Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/08/2026, 18:15
Behavioral task
behavioral1
Sample
2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
6 signatures
150 seconds
General
- Target 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe
- Size 25KB
- Sample260816-wv3yzsfb45
- SHA256 8518e66efcb3d975b87cef22e9e905a97f676b4802185ea46ace8e5bc13dcc23
- MD5 3f0ffa1c5fc7871b5b6d296be914d0c8
- SHA1 4734902cc9dbc6f5a68e4a4eb84e364dab26655f
- SHA512 f3214d3b340acb378b2fd453f8f15502f41c686c52b055c19551aafd008d2171afa7bff917f2bd3084131c72795eb0735e81dbb0e6cf1a499873a633fd3aeb0b
- SSDEEP 384:hBt7Br5xjLhVAgA71Fbhv/r+k7ha3JzpsVvUaWq9C7:R7Blp3pARFbh6qGpim2
- TLSH T1DFB25C5E8B49C072C38550305C2F687D9DB7543C7E26DBABAB56CC18AAB63D0FC3411A
- 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/2880-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral1/files/0x000600000001e6b8-2.dat family_cosmu behavioral1/files/0x00070000000218cf-6.dat family_cosmu behavioral1/memory/2880-580-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral1/memory/2880-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x000600000001e6b8-2.dat INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x00070000000218cf-6.dat INDICATOR_EXE_Packed_eXPressor behavioral1/memory/2880-580-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (4922) 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\Client\api-ms-win-crt-stdio-l1-1-0.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemuiset.msi.16.en-us.xml.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Grace-ul-oob.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OFFSYMSL.TTF.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-process-l1-1-0.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\public_suffix_list.dat.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ppd.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\lt.txt.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.Client.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationFramework.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\amd64\jvm.cfg.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ppd.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OFFSYMK.TTF.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\hy.txt.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ppd.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\MSOSEC.XML.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-100.png.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lt-lt.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\cpprestsdk.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\ReachFramework.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Design.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\fontconfig.properties.src.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-pl.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql90.xsl.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\kk.txt.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.Common.FrontEnd.XmlSerializers.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\ServiceWatcherSchedule.xml.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\rtscom.dll.mui.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue.xml.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\APPT.CFG.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Loader.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ppd.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Aero.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\tr\System.Windows.Forms.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-multibyte-l1-1-0.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Banded Edge.eftx.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-phn.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-180.png.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\hi\msipc.dll.mui.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Reflection.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\UIAutomationProvider.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\jcup.md.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_Grace-ul-oob.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-private-l1-1-0.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Cng.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationFramework.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\Microsoft.WindowsDesktop.App.deps.json.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-pl.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\sv.txt.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVScripting.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\System\en-US\wab32res.dll.mui.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.X509Certificates.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClient.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hans\System.Windows.Forms.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_200_percent.pak.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-errorhandling-l1-1-0.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\mshwjpnr.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_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 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2370214745-1838013427-2987045292-1000\desktop.ini.tmp
- Size 25KB
- SHA256 87ee693b529c1045e3cf8e92dcadd92f670d07573a5caa40ea63b4e9ca8b9bc3
- MD5 46e168e6d90bf6152cbc8108b25a5b87
- SHA1 043650ed0532fd7ff1e449dcd0c3a7e16b7e2cab
- SHA512 3ffc7ec3f07216ff07453e6e2fd4462d9c89340f4f882fc6ecbb46d7ae1ab18267737248cf851dcab0c189d0b159d5ad2efa52fcb2880f7708777836c1cff106
- SSDEEP 384:hBt7Br5xjLhVAgA71Fbhv/r+k7ha3JzpsVvUaWq9C7Z:R7Blp3pARFbh6qGpim2e
- TLSH T1E6C24B5E8B45D072C3855030AD2F687D9DB7443CBE26DBABAB568C18AAB63D0FC34119
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 124KB
- SHA256 19af536b13c2d53be2f38555cbd57ada47bbedaafc8a331da0b2c0446a645c59
- MD5 9101948a85b407e7ea94be5ef96ac0fd
- SHA1 6d3d06061803fb10e6545c1e89c21ea56d2f5495
- SHA512 f7436dd324921f58e751885c34eb17a20533466170f820a15c7e6b0f2f417b9da2ad0b454abcc583ab81b8afa30076d42867702d22aadb5cf8a61f8b984f8829
- SSDEEP 3072:73Wp6qGw5ZMfTiu66I3UwqSsMBlsWb4A+2:6MaMfTinqncsWp+2
- TLSH T1A9C3F6617CAEF6A0CF441339AD6B9E83C305398F3C5ACE4276A515E3913CD950CAB4E6
- MD5 SHA1 SHA512 SSDEEP TLSH