Analysis
- max time kernel
122s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 10:02
Behavioral task
behavioral1
Sample
2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 2.4MB
- Sample260820-l3amasthrc
- SHA256 c2511b3facb709323632aeeb8b77de126d7b52b6c7b3837bec83880f5de321c5
- MD5 62855c763bb9d4448d4e19d5effa8d1c
- SHA1 611d3cc8ecf194f54826ee8962a8275bf48c36f8
- SHA512 24c074cec2e8253e03e86bb7b628fc5640151c662909aa54253226e2c79f35e6e8811cbc8f46e47922185e1a254bb6513cf75a2eecee683cd4360ce292d2e860
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l9TRzymqzRoASF5jcAkSYqyE3YTqMi8CtBd2QB:A3k03kHRJBpYqOqJtb2IRpYq
- TLSH T110C56C16F6748675D073C0B9C5D2AA9AFE3134465B308ACB1389C3282F277D6DA3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Custom signatureDetects executables packed with ASPack 5 IoCs
resource yara_rule behavioral2/memory/4928-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000c00000001c540-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b32b-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4928-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/1788-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000c00000001c540-5.dat aspack_v212_v242 behavioral2/files/0x000200000001b32b-11.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 1788 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" 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\dotnet.exe$ 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe$ patcher.exe File created C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaws.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdate.exe$ 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE patcher.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmpshare.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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.NetFX45.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe$ 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdate.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc.exe$ patcher.exe File created C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMHelper.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created 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\bin\javadoc.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe patcher.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\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe patcher.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe$ 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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\Java\jre-1.8\bin\klist.exe$ 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\identity_helper.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdate.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\BHO\ie_to_edge_stub.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE$ 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE patcher.exe File created 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 (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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 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\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe$ patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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 created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\identity_helper.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\Office16\OUTLOOK.EXE$ 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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\Java\jre-1.8\bin\javaw.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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\Office16\PPTICO.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\osmclienticon.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\BHO\ie_to_edge_stub.exe$ 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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.NetFX45.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe patcher.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\jdk-1.8\jre\bin\policytool.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 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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 4928 2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 1788 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_62855c763bb9d4448d4e19d5effa8d1c_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:4928
-
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:1788
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 2.4MB
- SHA256 c2511b3facb709323632aeeb8b77de126d7b52b6c7b3837bec83880f5de321c5
- MD5 62855c763bb9d4448d4e19d5effa8d1c
- SHA1 611d3cc8ecf194f54826ee8962a8275bf48c36f8
- SHA512 24c074cec2e8253e03e86bb7b628fc5640151c662909aa54253226e2c79f35e6e8811cbc8f46e47922185e1a254bb6513cf75a2eecee683cd4360ce292d2e860
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l9TRzymqzRoASF5jcAkSYqyE3YTqMi8CtBd2QB:A3k03kHRJBpYqOqJtb2IRpYq
- TLSH T110C56C16F6748675D073C0B9C5D2AA9AFE3134465B308ACB1389C3282F277D6DA3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.9MB
- SHA256 413535f36d25d4c65012b64d794f2a0336cf25d02d8743c91c31a5eb6377a439
- MD5 aac10d4a31eda984c8fa99b83ff66535
- SHA1 4c8a5a61789520f787c17dfaf4d3245212aa2891
- SHA512 1c114f81ccff4a6ef027f296598848dc808e365ea22c587325e9f48b5181a7df67916eba15b8b250bee8723204d280cb7faf3fe79dc9d3143d9eb29bf50a0f88
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l9TRzymqzRoASF5jcAkSYqyE3YTqMi8CtBd2Q1:A3k03kHRJBpYqOqJtb2IRpYqjPji0Aj
- TLSH T157E54B16F6748775D073C0B9C5D2A69AEE3134825B308ACB1389C7682F277D6DA3A731
- MD5 SHA1 SHA512 SSDEEP TLSH