Analysis
- max time kernel
150s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-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 behavioral1/memory/3396-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral1/files/0x000a00000002166e-2.dat family_cosmu behavioral1/files/0x000700000001e6cc-6.dat family_cosmu behavioral1/memory/3396-443-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral1/memory/3396-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x000a00000002166e-2.dat INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x000700000001e6cc-6.dat INDICATOR_EXE_Packed_eXPressor behavioral1/memory/3396-443-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (3468) 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\7.0.16\ko\UIAutomationClientSideProviders.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationFramework.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationFramework.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\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\PresentationFramework.Royale.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\server\classes.jsa.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\npt.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ul-phn.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\host\fxr\6.0.27\hostfxr.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Controls.Ribbon.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Organic.thmx.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.AccessControl.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-ppd.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Extensions.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\UIAutomationProvider.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msadrh15.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\local_policy.jar.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-ppd.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ValueTuple.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipTsf.dll.mui.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Security.AccessControl.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.Design.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\PresentationFramework.Aero2.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterBold.ttf.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dynalink.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\[email protected] 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\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\ProjectProXC2RVL_MAKC2R-ppd.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\IwaKeyDistribution\manifest.json.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-memory-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\lij.txt.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ko-kr.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.Annotations.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationUI.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightRegular.ttf.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiItalic.ttf.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\adcvbs.inc.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Web.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\gstreamer.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\tabskb.dll.mui.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.VisualBasic.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClient.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\fr\UIAutomationClient.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\colorimaging.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ar-sa.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClient.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\ml.pak.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0409-1000-0000000FF1CE.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\msxactps.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.Common.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationClient.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140_1.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Grace-ppd.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-pl.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-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.IO.IsolatedStorage.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Internet Explorer\ja-JP\iexplore.exe.mui.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ppd.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ppd.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Extensions.dll.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-1-5-21-914486190-3969805341-592249730-1000\desktop.ini.tmp
- Size 440KB
- SHA256 4d88e727a4a46bd12288af465f047410e1ea6f01b182e186546915441c0beddf
- MD5 7e358192e080bfdc0d41bb062d82a42b
- SHA1 6ab8b85b893bd426fbdcaf6732a3d970396204ef
- SHA512 4d27256c1b5f3877a82ad5196f6270e334696c23463cdc6c8f3a66c1084055677498f2c98f5006d1fa11476997f954e445a98d356a069eb019f5e299f9591dd1
- SSDEEP 3072:7pWp6qFx/0ongPd9k9pg0AxgNeMZmEbUfALFip:0HxJMapZmVf0Fi
- TLSH T1B5A46395347DB830E9D2053FFC2C9AD41DC35EA466565B7C01AE10A34F680A7FC1AAEE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 539KB
- SHA256 b588e75930412522243725fd72f6ea7e2d6328074ae4841bae7b82b869462767
- MD5 2c9b944f1c24767a00c067c600eb8015
- SHA1 9cfa861687e75e2984f9b8ab4806732e695fd92f
- SHA512 9ff24b5dd89869152a985cbfa3f4d71848d7096c11387752d4f0c4f1e9a96df9b848835e9207c02562e0dd1e4410285780445da3c9f0fa9cf9972396f73d521c
- SSDEEP 3072:7pWp6qFx/0ongPd9k9pg0AxgNeMZmEbUfALFiO5ZMfTiu66I3UwqSsMBlsWb4A+/:0HxJMapZmVf0FvMfTinqncsWp+/
- TLSH T127C41E91347DB830D992013FFC2F9AD55DC35EA56E554B2C11AE10A34F284A7FC0AAEE
- MD5 SHA1 SHA512 SSDEEP TLSH