Analysis
- max time kernel
149s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 04:20
Behavioral task
behavioral1
Sample
2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe
- Size 25KB
- Sample260802-ex92msvblg
- SHA256 53d77f2458141037f8eb9fb873aaa927081d7bb7277331c07edc3491c6c315e3
- MD5 26d7d636f4484192e5df2002c4c0ac9e
- SHA1 6b1ff52c92beecbfd0c4c2f65832bfe1703b78dc
- SHA512 006c80f86c7e14983d89b27448b77ac4f78541c88ab7ab33e297a410a1a5e17d76f625b10ec68e76d28bcf638fe3248e855db217fd303fe2bfcdb4911c1a710d
- SSDEEP 384:hBt7Br5xjLUeAgA71Fbhv/r+k7ha3PzpsVvUaWq9C7:R7Blp3pARFbh6qcpim2
- TLSH T146B24B5E8B45D072C38550345C2F687D8CB7443CAE26DBBBAB56CC18AAB63D1FC3815A
- 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/3388-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x000900000001b312-2.dat family_cosmu behavioral2/files/0x000600000001b1c8-7.dat family_cosmu behavioral2/memory/3388-574-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/3388-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000900000001b312-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000600000001b1c8-7.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/3388-574-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (4552) 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.Runtime.InteropServices.RuntimeInformation.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.CodeDom.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri.xml.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-pl.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\OUTLOOK_COL.HXT.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\APPT.CFG.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Json.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\public_suffix.md.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Internet Explorer\images\bing.ico.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\ktab.exe.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-ppd.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsFormsIntegration.resources.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\de\PresentationUI.resources.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\COPYRIGHT.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Riblet.eftx.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-pl.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-ppd.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Tools.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\klist.exe.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\jopt-simple.md.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ul-phn.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\host\fxr\8.0.15\hostfxr.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\libEGL.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ul-phn.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PowerPointNaiveBayesCommandRanker.txt.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\otkloadr_x64.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\7-Zip\7-zip32.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\qps-plocm\tipresx.dll.mui.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ucrtbase.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-pl.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-pl.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXC.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Queryable.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmmui.msi.16.en-us.xml.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-pl.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipRes.dll.mui.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.NetworkInformation.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebProxy.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Resources.Extensions.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\wpfgfx_cor3.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ko\System.Xaml.resources.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-console-l1-1-0.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OneNote.OneNote.x-none.msi.16.x-none.xml.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ca-ES\tipresx.dll.mui.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.ResourceManager.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\ReachFramework.resources.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\VisualElements\LogoDev.png.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-file-l1-2-0.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-ul-phn.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\IPMS.ICO.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ka.txt.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\tg.txt.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Loader.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ul-oob.xrm-ms.tmp 2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_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_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-01_26d7d636f4484192e5df2002c4c0ac9e_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3388
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-1875162379-3804078649-638427191-1000\desktop.ini.tmp
- Size 25KB
- SHA256 03350240cd9c78287bfc31225d5174e9265268ee92b45fa6ec648d353500697a
- MD5 a8f184ab938d12e9a23add43629fc632
- SHA1 4409a267417a2ffd023b1dc5b433e2f47d6725a2
- SHA512 c7e87430fc9403d95127bb2e458df09bbe978afa2c4d6ec3daa03bb9b8f5d54c52a97ee9edf46e793abc612b47dd9f80dd9d888655871c868591c9c1cb8f3403
- SSDEEP 384:hBt7Br5xjLUeAgA71Fbhv/r+k7ha3PzpsVvUaWq9C7T:R7Blp3pARFbh6qcpim2E
- TLSH T11BC25B1E9B45D072C3855030AC2F687D8DB7443CAE26DBB7EB568C18AAB63C1FC3415A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.exe
- Size 124KB
- SHA256 9affbd2ad6be8e6ac7e389f7ced11714381b456d1d3d79f02c76097865cc5af3
- MD5 71de490fa12626c771b16a3fa8ae88b4
- SHA1 d905dea37c3160431c13a68902887957c5d7fa10
- SHA512 113c0df214c32e9454a5d9c58b573cd6aa7e7159fbbf80430675cc3e9a45f0e2fa0828466ad799f3a666703f9859627728e7aa7f22224c9e5fa4ceb4becc9631
- SSDEEP 3072:73Wp6qc85ZMfTiu66I3UwqSsMBlsWb4A+2:a+uMfTinqncsWp+2
- TLSH T141C3F6617CAEF6A0CF441339AD6B9E83C305398F3C5ACE4276A515E3913CD950CAB4E6
- MD5 SHA1 SHA512 SSDEEP TLSH