Analysis
- max time kernel
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 17:30
Behavioral task
behavioral1
Sample
2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.8MB
- Sample260805-v249yssblc
- SHA256 09e67f06c64fdfd3707554905b20e43bbbd697ebe0e2586a6ce645a32f0d7ef5
- MD5 c99dde95ce751e3187646614d56426e6
- SHA1 772436f75159c2266cf44f26ed6cd6b9c7300b88
- SHA512 02e02e59c1ce4cc08a4de33f8d3ed81d4f6a21b262788030e6f89c8acdbba775cb185fde3c6a6847bec7dd8f27ca5c925437140dd62a2ec313b6a83dcb7d3598
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYipkZ45F3mnXoZ643mnXoZ6iLa5D5T6:A3k03kB56rx3k03kB56rt
- TLSH T110957B03E6940FA4D10F81749A964662EA777C025F2097DF2358AE153F72BD0AB3E397
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/2884-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c4ab-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b313-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/2884-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3600-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0005000000019cb3-1292.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c4ab-5.dat aspack_v212_v242 behavioral2/files/0x000200000001b313-11.dat aspack_v212_v242 behavioral2/files/0x0005000000019cb3-1292.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3600 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" 2026-08-05_c99dde95ce751e3187646614d56426e6_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 2026-08-05_c99dde95ce751e3187646614d56426e6_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\jmap.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE patcher.exe File opened for modification C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\servertool.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\outicon.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_128796\javaw.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\identity_helper.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\cookie_exporter.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_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$ 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Mozilla Firefox\private_browsing.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\notification_helper.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe$ 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Java\Java Update\jaureg.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\pipanel.exe patcher.exe File created C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.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 (x86)\Microsoft\EdgeCore\122.0.2365.106\notification_helper.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe$ patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_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\Microsoft Office\root\Office16\misc.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE patcher.exe File created 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}\osmadminicon.exe$ 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe$ 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe patcher.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe$ 2026-08-05_c99dde95ce751e3187646614d56426e6_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\keytool.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.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\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\grv_icons.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Java\Java Update\jaureg.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_helper.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe$ 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\elevation_service.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe$ 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_click_helper.exe patcher.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-05_c99dde95ce751e3187646614d56426e6_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 2026-08-05_c99dde95ce751e3187646614d56426e6_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 2026-08-05_c99dde95ce751e3187646614d56426e6_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 2884 2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3600 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-05_c99dde95ce751e3187646614d56426e6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_c99dde95ce751e3187646614d56426e6_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:2884
-
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:3600
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.8MB
- SHA256 09e67f06c64fdfd3707554905b20e43bbbd697ebe0e2586a6ce645a32f0d7ef5
- MD5 c99dde95ce751e3187646614d56426e6
- SHA1 772436f75159c2266cf44f26ed6cd6b9c7300b88
- SHA512 02e02e59c1ce4cc08a4de33f8d3ed81d4f6a21b262788030e6f89c8acdbba775cb185fde3c6a6847bec7dd8f27ca5c925437140dd62a2ec313b6a83dcb7d3598
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYipkZ45F3mnXoZ643mnXoZ6iLa5D5T6:A3k03kB56rx3k03kB56rt
- TLSH T110957B03E6940FA4D10F81749A964662EA777C025F2097DF2358AE153F72BD0AB3E397
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.4MB
- SHA256 369bd80172260d763728b54cb8e3989db7b2770d35724c3780f0fced05e2f807
- MD5 becfeef974a6f67d61f2e0b1b3c0cb3b
- SHA1 cb3b33ec090afcb9f231ab61a34f902c5feb954c
- SHA512 4d959e65b00848133ba159baf1ba295979065a31688f9fb8cabff39b0d498000fe5b71ac87cc7f40a4bbab1b99b60a898c731a19f33f52895a2f83baff0f0185
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYipkZ45F3mnXoZ643mnXoZ6iLa5D5Tj:A3k03kB56rx3k03kB56rUPji0Aj
- TLSH T1FDB55B17E6A40FA5D02FC174C5D65666EA733C421F2097CB1354AE283F72BD0AA3A367
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\crashreporter.exe$
- Size 1.9MB
- SHA256 d4389e9d022bd1c1ac155be0b7d64af2993dcfc61a30ea5da24266c54d5c4218
- MD5 f257b98e27be963093b67e157380dbfd
- SHA1 904d399754bf73dbee312901df38ac578795c498
- SHA512 c22bf3ac65e23de6ffcafa1bf8e79bd9a6ad5e9e0f047c66f47b62a974c0e574bd6ea208fe3b7a4b943e18968e6de05754c27204a45e921d0c011c134e135a99
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYipkZ45F3mnXoZ643mnXoZ6iLa5D5TZ:A3k03kB56rx3k03kB56r8
- TLSH T108956B03E6940FA5D14F81709A964662EA777C421F2097DF2358BE253F72BC06B3A397
- MD5 SHA1 SHA512 SSDEEP TLSH