Analysis
- max time kernel
108s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 13:45
Behavioral task
behavioral1
Sample
2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.7MB
- Sample260805-q2te8syfkh
- SHA256 b53830af666c6f9f396fb53194535e993a670af81cd1038cadf51174b7968026
- MD5 e5a9de3af11932deb78e5d9ed475ea2b
- SHA1 e81a1ce8d13b1bb18f0173b8d6f04815f75898b9
- SHA512 f26bb6845ee9b91f7d9fed75d2540d308656699007b0305e530d3b02e4a6adff1c12a106ec334c67d3ffb113c62495efc12c9a1e0f2db171c877c12a50980d8d
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYLkdQifZe0p4Ek4niOkl/A04szE87JN:A3k03kB56rTeW4SkZP4sz9Mb
- TLSH T120853A16F6784B62D07BC0B9C5D6AA5AFA333C455F3087CB03459B283F276D1963A326
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 5 IoCs
resource yara_rule behavioral2/memory/556-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c554-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000e00000001c555-10.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/556-75-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/1812-106-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c554-5.dat aspack_v212_v242 behavioral2/files/0x000e00000001c555-10.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 1812 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" 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_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 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_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)\Adobe\Acrobat Reader DC\Reader\Eula.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_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 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\grv_icons.exe patcher.exe File created C:\Program Files\Mozilla Firefox\pingsender.exe patcher.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmplayer.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe$ 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateSetup.exe patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\GRAPH.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\Windows Media Player\wmprph.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\osmadminicon.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javapackager.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\javacpl.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\SCANPST.EXE patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedgewebview2.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\identity_helper.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateOnDemand.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe$ 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe$ 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_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$ 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\EdgeWebView\Application\122.0.2365.106\Installer\setup.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\identity_helper.exe$ patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe$ patcher.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseGPParser.exe patcher.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msotd.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\identity_helper.exe$ patcher.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe$ patcher.exe File created C:\Program Files\7-Zip\Uninstall.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jjs.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE$ 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\DlpUserAgent.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 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_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 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_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 556 2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 1812 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_e5a9de3af11932deb78e5d9ed475ea2b_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:556
-
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:1812
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.7MB
- SHA256 b53830af666c6f9f396fb53194535e993a670af81cd1038cadf51174b7968026
- MD5 e5a9de3af11932deb78e5d9ed475ea2b
- SHA1 e81a1ce8d13b1bb18f0173b8d6f04815f75898b9
- SHA512 f26bb6845ee9b91f7d9fed75d2540d308656699007b0305e530d3b02e4a6adff1c12a106ec334c67d3ffb113c62495efc12c9a1e0f2db171c877c12a50980d8d
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYLkdQifZe0p4Ek4niOkl/A04szE87JN:A3k03kB56rTeW4SkZP4sz9Mb
- TLSH T120853A16F6784B62D07BC0B9C5D6AA5AFA333C455F3087CB03459B283F276D1963A326
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe
- Size 2.3MB
- SHA256 6c86ef20a57e996d57852022fedd73d07b37f199cba523bf6e776852e50e831f
- MD5 29665d5a3feefd914fccc653262b107c
- SHA1 14386ace9accbe677efc57618d23acc3dc031163
- SHA512 a3e7abbd195f9463004bc38d3308069b803d2ca3ad7b9bd9f48cd5489720cafce4a51a0208c30f1b60c7b8f8dc0f7bc2a1ccc84b4382ae3fb7866a407305c6cf
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYLkdQifZe0p4Ek4niOkl/A04szE87JM:A3k03kB56rTeW4SkZP4sz9MbBPji0Aj
- TLSH T104B52A16F6784722D077C0B9C5D6AA9AFA3238451F308ACB0345DB283F277D5963A736
- MD5 SHA1 SHA512 SSDEEP TLSH