Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/08/2026, 00:40
Behavioral task
behavioral1
Sample
2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe
- Size 51KB
- Sample260802-a1f6hszzex
- SHA256 bd596e62fd010d3a147fc2b2ab305626bb9ec4bdf00c5b37aeb791944ac404c2
- MD5 5b69400ac83d30adbe6258b2925bd7a9
- SHA1 b7effb589602af83eeff735af35829f3cb4043cc
- SHA512 77732b3e3316b24273a68b44ae2275226748a1b26541941f8beabe49dc459947b9f9c2b28758beee04ba6487f6644e6a28ffbf3e983556eed72a736d4e33c607
- SSDEEP 768:W7Blp2sspARFbh5YSfff9n1oXKCqzEIn1oXKCqzEakS5evu6kS5evu5:W7Z2sspAp5YSfffUbkbg
- TLSH T1DC33E83D6E0B75F2EB645174220F3AEE9C139DA0AD75ACB24348EC5A0230FB4D49665E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Cosmu payload 2 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral1/files/0x001200000002416d-1.dat family_cosmu behavioral1/files/0x000600000002195d-5.dat family_cosmu - Renames multiple (4954) 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\Microsoft Office\root\Office16\FPA_FA000000009\FA000000009.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\zh-TW\msipc.dll.mui.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jsdt.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ViewOnly_ZeroGrace-ul-oob.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ul-oob.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\de\WindowsFormsIntegration.resources.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ORGCINTL.DLL.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ExcelTellMeOnnxModel.bin.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\et.txt.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\TabIpsps.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Numerics.Vectors.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.Native.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ppd.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\include\jdwpTransport.h.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-file-l1-2-0.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\ext\access-bridge-64.jar.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-pl.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\MLASeventhEditionOfficeOnline.xsl.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CSS7DATA0009.DLL.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Http.Json.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ppd.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicstylish.dotx.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\AUDIOSEARCHSAPIFE.DLL.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\INFOMAIL.CFG.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InkObj.dll.mui.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\System.Windows.Forms.Design.resources.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-pl.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Xml.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Security.Cryptography.Xml.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\da.pak.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ul-oob.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ul-phn.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MsoAriaCApiWrapper.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.resources.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\UIAutomationProvider.resources.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\javafx.properties.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OIMG.DLL.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\SharedPerformance.man.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\cs.pak.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\es.pak.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\cmm\GRAY.pf.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\msvcp140.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-ul-oob.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\pa-in.txt.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Primitives.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OneNote\prnSendToOneNote_win7.inf.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\MEIPreload\preloaded_data.pb.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ppd.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CONVERT\1033\OLMAILR.FAE.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CONVERT\TRANSMGR.DLL.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-string-l1-1-0.dll.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ppd.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\ANALYS32.XLL.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OutlookLogoSmall.scale-100.png.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\tk.txt.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwresplm.dat.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ul.xrm-ms.tmp 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_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 2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-01_5b69400ac83d30adbe6258b2925bd7a9_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4224
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-889581200-2041691093-2048517887-1000\desktop.ini.tmp
- Size 51KB
- SHA256 689da3af51f313d45e16c942ed21204dc28e231da8bc89a3c17e69ceba0410d2
- MD5 4583e648b32227a2d51c14311f424a6d
- SHA1 06090961c234e2690b428417b0cf473f26f07e7c
- SHA512 607d0339dc6a02aa01dac79f0d0a392162a5c1cd397ccfbb8d8061dbe7e4cff2c09f78457d26dc329dc53969dfe1e0911732f74e733684b5e1e49dde4a3b4eea
- SSDEEP 768:W7Blp2sspARFbh5YSfff9n1oXKCqzEIn1oXKCqzEakS5evu6kS5evuH:W7Z2sspAp5YSfffUbkb2
- TLSH T1E733E83D6E0B74F2EB645174220F3AEE9C135C60AD75ACB24358FC9A0230FB4D49665E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 150KB
- SHA256 885b6cf4cc9f3f80f954479929e9f1b40d50b772e65a44f2e6de8cca48530418
- MD5 f90d4c517f0550ad87f97a95fd01310c
- SHA1 f0f6e3c8b173d8bd56b320811fc2fb76a4a5f5d6
- SHA512 81a20c444661d92ea6796c5e9b045a4483b11c52b8b6213e2201c5e6231ca7010c1bc49edb5c798bbb1843e04ac0a85a009e21f9db9ab0ff2d7266dc07eb5866
- SSDEEP 3072:62ssWp8AT5ZMfTiu66I3UwqSsMBlsWb4A+T:MVXMfTinqncsWp+T
- TLSH T191E3F6207C6EF6A0CF4413786A5B7E87DE013D8A3C59CDB262A565E3413CEB40C9B5E6
- MD5 SHA1 SHA512 SSDEEP TLSH