Analysis
- max time kernel
150s - max time network
153s - 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-vnvtcses2s
- 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/1480-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral1/files/0x000a000000024328-2.dat family_cosmu behavioral1/files/0x000600000001e6d7-6.dat family_cosmu behavioral1/memory/1480-429-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Custom signatureDetects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral1/memory/1480-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x000a000000024328-2.dat INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x000600000001e6d7-6.dat INDICATOR_EXE_Packed_eXPressor behavioral1/memory/1480-429-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (3101) 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\O365HomePremR_Subscription2-pl.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ru-ru.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\InputPersonalization.exe.mui.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome.dll.sig.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\thaidict.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-file-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Extensions.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationUI.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationClientSideProviders.resources.dll.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\jdk-1.8\jre\bin\api-ms-win-crt-math-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwritalm.dat.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\ja-JP\msader15.dll.mui.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_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 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Concurrent.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Formats.Tar.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\bcel.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processthreads-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\it\ReachFramework.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\sk.pak.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\glass.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\gstreamer-lite.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordbi.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\PresentationFramework.Aero.dll.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.Forms.Primitives.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Controls.Ribbon.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\cmm\GRAY.pf.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\LICENSE.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\7-Zip\7zCon.sfx.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsrus.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\mshwLatin.dll.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.NETCore.App\6.0.27\System.Net.WebSockets.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-private-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\glib.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrdeusymnn.dat.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VC\msdia100.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.Calendars.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngdatatype.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-0C0A-1000-0000000FF1CE.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Grace-ppd.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipTsf.dll.mui.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\he-IL\tipresx.dll.mui.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-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.Private.DataContractSerialization.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Private.Xml.Linq.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Xml.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\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\WindowsFormsIntegration.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Queryable.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.Quic.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.Security.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ja\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\pl\WindowsBase.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntimeR_PrepidBypass-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.Core.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Dynamic.Runtime.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
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-312252282-3884318443-358092420-1000\desktop.ini.tmp
- Size 440KB
- SHA256 fd7394743973316f8f7aa16bab788e82c62b781f58de86e9f5c1df9fbdd5c0e1
- MD5 bbe08fe3432bd606fa469229ec914590
- SHA1 8d99ea03386fdc6ac83d85df2484b6d3cf0025c6
- SHA512 b5ed98314cad385a358880c91844af3abbc073fcba7a6435f39ad1a5aaa65e4163949346c6d0ce8d3e55ebf00d3491a9ae67bdaf8b2ae990987a25dddec42599
- SSDEEP 3072:7pWp6qFx/0ongPd9k9pg0AxgNeMZmEbUfALFi0:0HxJMapZmVf0FH
- TLSH T13CA46395347DB830E9D2053FFC2C9AD41DC35EA466565B7C01AE10A34F680A7FC1AAEE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 539KB
- SHA256 65472242d08d9ebbb1fa340f1e451dc83fd3104f33e1d2f0c17eaceacbb41a71
- MD5 6795d81d3a5955ecc766e35869df55fe
- SHA1 d92cb1a47990f82647d439bd5823766f94d66a79
- SHA512 8a74134a5cad0474c62f1f4f15098f25a721311ae2e36971e59e0a90e60ea8776f942da728e969cbdaec5133c1289c41c8d3e13d9d061078bcc3106f94831740
- SSDEEP 3072:7pWp6qFx/0ongPd9k9pg0AxgNeMZmEbUfALFiR5ZMfTiu66I3UwqSsMBlsWb4A+/:0HxJMapZmVf0FaMfTinqncsWp+/
- TLSH T196C41E91347DB830D992013FFC2F9AD55DC35EA56E554B2C11AE10A34F284A7FC0AAEE
- MD5 SHA1 SHA512 SSDEEP TLSH