Analysis
- max time kernel
108s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 13:53
Behavioral task
behavioral1
Sample
2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.9MB
- Sample260803-q7gnma1dpg
- SHA256 5f031f6b70cdac8a290b98738d6c652e771c5b9c209572b8cc3adeedf00c85e9
- MD5 d8e876e8dcbd318e2c5b1f68f84f3d16
- SHA1 ee5fd0219af7fb18409aea94ba0634f108a4d0c7
- SHA512 b00afb964fa2e47f8c95dc770b14b48fb031226cf85630d0833f5b1ff9c3c80c8760b5332a22f9822fed263cab4bd73b5f971319599ad5c31f044c590a2308b0
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlPoopQWZD3mnXoZ643mnXoZ6i6cMJlancMJlw:A3k03kHRJARJz3k03kHRJARJy
- TLSH T1F7959D07F79900E8D11AC1789AA69A22FB75BC56173093DF1358C6162F63BD0AF3E394
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 5 IoCs
resource yara_rule behavioral2/memory/5000-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000c00000001c540-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b32b-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5000-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3592-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000c00000001c540-5.dat aspack_v212_v242 behavioral2/files/0x000200000001b32b-11.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3592 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" 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_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 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_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\Java\jdk-1.8\bin\wsimport.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe patcher.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe$ patcher.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe$ patcher.exe File opened for modification C:\Program Files\Windows Defender\MpDlpService.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7z.exe$ patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe$ 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe$ 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe$ 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE$ 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_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 (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe$ 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_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.NetFX45.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe$ 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\idlj.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pj11icon.exe$ 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_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\Windows Defender Advanced Threat Protection\SenseGPParser.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\jrunscript.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\grv_icons.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe$ 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_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}\outicon.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_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}\outicon.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\Microsoft Office\root\Office16\ORGCHART.EXE 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE patcher.exe File opened for modification C:\Program Files\Windows Defender\MpDlpCmd.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\klist.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\Integrator.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe$ 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE$ 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\MpDlpService.exe 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\jjs.exe patcher.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 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_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 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_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 5000 2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3592 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_d8e876e8dcbd318e2c5b1f68f84f3d16_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:5000
-
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:3592
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.9MB
- SHA256 5f031f6b70cdac8a290b98738d6c652e771c5b9c209572b8cc3adeedf00c85e9
- MD5 d8e876e8dcbd318e2c5b1f68f84f3d16
- SHA1 ee5fd0219af7fb18409aea94ba0634f108a4d0c7
- SHA512 b00afb964fa2e47f8c95dc770b14b48fb031226cf85630d0833f5b1ff9c3c80c8760b5332a22f9822fed263cab4bd73b5f971319599ad5c31f044c590a2308b0
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlPoopQWZD3mnXoZ643mnXoZ6i6cMJlancMJlw:A3k03kHRJARJz3k03kHRJARJy
- TLSH T1F7959D07F79900E8D11AC1789AA69A22FB75BC56173093DF1358C6162F63BD0AF3E394
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.4MB
- SHA256 58f491abc39d8f1dbf4742ee46c7344e7b7d39ee63454f36e323ea9d8db7722b
- MD5 a1f6617ce4252bc4fc7dda72fd29edb8
- SHA1 27002439c98134b59aaf359bbe203f6f17570576
- SHA512 9a8dde3e97a97263ce76192cba8085bd3c3c8f5bcbf5fb3f19fc159028888de5a87a554cd4bb152d2b12c271f666a5c3b6a51c00e1c8b33b81e5123412caa66b
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlPoopQWZD3mnXoZ643mnXoZ6i6cMJlancMJl0:A3k03kHRJARJz3k03kHRJARJyPji0Aj
- TLSH T153C58C17F6A801F9D066C178CAD69A66FB717842173097CF1354C6292F63BE0AF3A361
- MD5 SHA1 SHA512 SSDEEP TLSH