359a5a233a5fc5fa5eb0472d215971eaf82858bc7d10bc7ca6a1baf63296b8330857a445f47a403c6782ad9