Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/09/2026, 03:40
Behavioral task
behavioral1
Sample
2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe
- Size 25KB
- Sample260910-d8akgswdrc
- SHA256 25b863e809d6060221c10be206da10ab2760ee4e221ab0e408e6c4de8ca31139
- MD5 a4e0055812da2235fe7ca71e35d841b0
- SHA1 620b29a68b16d32f3b31da1fb6a0d1f87ed6923d
- SHA512 032ecc728dbfb13be16be08c6bac8285e40a970a11606cd6680b3874b3a83b93c3f2dbf3bdf5aaaf69bf9aa04a0c7844f2e89e4ef9f6c765fa7e74b53b1ebd9b
- SSDEEP 384:NBt7Br5xjL9AgA71Fbhv/r+k7ha3WzpsVvUaWq9C7:d7BlpppARFbh6qLpim2
- TLSH T174B24B5E8B49C072C38550305D2F687D9CB7443CAE26DB6BAB568C18AAB63D0FC3915A
- 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/4320-0-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu behavioral1/files/0x00240000000242e9-2.dat family_cosmu behavioral1/files/0x0006000000021758-6.dat family_cosmu behavioral1/memory/4320-536-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu - Custom signatureDetects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral1/memory/4320-0-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x00240000000242e9-2.dat INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x0006000000021758-6.dat INDICATOR_EXE_Packed_eXPressor behavioral1/memory/4320-536-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (5122) 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\da.pak.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Trial-ppd.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CONVERT\1033\DELIMR.FAE.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CONVERT\RM.DLL.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OMRAUT.DLL.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\da-DK\tipresx.dll.mui.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\InkObj.dll.mui.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationFramework.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\UIAutomationClientSideProviders.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ul-oob.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ppd.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ppd.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\Invite or Link.one.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ppd.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.ScriptDom.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\dxil.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\messages_it.properties.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ONRES.DLL.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrenclm.dat.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\US_export_policy.jar.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ppd.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-filesystem-l1-1-0.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Debug.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690Nmerical.XSL.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fi-fi.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Windows.Input.Manipulations.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ul-phn.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\PowerPivotExcelClientAddIn.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\bg\msipc.dll.mui.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_Grace-ppd.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-oob.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationTypes.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.AdHoc.Excel.Client.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PG_INDEX.XML.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClient.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_WHATSNEW.XML.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\XLSLICER.DLL.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\coreclr.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Loader.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\mesa3d.md.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPivot.PowerPivot.x-none.msi.16.x-none.xml.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PPINTL.DLL.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\ReachFramework.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pt-BR\PresentationFramework.resources.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\pack200.exe.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0000-1000-0000000FF1CE.xml.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Banded Edge.eftx.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-pl.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-pl.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ul-oob.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\include\jvmti.h.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\TrebuchetMs.xml.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-ul-oob.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ppd.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-pl.xrm-ms.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentfallback.xml.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.CSharp.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.Contracts.dll.tmp 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_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 2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-08_a4e0055812da2235fe7ca71e35d841b0_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4320
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-1074038928-2032447174-945360078-1000\desktop.ini.tmp
- Size 25KB
- SHA256 3bb0f7ec7596533851e9bcce565be7b2c649474df380606244f6907e906577eb
- MD5 c3c584227226ec34976cfbeb781be5cf
- SHA1 6d87ad53b736b70c0e73ed36eda4966eba0015a4
- SHA512 cbe9b06a7d9125b4e792ea8a93657d313fc8a85b7fde3c0f040672c44dbe7a42665072f3b70565847a04418b7d647857db7063078af53a0529b091fb9e534781
- SSDEEP 384:NBt7Br5xjL9AgA71Fbhv/r+k7ha3WzpsVvUaWq9C7p:d7BlpppARFbh6qLpim2W
- TLSH T126C25C5E8B49D032C38550306D2F687DDDB7403CAE26DB67EB568C18AAB63D0FC3915A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 124KB
- SHA256 041867210b382d1f33775bdb87a998adf8e02f09cc22c17e578a35ede39cfc78
- MD5 6bf2d16d56e7a8fd113254cfb63f0d79
- SHA1 d3ab5a823f0507a45aedf6a9c87112e8ea09c9a8
- SHA512 c753b65f0f0a8bffb2a444e2752161902563870d2dda46177fdc33a37972e0637de8a1b851c71a621ea0e5b662863b10ed6f5ae5f34e5867b78277a5f927507b
- SSDEEP 3072:npWp6qLM5ZMfTiu66I3UwqSsMBlsWb4A+2:g9eMfTinqncsWp+2
- TLSH T10CC3F6617CAEF6A0CF441339AD6B9E83C305398F3C5ACE4276A519E3913DD910C9B4E6
- MD5 SHA1 SHA512 SSDEEP TLSH