Analysis
- max time kernel
125s - 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
10/08/2026, 13:31
Behavioral task
behavioral1
Sample
2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 3.4MB
- Sample260810-qshblsak21
- SHA256 185591d9ec928413b829a29ed639d29beb6621e09e92207fa8efc89b6e8ca992
- MD5 b833815cbc18fdccedb3978297b80fe6
- SHA1 114226e3fc6ac76e0c9b5943dc33653a2f9d8dc3
- SHA512 4933c1edc729cd9f098d1cd378a7d265d9fbe2905c746d66bb76e4af7681c055a8dcca910c39c4979767e135775b5be5cc8601b6428f5ba361491297c2aa081d
- SSDEEP 49152:A3k03kHRJN56rbeW4SkZP4sz9Mb8eW4SkZP4sz9MbkqJtb2I:A3k03kHR0r7fkZcofkZck
- TLSH T1ADF53B16F6788722D0B7C0B9C5D6AA9AFE3238455F308ACB0345D72C2E277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 5 IoCs
resource yara_rule behavioral2/memory/1756-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000500000001b884-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b32b-13.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/1756-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3336-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000500000001b884-5.dat aspack_v212_v242 behavioral2/files/0x000200000001b32b-13.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3336 patcher.exe - 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" 2026-08-10_b833815cbc18fdccedb3978297b80fe6_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 2026-08-10_b833815cbc18fdccedb3978297b80fe6_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\Internet Explorer\iediagcmd.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_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 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\notification_click_helper.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe$ 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\pwahelper.exe$ patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe$ patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaws.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedgewebview2.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateCore.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\BHO\ie_to_edge_stub.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.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\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created 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\policytool.exe$ 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE patcher.exe File opened for modification C:\Program Files\Windows Mail\wab.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_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\jre-1.8\bin\java-rmi.exe$ patcher.exe File opened for modification C:\Program Files\Windows Defender\MpCopyAccelerator.exe patcher.exe File opened for modification C:\Program Files\Windows Media Player\wmpshare.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\notification_click_helper.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe$ 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.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\Java\jdk-1.8\bin\javapackager.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Java\jdk-1.8\bin\jarsigner.exe$ 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\notification_click_helper.exe$ patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\Installer\setup.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\elevation_service.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmpshare.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmpconfig.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\keytool.exe 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\keytool.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\EXCEL.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 2026-08-10_b833815cbc18fdccedb3978297b80fe6_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 2026-08-10_b833815cbc18fdccedb3978297b80fe6_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 1756 2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3336 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-10_b833815cbc18fdccedb3978297b80fe6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-10_b833815cbc18fdccedb3978297b80fe6_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:1756
-
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:3336
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 3.4MB
- SHA256 185591d9ec928413b829a29ed639d29beb6621e09e92207fa8efc89b6e8ca992
- MD5 b833815cbc18fdccedb3978297b80fe6
- SHA1 114226e3fc6ac76e0c9b5943dc33653a2f9d8dc3
- SHA512 4933c1edc729cd9f098d1cd378a7d265d9fbe2905c746d66bb76e4af7681c055a8dcca910c39c4979767e135775b5be5cc8601b6428f5ba361491297c2aa081d
- SSDEEP 49152:A3k03kHRJN56rbeW4SkZP4sz9Mb8eW4SkZP4sz9MbkqJtb2I:A3k03kHR0r7fkZcofkZck
- TLSH T1ADF53B16F6788722D0B7C0B9C5D6AA9AFE3238455F308ACB0345D72C2E277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe
- Size 4.0MB
- SHA256 20ba1781dbdd807ca90c476b360eb36da58dda5400e7db8bc2117b84c2c7e46f
- MD5 257791d99e516a2f3ad6ae57236e82ce
- SHA1 fbe3e7639fe635ff0eee9628d0d02a224c291935
- SHA512 892ec0c4d999fae9dee0164417cae0f94d864cc1da5e6ae94c0f82aa7cfd17da7bd212cdf57f24686beb7b3e8443af90d1b283b33dc6d6839da55f794133105e
- SSDEEP 49152:A3k03kHRJN56rbeW4SkZP4sz9Mb8eW4SkZP4sz9MbkqJtb2IQPji0Aj:A3k03kHR0r7fkZcofkZckZjo
- TLSH T12E162A16F6788722D077C0B9C5D6AA9AFE3238465F308ACB0345D72C2E277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH