Analysis
- max time kernel
150s - max time network
94s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
03/05/2026, 17:08
Behavioral task
behavioral1
Sample
2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe
Resource
win11-20260130-en
windows11-21h2-x64
6 signatures
150 seconds
General
- Target 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe
- Size 440KB
- Sample260503-vnvtcsd191
- SHA256 a4ce9a47d4b0d81ea492717653d426ce2a6b5764e7bf190d08505ea9bfc34c58
- MD5 1f4e2575208d61f1888e02adf6b4e399
- SHA1 a0a78bdeb69a2c4d8c9803c3b93091518086804d
- SHA512 4787774842c30b332444cd46e0d5bc0358a7e0c2d0731616b589538af3fb965742855ed491f0cc33b3c914bb70c6eac1eccf53d679927aafb2c98dd71a62202e
- SSDEEP 3072:7pWp6qFx/0ongPd9k9pg0AxgNeMZmEbUfALFip:0HxJMapZmVf0FG
- TLSH T1DBA46395347DB830E9D2053FFC2C9AD41DC35EA466565B7C01AE10A34F680A7FC1AAEE
- 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/5296-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x000900000002a117-2.dat family_cosmu behavioral2/files/0x0004000000025ce6-6.dat family_cosmu behavioral2/memory/5296-449-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/5296-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000900000002a117-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x0004000000025ce6-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/5296-449-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (3266) 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\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-phn.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16ConsumerPerp_Bypass30-ppd.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.CSharp.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Printing.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-bridge-office.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-private-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.TypeConverter.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Csp.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Xaml.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\MEIPreload\preloaded_data.pb.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\relaxngom.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Threading.ThreadPool.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\PresentationFramework.Luna.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-multibyte-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\messages_de.properties.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\resources.jar.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsBase.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\UIAutomationClient.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\IwaKeyDistribution\iwa-key-distribution.pb.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\pack200.exe.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Cambria.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Candara.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ppd.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\mn.txt.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\msdaps.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.UnmanagedMemoryStream.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\bcel.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp120.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\WindowsBase.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\WindowsFormsIntegration.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\management\snmp.acl.template.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\mesa3d.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\legal\javafx\icu_web.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Slipstream.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\en-US\msadcer.dll.mui.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\eula.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\msvcp140.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\sqloledb.rll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XmlDocument.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Configuration.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Security.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\mscordbi.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.Design.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\de\PresentationCore.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\xjc.exe.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-profile-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\cldr.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-ppd.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-pl.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Security.SecureString.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\fi.pak.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_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 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-1456842261-3464001825-2855069093-1000\desktop.ini.tmp
- Size 440KB
- SHA256 d4d9969f8f6576108a077bb797c54fe1520aa16e8fc023f0cde7c5c8cf0de732
- MD5 35fe645880a115c106b7a536932dfe1b
- SHA1 1504b09166173ab4cf1870871bed9c7a43dbdbb3
- SHA512 71b147e2fde3a75e92662545e596aea0ab840d775f99469bf356d0f3f676a568025a1336a520079f8bf2fd976ce76fc64305fae61b458195c51083ce123679b9
- SSDEEP 3072:7pWp6qFx/0ongPd9k9pg0AxgNeMZmEbUfALFiw:0HxJMapZmVf0Fz
- TLSH T129A46395347DB830E9D2053FFC2C9AD41DC35EA466565B7C01AE10A34F680A7FC1AAEE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 539KB
- SHA256 abbc29a6c95d92dfabb94978d85e4585e4394c73443f1ab48e924cd4bb1079e0
- MD5 8615c9b9d3f1cb0343a2121e7f3e0327
- SHA1 c96ea7721059825860fe8426c95789fb4d0dbcfe
- SHA512 90de7d13b8ff1bfa533fbc1caf7d623f8849bb4ff56f81bec5a0b01bf81f9102015cf2f8c55a0ccf0b572e4dd434fce3a8be4eb2901053d52e9f5208b664e8a8
- SSDEEP 3072:7pWp6qFx/0ongPd9k9pg0AxgNeMZmEbUfALFiT5ZMfTiu66I3UwqSsMBlsWb4A+/:0HxJMapZmVf0FoMfTinqncsWp+/
- TLSH T16BC41E91347DB830D992013FFC2F9AD55DC35EA56E554B2C11AE10A34F284A7FC0AAEE
- MD5 SHA1 SHA512 SSDEEP TLSH