Analysis
- max time kernel
111s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
11/08/2026, 13:47
Behavioral task
behavioral1
Sample
2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.7MB
- Sample260811-q3phnsfl41
- SHA256 8735dab3583c8771ba830e30bd025cb5d28d6ebd46a940ab9e1136c5ba32f391
- MD5 43c0ad34ea2e4ae20f8886fe564e2299
- SHA1 328fa4ab7e9a396b7a405ee9fe57e1a342830006
- SHA512 22cc46994c391555f853b7e4a2249820e7dc697741beebe38e7702078244df001e6254098bd0c55d5bac81c56065b08b46ddaa1e8e340cfddf01cde4c94fd52b
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GSWQ65UDapF5jcAkSYqyEPCD5Tvinrmb:A3k03kHRJEpYqs56r
- TLSH T15C855A12E6A44BA5D06BC174C9D69656EA333C421F2087DF1358BF293F337D0AA39762
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/4856-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c4eb-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2d6-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4856-21-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/2432-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x00030000000198f3-325.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c4eb-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2d6-11.dat aspack_v212_v242 behavioral2/files/0x00030000000198f3-325.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 2432 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" 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_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 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_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\Common Files\microsoft shared\ClickToRun\appvcleaner.exe$ patcher.exe File created C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_122734\javaw.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe$ 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_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}\pubs.exe$ 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.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 (x86)\Internet Explorer\ieinstal.exe patcher.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe$ 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe$ 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe$ 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe$ 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_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\Microsoft Office\root\Office16\msoev.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jstatd.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_pwa_launcher.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaws.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\elevation_service.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\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe$ 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\pack200.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jjs.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe$ 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe$ 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.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\Office16\SDXHelper.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7zG.exe$ 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_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}\visicon.exe$ patcher.exe File opened for modification C:\Program Files\Windows Defender\mpextms.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.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_disable\1.3.195.65\MicrosoftEdgeUpdateSetup.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\ktab.exe 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_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 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_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:\Windows\:\autorun.inf patcher.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4856 2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 2432 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-11_43c0ad34ea2e4ae20f8886fe564e2299_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:4856
-
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:2432
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.7MB
- SHA256 8735dab3583c8771ba830e30bd025cb5d28d6ebd46a940ab9e1136c5ba32f391
- MD5 43c0ad34ea2e4ae20f8886fe564e2299
- SHA1 328fa4ab7e9a396b7a405ee9fe57e1a342830006
- SHA512 22cc46994c391555f853b7e4a2249820e7dc697741beebe38e7702078244df001e6254098bd0c55d5bac81c56065b08b46ddaa1e8e340cfddf01cde4c94fd52b
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GSWQ65UDapF5jcAkSYqyEPCD5Tvinrmb:A3k03kHRJEpYqs56r
- TLSH T15C855A12E6A44BA5D06BC174C9D69656EA333C421F2087DF1358BF293F337D0AA39762
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.2MB
- SHA256 e3577f47f2f30960ffd202e9ccac37fecfd45cb9abb72b370736a1081c8b5778
- MD5 fc761b2ee0f63eb0bdd86955ab2a08d6
- SHA1 8e3d5724542cb3b586745745a63df286d4c64afe
- SHA512 6c61d8c956a879c697e43d5feda009c9dd34793211e5eb028d306d80cfc053708aebc93ead12573205303860fd51f2de7d20c9694d6d330aa82cf66e01d61f29
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GSWQ65UDapF5jcAkSYqyEPCD5Tvinrmbb:A3k03kHRJEpYqs56r0Pji0Aj
- TLSH T136B55B16F6A44B65D06BC075C9D29656EA323C821F308BCB1355FB283F337D19A3A762
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe
- Size 1.7MB
- SHA256 89c9cb73f146055828e2cdabacaf12cd555d3cb66b97e706f18a2385da10b00d
- MD5 161e743cf59c8868bd5d05df09647e89
- SHA1 cf64917753499533a873831e69f6dd96bb16646d
- SHA512 278bf443d06ee9690fe54b890e80b31a8f758254bb11086589bd56c8320c034ae109972a1338246c5cc40f25420f0c721e4c157a57e5de53dc32840af6d99ee3
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GSWQ65UDapF5jcAkSYqyEPCD5Tvinrmbl:A3k03kHRJEpYqs56rs
- TLSH T10B855A12E6A44BA5D06BC174C9D69656EA333C421F2087DF1358BF293F337D0AA39762
- MD5 SHA1 SHA512 SSDEEP TLSH