Analysis
- max time kernel
113s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/07/2026, 16:54
Behavioral task
behavioral1
Sample
2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.6MB
- Sample260728-vejpqsad29
- SHA256 5e4267f36945f37775ff326b02a69412ad5a331ef8971ffa2c4425a8c339eba1
- MD5 bf3357b7f3734b86fbc934a50200b60c
- SHA1 a6abea1396c720683db26d2d447d279c0cbc17bc
- SHA512 359b10fbf2c585313190b9a3f0a4871b301f4268b0331073bf6e2292674aa8fe95f9a9d53c5325bf22595603913f6bede7ac54674a128508a8baa9a2f5a438f7
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsiKwtz61/45jcAkSYqyEPCD5TvinrmC:A3k03kHRJgpYqs56rX
- TLSH T19E855B16E6A44BA5D06BC174C9D29656EA333C421F2087DF1354BF293F337D0AA39762
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/5824-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x001100000001c560-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2f2-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5824-21-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/1468-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001a00e-1020.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x001100000001c560-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2f2-11.dat aspack_v212_v242 behavioral2/files/0x000300000001a00e-1020.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 1468 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" 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_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 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_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\Java\jdk-1.8\bin\jabswitch.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe$ 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMHelper.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.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 created C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pubs.exe$ 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge_proxy.exe patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.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}\pj11icon.exe$ 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification 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\bin\jjs.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\BHO\ie_to_edge_stub.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\xjc.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedgewebview2.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\pwahelper.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\jre\bin\orbd.exe$ 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_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.Loader.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe$ patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jstack.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$ 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\javaws.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe$ 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe$ patcher.exe File created C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msoasb.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)\Microsoft\Edge\Application\139.0.3405.125\notification_click_helper.exe$ patcher.exe File opened for modification C:\Program Files\7-Zip\7zG.exe$ 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification 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\javaws.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\mpextms.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\Installer\setup.exe$ patcher.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_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\EdgeCore\122.0.2365.106\notification_click_helper.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_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 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_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 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_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 5824 2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 1468 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-28_bf3357b7f3734b86fbc934a50200b60c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-28_bf3357b7f3734b86fbc934a50200b60c_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:5824
-
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:1468
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.6MB
- SHA256 5e4267f36945f37775ff326b02a69412ad5a331ef8971ffa2c4425a8c339eba1
- MD5 bf3357b7f3734b86fbc934a50200b60c
- SHA1 a6abea1396c720683db26d2d447d279c0cbc17bc
- SHA512 359b10fbf2c585313190b9a3f0a4871b301f4268b0331073bf6e2292674aa8fe95f9a9d53c5325bf22595603913f6bede7ac54674a128508a8baa9a2f5a438f7
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsiKwtz61/45jcAkSYqyEPCD5TvinrmC:A3k03kHRJgpYqs56rX
- TLSH T19E855B16E6A44BA5D06BC174C9D29656EA333C421F2087DF1354BF293F337D0AA39762
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.2MB
- SHA256 2c3d98d12ea96b66a3e437cb2435d8fbdbe701e15a4635dfe5e6efdc1df2110c
- MD5 22f1615f31928e0ca3759a36ff622e82
- SHA1 008b84b9c5063e25f392899e7bf250e5ddf402f1
- SHA512 955c805d60f4feae81d21aa2ad3c2fe2509f8f62d8fd6674a2d9cf49fab32a8fcc1a903afae45d10859a14fcff931cbc116afedc1505dfaad712e83c0a570812
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsiKwtz61/45jcAkSYqyEPCD5TvinrmC0Lu:A3k03kHRJgpYqs56rTPji0Aj
- TLSH T1D6B55B16F6A44B65D06BC075C9D2965AEA323C821F3087CB1355FB283F337D19A3A762
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$
- Size 2.2MB
- SHA256 c6c6258d4f3e1446b82f73b2ca0ba91fe352e7b45560bfada24ac6e335e5f152
- MD5 26dbf2cc95b1de301816278f4943e34f
- SHA1 b2e53ebbf8512c17b2a5bcdab2233dba1738c470
- SHA512 c7c72ea7a4b460867280eb6a63f40e1ab5409e9f0e5c23d28d93ff7b19b3ba38397147c61bbd80a5eea511d4457fb180a54cc701acbc320983c361a27efd9658
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsiKwtz61/45jcAkSYqyEPCD5Tvinrme3NI:A3k03kHRJgpYqs56rB8tDZqrKV
- TLSH T1D5B55A16E6A44BA5D06BC174C9968676FA727C410F3097CB1354FB293F336E0AE39722
- MD5 SHA1 SHA512 SSDEEP TLSH