Analysis
- max time kernel
150s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
10/05/2026, 04:30
Behavioral task
behavioral1
Sample
2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe
Resource
win11-20260130-en
windows11-21h2-x64
6 signatures
150 seconds
General
- Target 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe
- Size 781KB
- Sample260510-e42zlsgz81
- SHA256 3293a0c7c0e7f2a0bffba4bf2de9ff88606203503b6f0b091964e06b2de7ee76
- MD5 137b87e48d86033db6a689919a725bae
- SHA1 4b564b1ab375349c2e63865052ccf6b1bb82c72e
- SHA512 9abbf693b36194e7a279be4e0b35cedbeebd16015c7f24a2bc7b6f1b4e1763bb7e4a6c31ecd5a266f9e6e787b552de92dcd94dcb21b8cebbcf97df47a456fa20
- SSDEEP 12288:GPyOVLMi8wQjKzdv0reieOw6qapljqpvBOce:GqOVLMRwGKarPeO9rodBI
- TLSH T1D60526B1481F3CC5E2E182F484A132FA4D11A7733D7AFEC9D1C6652C633AA984A19777
- 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/4800-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x00130000000256dc-2.dat family_cosmu behavioral2/files/0x0004000000028c1e-6.dat family_cosmu behavioral2/memory/4800-421-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/4800-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x00130000000256dc-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x0004000000028c1e-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/4800-421-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (2945) 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\System\msadc\fr-FR\msadcer.dll.mui.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msadcor.dll.mui.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationCore.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\jawt.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\ext\jaccess.jar.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.id-id.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\ucrtbase.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msador15.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\System.Windows.Forms.Primitives.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hans\UIAutomationClient.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\ko.pak.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.office32ww.msi.16.x-none.xml.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\rtscom.dll.mui.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.DriveInfo.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\cs\UIAutomationTypes.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome.exe.sig.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-interlocked-l1-1-0.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Grace-ul-oob.xrm-ms.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ul-oob.xrm-ms.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-string-l1-1-0.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\glass.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_pt_BR.properties.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsBase.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\UIAutomationTypes.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\vi.pak.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hr-HR\tipresx.dll.mui.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msado20.tlb.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Controls.Ribbon.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\PresentationFramework-SystemXml.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l1-1-0.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-stil.xrm-ms.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\es.txt.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\uk.txt.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\msadce.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationFramework.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsFormsIntegration.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\cs-CZ\tipresx.dll.mui.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Globalization.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.VisualBasic.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationClient.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jjs.exe.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Serialization.Xml.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationTypes.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveDrop32x32.gif.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.ComponentModel.Annotations.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\System.Windows.Forms.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\System.Windows.Forms.Design.resources.dll.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\jvm.hprof.txt.tmp 2026-05-10_137b87e48d86033db6a689919a725bae_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 2026-05-10_137b87e48d86033db6a689919a725bae_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-3847269522-1618051987-1942096715-1000\desktop.ini.tmp
- Size 782KB
- SHA256 4f14868a0f6392066327a802d3d883e225ff1f3dc8cab9f2c83b7619ecb9420f
- MD5 4dc221a622dd5d6c0bc3bdc2b3d0d87f
- SHA1 b6947c9f1db75c3d2ec51f0f7fdc97a7f56b5175
- SHA512 bd34f6ac23f14ecea821fe2735cd06df3c34bd3a6cf0a38af87b6b8eefce2edc6d4beb0869bea2b609fe9645206322530c4c8dd106b795a832d115f9f9b1e451
- SSDEEP 12288:GPyOVLMi8wQjKzdv0reieOw6qapljqpvBOcJ:GqOVLMRwGKarPeO9rodBT
- TLSH T1120526B1481F3CC5E2E182F484A132FA4D11A7733D7AFEC9D1C6652C633AA984A19777
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 880KB
- SHA256 63666d731ab2e28833da54ad3d554aadb7516d16a2bf6ccf47196ffdb982a940
- MD5 5d9f11a91c64280bcaa403f11dca2749
- SHA1 c40bd8f17a00c03a341e3e2dd8775490de83e2ed
- SHA512 cfc325cc4403ff37c416f1f77b7e0e4fd1fbca80a105e87c290a56abcc98e472e3d0f2f4a00ec0d69fb293d88b0f682f1073662cfc8beaa84077009948886c85
- SSDEEP 12288:GPyOVLMi8wQjKzdv0reieOw6qapljqpvBOc/MfunbsW8q:GqOVLMRwGKarPeO9rodB5MfSgWV
- TLSH T1F7156AB0581F7CC5E6E082F4949336FA490067733D7AFEC9E1C2656D6339A980A1A773
- MD5 SHA1 SHA512 SSDEEP TLSH