Analysis
- max time kernel
149s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/08/2026, 21:39
Behavioral task
behavioral1
Sample
2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe
- Size 27KB
- Sample260830-1hmtfsswft
- SHA256 ce7f75177c07a1720f867ffb656d5548f80e11da8710d5bb50f557d226c45b00
- MD5 125fa252e139a5e75c668800b5d8ce28
- SHA1 2277024f0525cbec9d150c752ae34c37dca908e5
- SHA512 80e516f9ecabe2fd43ac57daaf1a48eaea306011e107108131bee9b978bab595e892ed73d0ea7cd544b6d96f1ab41c153a842645eaa7d01e81508bb5d8489933
- SSDEEP 384:TBt7Br5xjL9AgA71Fbhv/r+k7ha3BzpsVvUaWq9C7i:37BlpppARFbh6qypim21
- TLSH T100C24B5E8B098033C39550305C2F78799CB7583C7F66DA6FAB578C2EAA763D0F829119
- 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/1236-0-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu behavioral1/files/0x00090000000004e8-2.dat family_cosmu behavioral1/files/0x000400000001e64d-6.dat family_cosmu behavioral1/memory/1236-533-0x0000000000400000-0x0000000000409D5C-memory.dmp family_cosmu - Detects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral1/memory/1236-0-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x00090000000004e8-2.dat INDICATOR_EXE_Packed_eXPressor behavioral1/files/0x000400000001e64d-6.dat INDICATOR_EXE_Packed_eXPressor behavioral1/memory/1236-533-0x0000000000400000-0x0000000000409D5C-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (5135) 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.NETCore.App\6.0.27\System.Windows.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Diagnostics.Tools.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationClientSideProviders.resources.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\vcruntime140_cor3.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\it\ReachFramework.resources.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\jaccess.jar.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ul-oob.xrm-ms.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\IFDPINTL.DLL.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\ReachFramework.resources.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationCore.resources.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-pl.xrm-ms.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-pl.xrm-ms.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\FPA_f33\FA000000033.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-180.png.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-80.png.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-CA\tipresx.dll.mui.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javapackager.exe.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-3101-0000-1000-0000000FF1CE.xml.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusDemoR_BypassTrial365-ppd.xrm-ms.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-180.png.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\mset7jp.kic.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\ReachFramework.resources.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dynalink.md.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\AUDIOSEARCHLTS.DLL.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\pl\msipc.dll.mui.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OutlookAutoDiscover\YAHOO.CO.NZ.XML.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Internet Explorer\ja-JP\ieinstal.exe.mui.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-oob.xrm-ms.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\XLSLICER.DLL.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\DIFF_MATCH_PATCH_WIN32.DLL.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\IEAWSDC.DLL.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\TYPE.WAV.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.VisualElementsManifest.xml.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Security.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.IO.Compression.ZipFile.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Office Theme.thmx.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\GRINTL32.DLL.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\bwcapitalized.dotx.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.Diagnostics.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.TypeConverter.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\javaw.exe.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-oob.xrm-ms.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ONFILTER.DLL.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OutlookAutoDiscover\YAHOO.DE.XML.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL092.XML.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL119.XML.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\vi.txt.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.hash.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msadcer.dll.mui.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-string-l1-1-0.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.ComponentModel.EventBasedAsync.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jar.exe.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\relaxngom.md.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-oob.xrm-ms.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\wpfgfx_cor3.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Internet Explorer\it-IT\ieinstal.exe.mui.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\lcms.md.tmp 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\[email protected] 2026-08-30_125fa252e139a5e75c668800b5d8ce28_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 2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-30_125fa252e139a5e75c668800b5d8ce28_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1236
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-668679576-120646659-2289335452-1000\desktop.ini.tmp
- Size 27KB
- SHA256 855fe524e6cba0fbe17b9f622a820621faee5952d7c38af0298ce88cd4c55566
- MD5 74607c8b99b1d1d2a05ffc6d6d0fa229
- SHA1 6790db0f8bdbcfb30f073c5879592b06e2780f0e
- SHA512 ff7a7c9cff71d14660cba05ad106402b831dfcd0d88eff3250af9ca45c696975305391320055b7d4cf206a1f0039f5e9ddecac8d7f2c88cd62e51dfd2b87824a
- SSDEEP 384:TBt7Br5xjL9AgA71Fbhv/r+k7ha3BzpsVvUaWq9C7J:37BlpppARFbh6qypim2W
- TLSH T179C24C1E8B098033D39550305C2F78799CB7547C7F669A6FEB178C2EAAB63D0F829119
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 126KB
- SHA256 c49c14e4069f7097d2ca2f417f6d576388353792b5143e29768c78a63ddb2669
- MD5 8b322aff0af5fbac61137377997e6236
- SHA1 d6d28df09e1c47b157335c39782a9265d4779de1
- SHA512 344d574a676650ee3b5af42c2c571cb7c5d06a3d5411fcfab04297bd2dad0646699ab2fe808e7f5202fefc70a8cc742bd72334392c1d3ea94d4dff4c474dbb98
- SSDEEP 3072:1pWp6qyY5ZMfTiu66I3UwqSsMBlsWb4A+G:iMSMfTinqncsWp+G
- TLSH T16AC3F6617CAEF6A0CF4412396D6BBE83C305398F3C5ACE4676A519E3913CD910C9B4E6
- MD5 SHA1 SHA512 SSDEEP TLSH