Analysis
- max time kernel
107s - 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, 03:39
Behavioral task
behavioral1
Sample
2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11-20260513-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 3.1MB
- Sample260529-d7mtesb16m
- SHA256 b9f43bc29cb8aa0cb255172e0ea063c7ec6992e4a0101c00f34ee735baceee84
- MD5 fcf1c31e0083e0c55e4941381501217e
- SHA1 b96954aa04d17715a68587a3f9e70f99b87ebd5e
- SHA512 37fffeb7a1a50093f5dc44c1fc426e87df0d28e290cd55895b57a67f3f3187d2ab946ac9a4a6b462c38dd3b0b1f5487a60460889c1f69959b107f2c19e23be3d
- SSDEEP 49152:A3k03kHRJCeW4SkZP4sz9MbE56rhqJtb2IRPji0Aj:A3k03kHR8fkZcBrhYjo
- TLSH T196E53B16F6788762D077C0B9C5D2A69AFA3238425F308ACB0345D7283F277D5963A736
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Custom signatureDetects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/4376-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x001a00000002b482-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000002a3f1-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4376-57-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/1812-70-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x00120000000004ab-2057.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x001a00000002b482-5.dat aspack_v212_v242 behavioral2/files/0x000200000002a3f1-11.dat aspack_v212_v242 behavioral2/files/0x00120000000004ab-2057.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 1812 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_fcf1c31e0083e0c55e4941381501217e_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 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\SysWOW64\:\autorun.inf patcher.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\rmid.exe$ patcher.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe$ 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE patcher.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe$ 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe$ 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE$ 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\lyncicon.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE$ patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_4.0.2.0_x64__8wekyb3d8bbwe\StickyNotesStub.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsTerminal_1.6.10571.0_x64__8wekyb3d8bbwe\WindowsTerminal.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_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 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE$ 2026-05-29_fcf1c31e0083e0c55e4941381501217e_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}\grv_icons.exe$ 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe$ patcher.exe File created C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_12008.1001.1.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\schemagen.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\Microsoft Office\root\Office16\XLICONS.EXE$ 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE patcher.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 Media Player\wmpconfig.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.41182.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\7-Zip\7zG.exe patcher.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\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe$ 2026-05-29_fcf1c31e0083e0c55e4941381501217e_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}\xlicons.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe$ 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\msoasb.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_2.2106.2807.0_x64__8wekyb3d8bbwe\Cortana.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\orbd.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE$ patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe 2026-05-29_fcf1c31e0083e0c55e4941381501217e_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\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\xlicons.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 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language patcher.exe - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4376 2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 1812 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-29_fcf1c31e0083e0c55e4941381501217e_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:4376
-
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:1812
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 3.1MB
- SHA256 b9f43bc29cb8aa0cb255172e0ea063c7ec6992e4a0101c00f34ee735baceee84
- MD5 fcf1c31e0083e0c55e4941381501217e
- SHA1 b96954aa04d17715a68587a3f9e70f99b87ebd5e
- SHA512 37fffeb7a1a50093f5dc44c1fc426e87df0d28e290cd55895b57a67f3f3187d2ab946ac9a4a6b462c38dd3b0b1f5487a60460889c1f69959b107f2c19e23be3d
- SSDEEP 49152:A3k03kHRJCeW4SkZP4sz9MbE56rhqJtb2IRPji0Aj:A3k03kHR8fkZcBrhYjo
- TLSH T196E53B16F6788762D077C0B9C5D2A69AFA3238425F308ACB0345D7283F277D5963A736
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 3.6MB
- SHA256 9e16df41e1664ce487f5194fb08402be3cb15a3dbca1121b26a612218f5f9d8e
- MD5 5018f20e85a96610f498b7a221cb75d1
- SHA1 c7244fe42d80ea05bd297fcfc0557121772852f2
- SHA512 3f3b8921551eec86e32fc1dae420407108517b63105b9f30c85d5a544a8a19df66e20400365ef5897d300942498ac1cd26859482b61bb6e878a91afa14ecef23
- SSDEEP 49152:A3k03kHRJCeW4SkZP4sz9MbE56rhqJtb2IRPji0AjKPji0Aj:A3k03kHR8fkZcBrhYjo0jo
- TLSH T151061916F6788762D077C0B9C5D2A69AFA3238465F308ACB0345D7283F277D5963A732
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
- Size 3.3MB
- SHA256 622e6c9aa6dd5f1063c71d37d25680bae5fa2880603fb677a29198f7efa87853
- MD5 b3cdefc15213166e86597ccdd56ebea1
- SHA1 1f7fa46d0d6cd95c81596d5039b8a7858732d7e6
- SHA512 3d8b31f5ff59f0c29157d5f5d82fa49713c3b0f8c3208a4aff169d801209a25b0bb8e75c0252f7ba71780e8f657c448e736ca67814ad15f70ffdc5ff93c63954
- SSDEEP 49152:A3k03kHRJCeW4SkZP4sz9MbE56rhqJtb2IRPji0AjYi2WH3:A3k03kHR8fkZcBrhYjoMuX
- TLSH T18EF53A16F6B88772D077C079C5D2A69AFA3238425F3086CB0345D72C2E277D59A3A736
- MD5 SHA1 SHA512 SSDEEP TLSH