Analysis
- max time kernel
99s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 18:14
Behavioral task
behavioral1
Sample
2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.6MB
- Sample260803-wvcf2ade55
- SHA256 be3108c4c8960772feb0836bf0f6dd9ac4b46712acf045dad794014b99af09dc
- MD5 4fd627fefd79c1473b2f0670516606a2
- SHA1 91ebe3679e7ccc253e9fa2a880e37ed5df24fb41
- SHA512 d7fbb4bb9cb6098d53175582b65c58b2b1ff91b211f3942b9216f11acdaefa74e8f3f3db370060ecc6c9d74a688ce8c9f497a10e02bb759bce09c6027125c9ba
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEaggD5TvinrmbP0Le5ji0hmxNrM:A3k03kHRJARJ556r0Pji0Aj
- TLSH T1A7755A16F6A84BA5D06BC178C5D29656EA733C420F3097CB03549E293F77BD19E3A322
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 5 IoCs
resource yara_rule behavioral2/memory/4756-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c544-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2d6-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4756-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/5100-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c544-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2d6-11.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 5100 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" 2026-08-03_4fd627fefd79c1473b2f0670516606a2_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 2026-08-03_4fd627fefd79c1473b2f0670516606a2_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 created C:\Program Files\Java\jdk-1.8\bin\jhat.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\orbd.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe$ 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\msoia.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmplayer.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)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe patcher.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\ohub32.exe patcher.exe File created C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe patcher.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe$ 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\schemagen.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe$ 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe patcher.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe$ 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.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\jdk-1.8\bin\javac.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jdb.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_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}\xlicons.exe$ patcher.exe File opened for modification C:\Program Files\Windows Mail\wab.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE 2026-08-03_4fd627fefd79c1473b2f0670516606a2_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.ShowHelp.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pj11icon.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe patcher.exe File opened for modification C:\Program Files\Windows Defender\MpCopyAccelerator.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE 2026-08-03_4fd627fefd79c1473b2f0670516606a2_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\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$ patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\javac.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jinfo.exe 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe patcher.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 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language patcher.exe - NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\:\autorun.inf patcher.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4756 2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 5100 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_4fd627fefd79c1473b2f0670516606a2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_4fd627fefd79c1473b2f0670516606a2_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:4756
-
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:5100
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.6MB
- SHA256 be3108c4c8960772feb0836bf0f6dd9ac4b46712acf045dad794014b99af09dc
- MD5 4fd627fefd79c1473b2f0670516606a2
- SHA1 91ebe3679e7ccc253e9fa2a880e37ed5df24fb41
- SHA512 d7fbb4bb9cb6098d53175582b65c58b2b1ff91b211f3942b9216f11acdaefa74e8f3f3db370060ecc6c9d74a688ce8c9f497a10e02bb759bce09c6027125c9ba
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEaggD5TvinrmbP0Le5ji0hmxNrM:A3k03kHRJARJ556r0Pji0Aj
- TLSH T1A7755A16F6A84BA5D06BC178C5D29656EA733C420F3097CB03549E293F77BD19E3A322
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.1MB
- SHA256 167a82f892b6b9e53123b016c0305bd48b20176775204a055ba531088650b971
- MD5 126e2fa15eda16db8f2a3901bfb5af39
- SHA1 762ac9e0dcb1b44a94600c7c46d340639ce8cb76
- SHA512 0e9815a9773b30fd997d6299def11b6fb9f85d32e693e0961846303977830bf063af0cbf8875af6e888c7713580944c4039386e669ba3a70bff5919845734fcd
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEaggD5TvinrmbP0Le5ji0hmxNrMD0Le5b:A3k03kHRJARJ556r0Pji0AjKPji0Aj
- TLSH T166A54B16F6684775D07BC079C5D2965AEA723C410F308BCB0395DB283F27BE59A3A722
- MD5 SHA1 SHA512 SSDEEP TLSH