Analysis
- max time kernel
99s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/05/2026, 08:35
Behavioral task
behavioral1
Sample
2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11-20260513-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.9MB
- Sample260528-kg4gtacv21
- SHA256 981ee677c96863f8be5441161eda42c8acdfe5179f23523e0ffaf89d761f916d
- MD5 91c53c682019797c42752eb455847c69
- SHA1 7a2f3ba5198481b71341bbb0deda81b81c772c53
- SHA512 1bf6133b0d472160f199fb29f9f72e9320082dafd0d42365a9083d13b01ec987d97da6b174447d3c5c06e06ca02da63ca27847741499c5315b3e1779924d8ba5
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsciK4rK/5jcAkSYqyEgEEP0Le5ji0hmxNw:A3k03kHRJ+pYqePji0Aj
- TLSH T1D6957C16F6744275D073C0B9C5D2A69AEE7134861B308ACF1389C7282F67BE1DA3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/4660-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x001a00000002b5ee-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4636-7-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000002a34c-12.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4660-70-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4636-71-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000025ad3-2076.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x001a00000002b5ee-5.dat aspack_v212_v242 behavioral2/files/0x000300000002a34c-12.dat aspack_v212_v242 behavioral2/files/0x0003000000025ad3-2076.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4636 patcher.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinFirewall = "C:\\905c0769f9a06c95a24ddf945\\patcher.exe" 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinFirewall = "C:\\905c0769f9a06c95a24ddf945\\patcher.exe" patcher.exe - Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\SysWOW64\:\autorun.inf patcher.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\:\autorun.inf patcher.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\kinit.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\pwahelper.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateCore.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\pack200.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_2.2106.2807.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.40831.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\wsgen.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pubs.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe$ 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\MicrosoftWindows.Client.WebExperience_321.14700.0.9_x64__cw5n1h2txyewy\Dashboard\Widgets.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe$ patcher.exe File created C:\Program Files\Java\jre-1.8\bin\javacpl.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\misc.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe$ 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.PowerAutomateDesktop_1.0.65.0_x64__8wekyb3d8bbwe\PAD.Console.Host.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe$ 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe$ 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmlaunch.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe$ patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_10.2.41172.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\lyncicon.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\outicon.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.42251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\cookie_exporter.exe$ 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateCore.exe$ 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateCore.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msotd.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\dbcicons.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jstack.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.PowerAutomateDesktop_1.0.65.0_x64__8wekyb3d8bbwe\PAD.Console.Host.exe 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe$ patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe patcher.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language patcher.exe - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4660 2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4636 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-28_91c53c682019797c42752eb455847c69_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"1⤵
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of SetWindowsHookEx
PID:4660
-
C:\905c0769f9a06c95a24ddf945\patcher.exeC:\905c0769f9a06c95a24ddf945\patcher.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4636
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.9MB
- SHA256 981ee677c96863f8be5441161eda42c8acdfe5179f23523e0ffaf89d761f916d
- MD5 91c53c682019797c42752eb455847c69
- SHA1 7a2f3ba5198481b71341bbb0deda81b81c772c53
- SHA512 1bf6133b0d472160f199fb29f9f72e9320082dafd0d42365a9083d13b01ec987d97da6b174447d3c5c06e06ca02da63ca27847741499c5315b3e1779924d8ba5
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsciK4rK/5jcAkSYqyEgEEP0Le5ji0hmxNw:A3k03kHRJ+pYqePji0Aj
- TLSH T1D6957C16F6744275D073C0B9C5D2A69AEE7134861B308ACF1389C7282F67BE1DA3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.5MB
- SHA256 fa67fbbfa90c2e91cdc42074fed4800cb35896c1b30b1ba6c5c06e7332a31856
- MD5 40bec99638039b80a85227756d752fa3
- SHA1 17486c83cb20a54a150d0d9897d59330d30c633e
- SHA512 6ecd1314963cf65ed6ccbd9453eee7c9d54ad169c31a14d29a6c279ccf807c8bdd51b97acf08541b8d6af6c549c77cc209505e082d8696c823684cb6833d82f4
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsciK4rK/5jcAkSYqyEgEEP0Le5ji0hmxNe:A3k03kHRJ+pYqePji0AjKPji0Aj
- TLSH T12DC55B16F6744375D073C0B9C5D2A69AEE7134821B308ACB1385C76C2F67BE69A3A731
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.WindowsTerminal_8wekyb3d8bbwe\wt.exe$
- Size 2.2MB
- SHA256 e83db7bec0175828c66ab67ad702d211834e36703fbb974c6914da47fb17847b
- MD5 a75895be4143e9a000783edcaf855871
- SHA1 e104511e26fd9523120110fb41fabb7a440612c0
- SHA512 a0a99848c53805097d20d51e73e7909d3229d29009177461185b86d9bca36301838c6deb63fc52694ede8b4c5ac6f1a394f655d89acfdb3632b035f2e8742ab0
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsciK4rK/5jcAkSYqyEgEEP0Le5ji0hmxND:A3k03kHRJ+pYqePji0AjYi2WH3
- TLSH T11AA58D22F6B44675D073C079C9D2A6AAEE3134421B3086CF1359D72C2F67BE19A3A771
- MD5 SHA1 SHA512 SSDEEP TLSH