Analysis
- max time kernel
150s - 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, 11:38
Behavioral task
behavioral1
Sample
2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
6 signatures
150 seconds
General
- Target 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe
- Size 2.0MB
- Sample260808-nrtbdaen3t
- SHA256 67aeef90341f5c97a9218e06d54a15ed8fcaa1ed4099ff19148ba0ca2e4b1091
- MD5 90cc894df6508f6c82a85d1648c95db8
- SHA1 9846e480294b8fdaa16888bf28280f7226a01e08
- SHA512 d258fdca5fa0842c151f7eed2d98b64de4e710c9d3ab0209f1aba37c93e7cdc35dde85ebab6f65baefbf7f4d1ab3ca366eb97dee9ad762df8b92aac70be18e3e
- SSDEEP 24576:GqOVLLpc7ckPc9QlmJMEx2H2zy5skmKGsgvJgtpeuhOfCm/rDAyf/WMjOa+XFL+r:G3d4arkJwam/rE4+MjOhVIale
- TLSH T18095E7F56A7E7ECCCDF24CE42213B0B1E945732F2F34F5D4D1A6118C6224AA655222EB
- 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/4260-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x000a000000011371-2.dat family_cosmu behavioral2/files/0x000400000001b1c0-6.dat family_cosmu behavioral2/memory/4260-166-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/4260-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000a000000011371-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000400000001b1c0-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/4260-166-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (903) 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\6.0.27\System.IO.FileSystem.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Reflection.Extensions.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\kaa.txt.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.ComponentModel.Primitives.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.ComponentModel.TypeConverter.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.Requests.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Reflection.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOMessageProvider.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\msadds.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordbi.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Primitives.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.Extensions.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\clretwrc.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.TraceSource.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\System\uk-UA\wab32res.dll.mui.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msado21.tlb.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clrjit.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Debug.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.Json.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-conio-l1-1-0.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\fr-FR\msdasqlr.dll.mui.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Registry.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Configuration.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.Windows.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-2-0.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.Lightweight.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\7-Zip\7z.exe.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Channels.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\mng.txt.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Core.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Transactions.Local.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Dynamic.Runtime.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Algorithms.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.Core.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Xml.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\host\fxr\8.0.15\hostfxr.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.Timer.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\mn.txt.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vcruntime140.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\it-IT\msdaprsr.dll.mui.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\fr-FR\oledb32r.dll.mui.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.Brotli.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.IO.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Xml.XDocument.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\pt.txt.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVManifest.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\msadce.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.Annotations.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RCom.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ja-jp.xml.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\mr-IN\tipresx.dll.mui.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Immutable.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.Linq.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\he-IL\tipresx.dll.mui.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\LICENSE.txt.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Quic.dll.tmp 2026-08-08_90cc894df6508f6c82a85d1648c95db8_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_90cc894df6508f6c82a85d1648c95db8_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-4046655672-1449839301-2197395821-1000\desktop.ini.tmp
- Size 2.0MB
- SHA256 93b7cac18bb74897abfd2630ea0ddc21c663073a8a473e44ba6db9b8e27d8634
- MD5 0c4c299252b37ae7fbf7259f551b1979
- SHA1 3e6c7eb4fd01e947a017428eec6ab66f026a34f7
- SHA512 1a7bf656008875ec819f65456bb63f89006cc2c92c4959fba2a8f35d2848ea2a0ee122b9fd1aa0be0272f9598dbd05adfd9d2042ee36e6181d33374a9d195174
- SSDEEP 24576:GqOVLLpc7ckPc9QlmJMEx2H2zy5skmKGsgvJgtpeuhOfCm/rDAyf/WMjOa+XFL+9:G3d4arkJwam/rE4+MjOhVIalM
- TLSH T1EC95E7F56A7E7ECCCDF24CE42213B0B1E945732F2F34F5D4D1A6118C6224AA655222EB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 2.1MB
- SHA256 92bc4cf1c64389c3e55f4b6c1fbd35029597c859f262c7f3a1a2a30f743483a4
- MD5 3aef24ec44516c4268228abf698ce872
- SHA1 e2f75b9371514bbca4c8ddb9920476061fb9b851
- SHA512 b4d13fbac000903e21351406f9a947b2671fb9102715d7c279a0b4f45f38b7213e4c1680b24af8f1263994fbbda0cb142ebd93b2034fd58d6122fc8c41b8a1ce
- SSDEEP 24576:GqOVLLpc7ckPc9QlmJMEx2H2zy5skmKGsgvJgtpeuhOfCm/rDAyf/WMjOa+XFL+R:G3d4arkJwam/rE4+MjOhVIaliMG
- TLSH T1EEA5F7F56A7F7ECCCDF248E42113B4B1E945732F2F34F5D4D1A6018C6224AA659222EB
- MD5 SHA1 SHA512 SSDEEP TLSH