Analysis
- max time kernel
128s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/08/2026, 18:10
Behavioral task
behavioral1
Sample
2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.4MB
- Sample260815-wsfexa1eqf
- SHA256 f55c07a3e4425678b1ca2ed35b5844ee4246f11fc0c1d005c55fc4de5f8cc7c2
- MD5 5c523240b35d446fe8fc0e440cd4e1da
- SHA1 4f9c39c5fec4c9d9b5aa8d1597d74ccb2c900f12
- SHA512 16512ae2773c3f2ffa2b73e61df1c220b86bb8527a1dccfb495e00b96c000a8ce8aedc12cee21f1d52c9f4e1941dfb1082ce078184a32d6fda4b227185fa1055
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlBFD8QuZIF5jcAkSYqyE:A3k03kHRJARJ7pYq
- TLSH T19C657C17F6A441B5D063C1B9CAD2AA56FB713846173097CF1398C7292F23BE19E3A361
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 5 IoCs
resource yara_rule behavioral2/memory/4808-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c469-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b305-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4808-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4860-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c469-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b305-11.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4860 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" 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_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 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\:\autorun.inf patcher.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\rmid.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\osmclienticon.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge_pwa_launcher.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE$ 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ExtExport.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeComRegisterShellARM64.exe$ 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\cookie_exporter.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javapackager.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\jjs.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\cookie_exporter.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateOnDemand.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe$ 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE patcher.exe File opened for modification C:\Program Files\dotnet\dotnet.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe$ 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_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\64BitMAPIBroker.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\BHO\ie_to_edge_stub.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_click_helper.exe$ patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe$ 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\grv_icons.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\elevated_tracing_service.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\orbd.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pptico.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe$ patcher.exe File opened for modification C:\Program Files\Windows Media Player\wmpshare.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\notification_helper.exe patcher.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe$ 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\BHO\ie_to_edge_stub.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateSetup.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\java.exe 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe$ 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe$ 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\:\autorun.inf 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 patcher.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Windows\:\autorun.inf patcher.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4808 2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4860 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-15_5c523240b35d446fe8fc0e440cd4e1da_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:4808
-
C:\905c0769f9a06c95a24ddf945\patcher.exeC:\905c0769f9a06c95a24ddf945\patcher.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of SetWindowsHookEx
PID:4860
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.4MB
- SHA256 f55c07a3e4425678b1ca2ed35b5844ee4246f11fc0c1d005c55fc4de5f8cc7c2
- MD5 5c523240b35d446fe8fc0e440cd4e1da
- SHA1 4f9c39c5fec4c9d9b5aa8d1597d74ccb2c900f12
- SHA512 16512ae2773c3f2ffa2b73e61df1c220b86bb8527a1dccfb495e00b96c000a8ce8aedc12cee21f1d52c9f4e1941dfb1082ce078184a32d6fda4b227185fa1055
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlBFD8QuZIF5jcAkSYqyE:A3k03kHRJARJ7pYq
- TLSH T19C657C17F6A441B5D063C1B9CAD2AA56FB713846173097CF1398C7292F23BE19E3A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 1.9MB
- SHA256 30048cd9cf51dacf26ea9e3529683ab0679c5578922b41d5df002771ea8f3499
- MD5 d5eba9f55548c954afe0166be2aa1522
- SHA1 45f9f53db4857efa63b31d84a4fb7002224408fc
- SHA512 79bdeba481a7b41c260b48188846d13a2cf1f987e4ec24662aecc89556ab983aeb751f8952522ef4e97d34e67b12199a85df303dc7ca2cbc1e6ffe16b74b9f1f
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlBFD8QuZIF5jcAkSYqyED0Le5ji0hmxNrM:A3k03kHRJARJ7pYqjPji0Aj
- TLSH T17F956C16F67442B5D073C0B9C5D2AA9AFE71348617308BCB1385C7282F67BE59A3A731
- MD5 SHA1 SHA512 SSDEEP TLSH