Analysis
- max time kernel
101s - max time network
129s - 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, 14:44
Behavioral task
behavioral1
Sample
2026-08-03_4c921846b7d916893166784af5c0840f_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_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.4MB
- Sample260803-r4gpwsscmd
- SHA256 16436b2cdf353c2b4a1135304fbc62225e75d4f673b55211d14b34e5a7c3e2c4
- MD5 4c921846b7d916893166784af5c0840f
- SHA1 f534eafcf32a8a4392339e3117349354bd13208c
- SHA512 d35de70aa18e416048facfc08ba3cc097e175ac873c06fd7244d36c6193299dd8a8c83e07b3379076d9025aca2fd74af65049467cb8a30a2f6a608d9bcd0ad4d
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEacLaEQRQI3a45jcAkSYqyE:A3k03kHRJARJjpYq
- TLSH T14B657B17F7A441B5D067C178CAD2AA56EB72384607309BCF1394D7292F23BE19E3A361
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/5168-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c629-6.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2b0-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5168-105-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4404-166-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000a0000000198c3-318.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c629-6.dat aspack_v212_v242 behavioral2/files/0x000300000001b2b0-11.dat aspack_v212_v242 behavioral2/files/0x000a0000000198c3-318.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4404 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" 2026-08-03_4c921846b7d916893166784af5c0840f_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_4c921846b7d916893166784af5c0840f_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\jre\bin\jjs.exe patcher.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 (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe$ 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE$ 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe$ 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\AppVLP.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\pwahelper.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\servertool.exe patcher.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\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe$ patcher.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\Office16\ONENOTEM.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\Java\jdk-1.8\bin\wsimport.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE$ 2026-08-03_4c921846b7d916893166784af5c0840f_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 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseGPParser.exe patcher.exe File opened for modification C:\Program Files (x86)\Internet Explorer\iexplore.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created 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)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe$ 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\lyncicon.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe 2026-08-03_4c921846b7d916893166784af5c0840f_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\VideoLAN\VLC\vlc-cache-gen.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_helper.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe$ 2026-08-03_4c921846b7d916893166784af5c0840f_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\VPREVIEW.EXE$ 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\notification_helper.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateComRegisterShell64.exe patcher.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeComRegisterShellARM64.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe$ 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\identity_helper.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe$ 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe$ 2026-08-03_4c921846b7d916893166784af5c0840f_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 created C:\Program Files\Microsoft Office\root\Office16\msoev.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\accicons.exe patcher.exe - Drops file in Windows directory 16 IoCs
description ioc Process File opened for modification C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe$ 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe patcher.exe File created C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe$ 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\:\autorun.inf patcher.exe File created C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe$ 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.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 patcher.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-03_4c921846b7d916893166784af5c0840f_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 5168 2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4404 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_4c921846b7d916893166784af5c0840f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_4c921846b7d916893166784af5c0840f_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
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of SetWindowsHookEx
PID:5168
-
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:4404
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.4MB
- SHA256 16436b2cdf353c2b4a1135304fbc62225e75d4f673b55211d14b34e5a7c3e2c4
- MD5 4c921846b7d916893166784af5c0840f
- SHA1 f534eafcf32a8a4392339e3117349354bd13208c
- SHA512 d35de70aa18e416048facfc08ba3cc097e175ac873c06fd7244d36c6193299dd8a8c83e07b3379076d9025aca2fd74af65049467cb8a30a2f6a608d9bcd0ad4d
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEacLaEQRQI3a45jcAkSYqyE:A3k03kHRJARJjpYq
- TLSH T14B657B17F7A441B5D067C178CAD2AA56EB72384607309BCF1394D7292F23BE19E3A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 1.9MB
- SHA256 57fe388e81c570fd5583de4dc068626728ed62c8c7008fac21b657d10885b706
- MD5 c983dc167462da3b0f5e2942139c0fbc
- SHA1 73297c52c291ebe184b8bfe03ebb54135de7f87f
- SHA512 8646adb685cb0772534105752355b167c4a24f2c54b916f6e491529b80febfbeb2aacd9da03837a1d1b5ddb1261e8c1dc4b6e3e25c3048667b0c25539ae8e094
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEacLaEQRQI3a45jcAkSYqyED0Le5ji0hJ:A3k03kHRJARJjpYqjPji0Aj
- TLSH T1C3956B16F66442B5D073C0B9C5D2AA9AEE72344207308BCF1395D7682F27BE5DA3A731
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe$
- Size 1.4MB
- SHA256 e3be7a59e26c1d9ec1eda5b17b381356ece77db9806d4ec5b626e1ba120fc8dd
- MD5 bb1eebdf2d9ae68c2dd3e0d947ceeed2
- SHA1 5c4d2b1092130814a27e9a5f442b32bbad372753
- SHA512 d18352875e733e095e274e97560fdef14f8b57f364876982f715170c9d107add490740999961b38007172dfe288fd4282143a121fe07a1d82d39e91d6f60cb7b
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEacLaEQRQI3a45jcAkSYqyEUb:A3k03kHRJARJjpYq6
- TLSH T160657C17F7A841B5D067C178CAD2AA56EB72384607309BCF1394D7292F23BD19E3A361
- MD5 SHA1 SHA512 SSDEEP TLSH