Analysis
- max time kernel
117s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 18:55
Behavioral task
behavioral1
Sample
2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.3MB
- Sample260820-xk6gsstemd
- SHA256 aaa0321a638c18dae858788e384f0312d4c0c3a94c3c7402f8f499925fb02ce8
- MD5 a15761c2118707d0e40a2d762923a851
- SHA1 5e9d42221c11d541a419f17b61d66cb788b6f8bc
- SHA512 26de1c2cc744473871a20dc52835b6531845cc4fdcb475f2f3f8cfdd8ac2a0241a656198f347062f2d25eaa6f5d8d54a5cc07bb0742da43c5c9a2c8e5d1d5111
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GduEo9hs5jcAkSYqyE:A3k03kHRJgpYq
- TLSH T124558C17F6A441B5D063C1B9CAD2AA66FE713846173097CF1358C3282F63BD1AA3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/3404-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c405-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000008f2c-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/3404-21-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4536-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019b0e-646.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019bea-644.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c405-5.dat aspack_v212_v242 behavioral2/files/0x0003000000008f2c-11.dat aspack_v212_v242 behavioral2/files/0x0003000000019b0e-646.dat aspack_v212_v242 behavioral2/files/0x0003000000019bea-644.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4536 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" 2026-08-20_a15761c2118707d0e40a2d762923a851_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 2026-08-20_a15761c2118707d0e40a2d762923a851_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 (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeComRegisterShellARM64.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateOnDemand.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.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\Microsoft Office\root\Office16\PDFREFLOW.EXE patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateSetup.exe patcher.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateCore.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\javadoc.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msoasb.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_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\VideoLAN\VLC\vlc.exe$ 2026-08-20_a15761c2118707d0e40a2d762923a851_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\Office16\ONENOTEM.EXE 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge_pwa_launcher.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\klist.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.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\Mozilla Firefox\maintenanceservice.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateComRegisterShell64.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe$ 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe patcher.exe File opened for modification C:\Program Files\Windows Media Player\wmpshare.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe patcher.exe File created 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\jre\bin\ssvagent.exe$ 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification 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\dotnet\dotnet.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Download\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\139.0.3405.125\MicrosoftEdge_X64_139.0.3405.125.exe$ patcher.exe File opened for modification C:\Program Files\7-Zip\7zG.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_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}\lyncicon.exe$ patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe patcher.exe File opened for modification C:\Program Files\Windows Media Player\wmlaunch.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_click_helper.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe patcher.exe File created 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 (x86)\Common Files\Oracle\Java\javapath\java.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\elevation_service.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\identity_helper.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\BHO\ie_to_edge_stub.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE patcher.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe$ 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe$ 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.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 2026-08-20_a15761c2118707d0e40a2d762923a851_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 2026-08-20_a15761c2118707d0e40a2d762923a851_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 3404 2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4536 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_a15761c2118707d0e40a2d762923a851_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_a15761c2118707d0e40a2d762923a851_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:3404
-
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:4536
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.3MB
- SHA256 aaa0321a638c18dae858788e384f0312d4c0c3a94c3c7402f8f499925fb02ce8
- MD5 a15761c2118707d0e40a2d762923a851
- SHA1 5e9d42221c11d541a419f17b61d66cb788b6f8bc
- SHA512 26de1c2cc744473871a20dc52835b6531845cc4fdcb475f2f3f8cfdd8ac2a0241a656198f347062f2d25eaa6f5d8d54a5cc07bb0742da43c5c9a2c8e5d1d5111
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GduEo9hs5jcAkSYqyE:A3k03kHRJgpYq
- TLSH T124558C17F6A441B5D063C1B9CAD2AA66FE713846173097CF1358C3282F63BD1AA3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 1.9MB
- SHA256 e1c496945688a00a89beb470fbe82d61c1180bfb584d95e280f53ce54ddefd5a
- MD5 549ad2bd841977dc68c8bffc4537dfca
- SHA1 9740e5495773463aa7c1a62574565fc1b9fd372e
- SHA512 d44d9f438a29081a21871fc1e69b4156af66ecdfe59ed8082f3de1d4843db2b04d25a201797465e074911f5b055ce8f80c7c556a779eef9ff0b3d338d3580abe
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GduEo9hs5jcAkSYqyED0Le5ji0hmxNrM:A3k03kHRJgpYqjPji0Aj
- TLSH T1C2957C16F6744275D073C0B9C5D2A69AFE7134861B308ACB1389C7283F67BE19A3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jre-1.8\bin\keytool.exe
- Size 1.4MB
- SHA256 20ab56394eed8ec2c1cd611dc24bd0bd236b53adecb0d35e12c2905dc68e395d
- MD5 8134c389e2b17c2cb20e334f7ae19730
- SHA1 2c63f531620456e96b262344e443090fd31be0cd
- SHA512 5665810d15ec458eb34d204b6c0f279fb6dcc4c03435b09b90975418b09cc7cf08163c4c3a48140bf4ef6387a43908145480d55cff03675fd15daee207021fdc
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GduEo9hs5jcAkSYqyEHQ:A3k03kHRJgpYqQ
- TLSH T141658D17F6A445B5D023C1B9CAD2AA67EE713846173097CF1358C3282F63BD1AA3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jre-1.8\bin\keytool.exe$
- Size 1.5MB
- SHA256 bb1ebc56843e54910d6745252b1e13c1e47d78086eff78e6eebfb55fdaa78168
- MD5 651f3475a340bc61e6d63a4c09057679
- SHA1 95bd58c7970c5bffd5485b5b95312a0946978788
- SHA512 54da6a2df90918df711e2874f51581ba1459eace2f8fa711729529c67bb459a43f5db6350e3dd0af5fa8be6e8cba65c175172e46d95780c28dc54755121b6874
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98b8GduEo9hs5jcAkSYqyE7HdfnJ:A3k03kHRJgpYqX
- TLSH T1B7758C17F7A401B5E073C179CAD29A56EA7138461B309BCF1358D2292F33BD1AA3A771
- MD5 SHA1 SHA512 SSDEEP TLSH