Analysis
- max time kernel
125s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 19:42
Behavioral task
behavioral1
Sample
2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 3.7MB
- Sample260804-yez89syemf
- SHA256 3f1aaef7b473337f7f9e3aa112ae81f25e08d3a9614b4c97861f62b05d388f74
- MD5 76513ddfce849853b4c3378fa6b7e029
- SHA1 882a4c73056ca4964e1e8d3a645a0993650b8fc4
- SHA512 db9f2632e2771cb234e983d423202bad4a52f6a85000aa3c7342931e000a72f80d66811827107ecb0c9f4bf158cc31a06db0f6604f9abdb2df54a3e7566d037a
- SSDEEP 49152:A3k03kHRJGeW4SkZP4sz9MbkqJtb2IEeW4SkZP4sz9MbE56rapYq:A3k03kHR8fkZckFfkZcBra6
- TLSH T1EE062A16F6788722D0B7C0B9C5D6AA9AFE3238455F308ACB0345D72C2E277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/3672-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c56d-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2bc-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/3672-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/5620-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019cc8-1254.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c56d-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2bc-11.dat aspack_v212_v242 behavioral2/files/0x0003000000019cc8-1254.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 5620 patcher.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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" 2026-08-04_76513ddfce849853b4c3378fa6b7e029_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 2026-08-04_76513ddfce849853b4c3378fa6b7e029_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\jdk-1.8\bin\klist.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\cookie_exporter.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\identity_helper.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\idlj.exe$ 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaws.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_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 opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe$ 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe patcher.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeComRegisterShellARM64.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\idlj.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe$ 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jconsole.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\lyncicon.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe$ 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe$ 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe$ patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\dotnet\dotnet.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.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\idlj.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe$ 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE$ 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge_pwa_launcher.exe patcher.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\Java\jdk-1.8\bin\javapackager.exe$ patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7zG.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\orbd.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe$ patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe$ 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\pipanel.exe patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\Integrator.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe$ 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe$ 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ielowutil.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe$ 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.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 2026-08-04_76513ddfce849853b4c3378fa6b7e029_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 2026-08-04_76513ddfce849853b4c3378fa6b7e029_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 3672 2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 5620 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_76513ddfce849853b4c3378fa6b7e029_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_76513ddfce849853b4c3378fa6b7e029_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:3672
-
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:5620
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 3.7MB
- SHA256 3f1aaef7b473337f7f9e3aa112ae81f25e08d3a9614b4c97861f62b05d388f74
- MD5 76513ddfce849853b4c3378fa6b7e029
- SHA1 882a4c73056ca4964e1e8d3a645a0993650b8fc4
- SHA512 db9f2632e2771cb234e983d423202bad4a52f6a85000aa3c7342931e000a72f80d66811827107ecb0c9f4bf158cc31a06db0f6604f9abdb2df54a3e7566d037a
- SSDEEP 49152:A3k03kHRJGeW4SkZP4sz9MbkqJtb2IEeW4SkZP4sz9MbE56rapYq:A3k03kHR8fkZckFfkZcBra6
- TLSH T1EE062A16F6788722D0B7C0B9C5D6AA9AFE3238455F308ACB0345D72C2E277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 4.2MB
- SHA256 0fbcdc0683c0b77d23ee792d44b592e19a297c02732e0585f0db82f1ad769553
- MD5 eb3ac0c6a0bb9a7c2086dc90def006ed
- SHA1 9e8d8a3e29b639d6ef84559681441f1a6a7353fc
- SHA512 6c43309bc9530b6cfce2cd5d2ccd6a6a115023b5316f03b89a9a25ff91250fc8fa58c849f974712853a6108050d59845eabbe08ea217058fa83935efaf61e077
- SSDEEP 49152:A3k03kHRJGeW4SkZP4sz9MbkqJtb2IEeW4SkZP4sz9MbE56rapYqjPji0Aj:A3k03kHR8fkZckFfkZcBra6Gjo
- TLSH T127261A16F6788732D077C0B9C5D2AA9AFE3234465B308ACB0345D76C2E277D68636736
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$
- Size 3.8MB
- SHA256 b6019c1b052eb09781b60fe6bfef062e37f7d0d758e3664fb1cb5bfa75c69e14
- MD5 0998abd3bbce42236e3547e775fe18da
- SHA1 e8f574c21e369396fb2416e971db83a708b49115
- SHA512 9182afb980f60b83b57d209aaf1b287ccb21e5cb71bf771a38a8c935803a5c854c2dbfd2ee6a549764bf3da5d9c0329824b1d5a2e1d930de040cef70840636e0
- SSDEEP 49152:A3k03kHRJGeW4SkZP4sz9MbkqJtb2IEeW4SkZP4sz9MbE56rapYqt:A3k03kHR8fkZckFfkZcBra6Y
- TLSH T1B7062A16F6788722D0B3C0B9C5D6AA9AFA3238455F308ACB0345E72C2E377D59536736
- MD5 SHA1 SHA512 SSDEEP TLSH