Analysis
- max time kernel
108s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 20:51
Behavioral task
behavioral1
Sample
2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.9MB
- Sample260819-znk2datbma
- SHA256 2b714d17696bc49eaeb172559930921ea45476eaa7075aa4c0df34bb67ac80e5
- MD5 1787de48c0092995e1e4435d546a0371
- SHA1 2ae42f6ba63a7b8bf579015eb30464baed75fcb9
- SHA512 0cef1ec93a6b67e07d552f02ce7b5ec04ce0cd96f0af675cff6065faae4214f4950eea627d79fdc4c0a3ba6f22c7d817e2aa172862759495aa2cae7ad51b8624
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bRak4Zf3mnXoZ643mnXoZ6i6cMJlCUQ0l9o:A3k03kHRJF3k03kHRJw
- TLSH T158954807E69400E8D10E8174D7968A22FA777C5217E092CB13D4E63D2F72AD0AEFA757
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/440-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c523-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000e00000001c524-13.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/440-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/2324-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019b41-675.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c523-5.dat aspack_v212_v242 behavioral2/files/0x000e00000001c524-13.dat aspack_v212_v242 behavioral2/files/0x0003000000019b41-675.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 2324 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" 2026-08-19_1787de48c0092995e1e4435d546a0371_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 2026-08-19_1787de48c0092995e1e4435d546a0371_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\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\rmid.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmplayer.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe$ patcher.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javaws.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files\Windows Defender\mpextms.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_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 opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe$ 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\mpextms.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\BHO\ie_to_edge_stub.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_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\7-Zip\7zFM.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jstack.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\policytool.exe patcher.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmprph.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.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\jdk-1.8\bin\wsgen.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe$ patcher.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javap.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe$ 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE 2026-08-19_1787de48c0092995e1e4435d546a0371_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$ 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_131343\javaw.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe$ 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\7-Zip\Uninstall.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe$ 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe$ 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateOnDemand.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe patcher.exe File opened for modification C:\Program Files\Windows Defender\ConfigSecurityPolicy.exe 2026-08-19_1787de48c0092995e1e4435d546a0371_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\klist.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 2026-08-19_1787de48c0092995e1e4435d546a0371_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 2026-08-19_1787de48c0092995e1e4435d546a0371_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 440 2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 2324 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_1787de48c0092995e1e4435d546a0371_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_1787de48c0092995e1e4435d546a0371_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:440
-
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:2324
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.9MB
- SHA256 2b714d17696bc49eaeb172559930921ea45476eaa7075aa4c0df34bb67ac80e5
- MD5 1787de48c0092995e1e4435d546a0371
- SHA1 2ae42f6ba63a7b8bf579015eb30464baed75fcb9
- SHA512 0cef1ec93a6b67e07d552f02ce7b5ec04ce0cd96f0af675cff6065faae4214f4950eea627d79fdc4c0a3ba6f22c7d817e2aa172862759495aa2cae7ad51b8624
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bRak4Zf3mnXoZ643mnXoZ6i6cMJlCUQ0l9o:A3k03kHRJF3k03kHRJw
- TLSH T158954807E69400E8D10E8174D7968A22FA777C5217E092CB13D4E63D2F72AD0AEFA757
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe
- Size 2.4MB
- SHA256 87279e76230c41ff1927dd63ee50b1ae7286206a9e2065e8b284805a53a0eb92
- MD5 fec2515159424b64baa66cea30db60d5
- SHA1 ac9c55792227b935e161de08ec4a4a771a3a18b4
- SHA512 5029fd654b3d64ab119a6d200907f6517678b6d42790ac65cad1f17f3140fd212156d5c072910933eec863940191f18c069b74b5c09879ef24f3488ebc9d11ef
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bRak4Zf3mnXoZ643mnXoZ6i6cMJlCUQ0l9M:A3k03kHRJF3k03kHRJIPji0Aj
- TLSH T1B3C55A17E6A401A4D02EC178C7969666FA33384217F096CB13D4D63D2F72BD09AFA763
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jre-1.8\bin\pack200.exe
- Size 1.9MB
- SHA256 80fbee6eaf3e84439299435dbe468153c8fb549ab8d8f7bbb327dec32ab8a11a
- MD5 1484a28c6df732f310cbc94d92a3c853
- SHA1 eb5788164689c9f29153f08cc45d411973c2ea78
- SHA512 8103fac2bf2cf607e68817748ade643ae9545789f77f18762825da89b200d79c893ee14db4c549004985d8f327afaa21da5f475ac8cc24dbd569d7758a4500e3
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bRak4Zf3mnXoZ643mnXoZ6i6cMJlCUQ0l9e:A3k03kHRJF3k03kHRJ0/
- TLSH T1CE954807E69400A8D10E8174D7968A22FA777C5217E092CB13D4E63D2F72BD0AEFA757
- MD5 SHA1 SHA512 SSDEEP TLSH