Analysis
- max time kernel
150s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-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 behavioral1/files/0x00120000000242b7-1.dat family_cosmu behavioral1/files/0x000500000001e6e8-5.dat family_cosmu - Renames multiple (5134) 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\ja\PresentationUI.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\instrument.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\security\javaws.policy.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\chrome_installer.log.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\vstoee90.tlb.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationFramework.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxml2.md.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-pl.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ul-oob.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ppd.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ul-oob.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ja-jp-sym.xml.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ul-oob.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-100.png.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ky.txt.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.FileVersionInfo.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\UIAutomationProvider.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-time-l1-1-0.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\public_suffix_list.dat.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ul-phn.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.V7.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\mshwLatin.dll.mui.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationProvider.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\msvcp120.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ppd.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\pkeyconfig-office.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\es.txt.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jp2native.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\nio.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe.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\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Windows.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.Timer.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationCore.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\eula.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\offsymsb.ttf.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-140.png.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Drawing.Primitives.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\include\jawt.h.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL048.XML.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.TraceSource.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.Design.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Internet Explorer\ja-JP\iexplore.exe.mui.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ppd.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ul-phn.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\PROOF\msgr3jp.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationFramework.resources.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\meta-index.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-ul-phn.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_Grace-ul-oob.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-ppd.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\sbicuuc53_64.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\PROOF\msth8FR.DLL.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Configuration.ConfigurationManager.dll.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSO0127.ACL.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\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\Licenses16\StandardVL_MAK-ppd.xrm-ms.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\GRINTL32.DLL.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\centered.dotx.tmp 2026-04-18_5dc8703d69e438b74b4cbe289fde9c3f_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\CHIMES.WAV.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-1-5-21-745935970-1373868228-562466063-1000\desktop.ini.tmp
- Size 35KB
- SHA256 43a9ad2dc6bc8a4aefc2415bf42fc0316b27c67bfb59adee41c9124e18974e78
- MD5 314055636cf4d2f807f377bdb6c54d33
- SHA1 65371871e1974a32211d20b7e4cd41abf808c4dc
- SHA512 d725fdc6d160c4b3b7f92c432dc8e13c763806dfc7b09073093f447572632068280b8a857a46d392e1e28869d1bc23905c9edf770c029631b0d66cc9e8e9bac2
- SSDEEP 768:s7BlpppARFbhdLz8ae+rOn8ae+rO2aNQP+UDQv6:s7ZppApdIIJQP+UDQv6
- TLSH T19DF21C29BB017D90D78468F7D96B31A5DE139D463E20ED76F60278F20B61E706463B07
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 134KB
- SHA256 88fc64e1b3185fb8f40952147355a2ef114a07f7648a8d1d68f37633df0ea23b
- MD5 ca8a6ff03278f4e09593f8da72bdc397
- SHA1 b5eaa5751f40f1a1c6236de1345a52a5a5cfb6bd
- SHA512 85fd62726541e097b199213554e2d45d468fcc76d6c8ba987e8bc34a25e0451225b07c2048e8240991b93a93be267b0d694f9859776ca85292cce672b21cd25e
- SSDEEP 3072:spWp8kvy5ZMfTiu66I3UwqSsMBlsWb4A+W:NqMfTinqncsWp+W
- TLSH T102D3C4607E6AFAA0CB4412BAED5B7E83C302398B3C59CD72B66525E34238DB11C575D3
- MD5 SHA1 SHA512 SSDEEP TLSH