Analysis
- max time kernel
150s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/08/2026, 00:37
Behavioral task
behavioral1
Sample
2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
5 signatures
150 seconds
General
- Target 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe
- Size 97KB
- Sample260802-ayrt8szzcx
- SHA256 128507cbf11c1d0c448bc0dbee182dbc2275380abe059efd1e51070160506d84
- MD5 5fd282fcd6d0c01d508520f973cbecc5
- SHA1 7535b5423b23169fd47e134465bfc751d729760d
- SHA512 6e39389159d5d9dddd7eb8610268891401c8aa94ce439ffdc1b5c73002b15c773d08bfc145fb9f8ca679994b4c4ba35e6a92b46457c53c3d6875f1243ea89906
- SSDEEP 3072:6pWpUFpEhLfyBtPf50FWkFpPDze/qFsxEhLfyBtPf50FWkFpPDze/qFslEhLfyBQ:PqFF2Ie+eF1S/tUS/t4JV
- TLSH T1B8A3D53A5A9DF8E7E3B726305D27F89C80697C0B7FA6B83D3963549A1802FF5490114B
- 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 behavioral1/files/0x002000000002438b-1.dat family_cosmu behavioral1/files/0x00040000000217d7-5.dat family_cosmu - Renames multiple (4917) 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\Java\jdk-1.8\bin\api-ms-win-crt-math-l1-1-0.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ppd.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\as90.xsl.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CONVERT\OLTASK.FAE.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Annotations.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\DirectWriteForwarder.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\Accessibility.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\fr\System.Xaml.resources.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\vcruntime140_cor3.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Trial-pl.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.DataWarehouse.Interfaces.DLL.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.resources.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\ext\access-bridge-64.jar.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Grace-ul-oob.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\oledb32.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.ComponentModel.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationClient.resources.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pt-BR\System.Windows.Forms.Design.resources.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ul-phn.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ul-oob.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msaddsr.dll.mui.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_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 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Transactions.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-phn.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\BHOINTL.DLL.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ExcelFloatieXLEditTextModel.bin.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\it-IT\TabTip.exe.mui.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.DiagnosticSource.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Requests.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.Extensions.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\flavormap.properties.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\de\msipc.dll.mui.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msadox.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\PresentationCore.resources.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javaw.exe.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Grace-ppd.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OutlookLogo.contrast-white_scale-140.png.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\PresentationUI.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\ta.pak.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_LinkNoDrop32x32.gif.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ul-oob.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-pl.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Accessibility.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\eventlog_provider.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\npt.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ul-oob.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-pl.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART13.BDR.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\cpprestsdk.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\tg.txt.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-phn.xrm-ms.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\POSTL.ICO.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\msotelemetry.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\et.txt.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\WindowsBase.resources.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\npt.dll.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\local_policy.jar.tmp 2026-08-01_5fd282fcd6d0c01d508520f973cbecc5_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_5fd282fcd6d0c01d508520f973cbecc5_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-668679576-120646659-2289335452-1000\desktop.ini.tmp
- Size 97KB
- SHA256 fcb901ead127c19b0247dfd517da5ced18242144fc48d9aecee8ff2476e76847
- MD5 3362ee4e435e72dd6d57e654db5bcb33
- SHA1 cc49268833155b279fe3d6fde423eea4dc6c5d31
- SHA512 dfe0ac8f527a4ef2aa4cc71fd7615671aafd2e82711f15fe6b499c759516440d493cb8d6228e3d076c8e1aef30371976825f4e43f5c0746750d23672df190675
- SSDEEP 3072:6pWpUFpEhLfyBtPf50FWkFpPDze/qFsxEhLfyBtPf50FWkFpPDze/qFslEhLfyBA:PqFF2Ie+eF1S/tUS/t4Jh
- TLSH T10BA3E53A5AADF8E7E3B726305D27F89C80697C0B7FA5B83D3963549A1802FF5490114B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 196KB
- SHA256 de5b9b9438c42cdec18c19ccec92a7e8fe34c85d149140c700487a7295f2fe8f
- MD5 314daf71ba3865bbbbba4daaef828d32
- SHA1 cf04aa29ab4b9435dbdebe23493b68de9214cf79
- SHA512 95b12daf4a238847bdac24cf7206813fbf2e6e88bfab2554e9a3281b7e9156454187f194fece72e44f11dd0cadd8b4dd7d5e239a91ff78cb9bd2e815cbc32f11
- SSDEEP 6144:PqFF2Ie+eF1S/tUS/t4JvMfTinqncsWp+L:iFF2dMfunbsW8L
- TLSH T1A11407616CAEF5E2CB6523346D1BBD8FC2043C4B3EA9EC79366214E74529EB50C4709B
- MD5 SHA1 SHA512 SSDEEP TLSH