Analysis
- max time kernel
98s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/05/2026, 01:25
Behavioral task
behavioral1
Sample
2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11-20260513-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.1MB
- Sample260529-btceesfx8r
- SHA256 12a81d67264b3ac72e8de1b4e5cc35743b444a0267abaf5ef04e7c24368b1ffc
- MD5 d3f8f7776bf1d0a3faa008ca52dc5abc
- SHA1 b5f9c08d651df2914fb65c92fd3257b42c3a97f3
- SHA512 01571458c4eea8e8b8d51b8dfbb2ab3b85872c3215677be886ca8ac613f2bb3e4ecbdd50c104ad53c040ecfde0fd5e674fcdb886371aff7c41fcd865dbd690e3
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ2RojsqiZaidkiy3zD5TvinrmC:A3k03kHRJQ56rX
- TLSH T1A4457B03E6980FA4D11F81749A964662EA777C125F6093CF1358AE153F72BC0AF3A397
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Custom signatureDetects executables packed with ASPack 8 IoCs
resource yara_rule behavioral2/memory/4308-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x001a00000002b47d-8.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4792-13-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4308-76-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4792-77-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0002000000028de0-1285.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x001e00000001a60a-1533.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0004000000000673-1974.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x001a00000002b47d-8.dat aspack_v212_v242 behavioral2/files/0x0002000000028de0-1285.dat aspack_v212_v242 behavioral2/files/0x001e00000001a60a-1533.dat aspack_v212_v242 behavioral2/files/0x0004000000000673-1974.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4792 patcher.exe - 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" 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_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:\Windows\SysWOW64\:\autorun.inf patcher.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\:\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\serialver.exe patcher.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\Microsoft Office\root\Office16\IEContentService.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_1.0.38.0_x64__8wekyb3d8bbwe\SoundRec.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_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\rmic.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe$ 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pj11icon.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\7-Zip\Uninstall.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe$ patcher.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_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\Microsoft Office\root\Office16\CNFNOT32.EXE 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_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\Java\jdk-1.8\bin\jhat.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe$ 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\servertool.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE$ 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\grv_icons.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\schemagen.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_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}\wordicon.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_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}\msouc.exe$ patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsTerminal_1.6.10571.0_x64__8wekyb3d8bbwe\WindowsTerminal.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe$ 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\grv_icons.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pj11icon.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE$ 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_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$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\dbcicons.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2020.503.58.0_x64__8wekyb3d8bbwe\WindowsCamera.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\Java\jre-1.8\bin\java-rmi.exe 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.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 patcher.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4308 2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4792 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-29_d3f8f7776bf1d0a3faa008ca52dc5abc_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:4308
-
C:\905c0769f9a06c95a24ddf945\patcher.exeC:\905c0769f9a06c95a24ddf945\patcher.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4792
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe$
- Size 1.1MB
- SHA256 12a81d67264b3ac72e8de1b4e5cc35743b444a0267abaf5ef04e7c24368b1ffc
- MD5 d3f8f7776bf1d0a3faa008ca52dc5abc
- SHA1 b5f9c08d651df2914fb65c92fd3257b42c3a97f3
- SHA512 01571458c4eea8e8b8d51b8dfbb2ab3b85872c3215677be886ca8ac613f2bb3e4ecbdd50c104ad53c040ecfde0fd5e674fcdb886371aff7c41fcd865dbd690e3
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ2RojsqiZaidkiy3zD5TvinrmC:A3k03kHRJQ56rX
- TLSH T1A4457B03E6980FA4D11F81749A964662EA777C125F6093CF1358AE153F72BC0AF3A397
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$
- Size 1.6MB
- SHA256 b6efc555abfdcd8b249120207b7ec5013da31fd3f3f8b3f504bc86499cdae0a3
- MD5 d6987511d6690d4bef7f8876a689bae5
- SHA1 01b0903f43b022b5ddfcea425a3af3bfd5d11067
- SHA512 fa00f8ad137f0e805f28153b51828cc2992fd5501a50c4c9a4bd511b79106bb57aeb993af8b4b3b3d8fb1646b93014104eabb4816b15178d84c1cd92d412191f
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ2RojsqiZaidkiy3zD5TvinrmO3Td9CHKy7GZO:A3k03kHRJQ56rXTd9CHKyao
- TLSH T17E757C02E7D40AE4E16FC23499A64522EA777C561F2087CF1354AE153F32BD0AE39B67
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe$
- Size 1.2MB
- SHA256 af44d91454b0aa01abd317940c7654d27d3b9f47086bf7d0fb2dc326a66f4065
- MD5 7b37c498d10487a31984acfcc47d21ca
- SHA1 34312e6a3e8f3e6281b700c772909a1dda878291
- SHA512 39e4e5fd4223fafbe08468d738a590be9d95fc67a006a732fe459b95089eb29cf702be172411e67d469b0fe79ee06cef6c3ad0103c164c4652cedee39ef2faba
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ2RojsqiZaidkiy3zD5TvinrmgF:A3k03kHRJQ56r9
- TLSH T1B2456B03E6940FA5D64F813099964622EA377D521F2097EF1368BF253F327C0AA39397
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\Microsoft\ClickToRun\{9AC08E99-230B-47e8-9721-4577B7F124EA}\integrator.exe$
- Size 1.6MB
- SHA256 7d3330958e3d3dce95163329d7a03757abd9d06640510062167701f2d8b3142f
- MD5 19143c1f812e86018be08e78bd3290fe
- SHA1 d2221496629f22eee11f2a0556392cd867523b58
- SHA512 97fd18ab5e8fe253d242df086548719a4d4560db018199f8e0f2e07ff7c448633ba4077fbc2339a85578a792fd9cba412620cadc122fb0ef4dfa35a41bb47a4c
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ2RojsqiZaidkiy3zD5TvinrmJ3npi63iC:A3k03kHRJQ56reXpiMh
- TLSH T1D4756C03B7D84AB4E17B86309AB54662EA777C525F3083CF23945E193F716C0AA39763
- MD5 SHA1 SHA512 SSDEEP TLSH