Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
11/05/2026, 12:10
Behavioral task
behavioral1
Sample
2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe
Resource
win11-20260130-en
windows11-21h2-x64
6 signatures
150 seconds
General
- Target 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe
- Size 488KB
- Sample260511-pcd4ksct8p
- SHA256 f4de108bb3fcaf4014643f0fca248f5aa61fc543b5a3265c19d0c8e43676aabc
- MD5 1a8b3ddb0919850b1c9bec38f5ba5d85
- SHA1 e06b62b07e61112c3b7b8a33f911f08834312662
- SHA512 2db79c5d7b8d36020b7a0f6ed0f5448ebf4a59bfcf0f10254ab7002fd502e3e6225ae64abea0114d3d2426777ae6679d942c6bd9a866c13afef9f969567d5347
- SSDEEP 3072:npWp6qbFBWN6wcUeGNqGdBBUhSfiK7HozIzPHvG4s6yW2UI54KC0bAuBWN6wcUe4:g1HvUfBvKhoTSxvUfR
- TLSH T137B4FA6C117BE2C7C8509BE0B9D2DCA94A14BD27D8642D691BACE365E3D123F640D2F3
- 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/1140-0-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu behavioral1/files/0x00080000000242c1-2.dat family_cosmu behavioral1/files/0x00060000000217f3-6.dat family_cosmu behavioral1/memory/1140-465-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral1/memory/1140-0-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x00080000000242c1-2.dat INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x00060000000217f3-6.dat INDICATOR_EXE_Packed_eXPressor behavioral1/memory/1140-465-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (3641) 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.Collections.Immutable.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsFormsIntegration.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jpeg.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-oob.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Watcher.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Xaml.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-errorhandling-l1-1-0.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ul-oob.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ul-oob.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ul-oob.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\mr.pak.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-ul-oob.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcr120.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ppd.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\nb.pak.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\fre\StartMenu_Win7_RTL.wmv.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ul-oob.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationProvider.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\bg.pak.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-multibyte-l1-1-0.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsjpn.xml.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-private-l1-1-0.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clretwrc.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Design.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationProvider.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\libGLESv2.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_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 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsFormsIntegration.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\adojavas.inc.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.Primitives.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow.xml.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-oob.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-ul-oob.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Xaml.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.th-th.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemXmlLinq.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\msquic.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processthreads-l1-1-0.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\santuario.md.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\content-types.properties.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Algorithms.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsFormsIntegration.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsFormsIntegration.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\UIAutomationProvider.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ppd.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\zh-tw.txt.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\te.pak.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ppd.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\IpsPlugin.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Serialization.Json.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Design.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\management\jmxremote.password.template.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\messages_fr.properties.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ul-oob.xrm-ms.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\en-US\sqlxmlx.rll.mui.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\WindowsFormsIntegration.resources.dll.tmp 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_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 2026-05-11_1a8b3ddb0919850b1c9bec38f5ba5d85_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2714754311-527593155-1440850301-1000\desktop.ini.tmp
- Size 488KB
- SHA256 747e4cd5b674c87cbc2d278cf41cda1a452221297c85213e0d841ed77ce7225f
- MD5 4fc4972ebbcb84c1417caa21348e5513
- SHA1 b7a0475b61d64c47c284492c0e63434989be4f66
- SHA512 f28ca2791eee9381fb7b1f9df546847789d6e9388f19b72eb30b7bda318689d8995562160600caf38110dbc6bc4c562d6fea654b4e14c7acb765eb72ba4f2450
- SSDEEP 3072:npWp6qbFBWN6wcUeGNqGdBBUhSfiK7HozIzPHvG4s6yW2UI54KC0bAuBWN6wcUem:g1HvUfBvKhoTSxvUfX
- TLSH T1E0B4FA6C117BE2C7C8509BE0B9D2DCA94A14BD27D8642D691BACE365E3D123F640D2F3
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 587KB
- SHA256 97dfd71df7799ff7cad00a4f43d0a7669314e811eb1ee5eddd316b90452c6bce
- MD5 3ddaf63603b8118b6fdd063098efce5a
- SHA1 86b8500ba4527b1eb6c714808d5ce63228dc70c1
- SHA512 404117bb15d6d13cf53af65d99b813bbb8ae9fa62e95401069927145ed3621ae4a9e791d612d0a1dae6b73571457b0ef61168cd2673d765272cbcb9da327d5af
- SSDEEP 3072:npWp6qbFBWN6wcUeGNqGdBBUhSfiK7HozIzPHvG4s6yW2UI54KC0bAuBWN6wcUeB:g1HvUfBvKhoTSxvUfNMfTinqncsWp+f
- TLSH T1FFD44C68217BE2C7CD409BF0B9D3DCAA4A14BD279C646D1527ACD366E3D122E640D2F3
- MD5 SHA1 SHA512 SSDEEP TLSH