Analysis
- max time kernel
150s - max time network
97s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
19/05/2026, 02:35
Behavioral task
behavioral1
Sample
2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe
Resource
win11-20260513-en
6 signatures
150 seconds
General
- Target 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe
- Size 1.7MB
- Sample260519-c3eftaa18j
- SHA256 96dbd579973fcd8f9348acce3cc95aa9f85767a9e7d0c25a2cc6454da9ae02f5
- MD5 896a3af351d5b3e5a1830ef82b0327d7
- SHA1 efd73d2c533157621e22cd843090b7f7f44231cc
- SHA512 4164dbabf8ae723b0fa358976b43119ef5f7fc48d45b0c8a6e031d6332ac1357584764f31ad878837b4b508fd53d72739bd41a607340816bfcfba15f5c6013d2
- SSDEEP 24576:EWrGvEbAxMaLvfvXOrK+higzsEBpWQlmJMEx2H2zy5skmKGsgvJgtpeuhOfCm/r+:EWcM7lB+rkJwam/rEh
- TLSH T1278529EA7FBD6ECDCE734CB52663E034B289761F2F18D4A41236628C7050A535A235DB
- 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/792-0-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu behavioral2/files/0x002500000002b2e6-2.dat family_cosmu behavioral2/files/0x000300000002a2a4-6.dat family_cosmu behavioral2/memory/792-286-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/792-0-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x002500000002b2e6-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000300000002a2a4-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/792-286-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (1702) 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.IO.Pipes.AccessControl.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.Primitives.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\fr-FR\msader15.dll.mui.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\host\fxr\7.0.16\hostfxr.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationProvider.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationProvider.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\ShapeCollector.exe.mui.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.InteropServices.RuntimeInformation.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Input.Manipulations.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.StackTrace.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Text.Json.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClient.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsFormsIntegration.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Design.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.IO.Packaging.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\System.Xaml.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrenclm.dat.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\msadco.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\ReachFramework.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\Microsoft.Win32.Primitives.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\ReachFramework.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\PresentationUI.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\fr\System.Xaml.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Primitives.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationUI.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.InteropServices.JavaScript.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\clretwrc.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\mscordbi.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Numerics.Vectors.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Xaml.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\en-US\msdaprsr.dll.mui.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationFramework.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Aero2.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-datetime-l1-1-0.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-filesystem-l1-1-0.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-locale-l1-1-0.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.Messages.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\is.txt.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\host\fxr\6.0.27\hostfxr.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-heap-l1-1-0.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Process.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Primitives.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Input.Manipulations.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\sqloledb.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.IO.Compression.Brotli.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.Design.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ko-kr.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.TypeConverter.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clrjit.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationCore.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vccorlib140.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Security.Cryptography.Cng.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsFormsIntegration.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClientSideProviders.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Controls.Ribbon.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsBase.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\PresentationFramework.Aero2.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-namedpipe-l1-1-0.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClientSideProviders.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Design.resources.dll.tmp 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_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 2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-19_896a3af351d5b3e5a1830ef82b0327d7_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:792
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2824035265-2271499813-2042964211-1000\desktop.ini.tmp
- Size 1.7MB
- SHA256 29ba17f2849aa3d4d85f9cdb6ee3ac190b00ef4aab25c66d7454fc6eca244ff8
- MD5 1d2dd0ece3d098cfbb429e06fbc00fb7
- SHA1 d74da504c67ddaf31a2818464fe8547a74bc81e2
- SHA512 3e72f959281c1c02dc5a436342ac1192d48fe561f0285c1023e709dc4ea4db06ecdfaaae68d31e061d7c1c192e6299189ea04b73398643463c60d32adf5d3f48
- SSDEEP 24576:EWrGvEbAxMaLvfvXOrK+higzsEBpWQlmJMEx2H2zy5skmKGsgvJgtpeuhOfCm/rr:EWcM7lB+rkJwam/rEg
- TLSH T17C8529EA7FBD6ECDCE734CB52663E034B289761F2F18D4A41236628C7050A535A235DB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 1.8MB
- SHA256 327ec0d2767d9b2e0e1040ff83e8f7c829e00b7524bd6bd9c198e3929c886e9d
- MD5 fba2f17877f93a3ab603bc1797411cb1
- SHA1 b1cc6fa65bd0475a90e03371e29a38d73630572f
- SHA512 b981a1f0023f338b2543802790c7803e01953e75c2480699937b27d127632d4d12a7be353d852fecfe222400301810934d49abaed8cf0995dde4878324262378
- SSDEEP 24576:EWrGvEbAxMaLvfvXOrK+higzsEBpWQlmJMEx2H2zy5skmKGsgvJgtpeuhOfCm/rA:EWcM7lB+rkJwam/rEqMZ
- TLSH T1BC853AEA7FBD6ECDCE724CB53623E434B289760F2F18D4A41236628D7050A535A235DB
- MD5 SHA1 SHA512 SSDEEP TLSH