Analysis
- max time kernel
150s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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 behavioral1/memory/1988-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral1/files/0x00060000000004ec-2.dat family_cosmu behavioral1/files/0x000200000001e64b-5.dat family_cosmu behavioral1/memory/1988-742-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral1/memory/1988-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x00060000000004ec-2.dat INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x000200000001e64b-5.dat INDICATOR_EXE_Packed_eXPressor behavioral1/memory/1988-742-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (4931) 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\microsoft shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\es-ES\msadcer.dll.mui.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\Integrator.exe.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\nb.txt.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.VisualBasic.Forms.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ja\WindowsFormsIntegration.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-006E-0409-1000-0000000FF1CE.xml.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PMAILEXT.ECF.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.SPClient.Interfaces.DLL.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-180.png.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwresplm.dat.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\j2pkcs11.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ul-phn.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-pl.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TabTip.exe.mui.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\cs.pak.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\instrument.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\casual.dotx.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\TASK.CFG.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\en-US\sqlxmlx.rll.mui.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-fibers-l1-1-0.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\cs\WindowsBase.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-pl.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ul-oob.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\fr\System.Windows.Forms.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pt-BR\WindowsBase.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-pl.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\FAXEXT.ECF.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\TabTip.exe.mui.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msado15.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Input.Manipulations.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationClientSideProviders.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ko\PresentationCore.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Diagnostics.EventLog.dll.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\ProjectStd2019R_Retail-ul-phn.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\mscordaccore.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\UIAutomationClient.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\DOCL.ICO.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FPA_w1\WA104381125.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ro.txt.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Internet Explorer\ExtExport.exe.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash_11-lic.gif.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ul-oob.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ar\msipc.dll.mui.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\th.txt.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClientSideProviders.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsFormsIntegration.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ko\System.Windows.Controls.Ribbon.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngdatatype.md.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-ppd.xrm-ms.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fi-FI\tipresx.dll.mui.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Quic.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsBase.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClient.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\fr\WindowsFormsIntegration.resources.dll.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\Internet Explorer\es-ES\ieinstal.exe.mui.tmp 2026-11-03_8a8a2e03db6cfc4b5e05e7c769f98aaf_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\kab.txt.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-1-5-21-1696934516-3600988056-1840298893-1000\desktop.ini.tmp
- Size 77KB
- SHA256 f5021b9e717120c1c537b7b7a411cca980823c7f10605c936cfa3b89db319646
- MD5 3cc4650f581f2fc472c6195bd1815ccc
- SHA1 d14fe570227a3db6b5111790e49e83acb2029372
- SHA512 db71858ce1883f7e7a6c08bf7c63f753c64b8f8bbfeb9fd49b33c617f509082d1a5c72c1e44fa2da48307255426f54ff6cfe563806c7e43b60154f6992c2c7b7
- SSDEEP 768:R7BlpppARFbh6qS+pim269O7X7vX9O7X7vAiuyIEd7gNi:R7ZppAp6qFpaMIwYi
- TLSH T1D77374C9796FF799E24A6030D81317AE0EB690176E608ACBB78DF4DC6761AD0F41C026
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.chm.tmp
- Size 194KB
- SHA256 4ec81dbbb873e7560b8f2f59734fa530986b62b0d56ac994b623b8364ffe6cd3
- MD5 1ac463d92004a9708b5ab34bdc137c6d
- SHA1 12d49000f67f2b2226bd7d1fdd3ab3f7ea585add
- SHA512 ca85a52eb6999a18d4d547d879d743a3c6a0a83f475230dffabb3ffc04e68722ae6aa396b4177652dc0a27aaa351cba250790c45b0f09868ae58c8d8cb7d198c
- SSDEEP 3072:7pWp6qF8vCwxMxdrwdaEMePCUlZVpnwzuGSsOOOh:0H8qwxMxFELMO9wapsOZh
- TLSH T18F1426C979AFF789E64A1034D503577E1EB694172E208ACBBB8EF4DC6761AD4F01C026
- MD5 SHA1 SHA512 SSDEEP TLSH