Analysis
- max time kernel
118s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/08/2026, 21:32
Behavioral task
behavioral1
Sample
2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.4MB
- Sample260817-1d4w6shr21
- SHA256 1e8b96fb9deb195a17107278a20109151f1ba80f07765ac3984af323295d07a1
- MD5 b4efdc864e69586c94245fdb18ab6ee5
- SHA1 4357468138110302a9673ba62f13c7ad5e9e48f2
- SHA512 c6888a415f77c15a0e5edcfe30a393a587fd35a15383412f19686615cceefbd66fd1bd939ec74cdadf76497b3efe4ed5d602818254feae533322bb3050bc48ee
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlPooFqpA255jcAkSYqyE:A3k03kHRJARJipYq
- TLSH T15F657C17F6A841B5D067C1B9CAD29A56FB313846073097CF1398C7292F63BE19E3A361
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/2836-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c350-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b305-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/2836-21-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4884-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x00030000000198e3-295.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c350-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b305-11.dat aspack_v212_v242 behavioral2/files/0x00030000000198e3-295.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4884 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" 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_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:\Windows\:\autorun.inf patcher.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_pwa_launcher.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe$ 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification 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 (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe$ patcher.exe File created C:\Program Files (x86)\Common Files\Java\Java Update\jaureg.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\jre-1.8\bin\javaws.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE$ 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pptico.exe$ 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe$ 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Windows Media Player\wmlaunch.exe patcher.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ExtExport.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\EdgeWebView\Application\122.0.2365.106\cookie_exporter.exe patcher.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.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\jre-1.8\bin\java.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\rmid.exe patcher.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 (x86)\Windows Media Player\wmplayer.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE patcher.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\Windows Media Player\wmpnetwk.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaw.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\Installer\setup.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\elevation_service.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmlaunch.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\javaw.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\MsMpEng.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.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$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\wsgen.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE$ 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe$ 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_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 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_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 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_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 2836 2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4884 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-17_b4efdc864e69586c94245fdb18ab6ee5_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:2836
-
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:4884
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.4MB
- SHA256 1e8b96fb9deb195a17107278a20109151f1ba80f07765ac3984af323295d07a1
- MD5 b4efdc864e69586c94245fdb18ab6ee5
- SHA1 4357468138110302a9673ba62f13c7ad5e9e48f2
- SHA512 c6888a415f77c15a0e5edcfe30a393a587fd35a15383412f19686615cceefbd66fd1bd939ec74cdadf76497b3efe4ed5d602818254feae533322bb3050bc48ee
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlPooFqpA255jcAkSYqyE:A3k03kHRJARJipYq
- TLSH T15F657C17F6A841B5D067C1B9CAD29A56FB313846073097CF1398C7292F63BE19E3A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 1.9MB
- SHA256 f57dedc9e0c34513818021fe7419f1c202daeaeb07b4f1b72309b88df730468f
- MD5 91636cbf6d6b028122e66104a08c7acd
- SHA1 23fcdcb0eee2b3a48ba2ce199f23b092172ff385
- SHA512 d5c14d73a0e5aa2d344798cf9a3a497e7ef0c948e89b911a74fa4798d8b46f62fff449c681f393085635c559b909a21eda190c21046273728b3742d424a8bcc1
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlPooFqpA255jcAkSYqyED0Le5ji0hmxNrM:A3k03kHRJARJipYqjPji0Aj
- TLSH T169956C16F66442B5D073C0B9C5D2AA9AFE71348617308BCF1385C7282F67BE59A3A731
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\jhat.exe
- Size 1.4MB
- SHA256 b9637bb70d52e6d9a1a7ff39f69be272328971942a2193670db44b2b52bf5d8f
- MD5 eefa4d31f8a30bad9330ea21ee644afa
- SHA1 069bbd72fac525ea934f16bc5307a8e685bca0d8
- SHA512 10798bf6b098d996628596b01af9aa52d8453fb1e8460bc87e5826199d44ee25d927f4e4c579257d1bb3f1b2b9058478fc2efed8752781702554a8a9ec8023c2
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlPooFqpA255jcAkSYqyEeF:A3k03kHRJARJipYqi
- TLSH T1DE658C17F6A841B5D067C1B9CAD29A56FB313846173097CF1388C7292F63BE19E3A361
- MD5 SHA1 SHA512 SSDEEP TLSH