Analysis
- max time kernel
150s - max time network
114s - 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, 03:58
Behavioral task
behavioral1
Sample
2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
6 signatures
150 seconds
General
- Target 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe
- Size 25KB
- Sample260802-ejvpsscr2x
- SHA256 77f5fbded61fb0224bef09cfab1b2e2f562fcba384d4c46a9700a4f064faf5fe
- MD5 bd9d0298cf27995b75d0c1a4bc7830bc
- SHA1 c5a26e2e2c53483e615712e8bb073e55652c137b
- SHA512 a8ba6e60a43decef44c557e46f1c40601a0a852aa9980326b6012f7996474cdf0e447f7180b140cc085ec9c20c9298bb0c6f3f2c91a32dc8319ce6c709f7829a
- SSDEEP 384:hBt7Br5xjLxvAgA71Fbhv/r+k7ha3JzpsVvUaWq9C7:R7BlpFpARFbh6qGpim2
- TLSH T108B24B5E8B49D072C38550345C2F687D9CB7543C7E26DB6BAB56CC18AAB63D0FC3811A
- 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/5052-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x000d0000000007e0-2.dat family_cosmu behavioral2/files/0x0005000000016b3f-6.dat family_cosmu behavioral2/memory/5052-622-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/5052-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000d0000000007e0-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x0005000000016b3f-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/5052-622-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (4861) 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\7-Zip\Lang\af.txt.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Quic.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\ReachFramework.resources.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\bn.pak.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ppd.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_PrepidBypass-ppd.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\DIFF_MATCH_PATCH_WIN32.DLL.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Json.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationCore.resources.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Primitives.resources.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\System.Xaml.resources.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\server\jvm.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ppd.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ppd.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\OUTLOOK_COL.HXC.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clretwrc.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\it\System.Windows.Controls.Ribbon.resources.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_es.properties.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Design.resources.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\WindowsFormsIntegration.resources.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\lib\packager.jar.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ul-oob.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Transactions.Local.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\WidevineCdm\LICENSE.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationFramework.resources.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\CONTACTL.ICO.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OutlookLogoSmall.scale-100.png.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ul-phn.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CONVERT\OLJRNL.FAE.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSPPT.OLB.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\TabTip.exe.mui.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\vi-VN\tipresx.dll.mui.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Common Files\System\wab32res.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\icudtl.dat.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-private-l1-1-0.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\psfontj2d.properties.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-oob.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsFormsIntegration.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Printing.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\tr\UIAutomationClient.resources.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Violet.xml.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-ul-oob.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PPINTL.DLL.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.VisualStudio.Tools.Applications.Runtime.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\7-Zip\History.txt.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\it-IT\msdaprsr.dll.mui.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\cs\System.Windows.Forms.resources.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\Microsoft.VisualBasic.Forms.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Reflection.eftx.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Word.Word.x-none.msi.16.x-none.xml.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-pl.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-pl.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\oskmenubase.xml.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ppd.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ul-phn.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FORMS\1033\REPORT.CFG.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.Primitives.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clrgc.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-ul-oob.xrm-ms.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-filesystem-l1-1-0.dll.tmp 2026-08-01_bd9d0298cf27995b75d0c1a4bc7830bc_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_bd9d0298cf27995b75d0c1a4bc7830bc_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 25KB
- SHA256 18cb5c0c8fe5bc4dded6c006c30b7ba58cbcccfb55aa9a83462ab46260bc1805
- MD5 422a35f5a943e842e8fba0074398f3da
- SHA1 6d0ed8aa058502762bb1569cf7a602d77225179c
- SHA512 abd3afb38ce2b3f215e5599cfd504c41cb7272bf9125d5fbfeecda9a7ea3be379083103c74c7a36998532fe62d48ab6e730f7a0ad7903fce1312518e4047d612
- SSDEEP 384:hBt7Br5xjLxvAgA71Fbhv/r+k7ha3JzpsVvUaWq9C7w:R7BlpFpARFbh6qGpim2r
- TLSH T1EAC24B5E8B45D072C3855030AC2F687D9DB7543C7E26DB67AB568C1CAAB63D0FC3411A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 124KB
- SHA256 7e3a890b8e5b2b6284eaeb424498d6eae210aae5d81cfad5e99af7f4fd643823
- MD5 2f82ae10625f19bcca4d6c61acd14ff5
- SHA1 0f75736cfde317ae60df2cb70b8d8ce57b4a130a
- SHA512 79627715bef4ac153c6d099d607524ec742a79f4806910d40db19d09e9a96a1e9b86314fb8f3c5f8eaa3c7aa2151548c23e0fe169e7cb128138d556bd690273b
- SSDEEP 3072:7FWp6qGb5ZMfTiu66I3UwqSsMBlsWb4A+2:IM7MfTinqncsWp+2
- TLSH T1FAC3E6617CAEF6A0CF441339AD6B9E83C305398F3C5ACE4276A515E3913CD950CAB4E6
- MD5 SHA1 SHA512 SSDEEP TLSH