Analysis
- max time kernel
107s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 17:06
Behavioral task
behavioral1
Sample
2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 2.1MB
- Sample260802-vmxxbsda94
- SHA256 1046ce467d1bea7cc9b2efc138b315ca38ff7c505216ec304579f9b2b6f80b11
- MD5 b7c81ee1df31fd71b684b4b3fb84d268
- SHA1 11f3ef7cb301fb4acc46859d57b5576791c937da
- SHA512 97f1ae0b74f0ac060854f72a29e39479d42dd8bf99175c9d05e74104752697fd8d54016e23d95d5a68122c4f27bea1c241aeec8051954e7f5004bbb12a8e3ba8
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOasTQKND5TvinrmbjYTqMi8CtBd2QHCHS:A3k03kHRJR56rhqJtb2IRpYq
- TLSH T163A54A16F6644B65D07BC0B9C5D2969AEA333C425F3087CB1385DB283F277D19A3A722
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/5956-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c5af-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2d6-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5956-75-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3804-106-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001ac53-1261.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c5af-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2d6-11.dat aspack_v212_v242 behavioral2/files/0x000300000001ac53-1261.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3804 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" 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_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 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_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 created C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SCANPST.EXE patcher.exe File opened for modification 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\EdgeWebView\Application\122.0.2365.106\BHO\ie_to_edge_stub.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\bin\schemagen.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe$ patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\jdk-1.8\bin\jconsole.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateBroker.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateComRegisterShell64.exe$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe patcher.exe File created C:\Program Files\VideoLAN\VLC\vlc.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe patcher.exe File opened for modification C:\Program Files\Windows Defender\DlpUserAgent.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\Installer\setup.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\grv_icons.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\BHO\ie_to_edge_stub.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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)\Internet Explorer\ieinstal.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_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 opened for modification C:\Program Files\Internet Explorer\iediagcmd.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\Java\jdk-1.8\bin\javaws.exe$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_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\Windows Defender\ConfigSecurityPolicy.exe 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe patcher.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.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 opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_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}\pptico.exe$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe$ 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Drops file in Windows directory 2 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 - 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 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_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 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_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 5956 2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3804 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_b7c81ee1df31fd71b684b4b3fb84d268_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:5956
-
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:3804
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 2.1MB
- SHA256 1046ce467d1bea7cc9b2efc138b315ca38ff7c505216ec304579f9b2b6f80b11
- MD5 b7c81ee1df31fd71b684b4b3fb84d268
- SHA1 11f3ef7cb301fb4acc46859d57b5576791c937da
- SHA512 97f1ae0b74f0ac060854f72a29e39479d42dd8bf99175c9d05e74104752697fd8d54016e23d95d5a68122c4f27bea1c241aeec8051954e7f5004bbb12a8e3ba8
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOasTQKND5TvinrmbjYTqMi8CtBd2QHCHS:A3k03kHRJR56rhqJtb2IRpYq
- TLSH T163A54A16F6644B65D07BC0B9C5D2969AEA333C425F3087CB1385DB283F277D19A3A722
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.6MB
- SHA256 09af0d98d03f681e2334513f97049014b912447c59223440d50dda23655a4217
- MD5 bc84c48445919afbe42eab59bf6fc9c3
- SHA1 1fca4e8192e0b29088a42504b1fa85f5ca9b5bff
- SHA512 a73149972c07be68f1077fbf4856fb447fd60d93660573d4bc94d4f02a864864b42602935f7be9a9e35d1eb0b02664190fb4118a414c1602921cd038c52805f9
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOasTQKND5TvinrmbjYTqMi8CtBd2QHCHs:A3k03kHRJR56rhqJtb2IRpYqjPji0Aj
- TLSH T1FCD55B16F6644775D077C0B9C5D2A69AEA3238425F308BCB1385DB283F277D19A3A732
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe$
- Size 2.2MB
- SHA256 c90b17633cb2fe596fb4d1b65b6fa0dd018213957901f88088f6a009b5177d4f
- MD5 c8294f935890caba6df1eca5f332152f
- SHA1 b4dccb0839e425754087145ddbaff80efdbe442b
- SHA512 014924bfde5a292f0439e03a8c859b2f0ff9f3ca91a551cc680e4179cd37ae9568c5b2c6bbb44d1920547ac635c67c3ec45b204a9716589b6e05cba92bfe4e62
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOasTQKND5TvinrmbjYTqMi8CtBd2QHCHg:A3k03kHRJR56rhqJtb2IRpYqt
- TLSH T1DAB54A16F6A44B65D06BC079C9D29656EA323C425F308BCB1345FB283F377D19A3A722
- MD5 SHA1 SHA512 SSDEEP TLSH