Analysis
- max time kernel
150s - max time network
139s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 01:19
Behavioral task
behavioral1
Sample
2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
5 signatures
150 seconds
General
- Target 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe
- Size 85KB
- Sample260802-bpyf4a1gmf
- SHA256 23c655f830f7623ae49b29409d1c739efb418185e65bc75de723863dce80296c
- MD5 1072ac07c4a018b69a0bd12c57f83cd0
- SHA1 30082f42ee7bc55d4a3b778a7026b376f12b92e5
- SHA512 5f55f80a1a4a177b516a14c437e6258c7c27d605d36f4c28aaf178ba3865a1ad632e15bbf31b16597ff0653dd972fb8b5d7a81261b2021c2bd5a0720fa814a76
- SSDEEP 1536:W7ZppApUFpEhLfyBtPf50FWkFpPDze/qFsxEhLfyBtPf50FWkFpPDze/qFsAcEhT:6pWpUFpEhLfyBtPf50FWkFpPDze/qFsi
- TLSH T1F5833A2E9DEEF0D3F3EA2270D92B769C9C19BC0AADF6BC763E4135951801EB2450514B
- 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/0x000d000000019cb1-1.dat family_cosmu behavioral2/files/0x000500000001b1cd-5.dat family_cosmu - Renames multiple (4295) 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\8.0.15\System.Private.Xml.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\GrantPublish.mp2.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ppd.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Controls.Ribbon.resources.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ul-phn.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebClient.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsFormsIntegration.resources.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-oob.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\asm.md.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-phn.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-ul-oob.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\hostpolicy.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\splash.gif.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-ppd.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-pl.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-pl.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QRYINT32.DLL.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\tabskb.dll.mui.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationProvider.resources.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\libpng.md.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-oob.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\wxpr.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.Serialization.Json.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationUI.resources.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\th.pak.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-pl.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ppd.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Grace-ppd.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ko\ReachFramework.resources.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\JoinStep.vbs.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ja\System.Windows.Forms.Design.resources.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-ul-oob.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\msquic.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javac.exe.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.bg-bg.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msadcer.dll.mui.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\dtplugin\npdeployJava1.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ul-oob.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-pl.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_PrepidBypass-ul-oob.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\meta-index.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ul-phn.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-phn.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXC.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OleDbProvider.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsBase.resources.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-1-0.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sqlpdw.xsl.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\DirectWriteForwarder.dll.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ppd.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial2-pl.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-ppd.xrm-ms.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\GRLEX.DLL.tmp 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_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 2026-08-01_1072ac07c4a018b69a0bd12c57f83cd0_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-3986082593-3624157295-3514260330-1000\desktop.ini.tmp
- Size 85KB
- SHA256 59a283f440d6372c0454e03514c565c7613baceaf861f981409a16078a9590c7
- MD5 e1b2f9a689a1cb4ab893a61883f7d6ba
- SHA1 5b35ce7c58909f16fdcb69f98f1a6601f550cbe0
- SHA512 1b26af8cbac07830ad3fd46d124498cf9a838191819665330899feb6abc78e95d491ca925f7ae73eb61442e70a9768cd20d9b1c3faf3b92cda70c9d9279ce4ce
- SSDEEP 1536:W7ZppApUFpEhLfyBtPf50FWkFpPDze/qFsxEhLfyBtPf50FWkFpPDze/qFsAcEhR:6pWpUFpEhLfyBtPf50FWkFpPDze/qFs8
- TLSH T11883292E9DEEF0D3F3AA2170D92B769C9C1ABC0AADF6BC763E4135D51801EB2450514B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 184KB
- SHA256 18cfef18ff33b612960ed24545eadc6a8459c00c4d82beff98fe25c0c09af894
- MD5 ed902a54334d1f12296c284ea79cf64f
- SHA1 0cde439cddffb5e3afbae5271df34b9c1bca392d
- SHA512 67492e21b1f4fe5d4fa158d67a08f607d3855c25afdb0791ca3a8f67cd5469e22f4f5f263a49224c7b3992667406adcf2e38d377815871177885e88fd2a2b672
- SSDEEP 3072:6pWpUFpEhLfyBtPf50FWkFpPDze/qFsxEhLfyBtPf50FWkFpPDze/qFslEhLfyB8:PqFF2Ie+eFhMfTinqncsWp+E
- TLSH T1DB0418217CAEF1E1CB942278A92B7E8B86057D4F7C9ADD7276A135E35028EB10C470D7
- MD5 SHA1 SHA512 SSDEEP TLSH