Analysis
- max time kernel
150s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/09/2026, 22:25
Behavioral task
behavioral1
Sample
2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
5 signatures
150 seconds
General
- Target 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe
- Size 61KB
- Sample260905-2caglstelf
- SHA256 d0321c50227816f4c44814dc28fe0285bd7d2d036c17c15027023c5903db3c19
- MD5 a2070e1c16778b4dbca7d933f12502df
- SHA1 5a1b9b4ddfbddfd5599d674996d0c54e5e402060
- SHA512 8bd99ffa1ada8cfe5c2c56fe3deb31c981417dc35140e7a3a4e1ea5623f1ff19c1cd10707488cbea8bcfed45fa53fe788c69cd74179953b0ed178cf881529b8b
- SSDEEP 768:p7BlphA7dASbSLJJBZBZaOAOIB3jM2jMO/7OS7ZTOwVFYn0A4K:p7ZhA7dAxJJB7LD2I2IbSFTDVVK
- TLSH T1FA53816A4D1DAAB2CC5975359C27FB342533F03E3A50E66DE87138208352E50DF9B26B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Cosmu payload 2 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral1/files/0x001e000000016810-1.dat family_cosmu behavioral1/files/0x0005000000021850-5.dat family_cosmu - Renames multiple (5057) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\System\ja-JP\wab32res.dll.mui.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\dxil.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\vcruntime140.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10.mp4.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ppd.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\SMSL.ICO.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\tipresx.dll.mui.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.DirectoryServices.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationUI.resources.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Grace-ppd.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ppd.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-180.png.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\mset7.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\messages.properties.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Corbel.xml.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ul-phn.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClientSideProviders.resources.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l1-1-0.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\jsoundds.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16ConsumerPerp_Bypass30-ppd.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Cng.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.DiagnosticSource.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\Office16\OSPP.VBS.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-handle-l1-1-0.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-ppd.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ul-oob.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.COMMON.DLL.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrdeulm.dat.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jconsole.exe.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\javaws.jar.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.XLHost.Modeler.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART15.BDR.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ja-jp-sym.xml.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\UIAutomationTypes.resources.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ul-oob.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\PresentationUI.resources.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-ppd.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Linq.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationProvider.resources.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Xaml.resources.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsFormsIntegration.resources.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ko\System.Windows.Forms.Design.resources.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-100.png.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\Microsoft.VisualBasic.Forms.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.common.16.xml.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ul-oob.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OutlookAutoDiscover\WANS.NET.XML.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsel.xml.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.Extensions.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Controls.Ribbon.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jawt.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-ul-oob.xrm-ms.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\BackupInitialize.dxf.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\System.Windows.Forms.Primitives.resources.dll.tmp 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.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 2026-09-03_a2070e1c16778b4dbca7d933f12502df_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-204488895-2999877624-296153668-1000\desktop.ini.tmp
- Size 62KB
- SHA256 5f4f75b1efa66170574b8b00fa4be12859e9f755ab669d8ad1c7baa395817178
- MD5 4bac740fdd0f052f0df7e8d784df2417
- SHA1 5baaaa46ffa9030b8578d32e179140b93f85cb7e
- SHA512 84e697ee2ccd16479b022910d5f726237edb3e90f7b6dce1d909ea6a143068fc0eff8d09c8c4cc8fa72b3513c8d4ebfa2eb62b872fa71e2f9ab8bc1d2e65a7d5
- SSDEEP 768:p7BlphA7dASbSLJJBZBZaOAOIB3jM2jMO/7OS7ZTOwVFYn0A4v:p7ZhA7dAxJJB7LD2I2IbSFTDVVv
- TLSH T10853806A4D1DAAB2CC5935359C27FB342533F03E3A54E66DE87138208352E50DF9B26B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 160KB
- SHA256 51ea46382ff8d7bbf5c67ed7d15fed1dc738ea63de778f0bfc2594fe21939861
- MD5 d234b83360bf56b1eb78927c1f0ffa19
- SHA1 b6daec73823ddb4ed93ee9a8998497a0c37b23c6
- SHA512 6a9ad177bd37550e987ba600126c2e03070d3e283178f46146d8e3daeea263092a214c423bb5d22868cb2b1df5eb8a13c27a298459ff30e13e91efe244cd3096
- SSDEEP 3072:Te76xtD33bSFTDVVY5ZMfTiu66I3UwqSsMBlsWb4A+L:SeTD7SFTrSMfTinqncsWp+L
- TLSH T1ECF307606C6EF6A1CE442239AD2BFF539212B15F3C59DD49B57138E38239E408C9B1E7
- MD5 SHA1 SHA512 SSDEEP TLSH