Analysis
- max time kernel
150s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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 behavioral2/memory/1352-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x00160000000118ee-2.dat family_cosmu behavioral2/files/0x000300000001b1a0-6.dat family_cosmu behavioral2/memory/1352-585-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/1352-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x00160000000118ee-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000300000001b1a0-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/1352-585-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (4367) 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.Net.WebHeaderCollection.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ro-ro.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Serialization.Json.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationProvider.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ul-oob.xrm-ms.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\Publisher2019R_Grace-ppd.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ul.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.Unsafe.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Primitives.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.ReaderWriter.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.Common.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VC\msdia90.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Formats.Tar.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Primitives.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\it\System.Windows.Forms.Design.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\tr.pak.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmmui.msi.16.en-us.xml.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu.xml.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\[email protected] 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Grace-ppd.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-pl.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-pl.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-pl.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\EXPTOOWS.XLA.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\sr-spc.txt.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\da-DK\tipresx.dll.mui.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\ReachFramework.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Forms.Primitives.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\freebxml.md.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\dt_shmem.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessDemoR_BypassTrial365-ppd.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.AdHoc.Excel.Client.Entry.Interfaces.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\wsdetect.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\ext\sunpkcs11.jar.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\uk-UA\tipresx.dll.mui.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\sr.pak.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-pl.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorrc.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-2-0.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.Csp.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\sunec.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.DocumentServices.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Process.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Xaml.resources.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\j2pkcs11.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-phn.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-ul-oob.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Trial-ppd.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\tracedefinition130.xml.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\et.txt.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\tipresx.dll.mui.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Collections.Immutable.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\splashscreen.dll.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-pl.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ul-oob.xrm-ms.tmp 2026-08-16_3f0ffa1c5fc7871b5b6d296be914d0c8_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-pl.xrm-ms.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-1-5-21-1014449518-1831897916-4205727055-1000\desktop.ini.tmp
- Size 25KB
- SHA256 c105e6f5b1aa7984e49999239ceecc71ddded80f70254c1bb0bb197145856656
- MD5 ed893544da2fc466ae6df3e741561811
- SHA1 fba040d84224bb992db659eae2defcd3db71e6c2
- SHA512 c3a6f24cef6644b71aeb23708fff9c1651159a2900bc1fb450204e4dbf4c3194fc9945526faf0f134b65dd1aa675112e3dfaaa1cc5e5d25ae434eb43f5851b6c
- SSDEEP 384:hBt7Br5xjLhVAgA71Fbhv/r+k7ha3JzpsVvUaWq9C7U:R7Blp3pARFbh6qGpim2j
- TLSH T17FC24B5E8B49C072C3855030AC2F687D9DB7443C7E26DBA7AB568C18AAB63D0FC3411A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 124KB
- SHA256 a17733744c5418180bbbe0600a54b076a250df3f5ab1f5b92b2337aed65f0593
- MD5 cf467ae00b033ef01454cf57b6d6ef27
- SHA1 fcb30ca9d04b75b8f928807371faf04aceaf6c70
- SHA512 18310360e0a019da0633714edb2659db1a35c80fe1fc28274814ed691b34024cdcd625ff75e665fe4efa3df3039c30124e3397cfa4129491b272a8f10b45b608
- SSDEEP 3072:73Wp6qG/5ZMfTiu66I3UwqSsMBlsWb4A+2:6MHMfTinqncsWp+2
- TLSH T105C3E6617CAEF6A0CF441339AD6B9E83C305398F3C5ACE4276A515E3913CD950CAB4E6
- MD5 SHA1 SHA512 SSDEEP TLSH