Analysis
- max time kernel
106s - max time network
141s - 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, 19:57
Behavioral task
behavioral1
Sample
2026-08-04_6526dba6833114aef3c4e40b8057aa76_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_6526dba6833114aef3c4e40b8057aa76_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_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 3.3MB
- Sample260804-ypbzesdk9v
- SHA256 20104b5366936f7c2f607bc5bbbc7606293313386649e0ed444e4ff28a08c3dd
- MD5 6526dba6833114aef3c4e40b8057aa76
- SHA1 39cb3d3d17676630bff0b0c1f1f06381f2f09478
- SHA512 3e849e10190e6f1830e2bdcc90fcea3f2b07de13d9115e02e8612c625b708b90ce474b0eab68675491b39fe48d7a7b46da4276ee4d094c08f8c99d089d36e0b6
- SSDEEP 49152:A3k03kHRJd56rIeW4SkZP4sz9Mb5eW4SkZP4sz9MbBPji0Aj:A3k03kHR4r0fkZcNfkZcRjo
- TLSH T172F52B16F6788722D0B7C0B9C5D6AA9AFA3238455F308ACB0345D72C3E277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/5904-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c53b-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b305-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5904-69-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/1596-76-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019f00-1099.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c53b-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b305-11.dat aspack_v212_v242 behavioral2/files/0x0003000000019f00-1099.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 1596 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_6526dba6833114aef3c4e40b8057aa76_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_6526dba6833114aef3c4e40b8057aa76_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\elevated_tracing_service.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.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\OfficeC2RClient.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE$ 2026-08-04_6526dba6833114aef3c4e40b8057aa76_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}\accicons.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)\Microsoft\EdgeCore\122.0.2365.106\notification_helper.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\Mozilla Firefox\default-browser-agent.exe patcher.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe$ patcher.exe File created C:\Program Files\Mozilla Firefox\firefox.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmprph.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\bin\jstatd.exe$ 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\bin\tnameserv.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe patcher.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\MavInject32.exe$ 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jjs.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe$ 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\TabTip32.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\notification_helper.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\Integrator.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateComRegisterShell64.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msoia.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_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 patcher.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe patcher.exe File opened for modification C:\Program Files\Windows Defender\MpDlpService.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_pwa_launcher.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\java.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_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\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE$ 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge_proxy.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge_pwa_launcher.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe$ 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE 2026-08-04_6526dba6833114aef3c4e40b8057aa76_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}\sscicons.exe$ patcher.exe - Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe$ 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\:\autorun.inf patcher.exe File opened for modification C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe 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_6526dba6833114aef3c4e40b8057aa76_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:\Windows\:\autorun.inf patcher.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5904 2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 1596 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_6526dba6833114aef3c4e40b8057aa76_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_6526dba6833114aef3c4e40b8057aa76_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
- Drops file in Windows 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:1596
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 3.3MB
- SHA256 20104b5366936f7c2f607bc5bbbc7606293313386649e0ed444e4ff28a08c3dd
- MD5 6526dba6833114aef3c4e40b8057aa76
- SHA1 39cb3d3d17676630bff0b0c1f1f06381f2f09478
- SHA512 3e849e10190e6f1830e2bdcc90fcea3f2b07de13d9115e02e8612c625b708b90ce474b0eab68675491b39fe48d7a7b46da4276ee4d094c08f8c99d089d36e0b6
- SSDEEP 49152:A3k03kHRJd56rIeW4SkZP4sz9Mb5eW4SkZP4sz9MbBPji0Aj:A3k03kHR4r0fkZcNfkZcRjo
- TLSH T172F52B16F6788722D0B7C0B9C5D6AA9AFA3238455F308ACB0345D72C3E277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 3.8MB
- SHA256 ce7835b123f7df08e902f6bf54da402ae2e526683eeca99f2f5788d4480da4ad
- MD5 ea674c3ce06b9f3b21dcc64f373891e9
- SHA1 661e9db0d61e3a651a6c1fc022e7c364b975d16e
- SHA512 3566aaed771812ddd350b954ffd0677df408cddefc011287da78c1471aeb4451793040ebb545203d6cf28545fc4f7c002d782f55f3fbacc22e65fd22ba868950
- SSDEEP 49152:A3k03kHRJd56rIeW4SkZP4sz9Mb5eW4SkZP4sz9MbBPji0AjKPji0Aj:A3k03kHR4r0fkZcNfkZcRjo0jo
- TLSH T1B8061A16F6788722D077C0B9C5D6AA9AFA3238465F308ACB0345D72C3E277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe
- Size 3.3MB
- SHA256 08ce996f7461e4d4ec49187d8cbdfdb7458242cd3f8f6cfb61e32cbbf1e20691
- MD5 ac1b6b1fa5ef1cbdfbc2a7215720bae9
- SHA1 0ba73aa3ee81d9dbadd0df856ed30b06804ee8ce
- SHA512 491f14e7ea92651dc97e35086ede418db10c847e23282e8cf6b5736b5c84cf1cf584fe718327c6673a5165e2d5efa6d201e95921da7e59670e4ab1b2818c5d0e
- SSDEEP 49152:A3k03kHRJd56rIeW4SkZP4sz9Mb5eW4SkZP4sz9MbBPji0AjU:A3k03kHR4r0fkZcNfkZcRjoo
- TLSH T10DF53B16F6788722D0B7C0B9C5D6AA9AFA3238455F308ACB0345D72C3E277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH