Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/08/2026, 22:56
Behavioral task
behavioral1
Sample
2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
6 signatures
150 seconds
General
- Target 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe
- Size 26KB
- Sample260830-2wycsabj4v
- SHA256 d370c19dce53e16e02a609bbcd91ed9d0a0f26ac335a4056c9807e34657659e6
- MD5 fc90a3cb346e2aae252ca3b7b87e487d
- SHA1 729b24eacf4ddaecf7e5e78328a9527a250c0be4
- SHA512 beebae4b3ac865599a1ea8bb96575cedc3f2dba4b444241e4611aa8cf0a5610197e663045dc984695313e1ad81c6779e6255e1d55ef7a51e3541d482be40b291
- SSDEEP 384:/Bt7Br5xjLiAgA71Fbhv/r+k7ha3JzpsVvUaWq9C7:z7Blp2pARFbh6qGpim2
- TLSH T136C23A5E8B49C072C38550349C2F787D9CB7443C6E26DB6BAB568C18AAB63D0FC3811A
- 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/5776-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x0010000000016ce7-2.dat family_cosmu behavioral2/files/0x000400000001b1b2-6.dat family_cosmu behavioral2/memory/5776-586-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/5776-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x0010000000016ce7-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000400000001b1b2-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/5776-586-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (4777) 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\System.Security.Cryptography.ProtectedData.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-environment-l1-1-0.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hi-IN\tipresx.dll.mui.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Annotations.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemData.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-ppd.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_profile_large.png.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Timer.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Linq.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pt-BR\System.Windows.Forms.resources.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ul-oob.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.Interfaces.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Tracing.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationTypes.resources.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\hprof.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\tr\UIAutomationClientSideProviders.resources.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.common.16.xml.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-phn.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-pl.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationFramework.resources.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\it\WindowsFormsIntegration.resources.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\cmm\sRGB.pf.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\jfr\profile.jfc.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\jjs.exe.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-pl.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-pl.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ul-oob.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ba.txt.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\TipRes.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\xmlresolver.md.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ul-oob.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_F_COL.HXK.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Internet Explorer\uk-UA\iexplore.exe.mui.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyDrop32x32.gif.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-pl.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-phn.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART15.BDR.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Extensions.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\management\jmxremote.password.template.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-ul-oob.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\et.txt.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ObjectModel.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ppd.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ppd.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Packaging.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\TASKDECL.ICO.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ppd.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationTypes.resources.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\concrt140.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-140.png.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-ul-oob.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\el.txt.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ga.txt.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\chr-CHER-US\tipresx.dll.mui.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\WindowsBase.resources.dll.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ppd.xrm-ms.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicelegant.dotx.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.manifest.tmp 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_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 2026-08-29_fc90a3cb346e2aae252ca3b7b87e487d_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2115213192-531537726-3295841909-1000\desktop.ini.tmp
- Size 26KB
- SHA256 ed08437816a48e60f8fa662c16070334dac2b2b18fe56e19b0610417047e39c4
- MD5 a60ac5ac33d78dff028ec875b87d7321
- SHA1 33192c9c01e7e11afab141e7d1c1a31424ec0604
- SHA512 30c21f0cf7049078a4bfedfd36f54b4684340091a462e25b793efa043336f8647efe99163789b978a7bbb7d823fe0a1ba290d4fa972591431e27c0e62eec51ed
- SSDEEP 384:/Bt7Br5xjLiAgA71Fbhv/r+k7ha3JzpsVvUaWq9C7v:z7Blp2pARFbh6qGpim2U
- TLSH T1F1C24B5E8B45C072C3855034AD2F787D9DB7443C6E26DBABEB568C18AAB63D0FC3411A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 125KB
- SHA256 e9fc2dc0d562498b684a6cfb666edd67bee614dc0691ed9f3a665a7239500cb3
- MD5 923f882cb1e00e9af6e253c09b823b23
- SHA1 b9b5fc285bf455fd9b397caffb82a85d52dbda53
- SHA512 1c14c4629f8a29f5130be12258fa02e8bd9f4933e1308f6b33e2840811091e36d181401b8f527ddb4e0bcd319dd2ef344cf79dbebca795481fa28fd738f6e734
- SSDEEP 3072:R2Wp6qGM5ZMfTiu66I3UwqSsMBlsWb4A+en:dMeMfTinqncsWp+en
- TLSH T181C3E6617CAEF6A0CF441239AD6B7E83C305398F3C5ACE4276A515E3913CD950CAB4E6
- MD5 SHA1 SHA512 SSDEEP TLSH