Analysis
- max time kernel
105s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 17:33
Behavioral task
behavioral1
Sample
2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.0MB
- Sample260804-v43txattg1
- SHA256 4406d72877424e3030ef271d5202d829bef6f1beed90715d99e0cc415afe6ba7
- MD5 f0ac72af073bfe0bf6c1d1b2557605de
- SHA1 b1cf4310ad9a0b31df466e170588d56d361da7c9
- SHA512 01e77f7fb89c21cf7c5f4565289fb8e24b1e499b9319aa83d5a9205d12fe5c2220567bddca8da8343e6b96cf116141dd1f916567c3c204c8944504adcfacf0a4
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UN7e/1F:A3k03kB56rC
- TLSH T16B355A03E6950FA5D64F81309E964662EA377D821F2097EF2358BF253F327C06A39257
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/4456-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c4c1-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b313-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4456-33-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3528-40-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000400000001bb2b-236.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c4c1-5.dat aspack_v212_v242 behavioral2/files/0x000200000001b313-11.dat aspack_v212_v242 behavioral2/files/0x000400000001bb2b-236.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3528 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_f0ac72af073bfe0bf6c1d1b2557605de_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_f0ac72af073bfe0bf6c1d1b2557605de_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)\Common Files\Adobe\ARM\1.0\AdobeARM.exe$ patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.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\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_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}\accicons.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\joticon.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javah.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmprph.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe patcher.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\javacpl.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE patcher.exe File opened for modification C:\Program Files\Windows Defender\DlpUserAgent.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedgewebview2.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\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdate.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\jdk-1.8\bin\javafxpackager.exe$ 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.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\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE patcher.exe File opened for modification C:\Program Files\Windows Defender\MpCopyAccelerator.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jdeps.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe patcher.exe File created 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)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeComRegisterShellARM64.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateBroker.exe$ patcher.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\jdk-1.8\jre\bin\unpack200.exe$ patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMHelper.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\pwahelper.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javapackager.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe$ patcher.exe File created C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.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\Windows Defender\Offline\OfflineScannerShell.exe 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\notification_helper.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 patcher.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_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 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_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 4456 2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3528 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_f0ac72af073bfe0bf6c1d1b2557605de_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:4456
-
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:3528
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.0MB
- SHA256 4406d72877424e3030ef271d5202d829bef6f1beed90715d99e0cc415afe6ba7
- MD5 f0ac72af073bfe0bf6c1d1b2557605de
- SHA1 b1cf4310ad9a0b31df466e170588d56d361da7c9
- SHA512 01e77f7fb89c21cf7c5f4565289fb8e24b1e499b9319aa83d5a9205d12fe5c2220567bddca8da8343e6b96cf116141dd1f916567c3c204c8944504adcfacf0a4
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UN7e/1F:A3k03kB56rC
- TLSH T16B355A03E6950FA5D64F81309E964662EA377D821F2097EF2358BF253F327C06A39257
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 1.6MB
- SHA256 de38b8c19c2ced4183fec73e4f1b547692592f2c9bd05ea23c9d3aebaf615c46
- MD5 e45107bb3040e9e7bb2fe07c3fcaf0e5
- SHA1 da9524a984963a619d10e9949d2f2e38eec23dbb
- SHA512 ceea31d93791011bb40b2d1190cea1892399c310bc58c872d34a7c291aea13d9c92a8f5ce5c6a5c2859f4bf55d84ad6177ec0bd0cd054463722078ffdb099a75
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UN7e/1B0Le5ji0hmxNrM:A3k03kB56rCPji0Aj
- TLSH T150754A16E6A44B65D06BC074C9D69666EA333C821F3087DB1354BF283F337D1A63A762
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\javap.exe
- Size 1.0MB
- SHA256 4ad3e2cf4ff9da641d41c963d6af9bdf919edc0c441575228afb5bd43d0d5964
- MD5 96252b446b86152b2dd4d638fa23b8b8
- SHA1 dab9e6c9d3731af00c15a0abaf61a5f5e5f0e7e5
- SHA512 85a1da71ef3e33318ca82ed022729be197644130cd8b4be6134e1178d4184bbc21f827d7ade13953a2cae10195cd2739b8a897d4f52722faa3d39f35254fb34d
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UN7e/1Ou:A3k03kB56rW
- TLSH T17D355A03E6950FA5D64F81309E954662EA377D821F2097EF2358BF253F327C06A39297
- MD5 SHA1 SHA512 SSDEEP TLSH