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
08/08/2026, 14:09
Behavioral task
behavioral1
Sample
2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe
- Size 1.6MB
- Sample260808-rgjkzagl8x
- SHA256 2b86ab88600a40c225b79235041c17ac2d2fdba05c9671da3886e77b0d909c59
- MD5 d5b616eff79ca21230fa4418234ef3d5
- SHA1 8d1b1a83b1455af72f8a4a655b353265d541b818
- SHA512 fc44e125c093a081de9cc097faa4077dae01eeaf4bb4b175bafdfa1bdb1d97decb8c696f9532e393f2f9c6015a15953316aab8737f5a47c32461259916d6ca65
- SSDEEP 24576:G94aFEDgI5hihF6cLYlrMA/+HHZEJmKr4bg2moectK0WNoLXgZ21zvcJHQ:GGTRzrbQEt4bg2mH0GGXgZ2lvyHQ
- TLSH T1A28512900D6AE082DBE74970B12F7F3D45BEE13BEB1D442206B831D95D91F016AEE85B
- 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/2808-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x000700000001b871-2.dat family_cosmu behavioral2/files/0x000300000001b1d6-6.dat family_cosmu behavioral2/memory/2808-209-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/2808-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000700000001b871-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000300000001b1d6-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/2808-209-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (1055) 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.Xml.XPath.XDocument.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\ReachFramework.resources.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationCore.resources.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\hu.txt.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVFileSystemMetadata.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebProxy.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Channels.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Design.resources.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msado26.tlb.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Private.Xml.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\tt.txt.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msaddsr.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\nn.txt.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\nn-NO\tipresx.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Extensions.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\tabskb.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ug-CN\tipresx.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-errorhandling-l1-1-0.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.DiagnosticSource.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Quic.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.JavaScript.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig.companion.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VGX\VGX.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\en-US\msadcer.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.TraceSource.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hu-hu.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\de-DE\oledb32r.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.Http.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Security.Cryptography.OpenSsl.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Xaml.resources.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\es-ES\msadcor.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Tools.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Http.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\va.txt.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.es-es.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\lo-LA\tipresx.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\vstoee.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-string-l1-1-0.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.Tracing.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msdaremr.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\Microsoft.NETCore.App.deps.json.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Loader.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\fr.txt.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\sv.txt.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lv-lv.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\zh-TW\tipresx.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.ComponentModel.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VC\msdia90.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\en-US\msadcor.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Concurrent.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.DiagnosticSource.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.ThreadPool.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\io.txt.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIntegration.dll.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\TabTip.exe.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ja-jp.xml.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\pt-PT\tipresx.dll.mui.tmp 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_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 2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_d5b616eff79ca21230fa4418234ef3d5_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2808
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 1.6MB
- SHA256 c7cfbd61423ffb261b767696992ab85e7db04ae612b7a6c0b50f1d8de78bf5df
- MD5 e5e4e694847be34c92aee308ae5c95f7
- SHA1 1b19ab3f4f58c66470a5a210075d5227bd022fbb
- SHA512 0c6a6ab1881aede3152520e909fda9427a4201d2cc33d3dda554f389d87bbb7dda9c6a51c791192d4413bc59ed1517bd0e2d1c494c62be42a1c98a0dc900c52b
- SSDEEP 24576:G94aFEDgI5hihF6cLYlrMA/+HHZEJmKr4bg2moectK0WNoLXgZ21zvcJH0:GGTRzrbQEt4bg2mH0GGXgZ2lvyH0
- TLSH T1208512900D6AE082DBE74970B12F7F3D45BEE13BEB1D442206B831D95D91F016AEE85B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 1.7MB
- SHA256 83d31c5e8d6ea8ccfe56da9846e68367f95c5154549473935840d11d55bcbb3a
- MD5 6ae5773bbca6c487caef1debfe5c8c7b
- SHA1 20a3075f86ede6c88bbce1ecd912551a760e9837
- SHA512 41cb144bde44e5613dc8223095e5a05abe68ccc53bee345e12be958ba04cdf3051bb07af62380bb6266cee652b72653485ab4e5af6aa9b8ccedf0a9bff69e599
- SSDEEP 24576:G94aFEDgI5hihF6cLYlrMA/+HHZEJmKr4bg2moectK0WNoLXgZ21zvcJHLMfSgWx:GGTRzrbQEt4bg2mH0GGXgZ2lvyHLM8
- TLSH T1FD8502500C6AF181CB974570B52F7F6E82BEF12BAF1D8C2216B831D65964F0129DF89B
- MD5 SHA1 SHA512 SSDEEP TLSH