Analysis
- max time kernel
115s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 14:19
Behavioral task
behavioral1
Sample
2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.5MB
- Sample260804-rnaxeayzby
- SHA256 4eb89ce73ddbb1ddcb07610eea3304da8cc77a3925068c1d478d2484129aba31
- MD5 bfc16b8e86a2bd52fccdaf52282dddaf
- SHA1 e1bf04edef133764c93141d6e65257da1cb14a81
- SHA512 e5c4c7a75a40937f7e1519812c909329c33881ee2bf2cce5dddb586bf1f11b341d957de828dfb3f7f28eb85d2ee4876d137209548f9edfaa8397c8a5e67e5ad1
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOaoTaFsLaB1G45jcAkSYqyE:A3k03kHRJypYq
- TLSH T138757C13F6A401B5D063C174CAD69A56FA317C821B309ADF1398F7292F337D1AA3A761
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/5904-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000c00000001c54c-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2cc-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5904-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4748-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x002f0000000198e8-677.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019b3a-676.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000c00000001c54c-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2cc-11.dat aspack_v212_v242 behavioral2/files/0x002f0000000198e8-677.dat aspack_v212_v242 behavioral2/files/0x0003000000019b3a-676.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4748 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" patcher.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinFirewall = "C:\\905c0769f9a06c95a24ddf945\\patcher.exe" 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_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\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_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.Loader.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_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}\misc.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\javac.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\serialver.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmpnetwk.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe$ 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe$ patcher.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe$ 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe patcher.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\Java\jdk-1.8\bin\javadoc.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE$ 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateCore.exe patcher.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE patcher.exe File opened for modification C:\Program Files\Windows Defender\MsMpEng.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_click_helper.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateOnDemand.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE patcher.exe File opened for modification C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe$ 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\keytool.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\cookie_exporter.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\msinfo32.exe patcher.exe File created C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateComRegisterShell64.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_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$ patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\pwahelper.exe patcher.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe patcher.exe File opened for modification 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\Mozilla Firefox\uninstall\helper.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedgewebview2.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe$ patcher.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateComRegisterShell64.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\orbd.exe 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_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\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pubs.exe$ 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaw.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateBroker.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge_proxy.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\notification_helper.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 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_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 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_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 5904 2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4748 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_bfc16b8e86a2bd52fccdaf52282dddaf_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:5904
-
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:4748
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.5MB
- SHA256 4eb89ce73ddbb1ddcb07610eea3304da8cc77a3925068c1d478d2484129aba31
- MD5 bfc16b8e86a2bd52fccdaf52282dddaf
- SHA1 e1bf04edef133764c93141d6e65257da1cb14a81
- SHA512 e5c4c7a75a40937f7e1519812c909329c33881ee2bf2cce5dddb586bf1f11b341d957de828dfb3f7f28eb85d2ee4876d137209548f9edfaa8397c8a5e67e5ad1
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOaoTaFsLaB1G45jcAkSYqyE:A3k03kHRJypYq
- TLSH T138757C13F6A401B5D063C174CAD69A56FA317C821B309ADF1398F7292F337D1AA3A761
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.0MB
- SHA256 c3c656a55b43ae27e2ba57ff700f3bdf980a9a2ad179ccf57237195df386ee5e
- MD5 e2a89d216727ecf381b8f275e7496e59
- SHA1 0fc515ab8910428501805c261a8ef259507998d0
- SHA512 bceea64c975c565250d5363f75d39327918aac5c2f58057276c78292a6d249c8c6ae7aac2123f13ee1b045776c1637833dd70ecb090f3ff246d5b55459138440
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOaoTaFsLaB1G45jcAkSYqyED0Le5ji0hJ:A3k03kHRJypYqjPji0Aj
- TLSH T16CA56C16F6A44275D073C079C9D2A65AEE313C821B308ADB1399F7282F377D19A3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jre-1.8\bin\pack200.exe
- Size 1.5MB
- SHA256 e70ccf24ee378f6865f2c59397ddefbfc8e37c7d71d18ff9e6de8bac7f0b82bd
- MD5 587d402f84c0ffe5dd4d30188c011b47
- SHA1 dd734a3112dd8d0d312449b0a8ab4f91d26b6d4e
- SHA512 58d4cb4d4371a9080dfe97bd1fc8e29feb25d98731cfe232aea2ef27d0a48e878ba6172a2a84a9faa39da69691b7748e374cbe7d11cac21088928077ceb26b85
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOaoTaFsLaB1G45jcAkSYqyEt5/:A3k03kHRJypYqD/
- TLSH T114757C13F6A401B5D067C174CAD69A56FA317C821B309ADF1398F7282F337D1AA3A761
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jre-1.8\bin\pack200.exe$
- Size 1.5MB
- SHA256 bd5962454c8828bd6e67afa10f349d29b177b22fc9827b8de95bc3d850b7a79c
- MD5 f46e1208f7b48f18665ee07f53a220c8
- SHA1 a3ab187b05a2a81d6d289086c403ab90356ca7e4
- SHA512 8ef27830c0004a3fa40b68f60c812fb52057a5930914883cb7ac0800fdcc766fe4e9b14ee77c084fb007456c282700f367b41a311184e1fc2a20607f44872d9c
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOaoTaFsLaB1G45jcAkSYqyE69O:A3k03kHRJypYqt
- TLSH T1DD757C13F6A401B5D067C174CAD69A56FA317C821B309ADF1358F7282F33BD1AA3A761
- MD5 SHA1 SHA512 SSDEEP TLSH