Analysis
- max time kernel
150s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
05/05/2026, 02:56
Behavioral task
behavioral1
Sample
2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe
Resource
win11-20260130-en
windows11-21h2-x64
6 signatures
150 seconds
General
- Target 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe
- Size 3.1MB
- Sample260505-dfapsabw2l
- SHA256 663965c44f2b120969a9df5dbfc5324e7d77311ca2bbf3ed1265d029d95e9c9e
- MD5 b8cd24cc6b728c3e668b2c48ee45c559
- SHA1 4b21c8292392e23a044c1fb9328cc749bcd2c256
- SHA512 5e950989fb1965315ff3d819a51f976a11cbefb67fb769c1b1c4a753b7d867027b3facc98b2129a86f76d730e798d432d21658d2328c96b75003822505d1f2a4
- SSDEEP 24576:GjvAfSkXXHsfCbBLetE7e5W2d1JyB/0MzxQ2UKL7isSAuo8698aHING:GjIfSkXXPLetEBZuop98aHf
- TLSH T1CDE53C2E176641D3E0589338B0EBB35DF211FC0ED4E538887BA5B3297B55F42B616A32
- 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/4624-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x001d00000002b11b-2.dat family_cosmu behavioral2/files/0x0004000000028beb-6.dat family_cosmu behavioral2/memory/4624-178-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/4624-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x001d00000002b11b-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x0004000000028beb-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/4624-178-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (1019) 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.Reflection.Extensions.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Primitives.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-runtime-l1-1-0.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nb-no.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.CodePages.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Security.Claims.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.en-us.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\RepoMan.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\msdaps.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Annotations.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Contracts.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\D3DCompiler_47_cor3.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\tt.txt.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\en-US\msadcer.dll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\msadds.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\en-US\msdasqlr.dll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.IsolatedStorage.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\ucrtbase.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.ComponentModel.DataAnnotations.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ru-ru.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\eu-ES\tipresx.dll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InkObj.dll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\InkDiv.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\mshwgst.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msaddsr.dll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ga.txt.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\pl.txt.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\it-IT\tabskb.dll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\it-IT\sqloledb.rll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.WebSockets.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hr-HR\tipresx.dll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\msquic.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Windows.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Transactions.Local.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Xaml.resources.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\zh-cn.txt.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.es-es.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsptg.xml.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.CSharp.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsBase.resources.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msader15.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\ja-JP\sqloledb.rll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Numerics.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\7-Zip\History.txt.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ky.txt.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.da-dk.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\tipresx.dll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\nl-NL\tipresx.dll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationProvider.resources.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\eu.txt.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\es-ES\oledb32r.dll.mui.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processthreads-l1-1-0.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Buffers.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.StackTrace.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.AccessControl.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-dayi.xml.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\InkObj.dll.tmp 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_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 2026-05-05_b8cd24cc6b728c3e668b2c48ee45c559_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2122505878-652277452-2375749442-1000\desktop.ini.tmp
- Size 3.1MB
- SHA256 badbab0cc14faf047901178a53c6bf2ac5d0ae0a625f7571114ac08126231bd5
- MD5 e91500166451f0dc1ae6d52d2aa5133e
- SHA1 3138dc1b04f53500a8ed09fc81924e0559ab1583
- SHA512 25f0a2134acad045154ca926b022844078ba77cd4d50298fc46972f71ff1c5310a18e9175c535dc274e35ec9e8935541dd7f8dc7ccfcd76bdd1b0ed5201edb4b
- SSDEEP 24576:GjvAfSkXXHsfCbBLetE7e5W2d1JyB/0MzxQ2UKL7isSAuo8698aHINg:GjIfSkXXPLetEBZuop98aH1
- TLSH T15CE53C2E176641D3E0589338B0EBB35DF211FC0ED4E538887BA5B3297B55F42B616A32
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 3.2MB
- SHA256 34f8ca2fd998514496ef12db45df3a2d3f187067e4c98bb26cc71b47312bbd30
- MD5 174d57affb7e0aafc833a4fb6ebd9af0
- SHA1 f148ee7ba52c7347251a28a0825d5d242951c99c
- SHA512 954973922a26b247ca3b6c24fd5dad45bac943a3cf72d23e916eb713a97f60a2c6242b8f398b82e8a734a67b34ff658ed12e4f35864facc5f74e9a49cc6219fa
- SSDEEP 24576:GjvAfSkXXHsfCbBLetE7e5W2d1JyB/0MzxQ2UKL7isSAuo8698aHINMMfSgWv:GjIfSkXXPLetEBZuop98aHNMq
- TLSH T1BEF54C2E176540D3E0589338B0EBB35DF211BC0EECE568887BA5B3257B55F42B617A32
- MD5 SHA1 SHA512 SSDEEP TLSH