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
10/08/2026, 16:00
Behavioral task
behavioral1
Sample
2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.3MB
- Sample260810-tf47dshc28
- SHA256 37c88a9c5bc5206c0657e4528f50f53bb2cb63bbd9967141fd3ebedb121dabe0
- MD5 fa39cf791d1db53793ac5569b3c1546c
- SHA1 70b0729ec623adc4917275620e34a18626919db9
- SHA512 fc6b243ceda9b513e7787e9fea06a3908842c14787f36757bcd2a35daa3df27f430243330706d5e3de2db5bae5b32cae56591fdcf855dfc59cc799aa5e321cbf
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYLkdQyD5jcAkSYqyE:A3k03kB56r/pYq
- TLSH T119555B16E6644FA5D02BC174C6D29666EA733C461F3097CB1344EE283F23BD19A3A763
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 5 IoCs
resource yara_rule behavioral2/memory/5744-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000c00000001c5a6-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2c2-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5744-69-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3536-70-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000c00000001c5a6-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2c2-11.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3536 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" 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_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 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_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\jre\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe$ patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe$ patcher.exe File created C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaw.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe$ 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedgewebview2.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe$ 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_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 opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\msinfo32.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\MicrosoftEdgeUpdate.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\joticon.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateSetup.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe$ 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE$ 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedgewebview2.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe$ 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.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\Windows Mail\wab.exe patcher.exe File opened for modification C:\Program Files (x86)\Internet Explorer\iexplore.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\identity_helper.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\cookie_exporter.exe$ 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\Installer\setup.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE$ patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe$ 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe patcher.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.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\Microsoft Office\root\Office16\excelcnv.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ExtExport.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Drops file in Windows directory 20 IoCs
description ioc Process File opened for modification C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe$ patcher.exe File created C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe patcher.exe File created C:\Windows\assembly\GAC_MSIL\PresentationFontCache\3.0.0.0__31bf3856ad364e35\PresentationFontCache.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\SMSvcHost\3.0.0.0__b03f5f7f11d50a3a\SMSvcHost.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Windows\assembly\GAC_MSIL\SMSvcHost\3.0.0.0__b03f5f7f11d50a3a\SMSvcHost.exe 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe$ patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe$ patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\PresentationFontCache\3.0.0.0__31bf3856ad364e35\PresentationFontCache.exe$ patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\SMSvcHost\3.0.0.0__b03f5f7f11d50a3a\SMSvcHost.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe$ patcher.exe File opened for modification C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe patcher.exe File created C:\Windows\assembly\GAC_MSIL\ComSvcConfig\3.0.0.0__b03f5f7f11d50a3a\ComSvcConfig.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe patcher.exe File opened for modification C:\Windows\:\autorun.inf patcher.exe File created C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\PresentationFontCache\3.0.0.0__31bf3856ad364e35\PresentationFontCache.exe patcher.exe File opened for modification C:\Windows\assembly\GAC_MSIL\SMSvcHost\3.0.0.0__b03f5f7f11d50a3a\SMSvcHost.exe$ 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_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 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_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 5744 2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3536 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-10_fa39cf791d1db53793ac5569b3c1546c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-10_fa39cf791d1db53793ac5569b3c1546c_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
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of SetWindowsHookEx
PID:5744
-
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:3536
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.3MB
- SHA256 37c88a9c5bc5206c0657e4528f50f53bb2cb63bbd9967141fd3ebedb121dabe0
- MD5 fa39cf791d1db53793ac5569b3c1546c
- SHA1 70b0729ec623adc4917275620e34a18626919db9
- SHA512 fc6b243ceda9b513e7787e9fea06a3908842c14787f36757bcd2a35daa3df27f430243330706d5e3de2db5bae5b32cae56591fdcf855dfc59cc799aa5e321cbf
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYLkdQyD5jcAkSYqyE:A3k03kB56r/pYq
- TLSH T119555B16E6644FA5D02BC174C6D29666EA733C461F3097CB1344EE283F23BD19A3A763
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 1.9MB
- SHA256 536bdc6de8f6676f0d764e555b084a242a5b2efd94266630141f01523f54a42a
- MD5 6bba3a02ad227a43d9452910d8c290e7
- SHA1 3ffaf146194fb5a743b37e500a5cd2a14fb5f429
- SHA512 9bc53fa0fb4425dead7ee2957b02c3c3f47154e89e47fa0a4c1f96ccfd92f334c35e6860c1bbf5a3687a4403af3dec2c36ffdde6cb87298252cb57a6eeca8cb6
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5Tvinrm5OaEBYLkdQyD5jcAkSYqyED0Le5ji0hmxNrM:A3k03kB56r/pYqjPji0Aj
- TLSH T1C7954A16F6644B75D02BC0B9C5D2969AEA723C421F3087CB1345DB283F27BD19A3A772
- MD5 SHA1 SHA512 SSDEEP TLSH