Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/10/2026, 08:03
Behavioral task
behavioral1
Sample
2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
6 signatures
150 seconds
General
- Target 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe
- Size 25KB
- Sample261020-jxtf4sa19k
- SHA256 f27680b1f6b94acbe524a118901df6426ae804eadcbaa5b897d94140ff2748ac
- MD5 33e6031be7b8d59f2fef9e21661c70b3
- SHA1 0a56efa6e9e6c964a57cfc393bf0ff6e054c8b13
- SHA512 13ce1e9a4cc4bf8459be03cc9590de2d39df64f8849cb623a2d1dd964fdffbc2c54a4c4521a7dbd8a10fc4425205d1ec2ca1c5fbf38167bdec7960838a46937e
- SSDEEP 384:hBt7Br5xjL9AgA71Fbhv/r+k7ha3s2zpsVvUaWq9C7X:R7BlpppARFbh6qcpim24
- TLSH T1F8C24B5E8B49C072C38550305C2F687D9DB7443C6E26DB6BAB56CD18AABA3D0FC3815A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Cosmu payload 4 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/memory/4456-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x00160000000115b6-2.dat family_cosmu behavioral2/files/0x00030000000003ae-5.dat family_cosmu behavioral2/memory/4456-794-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/4456-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x00160000000115b6-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x00030000000003ae-5.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/4456-794-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (4885) 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\Microsoft Office\root\Office16\FORMS\1033\EXITEM.CFG.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_PrepidBypass-ul-oob.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-pl.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\ANALYS32.XLL.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.office32ww.msi.16.x-none.xml.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-oob.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-ul-oob.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-math-l1-1-0.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encodings.Web.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack_eula.txt.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationUI.resources.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\cs\WindowsBase.resources.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunmscapi.jar.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-pl.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-pl.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\Default.dotx.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ppd.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\CONTACTL.ICO.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\Graph.exe.manifest.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\j2pkcs11.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-ppd.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-ul-oob.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\hostpolicy.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\WindowsBase.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\WindowsBase.resources.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\mesa3d.md.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-phn.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-80.png.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIntegration.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore_amd64_amd64_7.0.1624.6629.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.WebHeaderCollection.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\tr\UIAutomationTypes.resources.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\System.Runtime.InteropServices.RuntimeInformation.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Primitives.resources.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationCore.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.tr-tr.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC.HXS.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Extensions.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationUI.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Diagnostics.PerformanceCounter.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hr-hr.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Process.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\OMICAUTINTL.DLL.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\java_crw_demo.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-ppd.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\mk-MK\tipresx.dll.mui.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msadrh15.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\ReachFramework.resources.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140_2.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-ppd.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-ul-oob.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\fontmanager.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ul-oob.xrm-ms.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.XLS.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000011\FA000000011.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-100.png.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Security.Cryptography.Pkcs.dll.tmp 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_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 2026-10-20_33e6031be7b8d59f2fef9e21661c70b3_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-1704430598-3087477806-3297458608-1000\desktop.ini.tmp
- Size 25KB
- SHA256 4839c6eb3cd8d649ead7692592a9accc0142532d07e69b767313a5eed2fe55b9
- MD5 ff03cffce92440076373b4b8ced63b1b
- SHA1 1b5a3213baec00c41dc8c474ce29b3ecd3089e02
- SHA512 69a98c2c264884932113f50c024a65278984ad6d1a7f0c95d394bd0d4f980cc2d8064b523b4cc46e9d02927c3668b26a1428e377bdc7d0b89f6c0c476592ab1b
- SSDEEP 384:hBt7Br5xjL9AgA71Fbhv/r+k7ha3s2zpsVvUaWq9C7s:R7BlpppARFbh6qcpim2b
- TLSH T12CC24C5E8B49C072C38550306C2F68799DB7403C6E26DBA7AB56CD18AABA3D0FC3415A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.chm.tmp
- Size 142KB
- SHA256 a02c879a3f35a8c7838d2ded5d82c8e5df079c26b34ccc73c1c6c86bfd5fc03d
- MD5 b92dd8d647b89896ff501bf6cd3e45f0
- SHA1 d0c1aeffd48786aa2dcd810ce15dc211398c8195
- SHA512 77f6ef0b93530fd77e7ebd690188cbe417c85434a6b493be463c39b71248463dba61a44279ed368a5d2f546224dc502f31f2c698018a4e222ef883111db677bf
- SSDEEP 3072:7pWp6qcriwxMxdrwdaEMePCUlZVpnwzuGSsOOO3:0SuwxMxFELMO9wapsOZ3
- TLSH T183E3026A6B845422C74601382153E83E77B32C691D15CB527F8BCE0E6BF67D9F43922B
- MD5 SHA1 SHA512 SSDEEP TLSH