Analysis
- max time kernel
150s - max time network
161s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
18/04/2026, 12:59
Behavioral task
behavioral1
Sample
2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe
Resource
win11-20260130-en
windows11-21h2-x64
5 signatures
150 seconds
General
- Target 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe
- Size 35KB
- Sample260418-p74bysas6t
- SHA256 f73354c7f5fb24acc9a68a1d49a2b0536572cae4aef5cd61d91fc9b6011b10d4
- MD5 5dc8703d69e438b74b4cbe289fde9c3f
- SHA1 2800d4b22fca0445fc195dcc57718b69073525c8
- SHA512 708a256833c2e7e8b0242068f5cdfa2156062c226758e6788533f6c276c66738c5e8dc0fb3d629e0a91e918b0e9c2c2dc10c59a14259167d50f1bdce6d39be53
- SSDEEP 768:s7BlpppARFbhdLz8ae+rOn8ae+rO2aNQP+UDQvO:s7ZppApdIIJQP+UDQvO
- TLSH T122F20A29BB017D90D78468F7D96B31A5DE239D463D20ED75F60278F20B61EB06463B07
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Cosmu payload 2 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x002700000002b200-1.dat family_cosmu behavioral2/files/0x0006000000025adf-5.dat family_cosmu - Renames multiple (4843) 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.Resources.ResourceManager.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Controls.Ribbon.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Trial-ul-oob.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL104.XML.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Collections.Specialized.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.WebProxy.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationFramework.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProDemoR_BypassTrial180-ppd.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ul-oob.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.DataContractSerialization.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Input.Manipulations.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-ppd.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-convert-l1-1-0.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-pl.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-140.png.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Security.Cryptography.Encoding.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-math-l1-1-0.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNoteNames.gpd.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.SecureString.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\Microsoft.NETCore.App.deps.json.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\xmlresolver.md.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-ul-oob.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-processthreads-l1-1-1.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-pl.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-pl.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\ConvertFromPublish.dotx.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Serialization.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationCore.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\pt-PT.pak.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-2-0.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\cmm\sRGB.pf.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_HK.properties.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsBase.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\asm.md.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-oob.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OSFSHARED.DLL.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sl-si.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-errorhandling-l1-1-0.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\keytool.exe.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\joni.md.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash.gif.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\dynalink.md.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\ext\sunmscapi.jar.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\oskpredbase.xml.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-phn.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ul-phn.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ppd.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ppd.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\AUDIOSEARCHSAPIFE.DLL.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\TITLE.XSL.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\mscss7wre_fr.dub.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Channels.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.Thread.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationProvider.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Grace-ul-oob.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-100.png.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-180.png.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsBase.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_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 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-1383858298-2057492509-1726743289-1000\desktop.ini.tmp
- Size 35KB
- SHA256 0b3aff03e40b646d78eee5717e3a1cb73a9d067d92a4d07c1ac97c44ef7fb686
- MD5 2c604039f4e077fb2cdb21aba1119f11
- SHA1 71f184b10eaa1be7f6e6b743780d16e02e8c2c8c
- SHA512 e26707c460adaff494204428a2f0473b0623075e424d2a775333aa4a6647a17c41161694b6c6c44ed312c64dae138d1565f8aa00329492e508e22954e113bdb1
- SSDEEP 768:s7BlpppARFbhdLz8ae+rOn8ae+rO2aNQP+UDQvP:s7ZppApdIIJQP+UDQvP
- TLSH T113F21B29BB017D90D78468F7D96B31A5DE139D463E20ED75F60678F20B61E706423B07
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 134KB
- SHA256 1f9f09b52e53842fa36a71920029bc407ac4d693926d0453f503f02c12780619
- MD5 58c56877b03cd0314de49e7b42d5a2a9
- SHA1 a35d27a61e85c9369e3bc3d1ba99e0b5925e7689
- SHA512 c2638059743430c37f6a1826eb7509685bdb17d30b7893816ced1f196e7e3e53b6d5a76e776fea2e08065d10db7d1ba882dd379ab6f551e77fa6c05ad74fdb2b
- SSDEEP 3072:spWp8kvA5ZMfTiu66I3UwqSsMBlsWb4A+W:NwMfTinqncsWp+W
- TLSH T1A8D3C4607E6AFAA0CB4412BAED5B7E83C302398B3C59CD72B66525E34238DB11C575D3
- MD5 SHA1 SHA512 SSDEEP TLSH