Analysis
- max time kernel
150s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/10/2026, 08:13
Behavioral task
behavioral1
Sample
2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
6 signatures
150 seconds
General
- Target 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe
- Size 2.6MB
- Sample261002-j4f5csde39
- SHA256 9efbe8c9c2c640df2cc4b20f80df7487970d550d14ec30f6fb9a620ee1e1f9d6
- MD5 9894c9350c97e337af72c9024d17f097
- SHA1 b6dda551c2defe60e7cf92a612444c5fc8d50a34
- SHA512 cc00e5a51995ba9e36d1be3654a70dcaa50556c292daa6f663f670bfcaab749f857a44f26de4209784a2e13585d3e645c6e3bf6116f2e10e884121745e9263aa
- SSDEEP 49152:GKFOI1ioB32Y/O6CGGsd05Lwin6/ZS1tRwTLQM8mS:BAI1iS32Y/O6CGvd05LwinqS1tRILQMG
- TLSH T18AC59E19F9C0D66CF24E64B612DE2C4C5DBDBB59FFC8C60E821B3B5C9160BAA3141AD4
- 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/4844-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral1/files/0x001900000001e58d-2.dat family_cosmu behavioral1/files/0x000800000001e53a-5.dat family_cosmu behavioral1/memory/4844-285-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral1/memory/4844-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x001900000001e58d-2.dat INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x000800000001e53a-5.dat INDICATOR_EXE_Packed_eXPressor behavioral1/memory/4844-285-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (970) 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\7.0.16\System.IO.FileSystem.Watcher.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Numerics.Vectors.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\uz.txt.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\mshwLatin.dll.mui.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-math-l1-1-0.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ObjectModel.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.Linq.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.Primitives.resources.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad.xml.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R64.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcr120.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.AppContext.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.ComponentModel.DataAnnotations.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.Tasks.Dataflow.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationUI.resources.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationUI.resources.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\ucrtbase.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\pt-PT\tipresx.dll.mui.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-synch-l1-1-0.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-string-l1-1-0.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Ping.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.NETCore.App.deps.json.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.WebProxy.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\it.txt.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\it-IT\msdasqlr.dll.mui.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Security.Cryptography.X509Certificates.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\lt.txt.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\yo.txt.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TipTsf.dll.mui.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_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 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Serialization.Primitives.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationTypes.resources.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\imjplm.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\it-IT\mshwLatin.dll.mui.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Timer.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.AppContext.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.MSHWLatin.txt.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOMessageProvider.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.ServicePoint.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Handles.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationClientSideProviders.resources.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\fr-FR\sqloledb.rll.mui.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.IsolatedStorage.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Collections.Immutable.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\ApiClient.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\ShapeCollector.exe.mui.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrfralm.dat.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\msdasql.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-util-l1-1-0.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-process-l1-1-0.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ps.txt.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\it-IT\sqlxmlx.rll.mui.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.Client.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Text.Encoding.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp120.dll.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InputPersonalization.exe.mui.tmp 2026-10-01_9894c9350c97e337af72c9024d17f097_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 2026-10-01_9894c9350c97e337af72c9024d17f097_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-240542094-4193773837-3211495583-1000\desktop.ini.tmp
- Size 2.6MB
- SHA256 283df34f506289de99d5775dc80098f5174d9bc10266d4bc43c5cb8e9222f714
- MD5 15e1aa3540faec4aacab8318a83bed3f
- SHA1 88b67f151baa29110b562d17f87550edc08be80e
- SHA512 b81826cb414a40d57703794fc58a230a932964131b48974544bc7d796fcefd53a1a92515f3878377d8ecbd40929f1cce029ce3106371d8f78feecddb3f07628d
- SSDEEP 49152:GKFOI1ioB32Y/O6CGGsd05Lwin6/ZS1tRwTLQM8mx:BAI1iS32Y/O6CGvd05LwinqS1tRILQMV
- TLSH T1D9C59E19F9C0D66CF24E64B612DE2C4C5DBDBB59FFC8C60E821B3B5C9160BAA3141AD4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.chm.tmp
- Size 2.7MB
- SHA256 b64c26c35b813c5c49d83116afac10b08397dd55e6a066b82d3a6d70df540234
- MD5 366142f3dbc3450f708a969bb039da79
- SHA1 162ddc90b9f8892b7e870a707442b078de683806
- SHA512 d6a577fcf98b6db0ae3f4133c319316c57dd46effd5f9a2b230505f1aa5aed0011e62842c4ee2ef3543c856147f37322d31a2c2de86b8a63365aa08370b4a2dd
- SSDEEP 49152:GKFOI1ioB32Y/O6CGGsd05Lwin6/ZS1tRwTLQM8mlwGd:BAI1iS32Y/O6CGvd05LwinqS1tRILQMV
- TLSH T1D1D5AF19F9C0D66CF24E65B612DE2C4C5DBDBB59FFC8C60E820B3B5C9160BAA3141AD4
- MD5 SHA1 SHA512 SSDEEP TLSH