Analysis
- max time kernel
111s - max time network
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
28/07/2026, 17:26
Behavioral task
behavioral1
Sample
2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1008KB
- Sample260728-vzvbza1elf
- SHA256 a9ec88f09b62c74286cafa77b27a9cd8cd7e894a06b0e7ee89bfa79d1d3da02b
- MD5 3a38557fe6a069c0d9e05637c408ce91
- SHA1 fe4f8d004798bbfa7aceb8ab560c73d90ff57f49
- SHA512 d9898d06d55f12e66378be1fafd26e1c90e79e75dada7ea135534f13161f189d22c62242065233542b6e02605de1bbe50ba64a52df98cc6f7812681adacf361b
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEaCbaiopG6CWl0:A3k03kHRJARJ+
- TLSH T1F4259D03E79800E8D15AC1749AA69A23FB757C561720A7DF1364C6162F73BD0AF3E3A4
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 5 IoCs
resource yara_rule behavioral2/memory/3052-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000c00000001c5bc-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b305-9.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/3052-21-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/2228-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000c00000001c5bc-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b305-9.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 2228 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" 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_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 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_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 created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\misc.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\Microsoft Office\root\Office16\WINWORD.EXE 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe$ patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\identity_helper.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)\Windows Mail\wab.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\cookie_exporter.exe$ patcher.exe File created C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_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.NetFX40.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\joticon.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Java\jdk-1.8\bin\appletviewer.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\orbd.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\accicons.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\sscicons.exe$ 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\bin\xjc.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\grv_icons.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Java\jdk-1.8\bin\jabswitch.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe$ 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\BHO\ie_to_edge_stub.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\identity_helper.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Internet Explorer\iexplore.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\notification_helper.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\pwahelper.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\unpack200.exe patcher.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 (x86)\Microsoft\EdgeCore\139.0.3405.125\elevated_tracing_service.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\BHO\ie_to_edge_stub.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\javap.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe$ 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\java.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.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\Java\jdk-1.8\bin\servertool.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe patcher.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)\Microsoft\EdgeCore\139.0.3405.125\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.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 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_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 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_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 3052 2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 2228 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-28_3a38557fe6a069c0d9e05637c408ce91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-28_3a38557fe6a069c0d9e05637c408ce91_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:3052
-
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:2228
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1008KB
- SHA256 a9ec88f09b62c74286cafa77b27a9cd8cd7e894a06b0e7ee89bfa79d1d3da02b
- MD5 3a38557fe6a069c0d9e05637c408ce91
- SHA1 fe4f8d004798bbfa7aceb8ab560c73d90ff57f49
- SHA512 d9898d06d55f12e66378be1fafd26e1c90e79e75dada7ea135534f13161f189d22c62242065233542b6e02605de1bbe50ba64a52df98cc6f7812681adacf361b
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEaCbaiopG6CWl0:A3k03kHRJARJ+
- TLSH T1F4259D03E79800E8D15AC1749AA69A23FB757C561720A7DF1364C6162F73BD0AF3E3A4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 1.5MB
- SHA256 c43178a6ef51d4a246ecabc3af7a55a6c81d243da848556480d6aaeae8b874fa
- MD5 20409c6011c8ea77fa9b67e56fe242e3
- SHA1 fbc676b90758beaefc5064bd115297c862672164
- SHA512 571669906a69b9f0520a15819d5ab5069fdec9e7af3cb433f122b049bafd69b2167501c1226a975502f5baff3f8e7973ae536ad80c0987d075e806099fa23729
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEaCbaiopG6CWls0Le5ji0hmxNrM:A3k03kHRJARJuPji0Aj
- TLSH T1F2757C17F6A802B5D067C178C5E2AA5AEA723842173097CF1354C7292F67BE19F3A371
- MD5 SHA1 SHA512 SSDEEP TLSH