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
04/11/2026, 14:33
Behavioral task
behavioral1
Sample
2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
6 signatures
150 seconds
General
- Target 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe
- Size 76KB
- Sample261104-rwvxjsds7q
- SHA256 144ce577573aafc5ba836350101658da641bae3ed0ed2370a61639998e9eb193
- MD5 8a8a2e03db6cfc4b5e05e7c769f98aaf
- SHA1 ebff83ba1347af4d34cf5d08e09a2aa2b43c5b53
- SHA512 d9f43bac2725299f21330662a5169cc0ba4e2c7227c65aabbd45dc10ff7ce4e74ae9cc0c1fd1a67bfa62557e6d506bad9d54f8e3411c7f6515f09e44879d2be5
- SSDEEP 768:R7BlpppARFbh6qS+pim269O7X7vX9O7X7vAiuyIEd7gNc:R7ZppAp6qFpaMIwYc
- TLSH T1AF7373C9795FF799E34A6030D81317AE0EB690176E608ACBB78DF4EC6761AD0F41C026
- 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/4632-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x00170000000115bd-2.dat family_cosmu behavioral2/files/0x000300000000039a-5.dat family_cosmu behavioral2/memory/4632-749-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/4632-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x00170000000115bd-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000300000000039a-5.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/4632-749-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (4435) 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\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.CodeDom.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.AccessControl.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-2-0.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-pl.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-pl.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Grace-ul-oob.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ppd.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\host\fxr\8.0.15\hostfxr.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Security.Permissions.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-handle-l1-1-0.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH.HXS.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\Configuration\card_security_terms_dict.txt.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ul-phn.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ul-phn.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OleDbProvider.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ne.txt.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationCore.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL.HXS.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationNative_cor3.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-pl.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_Grace-ppd.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri Light-Constantia.xml.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\7-Zip\7zG.exe.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationProvider.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\jfr\default.jfc.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\jfr\profile.jfc.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-ppd.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-pl.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-pl.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipTsf.dll.mui.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\msinfo32.exe.mui.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\msadcor.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Data.Common.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\netstandard.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ppd.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\dbgshim.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.Timer.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\ReachFramework.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-2-0.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pt-BR\ReachFramework.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\lv.pak.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dom.md.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Drawing.Primitives.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationCore.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\ca.pak.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\sk.pak.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-ppd.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+Connect to New Data Source.odc.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-time-l1-1-0.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\jjs.exe.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-pl.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\UIAutomationProvider.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\hu.txt.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\bn-IN\tipresx.dll.mui.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InkObj.dll.mui.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\sspi_bridge.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Informix.xsl.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CONVERT\OLADD.FAE.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_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 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2304238888-3968896904-642854331-1000\desktop.ini.tmp
- Size 77KB
- SHA256 8578ff24ce82fa4c7a957da0fe860272898059645920d90f6738fd0885749320
- MD5 932ce58c7ca871bd4596ac92e33e6436
- SHA1 a38777dd1a76ba3799371e452ed3ff06ca5cf88c
- SHA512 c217bc8207a15921ac171ed11a502499f4576171b1d0f099d44a6ecbf506ad4c92c2d555c3218b14b7698937b7e2bc120f268b26ce6be289d0a6087ee04ad57f
- SSDEEP 768:R7BlpppARFbh6qS+pim269O7X7vX9O7X7vAiuyIEd7gND:R7ZppAp6qFpaMIwYD
- TLSH T1257374C9796FF799E34A6030D91317AE0EB690176E608ACBB78DF4DC6761AD0F41C026
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.chm.tmp
- Size 194KB
- SHA256 ec51d22ff0ee0d2048f5871d89994e0b86599eee5f8a62db77d34d9bdf934d5b
- MD5 817cb145946660dca20348c88619d16c
- SHA1 f2c5bedd82761683ae0d0929ff8b1a996bdee884
- SHA512 fdb98f23e8f35af1be08011503f83f2fd5310c7c07e82cdea18eba5b869012aa62b5759f4daf6aa251035c6986768235883769d6c146aa44e70162390b431b48
- SSDEEP 3072:7pWp6qF8vnwxMxdrwdaEMePCUlZVpnwzuGSsOOOh:0H8fwxMxFELMO9wapsOZh
- TLSH T1611426C979AFF789E64A1034D513577E0EB694172E208ACBBB8EF4DC6761AD4F01C026
- MD5 SHA1 SHA512 SSDEEP TLSH