Analysis
- max time kernel
110s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 23:48
Behavioral task
behavioral1
Sample
2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 2.5MB
- Sample260816-3tw8dack6x
- SHA256 d202de42d0d382bb696b8af1709a9edb531ae1bfd1f493bf5c671fb4441a56b2
- MD5 1264cb37b65471a84d7aa37359f8dca0
- SHA1 07c5696d5753721212a1c24a2172dafa146f31aa
- SHA512 a458b9296be7ebf4b71ae89ae3ad91613e3bd0d6dfeae7b35dc88efad3d1684a08061f201595e7018499059c69f7ea731765ed88fa7d8000f535f64e66f3c32a
- SSDEEP 49152:A3k03kD4U2v+Y56rbeW4SkZP4sz9MbkqJtb2I:A3k03kc/vYr7fkZck
- TLSH T147C54B16F6788732D077C079CAD6AA99FA7238414F308BCB13459B2C3F276D19636726
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 8 IoCs
resource yara_rule behavioral2/memory/4176-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c4b0-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000008f2c-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4176-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4884-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019919-362.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001a8a4-1103.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019ef7-1105.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c4b0-5.dat aspack_v212_v242 behavioral2/files/0x0003000000008f2c-11.dat aspack_v212_v242 behavioral2/files/0x0003000000019919-362.dat aspack_v212_v242 behavioral2/files/0x000300000001a8a4-1103.dat aspack_v212_v242 behavioral2/files/0x0003000000019ef7-1105.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" 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_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 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_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)\Microsoft\EdgeCore\122.0.2365.106\identity_helper.exe$ patcher.exe File opened for modification 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\bin\jabswitch.exe patcher.exe File opened for modification C:\Program Files\Windows Defender\mpextms.exe 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_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\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\Installer\setup.exe$ patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\orbd.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 (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeComRegisterShellARM64.exe$ 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\MicrosoftEdgeUpdate.exe$ 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_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\Common Files\microsoft shared\ink\TabTip.exe 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.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\{90160000-000F-0000-1000-0000000FF1CE}\lyncicon.exe$ 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created 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\Java\jdk-1.8\bin\javap.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.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\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe$ patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe$ 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe patcher.exe File created C:\Program Files\7-Zip\Uninstall.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\Installer\setup.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\Java\jdk-1.8\bin\jstat.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateOnDemand.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdate.exe$ 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\msinfo32.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\Installer\setup.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 (x86)\Microsoft\Edge\Application\139.0.3405.125\BHO\ie_to_edge_stub.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 (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateOnDemand.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge_proxy.exe patcher.exe File created C:\Program Files\7-Zip\7zG.exe 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe$ 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe$ patcher.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\:\autorun.inf patcher.exe File opened for modification C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe 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 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_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:\Windows\:\autorun.inf patcher.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4176 2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4884 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-16_1264cb37b65471a84d7aa37359f8dca0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-16_1264cb37b65471a84d7aa37359f8dca0_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:4176
-
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 2.5MB
- SHA256 d202de42d0d382bb696b8af1709a9edb531ae1bfd1f493bf5c671fb4441a56b2
- MD5 1264cb37b65471a84d7aa37359f8dca0
- SHA1 07c5696d5753721212a1c24a2172dafa146f31aa
- SHA512 a458b9296be7ebf4b71ae89ae3ad91613e3bd0d6dfeae7b35dc88efad3d1684a08061f201595e7018499059c69f7ea731765ed88fa7d8000f535f64e66f3c32a
- SSDEEP 49152:A3k03kD4U2v+Y56rbeW4SkZP4sz9MbkqJtb2I:A3k03kc/vYr7fkZck
- TLSH T147C54B16F6788732D077C079CAD6AA99FA7238414F308BCB13459B2C3F276D19636726
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 3.0MB
- SHA256 d0321933986124663699c55fb688872fc1c1b6ecdb0748d4c2a1167da2ff7d0d
- MD5 d2b45021d8c3e35d2cdd7f9cfbcd8217
- SHA1 37386da54292f84f6f743c449c5e77ae72440ff9
- SHA512 ca155aae69cf5b27514aa07a281cdb3dbcea9c1dcf70a6baaf57fd9b87e6fa4743da1a758bfbd086d30dc8542d48abf5d20feba718794499dfcf9986498b656c
- SSDEEP 49152:A3k03kD4U2v+Y56rbeW4SkZP4sz9MbkqJtb2IQPji0Aj:A3k03kc/vYr7fkZckZjo
- TLSH T173E53916F6788732D077C079C5D6AA9AFA7238425F308ACB03459B2C3F276D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\kinit.exe
- Size 2.5MB
- SHA256 3d687367196610177f7b83c944f51bb79667e6d275226a76ad22bace6ea18ecd
- MD5 fe1b1f34f9c6810877f58a7ad8c8a9c5
- SHA1 0144ca70cc5b0121b5f85c324732e20711995b2a
- SHA512 28ba42f7aacd7db5d0f25e9057666040704ff3f4c8c41084e690e37507f6412201b502b942bc1e6c857931d57060fd12be0097047bbe49acce6809b7542a00fc
- SSDEEP 49152:A3k03kD4U2v+Y56rbeW4SkZP4sz9MbkqJtb2ID:A3k03kc/vYr7fkZck8
- TLSH T1DFC54B16F6788732D077C079CAD6AA99FA7238414F308BCB13459B2C3F276D19636726
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe
- Size 2.5MB
- SHA256 9a492c2c92170797fb2e7952532356eb14476f17e7436a779b8ec3c2ca24ee1b
- MD5 c7a4939188cb950dff9bca296ff5fbc7
- SHA1 19ff478b40c622f200669b1092b94a0c7b135414
- SHA512 2194effed630e81ffdb27804d8005d830e66d6b97a865f4bf8c867b2fd1be04eb976903e1a9bea6948c763d522a09e37fe35391821c012daa995a8c2263d83a7
- SSDEEP 49152:A3k03kD4U2v+Y56rbeW4SkZP4sz9MbkqJtb2IS:A3k03kc/vYr7fkZckF
- TLSH T124C54B16F6788732D077C079C6D6AA9AFA7238415F308BCB03459B2C3F276D19636726
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe$
- Size 2.5MB
- SHA256 ef8bd09f9228d31ddb7bcdb04461d23ad68cf8c6848558744d804e2814ef45ad
- MD5 670ee01e89391049520b3814cd5faefc
- SHA1 b82745d6604b09d3539e1c0538e9371f3bced9e2
- SHA512 d7ef6815bc0467202c01ba639dd188d166e98129aa22becafa6fe7646a192f6d06f10bb7306f784d4de5d794368562c303945338ab56461fde930b4d9f263360
- SSDEEP 49152:A3k03kD4U2v+Y56rbeW4SkZP4sz9MbkqJtb2I7Y:A3k03kc/vYr7fkZckT
- TLSH T1C6C54B16F6788732D077C079CAD6AA99FA7238414F308BCB13459B2C3F276D19636726
- MD5 SHA1 SHA512 SSDEEP TLSH