Analysis
- max time kernel
109s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 15:11
Behavioral task
behavioral1
Sample
2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 3.6MB
- Sample260729-skydzaad33
- SHA256 7539ab7d211571784ff3f9f74872d3ee92a53b8880da61090122408535084673
- MD5 da4ef7f20557988ed5344b9c8065440f
- SHA1 dc6906dd1133b000dfd844b4bc4db0a95f7ad068
- SHA512 db17bdeec1e720b5e8385abf810bdc278abe69fd5817b3425daf187591c0e33bd0797fd5d0aa2cf8a968149aa87b18ec002c7186955e89aafd11b4c47cc5ee4a
- SSDEEP 49152:A3k03kHRJ6eW4SkZP4sz9MbDi+eW4SkZP4sz9MbBPji0Aj:A3k03kHRQfkZcDiWfkZcRjo
- TLSH T1C6061956F7788B32F076C079C5D2A669F932384907B289CB024EA7282F377D586F5325
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/4688-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000c00000001c55a-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000400000001b2cd-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5756-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4688-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001a1b0-1019.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0004000000019c9e-1287.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000c00000001c55a-5.dat aspack_v212_v242 behavioral2/files/0x000400000001b2cd-11.dat aspack_v212_v242 behavioral2/files/0x000300000001a1b0-1019.dat aspack_v212_v242 behavioral2/files/0x0004000000019c9e-1287.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 5756 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" 2026-07-29_da4ef7f20557988ed5344b9c8065440f_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 2026-07-29_da4ef7f20557988ed5344b9c8065440f_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\javaws.exe$ 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\dotnet.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_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$ 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmplayer.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe$ patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.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\EdgeWebView\Application\122.0.2365.106\Installer\setup.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe$ 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSREC.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\Java\jdk-1.8\bin\jsadebugd.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_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\kinit.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe patcher.exe File opened for modification C:\Program Files\Windows Defender\MpDlpCmd.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedgewebview2.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\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\bin\javah.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_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\Mozilla Firefox\crashreporter.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe$ patcher.exe File opened for modification C:\Program Files\Windows Media Player\wmlaunch.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\Java\jdk-1.8\bin\jdb.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.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)\Microsoft\EdgeCore\122.0.2365.106\msedgewebview2.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\pwahelper.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\cookie_exporter.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\MicrosoftEdgeUpdate.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\visicon.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateComRegisterShell64.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_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\Windows Defender\Offline\OfflineScannerShell.exe 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\identity_helper.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateComRegisterShell64.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.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 2026-07-29_da4ef7f20557988ed5344b9c8065440f_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 2026-07-29_da4ef7f20557988ed5344b9c8065440f_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 4688 2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 5756 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-29_da4ef7f20557988ed5344b9c8065440f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-29_da4ef7f20557988ed5344b9c8065440f_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:4688
-
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:5756
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 3.6MB
- SHA256 7539ab7d211571784ff3f9f74872d3ee92a53b8880da61090122408535084673
- MD5 da4ef7f20557988ed5344b9c8065440f
- SHA1 dc6906dd1133b000dfd844b4bc4db0a95f7ad068
- SHA512 db17bdeec1e720b5e8385abf810bdc278abe69fd5817b3425daf187591c0e33bd0797fd5d0aa2cf8a968149aa87b18ec002c7186955e89aafd11b4c47cc5ee4a
- SSDEEP 49152:A3k03kHRJ6eW4SkZP4sz9MbDi+eW4SkZP4sz9MbBPji0Aj:A3k03kHRQfkZcDiWfkZcRjo
- TLSH T1C6061956F7788B32F076C079C5D2A669F932384907B289CB024EA7282F377D586F5325
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 4.1MB
- SHA256 50bfde2c8e50a9984df89c15b8bf99a5ca0219ef714af1d5de60167c1a693203
- MD5 0add367f50655422d31b41d9f72c5016
- SHA1 1dc27daa31ba0b28b443d0a3a40c2c9a7df2f377
- SHA512 6b060d79789999f90c08a5eee51646781c93ddd5167dd3cd7754d7d620e86dba9cb92448cc1a2eb0cdaf41fe07b24d1df2f13f947013b2b319889ed8f8c90040
- SSDEEP 49152:A3k03kHRJ6eW4SkZP4sz9MbDi+eW4SkZP4sz9MbBPji0AjKPji0Aj:A3k03kHRQfkZcDiWfkZcRjo0jo
- TLSH T1AE161856F7788B32F076C0B9C5D2A669F932384507B18ACB024EA7282F376D586F5335
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE
- Size 3.6MB
- SHA256 23ea3b98655c8b23f77efed83640b4d564cc9ad53da722fdf6e601900e70b131
- MD5 1a4f7899896b0bcaff775eeb64ffaa12
- SHA1 21f22eca6d5c84331707836abd6bb05255cb0ba5
- SHA512 370a78c1e082081377887e9c11c9f1db7a257d91358976830546a969d2196428a8ca6b3de254aa4556e554fa408edf9a3f381c550526f545f5308d8caf539e06
- SSDEEP 49152:A3k03kHRJ6eW4SkZP4sz9MbDi+eW4SkZP4sz9MbBPji0Aj7:A3k03kHRQfkZcDiWfkZcRjoX
- TLSH T1D1062956F7788B32F076C079C5D2A669F932384907B289CB024EA7282F377D586F5325
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
- Size 3.7MB
- SHA256 70bfa877e216415c9a80754d5ef8328e722bbd703b37758a8d690397cc5b4887
- MD5 5ae7ec8e00f910891a070e6ff2164fba
- SHA1 12995bc2da107d98e567f4e0ec49f62df6023408
- SHA512 42b3006b2376b5c0a673d81f2777e7ccedf6628cdebb0b34d62c412f1b9071080eea9a4db647ecb8fae22b1f7d65a71a935bfe41027533dcc4af44137ca6c758
- SSDEEP 49152:A3k03kHRJ6eW4SkZP4sz9MbDi+eW4SkZP4sz9MbBPji0Ajq:A3k03kHRQfkZcDiWfkZcRjo2
- TLSH T100061856F7788B32F0B6C075C4D6A669F9323C4907B289CB024EA7282F376D586F5325
- MD5 SHA1 SHA512 SSDEEP TLSH