Analysis
- max time kernel
126s - max time network
135s - 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, 20:38
Behavioral task
behavioral1
Sample
2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_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_3751eeb0ca42d7f4a85f1111aa07bf50_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_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.4MB
- Sample260804-ze1epszbnd
- SHA256 fc672d3ad69a5ff975cc7553176e20f0746b47c7983e4487ff34f42428452bbc
- MD5 3751eeb0ca42d7f4a85f1111aa07bf50
- SHA1 dd8c9c66e344929477265cffe9d239521a5b9088
- SHA512 9f250911c65c8996319df0e1d0a7bea3980f9ba207c7e5f885f8be0b81e42b0b1f61ea60a7d7f2e6f54c50209cc43d9df6d4422b326425ba7e7878bce1e86a8a
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GSWGTa4is5jcAkSYqyE:A3k03kHRJfpYq
- TLSH T15A658D17F6A405B5D023C1B9CAD29A66EE713846173097CF2359C3282F63BD1AB3A375
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/4572-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c52e-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b32b-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4572-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/1420-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0008000000000140-2100.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c52e-5.dat aspack_v212_v242 behavioral2/files/0x000200000001b32b-11.dat aspack_v212_v242 behavioral2/files/0x0008000000000140-2100.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 1420 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_3751eeb0ca42d7f4a85f1111aa07bf50_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_3751eeb0ca42d7f4a85f1111aa07bf50_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\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe$ patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javadoc.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\xjc.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}\dbcicons.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_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Java\jdk-1.8\jre\bin\kinit.exe$ 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_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_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe$ 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.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)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_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\bin\rmiregistry.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe$ 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_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\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateComRegisterShell64.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe$ 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\misc.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe$ 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe$ 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe$ 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE patcher.exe File created C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe$ patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.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\jre\bin\unpack200.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMHelper.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\servertool.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\cookie_exporter.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateCore.exe$ 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_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 opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\MicrosoftEdgeUpdate.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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_3751eeb0ca42d7f4a85f1111aa07bf50_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_3751eeb0ca42d7f4a85f1111aa07bf50_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 4572 2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 1420 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_3751eeb0ca42d7f4a85f1111aa07bf50_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:4572
-
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:1420
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.4MB
- SHA256 fc672d3ad69a5ff975cc7553176e20f0746b47c7983e4487ff34f42428452bbc
- MD5 3751eeb0ca42d7f4a85f1111aa07bf50
- SHA1 dd8c9c66e344929477265cffe9d239521a5b9088
- SHA512 9f250911c65c8996319df0e1d0a7bea3980f9ba207c7e5f885f8be0b81e42b0b1f61ea60a7d7f2e6f54c50209cc43d9df6d4422b326425ba7e7878bce1e86a8a
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GSWGTa4is5jcAkSYqyE:A3k03kHRJfpYq
- TLSH T15A658D17F6A405B5D023C1B9CAD29A66EE713846173097CF2359C3282F63BD1AB3A375
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 1.9MB
- SHA256 f9e3c99e9878840d98b461569e99911b8e6516d15d85303d510e08ab71a06efb
- MD5 a33b7c9e5b5c2fa4f26af727b4190569
- SHA1 d097035699b7b3854eb641ea38e0ee3db52e2d26
- SHA512 7fda7eac9386ee4a17fac834b1fcaea17697cefc744ebfe6ae33317996593909bb66b0b41e56e17646357e1fd0c663c7bc5cd4ddab3a1a17869ca92d2ece3487
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GSWGTa4is5jcAkSYqyED0Le5ji0hmxNrM:A3k03kHRJfpYqjPji0Aj
- TLSH T174957C16F6744275D073C0B9C5D2A69AFE7134861B3086CB1389C7283F67BE29A3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe$
- Size 1.5MB
- SHA256 f01b87bf644f5b195bb7a7fb2d12fe69010f3cd93341605ab21412d6bdd0aa48
- MD5 d747ed3ca565d97540c14012bfbe1e0e
- SHA1 a43923be4b86de332a73e0af4412735e09188b30
- SHA512 ebe5ddbca46bd51a4e3e2fcec0f4e760c4ed5f01f0acdfa1123f0f12c461d4373d5b039446041bb258100f6a8d8a3eb96f7acb7adc5f3a1d7bda907ce1d37630
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GSWGTa4is5jcAkSYqyEHV:A3k03kHRJfpYqnV
- TLSH T1EF657C17F7A405B5E067C174CAD29A66EA7178461B3087CF334DC2282F23BD1AA3A775
- MD5 SHA1 SHA512 SSDEEP TLSH