Analysis
- max time kernel
118s - max time network
136s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 17:06
Behavioral task
behavioral1
Sample
2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 2.2MB
- Sample260802-vmq4sadj4v
- SHA256 1ea8f31e491e7c7653d44d793673caf8b92f20c3491d46968a204eb7ad2ab148
- MD5 b8336a979d7febc25b29b9c3dbacc572
- SHA1 b84279db47034f1b22403a49f37c7833b165d3b0
- SHA512 7e91abd660c42ffa659ded73a54988dd9a3c0266ba2654280cff647832fa93f4900e9440c161025b8ba3e1506e1f68bb79b46dcb31874d654786f545c4a8b31d
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UyaRa8D5jcAkSYqyExZe0p4Ek4Q:A3k03kB56r7pYqLeW4SkZP4sz9Mb
- TLSH T1ADB52A16F6788722D077C0B9C5D6AA5AFA3238451F308BCB0345DB283F277D5963A726
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/1196-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c452-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b305-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/1196-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4280-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x00030000000198fa-427.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019c9e-1269.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c452-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b305-11.dat aspack_v212_v242 behavioral2/files/0x00030000000198fa-427.dat aspack_v212_v242 behavioral2/files/0x0003000000019c9e-1269.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4280 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" 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_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 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_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\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\javah.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_proxy.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\xjc.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\excelcnv.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\Common Files\microsoft shared\Source Engine\OSE.EXE patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\tnameserv.exe 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.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 (x86)\Microsoft\EdgeCore\139.0.3405.125\notification_helper.exe$ patcher.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\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE$ 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmpconfig.exe patcher.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 (x86)\Windows Media Player\wmpconfig.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe$ patcher.exe File created C:\Program Files\Java\jre-1.8\bin\jjs.exe 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_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}\joticon.exe 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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 (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeComRegisterShellARM64.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jstat.exe 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\elevation_service.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge_proxy.exe patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe patcher.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\BHO\ie_to_edge_stub.exe patcher.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\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\sscicons.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\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_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.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE$ patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\misc.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 (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\notification_helper.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\accicons.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE$ 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe$ 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe$ 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.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 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_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 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_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 1196 2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4280 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_b8336a979d7febc25b29b9c3dbacc572_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_b8336a979d7febc25b29b9c3dbacc572_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:1196
-
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:4280
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 2.2MB
- SHA256 1ea8f31e491e7c7653d44d793673caf8b92f20c3491d46968a204eb7ad2ab148
- MD5 b8336a979d7febc25b29b9c3dbacc572
- SHA1 b84279db47034f1b22403a49f37c7833b165d3b0
- SHA512 7e91abd660c42ffa659ded73a54988dd9a3c0266ba2654280cff647832fa93f4900e9440c161025b8ba3e1506e1f68bb79b46dcb31874d654786f545c4a8b31d
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UyaRa8D5jcAkSYqyExZe0p4Ek4Q:A3k03kB56r7pYqLeW4SkZP4sz9Mb
- TLSH T1ADB52A16F6788722D077C0B9C5D6AA5AFA3238451F308BCB0345DB283F277D5963A726
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.7MB
- SHA256 7622c94d08c1bf86091ac81fe83b92ab66916269ce30d75394b962283fd493e9
- MD5 ad6080dcc6d19b0fc09d46ce32f793f1
- SHA1 9497ea249bff84f709f804e46f28aae65afd647b
- SHA512 aefa3986fc790e973bf853d507f470719361ac314788445bab2b600fbc5dd6c63e9802b27ddefeaa6bb9fb79d09f84898bf6f4649e24828b740a94db0813adbb
- SSDEEP 49152:A3k03kB56r7pYqLeW4SkZP4sz9MbBPji0Aj:A3k03kCr76YfkZcRjo
- TLSH T12ED52A16F6788722D077C0B9C5D2A69AFA3238455F308ACB0345DB283F277D5963A736
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\serialver.exe
- Size 2.2MB
- SHA256 d233d61090daa19ca0ad621ce170ad99f647e72ee53e26ebee674e2b5102ce98
- MD5 84809e73f99a0a3c72c5120ba5d4fba6
- SHA1 ad0f67247c1fb99f8622af2a2baf5170c03c6bda
- SHA512 f0be6f3688c92e6c218c227b9321129daa2e82d587944324075ae4966a2e6b5ec0867830b3ecf5819b09bf567247947ac919d28ff5365d09ab489d8e9c1605f2
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UyaRa8D5jcAkSYqyExZe0p4Ek46:A3k03kB56r7pYqLeW4SkZP4sz9MbI
- TLSH T1D1B53A16F6788762D077C0B9C5D6AA5AFA3238451F308BCB0345DB283F277D1963A726
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$
- Size 2.3MB
- SHA256 0d02c0b94ec5461a68e11d85821afdfedc8085050a27b9ce0a16d0b2dc1a1cb7
- MD5 fab3efd11ca5f43f4e263422b5a0ed77
- SHA1 f784ac5b09b9d60bc518027c7eb7cf0510eb36c9
- SHA512 885c7c5c39f81e6410dd82bdcfa9d10ca160d6b38d95446cf76c5911730eebb968afa58bc6de5bc86c3e9cdba33f5da3b4563e1ef680c638dff965b66831954a
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UyaRa8D5jcAkSYqyExZe0p4Ek41:A3k03kB56r7pYqLeW4SkZP4sz9Mbj
- TLSH T12AB52916F6788722D0B7C079C9D6AA5AFA323C451F308BCB0345BB283E376D59635726
- MD5 SHA1 SHA512 SSDEEP TLSH