Analysis
- max time kernel
113s - max time network
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/08/2026, 18:52
Behavioral task
behavioral1
Sample
2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.8MB
- Sample260812-xjeyfsshld
- SHA256 bd2683a23d28fec3b4640ee8fb95cd37ad8dade400eac6825c7a555cc336f388
- MD5 c4bc321a006fe307196998b303b30da3
- SHA1 0cb41d7be8c6f42f81f9bba59830e262ebe21463
- SHA512 ddbfff489851f7a64f5a9ccb44a44f50bfc0dc3717ddbaf7869a5f32908169df12fb3110d7d5f1b586b27311b43a8b22f01e001052db841f89538fc0ab96914e
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bscEc+pmL3mnXoZ643mnXoZ6i6cMJlCUQ0d:A3k03kHRJ83k03kHRJB
- TLSH T1C285AE13EB9500E9D10AC1749AD69A23FB75BC56176093DF2358C2152F62BD0BF3E3A8
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/4420-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c54e-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b305-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4420-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4364-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x00200000000187fc-1525.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c54e-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b305-11.dat aspack_v212_v242 behavioral2/files/0x00200000000187fc-1525.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4364 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" 2026-08-12_c4bc321a006fe307196998b303b30da3_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 2026-08-12_c4bc321a006fe307196998b303b30da3_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\javadoc.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe$ 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE patcher.exe File opened for modification C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe patcher.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.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\Common Files\microsoft shared\ink\TabTip.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe$ 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\rmid.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification 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)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedgewebview2.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_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\Microsoft Office\root\Office16\msotd.exe$ 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE$ patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe$ 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe patcher.exe File opened for modification 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\jconsole.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\misc.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\protocolhandler.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\Windows Media Player\wmpnscfg.exe patcher.exe File opened for modification C:\Program Files\InitializeAssert.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\pwahelper.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jstack.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\keytool.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.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\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_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\SETLANG.EXE$ 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\msinfo32.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateCore.exe$ patcher.exe File created C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmprph.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\klist.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe$ 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe$ 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created 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\javaw.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMHelper.exe$ 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE 2026-08-12_c4bc321a006fe307196998b303b30da3_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 (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateCore.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe 2026-08-12_c4bc321a006fe307196998b303b30da3_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}\visicon.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 2026-08-12_c4bc321a006fe307196998b303b30da3_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 2026-08-12_c4bc321a006fe307196998b303b30da3_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 4420 2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4364 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-12_c4bc321a006fe307196998b303b30da3_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-12_c4bc321a006fe307196998b303b30da3_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:4420
-
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:4364
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.8MB
- SHA256 bd2683a23d28fec3b4640ee8fb95cd37ad8dade400eac6825c7a555cc336f388
- MD5 c4bc321a006fe307196998b303b30da3
- SHA1 0cb41d7be8c6f42f81f9bba59830e262ebe21463
- SHA512 ddbfff489851f7a64f5a9ccb44a44f50bfc0dc3717ddbaf7869a5f32908169df12fb3110d7d5f1b586b27311b43a8b22f01e001052db841f89538fc0ab96914e
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bscEc+pmL3mnXoZ643mnXoZ6i6cMJlCUQ0d:A3k03kHRJ83k03kHRJB
- TLSH T1C285AE13EB9500E9D10AC1749AD69A23FB75BC56176093DF2358C2152F62BD0BF3E3A8
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$
- Size 2.2MB
- SHA256 5ae39e27fc3dd29cdb4775f7272f55a8df052863363eb7da8b0c5e24a082bfe5
- MD5 797519a6b7e5181e912eabc75ae048d2
- SHA1 8914b54e0019955b5043aac81a677d0f7e4fc5cf
- SHA512 f5d303a42c18124ff26f410fe1c810fbbba484c2bafc8c4f4ba9749faf4a427c3d2999ae387bb80ff8713ee290a07989295c4a7fb30d50f4935b9f65e0f21f91
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bscEc+pmL3mnXoZ643mnXoZ6i6cMJlCUQ0a:A3k03kHRJ83k03kHRJxTd9CHKyao
- TLSH T108B59E13E7D400E8E12BC2749AA68622EA757C561B70D7CF136882152F73BD0AF3DB65
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.3MB
- SHA256 068bb75c7065f83b05ce7bdbff0813e9d46368f4171d4b9199d5f5c4aac5700c
- MD5 76f6731b974b4e88d1953011e33e0baa
- SHA1 948cd32be90c750afedf3c1ce8629fb7e733553d
- SHA512 42458ae14671f7bfa2138e101f6ef1233fcd1c5246b26bb2a1fa7eb0b64e98a618eda01d3d9012e027c7ebdecb298c3e455ecbfc672b0797209689d64c36b9c9
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bscEc+pmL3mnXoZ643mnXoZ6i6cMJlCUQ0V:A3k03kHRJ83k03kHRJdPji0Aj
- TLSH T1A7B59D17FAA401B5D026C178CAD69A66FA717846173097CF1358C7293F63BD0AB3E3A4
- MD5 SHA1 SHA512 SSDEEP TLSH