Analysis
- max time kernel
113s - max time network
143s - 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, 20:19
Behavioral task
behavioral1
Sample
2026-08-04_4efab0b006d4ea591dc086edeca81435_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_4efab0b006d4ea591dc086edeca81435_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_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.4MB
- Sample260804-y33pasxvhx
- SHA256 b1d522f7b6ff9a34ee171bfa6233ce3a4b5b5745318de8699d5be0215f293870
- MD5 4efab0b006d4ea591dc086edeca81435
- SHA1 0f0be8cb7c575ef279ceb480d1f575e2bcb2ab80
- SHA512 900262a7ea1ec7fe31200862198caf90c5633a78a56ab7a232380d6d78e11fbf4094fee158d7fa22d72252283b497c59c47bd0db18a285adda402ef15893647f
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UN7hv5jcAkSYqyE:A3k03kB56rDpYq
- TLSH T18A655B16E6644FA5D02BC074C6D29666EA733C465F3097CB1354EE283F23BD19A3A363
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/5368-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c4e4-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b32b-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5368-69-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4308-76-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000400000001a307-1046.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001a2eb-1053.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c4e4-5.dat aspack_v212_v242 behavioral2/files/0x000200000001b32b-11.dat aspack_v212_v242 behavioral2/files/0x000400000001a307-1046.dat aspack_v212_v242 behavioral2/files/0x000300000001a2eb-1053.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4308 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" 2026-08-04_4efab0b006d4ea591dc086edeca81435_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 2026-08-04_4efab0b006d4ea591dc086edeca81435_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\xjc.exe$ 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeComRegisterShellARM64.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe$ 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe$ patcher.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 (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_proxy.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge.exe$ patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedgewebview2.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateComRegisterShell64.exe patcher.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeComRegisterShellARM64.exe patcher.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\Internet Explorer\ExtExport.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\outicon.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe patcher.exe File created C:\Program Files\VideoLAN\VLC\vlc.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\pwahelper.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe patcher.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\DlpUserAgent.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\notification_helper.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\ohub32.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe$ 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe$ 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateCore.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe$ 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Mozilla Firefox\private_browsing.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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 (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\identity_helper.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pj11icon.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmlaunch.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jjs.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\pack200.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe patcher.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 (x86)\Microsoft\EdgeUpdate_bk\MicrosoftEdgeUpdate.exe 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge_proxy.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 patcher.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-04_4efab0b006d4ea591dc086edeca81435_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 5368 2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4308 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_4efab0b006d4ea591dc086edeca81435_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_4efab0b006d4ea591dc086edeca81435_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:5368
-
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:4308
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.4MB
- SHA256 b1d522f7b6ff9a34ee171bfa6233ce3a4b5b5745318de8699d5be0215f293870
- MD5 4efab0b006d4ea591dc086edeca81435
- SHA1 0f0be8cb7c575ef279ceb480d1f575e2bcb2ab80
- SHA512 900262a7ea1ec7fe31200862198caf90c5633a78a56ab7a232380d6d78e11fbf4094fee158d7fa22d72252283b497c59c47bd0db18a285adda402ef15893647f
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UN7hv5jcAkSYqyE:A3k03kB56rDpYq
- TLSH T18A655B16E6644FA5D02BC074C6D29666EA733C465F3097CB1354EE283F23BD19A3A363
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 1.9MB
- SHA256 8c42fe47b0075de917f85b847ec1d4c92073117ab36dd129e78654233aafa17b
- MD5 287378f8500e21fefa49749b1879c752
- SHA1 12500b39bb971c270f69c10286101f80047ba3b2
- SHA512 2577ec69f7754bdbd44d28803e99aec17e4f8804e5337c6cf7e9d8f4ab0048ba7da3a40c2a2b98c38a150d0e82389ac18e6c13551a3bb52e86490aa80be1af18
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UN7hv5jcAkSYqyED0Le5ji0hmxe:A3k03kB56rDpYqjPji0Aj
- TLSH T158954A16F6644B75D02BC0B9C5D2969AEA723C421F3087CB1345DB283F27BD19A3A772
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE
- Size 1.6MB
- SHA256 a26d03e3fc46e185aae608e444f0a6e4fd442b2da31e28bced2ace0647a18ca8
- MD5 b7684c8c2fc1f3d1eb5ec05751176ad0
- SHA1 b3a6bcf27a5a8325b4b4ce504904c5b871f9442a
- SHA512 6742c8b13e8f35f82e390679565f93007eb333f34628fe695051c19f617cc16d20ba55f47241d3a67d681e5400fbdbe5c92c2ef141ecf5d93e1bbebad8bb7327
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UN7hv5jcAkSYqyEsWolMk:A3k03kB56rDpYqMN
- TLSH T134753A12E6544A75D02BC0748592965EEA323C45DF238FCB1344AEECBFE27D19A39372
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE$
- Size 1.9MB
- SHA256 4136a64973d67a61c40b0ab6249432ad4b280f2d38707a76587d003e72fb452f
- MD5 63731ee5583f1bdd94e7d72ada1dcb7f
- SHA1 7c84298b422875f47a1c897577e874796f20bfe0
- SHA512 ed24811f0448ded8ec06d988aab12ae183b9f7f6ebbb6dc2fa86b7efd59e897e047ad14c2858542dcc0ba64e605f99af65c10245ea94608d0585287660aafa99
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYiw9UN7hv5jcAkSYqyEeY3xkjHvBlIy:A3k03kB56rDpYq+LbLAUKv6D
- TLSH T14E955B16E7A44BA1D02BC178C6A696B6FA737C410F3097CB1354DA293F336D19E39722
- MD5 SHA1 SHA512 SSDEEP TLSH