Analysis
- max time kernel
109s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
11/08/2026, 22:20
Behavioral task
behavioral1
Sample
2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 3.7MB
- Sample260811-19ks6sshqc
- SHA256 dfcf66105cf660e1f73caa8b88fac4754b1705e4aaf3689038914043644412f5
- MD5 b6385f975cf889d93fefc288af7cabf0
- SHA1 e6acbc68701b31a747794a2445dca6001b1a4727
- SHA512 057f731abe23fcb6bf0f0d78fcf2023a7a3cc2571cff1a0af3f831be81d782b568d5ce0bb891e87ca7dafaf8c9077ee19f9a8da37d65448ae0c1ab8260e6e896
- SSDEEP 49152:A3k03kHRJ8qJtb2I4turNp5B56r+qJtb2Iziv:A3k03kHRG76dCr+Eiv
- TLSH T16C062952E7544EB5F02EC074C2A2566AF6733D050BE296CB128DFA392F326C55DF9322
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/5052-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000c00000001c593-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2a3-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5052-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3452-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019982-558.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0006000000019ef8-1148.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000c00000001c593-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2a3-11.dat aspack_v212_v242 behavioral2/files/0x0003000000019982-558.dat aspack_v212_v242 behavioral2/files/0x0006000000019ef8-1148.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3452 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" 2026-08-11_b6385f975cf889d93fefc288af7cabf0_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 2026-08-11_b6385f975cf889d93fefc288af7cabf0_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 (x86)\Microsoft\EdgeCore\122.0.2365.106\notification_click_helper.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Download\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\139.0.3405.125\MicrosoftEdge_X64_139.0.3405.125.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\notification_helper.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\jhat.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\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\identity_helper.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\7-Zip\7zFM.exe$ 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.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\FullTrustNotifier.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe$ 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_helper.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\MicrosoftEdgeUpdate.exe$ 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe$ patcher.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe$ 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe 2026-08-11_b6385f975cf889d93fefc288af7cabf0_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 (x86)\Common Files\Oracle\Java\javapath\javaw.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedgewebview2.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe$ 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Windows Media Player\wmpconfig.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE$ 2026-08-11_b6385f975cf889d93fefc288af7cabf0_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\dotnet\dotnet.exe$ 2026-08-11_b6385f975cf889d93fefc288af7cabf0_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\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmprph.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe$ patcher.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe$ 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe$ 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$ 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\MicrosoftEdgeUpdate.exe$ patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.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\Microsoft Office\root\Office16\GRAPH.EXE$ patcher.exe File created C:\Program Files\Mozilla Firefox\pingsender.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\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc.exe$ patcher.exe - Drops file in Windows directory 13 IoCs
description ioc Process 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 created C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe patcher.exe File created C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe patcher.exe File created C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.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$ 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_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe patcher.exe 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\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe$ patcher.exe File created C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.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 2026-08-11_b6385f975cf889d93fefc288af7cabf0_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 2026-08-11_b6385f975cf889d93fefc288af7cabf0_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 5052 2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3452 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-11_b6385f975cf889d93fefc288af7cabf0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-11_b6385f975cf889d93fefc288af7cabf0_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:5052
-
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:3452
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 3.7MB
- SHA256 dfcf66105cf660e1f73caa8b88fac4754b1705e4aaf3689038914043644412f5
- MD5 b6385f975cf889d93fefc288af7cabf0
- SHA1 e6acbc68701b31a747794a2445dca6001b1a4727
- SHA512 057f731abe23fcb6bf0f0d78fcf2023a7a3cc2571cff1a0af3f831be81d782b568d5ce0bb891e87ca7dafaf8c9077ee19f9a8da37d65448ae0c1ab8260e6e896
- SSDEEP 49152:A3k03kHRJ8qJtb2I4turNp5B56r+qJtb2Iziv:A3k03kHRG76dCr+Eiv
- TLSH T16C062952E7544EB5F02EC074C2A2566AF6733D050BE296CB128DFA392F326C55DF9322
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 4.2MB
- SHA256 e277d6249b24894d6ccf039b831fba259c5de818dd8631f7208df5e37d5c0029
- MD5 da2a8e3c7b6a0fec5bf567be8fd64b8a
- SHA1 58c60c6291f1d02229557de2bc5a8a5794f4288f
- SHA512 fb552954b2943a2b3f534eeae5d611c2cc0166950b66d57d9c11d13ec9a1f11ec2e7e4ead166d8975822debcbf2bc9b289f35338e006c322867a98e2ef28cf1e
- SSDEEP 49152:A3k03kHRJ8qJtb2I4turNp5B56r+qJtb2IzibPji0Aj:A3k03kHRG76dCr+Eijjo
- TLSH T191163952E7644FB5F02EC074C6A2566AF9733D450BE186CB028DEA3D2F326C559F9322
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe
- Size 3.7MB
- SHA256 1c21ff6fe3ead878b18269349b8e7ac7f84434ae10989cdeb03a719921c50d20
- MD5 114df0db0747d870773fcf787c818d5e
- SHA1 298759f56ccf070bd7d09883321b9a1d4f9e0492
- SHA512 0e2a2f595e9eace8cddf8fee52aad700c5d45fad7096839ed8b393638f1dfe0b2a1e6dc686bdc70dcd156c2128cb94371a8a0ffbc174ebaa185398b315828d75
- SSDEEP 49152:A3k03kHRJ8qJtb2I4turNp5B56r+qJtb2Izi7:A3k03kHRG76dCr+Ei7
- TLSH T130062952E7544EB5F02EC074C2A2566AF6733D050BE296CB128DFA392F326C55DF9322
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\dbcicons.exe$
- Size 3.7MB
- SHA256 cad41253255a21d63cf5aa3755cff7d82e0b06c3ae4b1b749aad81e35c1ff924
- MD5 d9c201b7bb89e4f36dc3873f42f8aa36
- SHA1 7bd375f599e021b309529063002ffc95889c31fe
- SHA512 3c6534d0d964a3d418ac8df4fa29f1c1860cb5a6db241e5c8a41c9c796634fbcfce1daf57e58ae79f5744a352d793c8462241aa736013c4dc03641b4f126f84c
- SSDEEP 49152:A3k03kHRJ8qJtb2I4turNp5B56r+qJtb2IziV:A3k03kHRG76dCr+EiV
- TLSH T149062842E7544EB5F06EC074C6A2566AB9333D450BE296CB028DFB392F326C55DF9322
- MD5 SHA1 SHA512 SSDEEP TLSH