Analysis
- max time kernel
104s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 09:15
Behavioral task
behavioral1
Sample
2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.9MB
- Sample260802-k79fraga97
- SHA256 bd016e9f9ddf75527265b3562e788c850991dd29a9a3498760a81effddc08a3c
- MD5 031b77e80508d8054994192ac1f5b4f3
- SHA1 a88ea1afd8b7d258f9aabef4b48fb4c78be3ec11
- SHA512 840d1bfa4f8f8981fa520524cc80f5ea7b98ab81a7422388cf24771679170d64c64af906f213594bae4671b2099b761940bb010813cb1ce7dd33279e76c00987
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdocjPXikjKCC3mnXoZ643mnXoZ6iLa5D5Tvx:A3k03kB56rh3k03kB56r
- TLSH T1C7957B13E6850FA5D10F81749A958662EA777C025F2093DF2358AE153F72BC06B3E39B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/3428-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c53d-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b305-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/3428-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4916-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x004d000000018a5b-643.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x00250000000187ef-936.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c53d-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b305-11.dat aspack_v212_v242 behavioral2/files/0x004d000000018a5b-643.dat aspack_v212_v242 behavioral2/files/0x00250000000187ef-936.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4916 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" patcher.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinFirewall = "C:\\905c0769f9a06c95a24ddf945\\patcher.exe" 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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 2026-08-02_031b77e80508d8054994192ac1f5b4f3_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 (x86)\Microsoft\Edge\Application\pwahelper.exe patcher.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javaws.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\ONENOTE.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 (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaws.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\ohub32.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\wordicon.exe$ patcher.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\Mozilla Firefox\crashreporter.exe$ patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmlaunch.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseGPParser.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe patcher.exe File created C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe$ 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.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\Java\jre-1.8\bin\klist.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$ 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeComRegisterShellARM64.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\javap.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmpconfig.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe$ patcher.exe File opened for modification C:\Program Files\7-Zip\7zG.exe$ 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{19C38D80-0C26-4176-9E53-8ABFFD293E4D}\MicrosoftEdge_X64_139.0.3405.125.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\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\Installer\setup.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\pwahelper.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe$ 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\xjc.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe$ patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created 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\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\lyncicon.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge.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\jre\bin\javacpl.exe$ 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_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.ShowHelp.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Drops file in Windows directory 15 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 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\assembly\GAC_MSIL\PresentationFontCache\3.0.0.0__31bf3856ad364e35\PresentationFontCache.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_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$ patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_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\PresentationFontCache\3.0.0.0__31bf3856ad364e35\PresentationFontCache.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\SMSvcHost\3.0.0.0__b03f5f7f11d50a3a\SMSvcHost.exe 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\assembly\GAC_MSIL\SMSvcHost\3.0.0.0__b03f5f7f11d50a3a\SMSvcHost.exe patcher.exe File created 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 patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe patcher.exe File created C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe patcher.exe 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 2026-08-02_031b77e80508d8054994192ac1f5b4f3_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 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3428 2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4916 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_031b77e80508d8054994192ac1f5b4f3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_031b77e80508d8054994192ac1f5b4f3_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:3428
-
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:4916
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.9MB
- SHA256 bd016e9f9ddf75527265b3562e788c850991dd29a9a3498760a81effddc08a3c
- MD5 031b77e80508d8054994192ac1f5b4f3
- SHA1 a88ea1afd8b7d258f9aabef4b48fb4c78be3ec11
- SHA512 840d1bfa4f8f8981fa520524cc80f5ea7b98ab81a7422388cf24771679170d64c64af906f213594bae4671b2099b761940bb010813cb1ce7dd33279e76c00987
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdocjPXikjKCC3mnXoZ643mnXoZ6iLa5D5Tvx:A3k03kB56rh3k03kB56r
- TLSH T1C7957B13E6850FA5D10F81749A958662EA777C025F2093DF2358AE153F72BC06B3E39B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.4MB
- SHA256 d1c7a2f6b5f8c3b5fb8a9de1b2bf42d41c1d814e3a79ccbecf0a66d50df561e1
- MD5 a2cc8a5eae9758fcb2c264a022094c87
- SHA1 79d77043edcd61166698db3caf3dfdc38bf5c430
- SHA512 15c9556d0a5aefcafd2d79c57ee84d7725a4fd3500a712475ebe8c0f6b9614bd4766f5dc89caf639b20d99b6008cac86bf538229c6ee4968b0a547beb0d0b8d1
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdocjPXikjKCC3mnXoZ643mnXoZ6iLa5D5TvV:A3k03kB56rh3k03kB56rEPji0Aj
- TLSH T1FAC55B17E6940FA5D01FC174C6D69666EA733C421F2097CB1354EE283F62BD0AA3A367
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jre-1.8\bin\keytool.exe$
- Size 1.9MB
- SHA256 49e38fca6e5ae67de15f594cf6046880605d7d3d142b3b0ea174982269bdd383
- MD5 5c2337017d094b11b45e237ab5138bca
- SHA1 299c69cb722abd30a87cc765a881d0aa978ff982
- SHA512 07f1eabc7fad1be0dca3f5bcd963eed0b65e8a279c18d943300e495af1d3b38339ad82e492e99866404ebab643180876e63c2a15db07a68848c322c839087314
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdocjPXikjKCC3mnXoZ643mnXoZ6iLa5D5TvW:A3k03kB56rh3k03kB56rx
- TLSH T152957B13E6840FA5D10F81749A964662EA777C025F6093DF2358AE153F72BC06B3E39B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$
- Size 1.9MB
- SHA256 c646515826e2caf33fa9dc87894b224ce120011d1388b9ad64692436c26aecb9
- MD5 8381bd9a246a0a51a1f454721d737159
- SHA1 9eb515677a82692e4c9437e31d87a2efd5e6c7ad
- SHA512 f00e4012da9c5ad5ee5e749ed9bb738d6be26bf1fdfa0e4ef6722cc1df5aead3cfe9addc5769c7bf209d6db9f3cd3caf734eeb3968c73f6a9644d18c9c9cdf84
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdocjPXikjKCC3mnXoZ643mnXoZ6iLa5D5Tvb:A3k03kB56rh3k03kB56rM
- TLSH T157957C03E6950FA5D10F81709A954662EA777C421F2097EF2358BE253F72BC06B3A397
- MD5 SHA1 SHA512 SSDEEP TLSH