Analysis
- max time kernel
108s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/05/2026, 17:16
Behavioral task
behavioral1
Sample
2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11-20260513-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.7MB
- Sample260523-vtl4eahz2v
- SHA256 6257c936ed3a436b05a9f39d29cae3af81d27d793f70f3b369265bb901455abf
- MD5 f523fbe13cf8db8d59d08b2fa17941b0
- SHA1 9b75caaaf2f77cb8ee7ec23a328c4a82ba804eeb
- SHA512 5f8e6d510b6a5501d4f983913fbc41e5cd6f0bf0062cfe52416babea835a9d71b5a30a09939531280c0d8421b9ab916c3fc80177a2fa21f9a88bad8fd9fec571
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsi0f/pf3mnXoZ643mnXoZ6i6cMJlCUQ0lW:A3k03kHRJh3k03kHRJ8
- TLSH T11285AE13EB9500E9D10AC1749AD68A23FB75BC56176093DF2358C6152F62BD0BF3E3A8
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Custom signatureDetects executables packed with ASPack 8 IoCs
resource yara_rule behavioral2/memory/4428-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x001a00000002b450-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/3220-7-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000002a408-12.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4428-70-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3220-71-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000028e17-1257.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0011000000000675-2048.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x001a00000002b450-5.dat aspack_v212_v242 behavioral2/files/0x000200000002a408-12.dat aspack_v212_v242 behavioral2/files/0x0003000000028e17-1257.dat aspack_v212_v242 behavioral2/files/0x0011000000000675-2048.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3220 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" 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_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 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\SysWOW64\:\autorun.inf patcher.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\:\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\jdb.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe$ patcher.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe$ 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_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}\osmadminicon.exe$ patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2104.12721.0_x64__8wekyb3d8bbwe\LocalBridge.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\klist.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_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\Mozilla Firefox\private_browsing.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe$ 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE patcher.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.12827.20400.0_x64__8wekyb3d8bbwe\HxTsr.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe$ 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_1.0.22.0_x64__8wekyb3d8bbwe\Maps.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7z.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe$ 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jconsole.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe$ 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe$ patcher.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_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$ 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_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}\osmclienticon.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe$ 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_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 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe$ patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.40831.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.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 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language patcher.exe - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4428 2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3220 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-23_f523fbe13cf8db8d59d08b2fa17941b0_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:4428
-
C:\905c0769f9a06c95a24ddf945\patcher.exeC:\905c0769f9a06c95a24ddf945\patcher.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3220
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.7MB
- SHA256 6257c936ed3a436b05a9f39d29cae3af81d27d793f70f3b369265bb901455abf
- MD5 f523fbe13cf8db8d59d08b2fa17941b0
- SHA1 9b75caaaf2f77cb8ee7ec23a328c4a82ba804eeb
- SHA512 5f8e6d510b6a5501d4f983913fbc41e5cd6f0bf0062cfe52416babea835a9d71b5a30a09939531280c0d8421b9ab916c3fc80177a2fa21f9a88bad8fd9fec571
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsi0f/pf3mnXoZ643mnXoZ6i6cMJlCUQ0lW:A3k03kHRJh3k03kHRJ8
- TLSH T11285AE13EB9500E9D10AC1749AD68A23FB75BC56176093DF2358C6152F62BD0BF3E3A8
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.3MB
- SHA256 2bc5293237b679accd6d790398a77e6f0c228e7afdb0a0d861ef031019d96300
- MD5 0e1842def52da1758912d9929c154c3b
- SHA1 8d1e92e8423ca918c9c82b03ead6d3beacecb2ae
- SHA512 849b5cc6448df4e76763b7615ad57d0c53f2a8d5d498972ee848f57e8be7f3aa372d52cd7f2555fe269790c0d5ba151002d8927a500fd64f662f372025d9a5f9
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsi0f/pf3mnXoZ643mnXoZ6i6cMJlCUQ0l6:A3k03kHRJh3k03kHRJEPji0Aj
- TLSH T102B59D17FAA401B5D026C178CAD69A66FA7178461B3097CF1358C7293F63BD0AB3E364
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$
- Size 1.8MB
- SHA256 b3dd82a33e136916806e0231e5dfe731cee108f021818be155b2859be54adc8a
- MD5 6bd07c1753521c60e708caaa58fe30c5
- SHA1 a8d5c072ffd6b66600eb6faa6e000bc5e900efd9
- SHA512 a313200e396c59c62ded1b4c7759f7ecaeb4a664414bf16d19296d027782b21749329b1265988a24972a3f0a2d2ceb8a3452d1179c292207edf461d1238a92dc
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsi0f/pf3mnXoZ643mnXoZ6i6cMJlCUQ0lu:A3k03kHRJh3k03kHRJM
- TLSH T1F195AE03E69500E4D14AC1349E9A8A22FA75BD92176097EF2358F7152F72BD07F3E3A4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDrive.exe$
- Size 2.0MB
- SHA256 d6c4ba0b9854891bb3cab5d8046393d8571632fa051e542faf77eb598dfd0412
- MD5 186542bf68c3f107f1a4ec34870415b7
- SHA1 ddc3192efd97cf6b0c2c8af04c1468b7ee79b788
- SHA512 32f892912ceb8952f497a521e46e1a820b352c63a2f8a07b937cd3f1373b2b26dbc598bec476a013c8e7a434d52bb10ceaf887fe183bc31c874e1b1111dbe519
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bsi0f/pf3mnXoZ643mnXoZ6i6cMJlCUQ0ln:A3k03kHRJh3k03kHRJ+i2WH3
- TLSH T1D695AE23EB9400F9D10AC1745AE99632EB75BC52173193DF6358C2192F62BD0AF3E3A5
- MD5 SHA1 SHA512 SSDEEP TLSH