Analysis
- max time kernel
150s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/04/2026, 15:18
Behavioral task
behavioral1
Sample
2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe
Resource
win11-20260130-en
windows11-21h2-x64
6 signatures
150 seconds
General
- Target 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe
- Size 3.2MB
- Sample260417-spl7haay3m
- SHA256 e46ef627ace85070530491dae03b0375f13d3c0d675b8850ef212e44f9c39543
- MD5 de8291ca69ae16c8a909404802397a0d
- SHA1 a9935a80f6cccd63b1dcbfd0a9c56c615f99523c
- SHA512 586efaa717119161572ef2934f3c824fc35f3fc1aa40fac008a22b38123fa2e07fc938e46a98113787ae0136a0b4ad850774731fb200f7ad96e7e7e9e75c2c75
- SSDEEP 49152:GicMPdQVepBz+DfzA9HWrSMmDPK97Fduup6VeWbJPH/9ks2PutEYWNuHRbO9C:9WeX+DrzxsK9b36VeU192P0CNuHRbwC
- TLSH T1D5F58B98627AF971CBC6543DCE94BAD41CE37EBA18D1983C409506C70718D77FA0A8EE
- 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 behavioral1/memory/5364-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral1/files/0x00080000000243a1-2.dat family_cosmu behavioral1/files/0x000600000001e6d7-6.dat family_cosmu behavioral1/memory/5364-167-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral1/memory/5364-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x00080000000243a1-2.dat INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x000600000001e6d7-6.dat INDICATOR_EXE_Packed_eXPressor behavioral1/memory/5364-167-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (863) 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\Common Files\microsoft shared\ink\ipshrv.xml.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msaddsr.dll.mui.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Http.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.InteropServices.RuntimeInformation.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\mshwLatin.dll.mui.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Primitives.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.WebProxy.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\7-Zip\7z.exe.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ne.txt.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\host\fxr\7.0.16\hostfxr.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Metadata.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\mscordaccore_amd64_amd64_8.0.1525.16413.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.AppContext.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\DESIGNER\MSADDNDR.OLB.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\it-IT\rtscom.dll.mui.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Formats.Tar.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.Unsafe.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ObjectModel.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\hostpolicy.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-localization-l1-2-0.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encodings.Web.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Thread.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msado25.tlb.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\th.txt.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_ca.xml.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Crashpad\settings.dat.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Linq.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\uz.txt.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-libraryloader-l1-1-0.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Cng.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TipRes.dll.mui.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.CSharp.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.IsolatedStorage.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Csp.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwritash.dat.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\mip.exe.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.IO.Compression.ZipFile.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\Services\verisign.bmp.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Extensions.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ValueTuple.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.en-us.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ja-jp.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\tabskb.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\msdfmap.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\rtscom.dll.mui.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_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 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIntegration.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InputPersonalization.exe.mui.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-multibyte-l1-1-0.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Uri.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.Writer.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Primitives.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Overlapped.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\ApiClient.dll.tmp 2026-04-17_de8291ca69ae16c8a909404802397a0d_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 2026-04-17_de8291ca69ae16c8a909404802397a0d_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-312252282-3884318443-358092420-1000\desktop.ini.tmp
- Size 3.2MB
- SHA256 9ad07b611596ca2afa720401352dc824c90c5a4ba839a17442c9092f8f84209c
- MD5 b2787ed6bea3e7642a682aaaf0333291
- SHA1 aabd81fc670e3fd51c8f64d8543256444d0e2df8
- SHA512 c5906a0cc9a7926b20ad0e65b0254a9390f3fd73fc396123016cf8cff4aed04e186903846e753064831b00c94aed2cb60484ce38fa052e36b51a2aa9a6a38381
- SSDEEP 49152:GicMPdQVepBz+DfzA9HWrSMmDPK97Fduup6VeWbJPH/9ks2PutEYWNuHRbO9n:9WeX+DrzxsK9b36VeU192P0CNuHRbwn
- TLSH T194F58B98627AF971CBC6543DCE94BAD41CE37EBA18D1983C409506C70718D77FA0A8EE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 3.3MB
- SHA256 e9068c01cd88ef5ec9862b96c1119ae84d3103271d9394892effb277cb755595
- MD5 a694e98d76fd62c0b7d715ec3578f88c
- SHA1 c385fbcc85452064de83c00f3acfde6868350ffe
- SHA512 c0a89b55902f197e20eb2ab1f5b8f3b476c3f9001a049704e3c3ffd4c03d8a923465bd3d0692de2172ab1290178055035c6da5eab878cdd2cc639020efe1db8e
- SSDEEP 49152:GicMPdQVepBz+DfzA9HWrSMmDPK97Fduup6VeWbJPH/9ks2PutEYWNuHRbO9iMB:9WeX+DrzxsK9b36VeU192P0CNuHRbwL
- TLSH T185F57998667AF971CBC6543DCE56BAC11CE33EBA2CD5983C009506870718D77F90A8EE
- MD5 SHA1 SHA512 SSDEEP TLSH