Analysis
- max time kernel
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
04/08/2026, 07:53
Behavioral task
behavioral1
Sample
2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_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_2d5e3531fa2a1c3d551a2c0552aa74f7_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_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.9MB
- Sample260804-jrcamsff54
- SHA256 9852246be27b39078330da7fd47188fe58ef6fc9311498ad649a40e3896ce6c9
- MD5 2d5e3531fa2a1c3d551a2c0552aa74f7
- SHA1 3aa3dab76d95a6dc4709a74bd151118d1b221f3b
- SHA512 4963d7644fa5acca189a63c69fa082210bcdd46fd3bbd82d2a676eb3fa31b72be5fa99ad835332266288ececa8c9909e6306a2a6505baa42b814ae16e7129eb1
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdjQyry0iLasiXu3mnXoZ643mnXoZ6iLa5D55:A3k03kB56rb3k03kB56rK
- TLSH T199958B03E6840FA5D10F81749A964662EA777C425F6093DF2358AE153F72BC06B3E39B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 5 IoCs
resource yara_rule behavioral2/memory/4140-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000c00000001c5dd-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2d6-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4140-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3432-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000c00000001c5dd-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2d6-11.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3432 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" 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_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 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_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)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe$ patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\kinit.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_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$ 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe patcher.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.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\klist.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\java.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\DlpUserAgent.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_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\7-Zip\Uninstall.exe$ 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_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 opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE patcher.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\bin\jstatd.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\wsgen.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\misc.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe$ 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe$ patcher.exe File opened for modification C:\Program Files\Windows Mail\wab.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe$ 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe$ 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\outicon.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_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\bin\unpack200.exe patcher.exe File created C:\Program Files\Mozilla Firefox\nmhproxy.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\BHO\ie_to_edge_stub.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedgewebview2.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateComRegisterShell64.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe patcher.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe$ 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe$ 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ielowutil.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\elevated_tracing_service.exe$ patcher.exe File created C:\Program Files\Java\jre-1.8\bin\servertool.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jconsole.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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 patcher.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_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 4140 2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3432 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_2d5e3531fa2a1c3d551a2c0552aa74f7_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:4140
-
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:3432
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.9MB
- SHA256 9852246be27b39078330da7fd47188fe58ef6fc9311498ad649a40e3896ce6c9
- MD5 2d5e3531fa2a1c3d551a2c0552aa74f7
- SHA1 3aa3dab76d95a6dc4709a74bd151118d1b221f3b
- SHA512 4963d7644fa5acca189a63c69fa082210bcdd46fd3bbd82d2a676eb3fa31b72be5fa99ad835332266288ececa8c9909e6306a2a6505baa42b814ae16e7129eb1
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdjQyry0iLasiXu3mnXoZ643mnXoZ6iLa5D55:A3k03kB56rb3k03kB56rK
- TLSH T199958B03E6840FA5D10F81749A964662EA777C425F6093DF2358AE153F72BC06B3E39B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.4MB
- SHA256 226e465320b76cde5124efe581de14d79701c44aefafa34a143cbb3bc87fcf47
- MD5 80c340cfdb8678f8f0f97ad8940e40fb
- SHA1 9b6103acaf5ed98c9732afb93fdf7cf5803fe783
- SHA512 473a8659a9cbd66a1fac348e99b20a7a11f58aba19cc50e5ad9256c61222c0f983f3cf3e8aa9461b4653317fe7b72f1cdb2b046d3b0e939320a50df55a5b43c8
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdjQyry0iLasiXu3mnXoZ643mnXoZ6iLa5D5x:A3k03kB56rb3k03kB56raPji0Aj
- TLSH T126C56B17E6A40FA5D01FC174C5D69666EA733C425F2087CB1358DE283F62BD0AA3A367
- MD5 SHA1 SHA512 SSDEEP TLSH