Analysis
- max time kernel
117s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/08/2026, 14:25
Behavioral task
behavioral1
Sample
2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 3.5MB
- Sample260818-rrmelsteph
- SHA256 5d32da1eb18bb0cc328e856ddeea0c621adef35c696a1a31ea43f59b0e8a9874
- MD5 e66ba60957502e4483757211014e1334
- SHA1 84ef6618fb997e8769417753076a0f63ad0ec6e5
- SHA512 681e8b999affa72d6655529667ea1c94def8f686e7a811d595713faad95381b0fef92b0ecfccd99bdfcfdc6d83f1450061e5b24a22324be253025114e8f02532
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsyKaohcqpHfwcYTqMi8CtBd2QHCHmTBW5z:A3k03kHRJ+qJtb2Ij56roqJtb2IRpYq
- TLSH T14E060711E5684621DC2FCD74C592A676FA323C4F7F2CB6CB1E45B6282E336D19936322
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/908-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000e00000001c4c5-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2cc-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/908-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/1820-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001ba86-134.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019cdd-1253.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000e00000001c4c5-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2cc-11.dat aspack_v212_v242 behavioral2/files/0x000200000001ba86-134.dat aspack_v212_v242 behavioral2/files/0x0003000000019cdd-1253.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 1820 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" 2026-08-18_e66ba60957502e4483757211014e1334_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 2026-08-18_e66ba60957502e4483757211014e1334_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\servertool.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE patcher.exe File created C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.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 (x86)\Windows Photo Viewer\ImagingDevices.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\Installer\setup.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\cookie_exporter.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe patcher.exe 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\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedgewebview2.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe patcher.exe File opened for modification C:\Program Files\Windows Defender\mpextms.exe patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe$ 2026-08-18_e66ba60957502e4483757211014e1334_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}\grv_icons.exe 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaw.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmpshare.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe$ 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe$ 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmpshare.exe 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Java\Java Update\jaureg.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge_pwa_launcher.exe patcher.exe File created C:\Program Files\7-Zip\7zG.exe 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe$ 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\xlicons.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\elevation_service.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedgewebview2.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\notification_helper.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe 2026-08-18_e66ba60957502e4483757211014e1334_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.exe$ patcher.exe File opened for modification C:\Program Files\Windows Media Player\wmpshare.exe patcher.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ExtExport.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe$ patcher.exe File created C:\Program Files\7-Zip\7z.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe 2026-08-18_e66ba60957502e4483757211014e1334_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\Java\jdk-1.8\jre\bin\policytool.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE$ 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msoasb.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\osmadminicon.exe 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\msoev.exe patcher.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)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe$ patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe$ 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Microsoft Office\root\Client\AppVDllSurrogate32.exe$ 2026-08-18_e66ba60957502e4483757211014e1334_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 patcher.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-18_e66ba60957502e4483757211014e1334_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 2026-08-18_e66ba60957502e4483757211014e1334_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 908 2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 1820 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-18_e66ba60957502e4483757211014e1334_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-18_e66ba60957502e4483757211014e1334_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:908
-
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:1820
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 3.5MB
- SHA256 5d32da1eb18bb0cc328e856ddeea0c621adef35c696a1a31ea43f59b0e8a9874
- MD5 e66ba60957502e4483757211014e1334
- SHA1 84ef6618fb997e8769417753076a0f63ad0ec6e5
- SHA512 681e8b999affa72d6655529667ea1c94def8f686e7a811d595713faad95381b0fef92b0ecfccd99bdfcfdc6d83f1450061e5b24a22324be253025114e8f02532
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsyKaohcqpHfwcYTqMi8CtBd2QHCHmTBW5z:A3k03kHRJ+qJtb2Ij56roqJtb2IRpYq
- TLSH T14E060711E5684621DC2FCD74C592A676FA323C4F7F2CB6CB1E45B6282E336D19936322
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 4.1MB
- SHA256 e8ffb759717d404d52eeeb91d707cd76b0ad42ea6b27ae85bc72318087ba0ade
- MD5 9e2e6f16d4d8cacb9ed857eb338c995f
- SHA1 13fb74fbe476790382ab46fcce992e52dbade103
- SHA512 080f2b9c5eb43f2522e5ca49c159588b4297b4dc6ff772cad54edd84c17a89fae54848217b9a578c5dbaefdbd8a6d5215f95bba327e62260e803e0161cecda50
- SSDEEP 49152:A3k03kHRJ+qJtb2Ij56roqJtb2IRpYqjPji0Aj:A3k03kHR8Jro06Gjo
- TLSH T1FF16F511E5684621DC2FCC74C592A67AFA323C4F7F2CB6CB1E45B6282E376D19536322
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe$
- Size 3.7MB
- SHA256 c44ecf0c0b0da3e2ce14c3329caa5afd0f5434e90311dae8b2aad6b265317593
- MD5 3744e6a9f3719193648d7114afea8d26
- SHA1 9d93e7e1080ddc0347a78ea3cc6e4896864b5128
- SHA512 b186b0737fb7e6b1de30be0a872a6ca229afb40cd223b95a2481c8276d2fe955e40f659c4a098bc679035aa3c5b02baa3a5d4461cfab4c7d87dbe0c6f0afdf49
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsyKaohcqpHfwcYTqMi8CtBd2QHCHmTBW5g:A3k03kHRJ+qJtb2Ij56roqJtb2IRpYqk
- TLSH T14406E411E5684660DC2E8C74C6929675FA323C4F7F6CB6CB1E85F6282F336D19936223
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$
- Size 3.6MB
- SHA256 b6ea8aa07afc9bc03a11312c4691e82efb672004e8c8a754c13cacb0d0fb56ea
- MD5 fb2105946e9957d8cd345fd3be8d4988
- SHA1 aa1195536a916bc043aaba8a91ca8fef49dfe59d
- SHA512 e9be6b81f1bff949a3c399a498ac40972bbd3cfb5b94fd659f488aaed50eef0ed2a7588a5c153e17b54e1eaa7c60644f9d078da664e6c7fbdb487bf6c9d1f8ac
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsyKaohcqpHfwcYTqMi8CtBd2QHCHmTBW55:A3k03kHRJ+qJtb2Ij56roqJtb2IRpYqt
- TLSH T1A9061711E5684621DC6FCC74C592A676F9323C8F7F2CB6CB1E45B6282E336D19936322
- MD5 SHA1 SHA512 SSDEEP TLSH