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-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 behavioral2/memory/996-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x001c00000002a117-2.dat family_cosmu behavioral2/files/0x0004000000025ce6-6.dat family_cosmu behavioral2/memory/996-434-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Custom signatureDetects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/996-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x001c00000002a117-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x0004000000025ce6-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/996-434-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (3293) 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\pl\System.Windows.Forms.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\content-types.properties.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\oskmenubase.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.Debug.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\TipTsf.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-private-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Forms.Design.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\DebugBackup.zip.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Internet Explorer\ja-JP\ieinstal.exe.mui.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\Common Files\microsoft shared\ink\InkDiv.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\Microsoft.VisualBasic.Forms.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\nb-NO\tipresx.dll.mui.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Extensions.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Permissions.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\cs.pak.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.Native.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationTypes.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\DirectWriteForwarder.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClientSideProviders.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\System.Windows.Input.Manipulations.resources.dll.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\Microsoft Office\root\Licenses16\Excel2019R_Retail-ppd.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_kor.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-libraryloader-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.Reflection.Metadata.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\sk-SK\tipresx.dll.mui.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.WindowsDesktop.App\6.0.27\UIAutomationClient.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Locales\bn.pak.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\8.0.15\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\pl\ReachFramework.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-util-l1-1-0.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\et.txt.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\ReachFramework.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-pl.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.Forms.Design.Editors.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\cmm\LINEAR_RGB.pf.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\oskpredbase.xml.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\thaidict.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\management\jmxremote.access.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\fre\StartMenu_Win8.mp4.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-ul-oob.xrm-ms.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\de\WindowsBase.resources.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.StackTrace.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemDrawing.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Diagnostics.PerformanceCounter.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.IO.MemoryMappedFiles.dll.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11cryptotoken.md.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\accessibility.properties.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Smokey Glass.eftx.tmp 2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ppd.xrm-ms.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-1-5-21-1456842261-3464001825-2855069093-1000\desktop.ini.tmp
- Size 440KB
- SHA256 2d2c581a46a2c1bafc87d4e75ef5101cd621d5897e6d53559c3b7046fb59a2dd
- MD5 8d3bd925d50794d4b923af29a51b8f9b
- SHA1 11b317f13318b2ed3aa060f0af591ed857ce0340
- SHA512 2c568bedf5800e455a6afe081d694781ac97d21d970fddcb74e2ddfd1f2727936200026c092fa19334283f3d87edb46ce2f39b7b596852af9d3a8cc498ee3550
- SSDEEP 3072:7pWp6qFx/0ongPd9k9pg0AxgNeMZmEbUfALFis:0HxJMapZmVf0FT
- TLSH T1FDA46395347DB830E9D2053FFC2C9AD41DC35EA466565B7C01AE10A34F680A7FC1AAEE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 539KB
- SHA256 265ddc67317304acb57a4d2d80e55bc45c889088b0713e6b0e71e3449cf81752
- MD5 83cf48212e8687c4f66c3587bb11fdd5
- SHA1 7fc06f75e57b387d1b44f91a3d8f51f4cbe1efcd
- SHA512 2e61eaa5f4eb7701e96db7bc66610440f0a2cdb7f16c80e2fb4a45d773c09694832d652a95506c959166c9637b72a0e628b4e70fc1d0a73bd1605aba9ea2211f
- SSDEEP 3072:7pWp6qFx/0ongPd9k9pg0AxgNeMZmEbUfALFid5ZMfTiu66I3UwqSsMBlsWb4A+/:0HxJMapZmVf0FWMfTinqncsWp+/
- TLSH T16EC41E91347DB830D992013FFC2F9AD55DC35EA56E554B2C11AE10A34F284A7FC0AAEE
- MD5 SHA1 SHA512 SSDEEP TLSH