Analysis
- max time kernel
150s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 10:08
Behavioral task
behavioral1
Sample
2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe
- Size 84KB
- Sample260809-l6bc1ayycx
- SHA256 21b8a1abbe99af331cb75506cd8c566bf6ab8953d14f60b06b5265dbd209efda
- MD5 6881c96025a3d86161d1243383261e2a
- SHA1 76d9b06619a0d6322a426029f4bce65a5ad1320d
- SHA512 2599b5bcdb1096bcc8d789dc6154bf62a96bb5fc97b22698b6415f7ae4794b1d04c25b7bfa7567632e9f7c4df1bdac3f2d263ed9ad78172d8a90f3b9584a209f
- SSDEEP 1536:R7ZppAp6qFpCx1xtx1xLW+15BQV7KsYcKCfE:7pWp6qFAx1xtx1xa+1GxjE
- TLSH T16283B1068B25BBB3E34443B2D247867D685A042679E8CDFBF5017CD5BAA8D30DC9492F
- 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/5576-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x000900000001b1b7-2.dat family_cosmu behavioral2/files/0x000400000001b1c0-6.dat family_cosmu behavioral2/memory/5576-553-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/5576-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000900000001b1b7-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000400000001b1c0-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/5576-553-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (4249) 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.WindowsDesktop.App\6.0.27\pl\ReachFramework.resources.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ul-phn.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\libffi.md.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\micaut.dll.mui.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationClient.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerView.PowerView.x-none.msi.16.x-none.xml.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.VisualStudio.Tools.Applications.Runtime.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Grace-ul-oob.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ul-oob.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClient.resources.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pt-BR\PresentationFramework.resources.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\System.Windows.Forms.resources.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\javaws.jar.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.VisualStudio.OLE.Interop.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\7-Zip\License.txt.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsBase.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationUI.resources.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\it\WindowsFormsIntegration.resources.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\UIAutomationTypes.resources.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-pl.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-ul-oob.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Buffers.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Input.Manipulations.resources.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Permissions.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Permissions.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hans\ReachFramework.resources.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\zh-TW.pak.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jdb.exe.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_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 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsBase.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\dcpr.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\meta-index.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\jaas_nt.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ppd.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-pl.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ul-oob.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-string-l1-1-0.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.Writer.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationProvider.resources.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-pl.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ul-phn.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ul-oob.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ONINTL.DLL.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\tt.txt.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\Microsoft.Win32.Registry.AccessControl.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-pl.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-phn.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processthreads-l1-1-0.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Xml.XmlSerializer.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_200_percent.pak.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-oob.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-ul-oob.xrm-ms.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Spatial.NetFX35.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\msvcp140.dll.tmp 2026-08-09_6881c96025a3d86161d1243383261e2a_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 2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_6881c96025a3d86161d1243383261e2a_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5576
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-4046655672-1449839301-2197395821-1000\desktop.ini.tmp
- Size 84KB
- SHA256 f3e9980ea9fc9fdb1818b74e89820464a7e437d809873418eba7ad448f7e4d93
- MD5 fd4d9a3bd42a6ebc8a19b0b5e0ca46cc
- SHA1 471ff68dbbd19fa2ad35bac3ac4676328995802e
- SHA512 0e5754b66bb10bdd454feabcc31d6730e2ba14ac0852559906a53baaf979dd051b9ea44bcfddf5bcb0303350024ea70d541384cb7a13ba0b0f7a1189e06fac12
- SSDEEP 1536:R7ZppAp6qFpCx1xtx1xLW+15BQV7KsYcKCfj:7pWp6qFAx1xtx1xa+1Gxjj
- TLSH T16883B2068B25BBB3D34403B2D247867D685A04267AE8CDFBF5017CD5BAA8D30DC9492F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 183KB
- SHA256 7bf0af64ef4ff823fee8a071e3635dd626500d15d3bb0fe9f301e9abfb57e027
- MD5 76ac208cc3693702c79845c2f59dc6ec
- SHA1 77cbf0b026308484185942c1449313f9bd7103e1
- SHA512 2afe3350fc6fa42d634131ef639c26b3fbe672c519e3094760bbe7108523cf341a0fc464c7018bb5cf6bee6a0db4b6a83c059786ddda56c3bb4086b061e819d8
- SSDEEP 3072:7pWp6qFAx1xtx1xa+1Gxja5ZMfTiu66I3UwqSsMBlsWb4A+w:0HM3P3aNxjsMfTinqncsWp+w
- TLSH T11A04A5016B69F772CB440376D9478A6AA206255B3CDCCDF7F56138E2A22CD708C974AF
- MD5 SHA1 SHA512 SSDEEP TLSH