Analysis
- max time kernel
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/06/2026, 08:27
Behavioral task
behavioral1
Sample
2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe
Resource
win11-20260513-en
6 signatures
150 seconds
General
- Target 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe
- Size 25KB
- Sample260601-kcmcqsft61
- SHA256 206eca479a491637cab1623b5906b322c3b0ea414ab1a2d52188986177115c01
- MD5 284aa3d87dc206c6d463b0a89ec011d1
- SHA1 1ea12285787be472c8a98ca26535127686e364a7
- SHA512 8e31c4c3f304e241aeae308d4d6802c8ae2431a10b603bd0aacdae3c52606f549dac5b14455e16e56771bde1faa3dec125a0658882b7e66982de8b9cfc25ec7e
- SSDEEP 384:hBt7Br5xjL9AgA71Fbhv/r+k7ha3PzpsVvUaWq9C7:R7BlpppARFbh6qcpim2
- TLSH T147C24B5E8B49C072C38550305D2F687D9CB7443C6E26DBABAB56CC18AAB63D1FC3815A
- 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/5020-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x000b00000002aead-2.dat family_cosmu behavioral2/files/0x000300000002a2c8-6.dat family_cosmu behavioral2/memory/5020-769-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/5020-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000b00000002aead-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000300000002a2c8-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/5020-769-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (5330) 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\Google\Chrome\Application\140.0.7339.81\Locales\en-US.pak.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\JavaAccessBridge-64.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\PresentationNative_cor3.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.AeroLite.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Windows.Forms.Design.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-ppd.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-pl.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-phn.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\SMIMES.CFG.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OUTLRPC.DLL.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\PresentationCore.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ul-oob.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OutlookAutoDiscover\YAHOO.CO.JP.XML.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\SharedPerformance.man.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationUI.resources.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\fontconfig.bfc.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\lib\deployment.config.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green.xml.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ppd.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-ul-oob.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\7-Zip\Uninstall.exe.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.Serialization.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Input.Manipulations.resources.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Xaml.resources.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ReachFramework.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OutlookAutoDiscover\PRODIGY.NET.XML.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL001.XML.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClientSideProviders.resources.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.SystemEvents.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ul-oob.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\Library\SOLVER\SOLVER32.DLL.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNote.ini.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Immutable.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.Writer.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Primitives.resources.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\it\PresentationFramework.resources.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Internet Explorer\fr-FR\iexplore.exe.mui.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_MoveDrop32x32.gif.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\psfontj2d.properties.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-ul-oob.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebProxy.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\awt.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\tzmappings.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-pl.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\AugLoop\third-party-notices.txt.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.DiagnosticSource.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationTypes.resources.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\excelcnvpxy.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.Calendars.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ppd.xrm-ms.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Informix.xsl.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\TASKL.ICO.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\WIND.WAV.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipscht.xml.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.dll.tmp 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_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 2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-01_284aa3d87dc206c6d463b0a89ec011d1_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5020
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2654269261-3199571979-4291878722-1000\desktop.ini.tmp
- Size 25KB
- SHA256 01ceb1de839f6466ad94c41aea86721a753cac3caa5c3a4b905462faaeb306b3
- MD5 c1698e1aa07138c32f3ed8e9dbaada26
- SHA1 94ad160512bab64851fd08b708961994f1cceed0
- SHA512 006760e0434dbfd6fc0ddcfe90937280559b69a5b2e6c8bcfbdeec8dca29b661621c5618492dead1a9f4f8bb442f73ee7cc10c4eb69afe49162c8c516dcae070
- SSDEEP 384:hBt7Br5xjL9AgA71Fbhv/r+k7ha3PzpsVvUaWq9C7z:R7BlpppARFbh6qcpim2g
- TLSH T1A1C24C5E8B49C072C38550306D2F687D9CB7443C6E26DBA7EB568C18AAB63D1FC3811A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 124KB
- SHA256 acb097d9c72bb97af12eae7e02fa16afbfc6f5125fb2804f142ad1a82afc7d35
- MD5 6e0bb9992248d380bd7838c0f52655f3
- SHA1 e941fed05d1018b3c7a06f77b6ad35c1d38c8ac0
- SHA512 75a49ef3c43c63bd5ee53fbd570d0eef5364c2d326418992cecd3815997e1a5c461fa0b72bd0201636ea2b7a91203b331b65f16a7b5aad85cc9c2d96f9028286
- SSDEEP 3072:7pWp6qcf5ZMfTiu66I3UwqSsMBlsWb4A+W:0+nMfTinqncsWp+W
- TLSH T18CC3E6617CAEF6A0CF441339AD6B9E83C305398F3C5ACE4276A515E3913CE950C9B4E6
- MD5 SHA1 SHA512 SSDEEP TLSH