Analysis
- max time kernel
150s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/08/2026, 10:57
Behavioral task
behavioral1
Sample
2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
6 signatures
150 seconds
General
- Target 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe
- Size 25KB
- Sample260826-m2fmlacl7t
- SHA256 abb75c45e1ad7582972b4b052cdb5cef29d9bc055d20c2a4f6edd7136bab7ef9
- MD5 c18ff121819819330e472cff6834fcba
- SHA1 892a2da389178f990ee9b8d475457efa3d5c840a
- SHA512 612bd8738e20c966665fa1d1ae7c75e66cbc67097621438bf196327845568bc1e7c16393345eef7b59523f762797d669f59e2f0011227e9f995f6e2a7889809b
- SSDEEP 384:NBt7Br5xjL9AgA71Fbhv/r+k7ha3MzpsVvUaWq9C7:d7BlpppARFbh6qVpim2
- TLSH T1A2B25C5E8B49C072C38550305C2F687D9CB7443C7E26DB6BAB56CD18AAB63D0FC3815A
- 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/3632-0-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu behavioral2/files/0x000800000001b1d0-2.dat family_cosmu behavioral2/files/0x000300000001b1d6-6.dat family_cosmu behavioral2/memory/3632-629-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/3632-0-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000800000001b1d0-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000300000001b1d6-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/3632-629-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (4834) 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\8.0.15\pl\PresentationUI.resources.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\PrivacySandboxAttestationsPreloaded\manifest.json.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSO.FRAMEPROTOCOLWIN32.DLL.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-handle-l1-1-0.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\tipresx.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\UIAutomationClientSideProviders.resources.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Grunge Texture.eftx.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHPHN.DAT.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Forms.Design.resources.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\lv.pak.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\casual.dotx.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-80.png.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig-office.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-timezone-l1-1-0.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\Microsoft.Win32.SystemEvents.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\hprof.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ppd.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-oob.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-pl.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\pa-IN\tipresx.dll.mui.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationProvider.resources.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ppd.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_KMS_Client-ppd.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\SUCTION.WAV.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\pt\msipc.dll.mui.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\tr\msipc.dll.mui.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.Http.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.resources.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-pl.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\dotnet.exe.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\WindowsFormsIntegration.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\messages_sv.properties.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ppd.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_Grace-ul-oob.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ul-phn.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\it-IT\oledb32r.dll.mui.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaSansDemiBold.ttf.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\xmlresolver.md.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.et-ee.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.Unsafe.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.Design.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ul-oob.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\XLLEX.DLL.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-private-l1-1-0.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l2-1-0.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\D3DCompiler_47_cor3.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\UIAutomationProvider.resources.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jsoundds.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\bg-BG\tipresx.dll.mui.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationCore.resources.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-pl.xrm-ms.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\Interceptor.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Xaml.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\offsym.ttf.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\CNFRES.CFG.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.th-th.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsFormsIntegration.resources.dll.tmp 2026-08-25_c18ff121819819330e472cff6834fcba_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 2026-08-25_c18ff121819819330e472cff6834fcba_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-1738198120-2966725515-3980530802-1000\desktop.ini.tmp
- Size 25KB
- SHA256 794235dc7109e3e88dc4ae3e2a0405f27984b26d45dd79f0fcf59a19a6654739
- MD5 501b32ae8d4b1bb681bcb0ee8329ef6c
- SHA1 40e9e5594fcb64e195609785718d39891c09c985
- SHA512 6e3b49ad1fc2eb90526601bc285c6d4faef251e09a3b91540396bf844b8405d58542293b01b39b9138169bf525046e04f812f7a8a2ffa929cc83dbbc8219a295
- SSDEEP 384:NBt7Br5xjL9AgA71Fbhv/r+k7ha3MzpsVvUaWq9C7A:d7BlpppARFbh6qVpim23
- TLSH T1B7C25C5E8B49C032C38550306D2F687DDDB7403CAE26DB67EB568D18AAB63C0FC3415A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 124KB
- SHA256 33bf6360bccb92bbd7ba86b6b9eec36fd34b1c7d5b2d3ba8fca8778107266abf
- MD5 6fc9eef5e9071ac213a9414b901944e8
- SHA1 6760db0ca865656f16cb8d7a774ef764241202d6
- SHA512 f993d7736b60a6ee1177162daddd5fa1b452d265ddb9d9d3fdf3e673cb510da73399075e253a2f28a9e34ac4dc4200d635f9e61064c496f371010b1ce180466f
- SSDEEP 3072:npWp6qVC5ZMfTiu66I3UwqSsMBlsWb4A+2:gLkMfTinqncsWp+2
- TLSH T1CAC3F6617CAEF6A0CF441339AD6B9E83C305398F3C5ACE4276A515E3913CE910C9B4E6
- MD5 SHA1 SHA512 SSDEEP TLSH