Analysis
- max time kernel
150s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/09/2026, 03:40
Behavioral task
behavioral1
Sample
2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
6 signatures
150 seconds
General
- Target 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe
- Size 25KB
- Sample260910-d8akgswdrc
- SHA256 25b863e809d6060221c10be206da10ab2760ee4e221ab0e408e6c4de8ca31139
- MD5 a4e0055812da2235fe7ca71e35d841b0
- SHA1 620b29a68b16d32f3b31da1fb6a0d1f87ed6923d
- SHA512 032ecc728dbfb13be16be08c6bac8285e40a970a11606cd6680b3874b3a83b93c3f2dbf3bdf5aaaf69bf9aa04a0c7844f2e89e4ef9f6c765fa7e74b53b1ebd9b
- SSDEEP 384:NBt7Br5xjL9AgA71Fbhv/r+k7ha3WzpsVvUaWq9C7:d7BlpppARFbh6qLpim2
- TLSH T174B24B5E8B49C072C38550305D2F687D9CB7443CAE26DB6BAB568C18AAB63D0FC3915A
- 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/4196-0-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu behavioral2/files/0x000c00000001af5c-2.dat family_cosmu behavioral2/files/0x000300000001b1d6-6.dat family_cosmu behavioral2/memory/4196-572-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/4196-0-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000c00000001af5c-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000300000001b1d6-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/4196-572-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (4555) 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.NETCore.App\8.0.15\System.Diagnostics.FileVersionInfo.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationUI.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\net.properties.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Common Files\System\ja-JP\wab32res.dll.mui.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClient.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\D3DCompiler_47_cor3.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ko\WindowsBase.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-pl.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\DataStreamerLibrary.dll.config.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.JavaScript.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\de\PresentationCore.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\VisualElements\SmallLogoBeta.png.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\legal\javafx\jpeg_fx.md.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ppd.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\TellMeOutlookAppt.nrr.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCHARTCOMMON.DLL.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\include\classfile_constants.h.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\libpng.md.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-time-l1-1-0.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ul-oob.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Ping.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.IO.IsolatedStorage.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Loader.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\UIAutomationClientSideProviders.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\mlib_image.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Internet Explorer\IEShims.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\include\jni.h.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow Orange.xml.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-phn.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PenImc_cor3.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jsound.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.PPT.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\vstoee.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.HttpListener.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Numerics.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\PresentationFramework.Aero2.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\LICENSE.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10_RTL.mp4.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG.HXS.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\UmOutlookAddin.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClientSideProviders.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\cs\PresentationCore.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ppd.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ul-oob.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\SCHDREQ.CFG.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-dayi.xml.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l1-1-0.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Numerics.Vectors.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\wpfgfx_cor3.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Grace-ppd.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntryR_PrepidBypass-ppd.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\pt.txt.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Threading.AccessControl.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\ext\sunpkcs11.jar.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\msvcr120.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-oob.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\AugLoop\third-party-notices.txt.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_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 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-1738198120-2966725515-3980530802-1000\desktop.ini.tmp
- Size 25KB
- SHA256 7be56f65fdb54858525c46f87434de14d98c92da92a5b77808a2acc4f2dccf60
- MD5 3d95dcd320e76d739bdbb28b52a5e6e5
- SHA1 820656fb3f75dee8d3da47aaa6385aeb05d21526
- SHA512 9530ebb930e6b6c6423d6ee707e11abce555c24416d237f8fe43d80358b79fdd1c2f03e14fb2dfcfbb5c88fd8f1b841413a37b6acd8920db104a76683377cc25
- SSDEEP 384:NBt7Br5xjL9AgA71Fbhv/r+k7ha3WzpsVvUaWq9C7l:d7BlpppARFbh6qLpim2i
- TLSH T164C25C5E8B49D032C38550306D2F687DDDB7403CAE26DB67EB568C18AAB63D0FC3915A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 124KB
- SHA256 44d3036c8fbbe5fa73b666d7c2fbdf2b4617a3a4b564fa8fd82e00171076f805
- MD5 c63d5b091ede45c615fa227880eb38b2
- SHA1 622405e97365a79bc6e1a24e488c294deb8a6b05
- SHA512 51fee4d016321e38ffd013b10e5b02bba326bea007de0a1e0c646c45da018edf8c022d789061d1c9889c45619244c545b81a48a5adc2d249fc05e52ae8c5765f
- SSDEEP 3072:npWp6qLV5ZMfTiu66I3UwqSsMBlsWb4A+2:g99MfTinqncsWp+2
- TLSH T12FC3F6617CAEF6A0CF441339AD6B9E83C305398F3C5ACE4276A519E3913DD910C9B4E6
- MD5 SHA1 SHA512 SSDEEP TLSH