Analysis
- max time kernel
150s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/10/2026, 16:46
Behavioral task
behavioral1
Sample
2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
6 signatures
150 seconds
General
- Target 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe
- Size 2.2MB
- Sample261003-t97vdat1dz
- SHA256 c9fbbc26b6cd320f2593f44d758b8db26744bc05adeeb3e3b41b9474731b3ead
- MD5 16f9646871450b98755eca779455baff
- SHA1 4aa7cf0e60bb9f8302f302569277706c2efd6de9
- SHA512 95796e08ed6a2594092f841ec935e3baa2d1400ad146aa51d8ebfee5125c7c00a215d6868fd880ae339250a9f909f3199ab5b4ae6444c3b74b8c6ad19ac9dd81
- SSDEEP 24576:G99/ocGVqDdcMlF50EQ956Dhi+6XzRDQjGX3ISf+shC10MNBnOszLRhgO3rO:GHqVqBcMPdQCDYtRsiX3IkUkULRSOa
- TLSH T1E4B59D7A422BC947C52F4A7075F8F17505FAFA6B83EC4C315A79A1DE828102B60CED97
- 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/3552-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x000d00000001b883-2.dat family_cosmu behavioral2/files/0x00030000000003a9-5.dat family_cosmu behavioral2/memory/3552-242-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/3552-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000d00000001b883-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x00030000000003a9-5.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/3552-242-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (853) 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.Configuration.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebClient.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Metadata.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.id-id.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.VisualBasic.Core.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clrgc.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Memory.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.IO.FileSystem.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.Http.Json.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\el.txt.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TabTip.exe.mui.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.VisualC.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.OpenSsl.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\mraut.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msaddsr.dll.mui.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Buffers.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Specialized.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.TraceSource.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\lb-LU\tipresx.dll.mui.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Json.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Principal.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Dataflow.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\nn.txt.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\pa-IN\tipresx.dll.mui.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\vi-VN\tipresx.dll.mui.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Immutable.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.StackTrace.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.Tools.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pl-pl.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\nb-NO\tipresx.dll.mui.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ne-NP\tipresx.dll.mui.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\sqlxmlx.rll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-l1-1-0.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.FileSystem.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Serialization.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\uk.txt.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-GB\tipresx.dll.mui.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\gd-GB\tipresx.dll.mui.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.NonGeneric.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\mk.txt.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\tpcps.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msadcor.dll.mui.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NameResolution.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.Tracing.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\en.ttt.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\vstoee90.tlb.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\ja-JP\msader15.dll.mui.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Channels.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.DriveInfo.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.ResourceManager.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Intrinsics.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\7-Zip\7z.sfx.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-filesystem-l1-1-0.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\Microsoft.VisualBasic.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Data.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.InteropServices.JavaScript.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ast.txt.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.he-il.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-cn.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\TipRes.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Expressions.dll.tmp 2026-10-02_16f9646871450b98755eca779455baff_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 2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2251218687-1689653882-3767565116-1000\desktop.ini.tmp
- Size 2.2MB
- SHA256 039974d6f68acac6a8cd9a280273035e9a82793e0d2f68e086be5d6b0c8d1150
- MD5 39a81f90416ecfb5ec4152dc18c74bde
- SHA1 d69129d9304424c09842625fc5767848add08d64
- SHA512 90dc53c19bbbc9be4f0b164d01eb3e9a8f599cd414d597ec2c31fe760171513db7e64219674ee5068bcc89c9aeefb3e5a98a948a3f2d6b8d2d658e9fe7543da5
- SSDEEP 24576:G99/ocGVqDdcMlF50EQ956Dhi+6XzRDQjGX3ISf+shC10MNBnOszLRhgO3r+:GHqVqBcMPdQCDYtRsiX3IkUkULRSOq
- TLSH T142B59D7A422BC947C52F4A7075F8F17505FAFA6B83EC4C315A79A1DE828102B60CED97
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.chm.tmp
- Size 2.4MB
- SHA256 15502308407959f0285ad15f3f2cff8243a499683667bc37b0cadf731e5c01d5
- MD5 415065c322a23dc7ab28d2ca6a1f7959
- SHA1 e2bbb5a26a4758f7576854734f23d453bb0cd953
- SHA512 34927461adbe87b237725031dabcb4e47bbffcbc9308c5701eb606c46ad4ad1310855c9fe49cabb6e3c9f4c137788b88e3d34a5731f4ad1e70941b0f4156a7ec
- SSDEEP 49152:GHqVqBcMPdQCDYtRsiX3IkUkULRSO6wGx:Y7Y1UkUtSO6Vx
- TLSH T1B0B5AD7A421BC947C52F4A7075F8F17905FAFA6B83EC4C315A79A1DE828102B60CED97
- MD5 SHA1 SHA512 SSDEEP TLSH