Analysis
- max time kernel
103s - max time network
140s - 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, 18:40
Behavioral task
behavioral1
Sample
2026-08-04_b41572ab0656431c6ae5cd59294b2d22_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_b41572ab0656431c6ae5cd59294b2d22_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_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.9MB
- Sample260804-xbfj1sfc28
- SHA256 ec4537534a02401b2017603241f30fbf1ac5d43463fe5fded7fa71dca450d0cc
- MD5 b41572ab0656431c6ae5cd59294b2d22
- SHA1 75c8301145307320681689cc9d0bc133974137f6
- SHA512 0fa5b2ddf877bd4dbcc1a8afacd4c33f73ef0a46d16372250dbe1270167a388d7effd5ef64380e57d1bfa7562c41e90af47332d5a5301be7e987e6a93985a722
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOasy3tPSYTqMi8CtBd2QHCHmTBW5kD5T+:A3k03kHRJSqJtb2Ij56r856rX
- TLSH T148952A16E6A44FA5D06FC174C9929656EA333C425F2087DB1344BF293F336D1AA3A723
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 8 IoCs
resource yara_rule behavioral2/memory/5368-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c4e4-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b32b-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5368-87-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4308-166-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019bea-672.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0006000000019d33-1260.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x00080000000188d8-1379.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c4e4-5.dat aspack_v212_v242 behavioral2/files/0x000200000001b32b-11.dat aspack_v212_v242 behavioral2/files/0x0003000000019bea-672.dat aspack_v212_v242 behavioral2/files/0x0006000000019d33-1260.dat aspack_v212_v242 behavioral2/files/0x00080000000188d8-1379.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4308 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_b41572ab0656431c6ae5cd59294b2d22_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_b41572ab0656431c6ae5cd59294b2d22_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\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\BHO\ie_to_edge_stub.exe 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_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}\osmclienticon.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.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\jre-1.8\bin\policytool.exe$ 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created 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\Windows Defender\MsMpEng.exe 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_helper.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe$ 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_proxy.exe patcher.exe File created C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe$ 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.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\jdk-1.8\bin\jps.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateOnDemand.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE$ 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\pwahelper.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.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 (x86)\Internet Explorer\iexplore.exe patcher.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\Google\Chrome\Application\chrome_proxy.exe$ patcher.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\jre-1.8\bin\keytool.exe 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe$ 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_132812\javaws.exe 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\MicrosoftEdgeUpdate.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\bin\xjc.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_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\OLCFG.EXE$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_proxy.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.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\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\elevation_service.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe$ 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files\Windows Media Player\wmpconfig.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{442E2BAB-89E2-4A69-94D2-35EFF397FE54}\MicrosoftEdge_X64_139.0.3405.125.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc.exe patcher.exe File created C:\Program Files\Mozilla Firefox\updater.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 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_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 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_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 5368 2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4308 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_b41572ab0656431c6ae5cd59294b2d22_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_b41572ab0656431c6ae5cd59294b2d22_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:5368
-
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:4308
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.9MB
- SHA256 ec4537534a02401b2017603241f30fbf1ac5d43463fe5fded7fa71dca450d0cc
- MD5 b41572ab0656431c6ae5cd59294b2d22
- SHA1 75c8301145307320681689cc9d0bc133974137f6
- SHA512 0fa5b2ddf877bd4dbcc1a8afacd4c33f73ef0a46d16372250dbe1270167a388d7effd5ef64380e57d1bfa7562c41e90af47332d5a5301be7e987e6a93985a722
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOasy3tPSYTqMi8CtBd2QHCHmTBW5kD5T+:A3k03kHRJSqJtb2Ij56r856rX
- TLSH T148952A16E6A44FA5D06FC174C9929656EA333C425F2087DB1344BF293F336D1AA3A723
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe$
- Size 2.3MB
- SHA256 648f42f114a0bf5636fcbc91dfe3d29fc0897d14178d6502ae07fb61dd9c9093
- MD5 4c0d9b0a12adab52367e3f333f77e8b0
- SHA1 a2025776f12f96d598cead4c23f362a821da72ed
- SHA512 6b787246949c6745aabbaff44f93f0234e4abd68919564c210ef98568a5ef06760492dad7b8d474ddda517ad47bc20e5bf3efb84178c51934d714a2e617cfe48
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOasy3tPSYTqMi8CtBd2QHCHmTBW5kD5Ta:A3k03kHRJSqJtb2Ij56r856r30Ia
- TLSH T1B7B53912F6A44BA5D06FC174C9928656EA733C524F2087CB1355BF293F336D1AA3A723
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.5MB
- SHA256 1e09c1985ea21a55390c834ad57e90edbd5a7904e4db961e54d0efd3bbafa9da
- MD5 f1fcd04afb6dbdcc69220ca3adeb245a
- SHA1 72c69a8cd4af142249be176de11896143616d859
- SHA512 9b76e77a3c35f1c35dac4ad6e27c6ca786a920aea84a035437bb8069d0d0dd6dc78293c2a2440e0160fa81b54b4e37e1c72cbdbc12d40ac9a1204d9f612edfaa
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOasy3tPSYTqMi8CtBd2QHCHmTBW5kD5Ti:A3k03kHRJSqJtb2Ij56r856rTPji0Aj
- TLSH T18EC52916F6A44B65D06BC074C9D2969AEA333C425F3087CB1345BF293F376D19A3A722
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jre-1.8\bin\pack200.exe
- Size 2.0MB
- SHA256 99c00f0bc55be38477746c4384f6d91afa62ce34d4c29386fe13099ec6665872
- MD5 7f318a8792cef10c3dfeec9b2122be85
- SHA1 d8e6f4e6a58272c9e101045fba007ef068886842
- SHA512 1a69b873096f94b6d8a826fe2922ca79ae81850df68fabbb412437cc5acbdc7c0085440e5bb4030393d076162b150df6fbeb406c089a96b85a5c670642a80919
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOasy3tPSYTqMi8CtBd2QHCHmTBW5kD5TQ:A3k03kHRJSqJtb2Ij56r856rT/
- TLSH T135952916E6A44FA5D06FC174C9929656EA333C425F2087DB1344BF293F336D1AA3A723
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe$
- Size 2.0MB
- SHA256 5314841a29892939dbbd2996e5e490245ee73cd34358e001e108293d69f26d06
- MD5 03667f409f53bf80cfde8372027c97b8
- SHA1 11c215d5d8637d88e1156edac71f668b78154ee6
- SHA512 0d7d44336acbe0971d8c60f182b2e9c6ab73529c0c7a2f247ef31398ac68a412cde39c1ef16638bde46719950aa24e6f1bb4c914d21f49429faa0b12102607c8
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOasy3tPSYTqMi8CtBd2QHCHmTBW5kD5TW:A3k03kHRJSqJtb2Ij56r856r9
- TLSH T1B3A53916E6A44FA5D16FC074C9969656EA333C414F208BDB1354BF293E337D0AA3A723
- MD5 SHA1 SHA512 SSDEEP TLSH