Analysis
- max time kernel
113s - max time network
136s - 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, 17:17
Behavioral task
behavioral1
Sample
2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 2.2MB
- Sample260803-vts7qagj2w
- SHA256 9782e1685a1ef7b17e9b0bda13ffd500b6479585a1523b352e2269637d95a23d
- MD5 a6a9ea3dc6771ae15a71c2e5511b1422
- SHA1 7348d40e93196cc652c18b20c3ee2ef26f81512d
- SHA512 9f3287797abcfe69b3d27fd6df146a95456825055d6d469ee660dcdaaf5ff4eb0484620cd74f068dd6a6dae7fca76242a2d82a4059fe6275d62c4181ed6749fe
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOas0Jdu5jcAkSYqyExZe0p4Ek4niOkl/0:A3k03kHRJdpYqLeW4SkZP4sz9Mb
- TLSH T14BB54B16F6788372D0B3C0B9C5D6AA5AFE32344617308ACB1349D7282F277D59A3A735
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/4552-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000c00000001c5d0-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2d6-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4552-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3716-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001bb44-330.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019982-535.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000c00000001c5d0-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2d6-11.dat aspack_v212_v242 behavioral2/files/0x000300000001bb44-330.dat aspack_v212_v242 behavioral2/files/0x0003000000019982-535.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3716 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" 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_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_a6a9ea3dc6771ae15a71c2e5511b1422_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 opened for modification C:\Program Files\Mozilla Firefox\firefox.exe$ 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe$ 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaw.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\klist.exe 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe$ 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\pwahelper.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_pwa_launcher.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateBroker.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\javap.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.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\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_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}\dbcicons.exe$ 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe$ patcher.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created 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 (x86)\Common Files\Oracle\Java\javapath_target_122734\javaws.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jdeps.exe 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\DlpUserAgent.exe 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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 (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_helper.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7zG.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\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pj11icon.exe 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\visicon.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\BHO\ie_to_edge_stub.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_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 created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\MpDlpCmd.exe 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\notification_click_helper.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe$ 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$ 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmprph.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe$ patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.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_a6a9ea3dc6771ae15a71c2e5511b1422_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:\Windows\:\autorun.inf patcher.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4552 2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3716 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_a6a9ea3dc6771ae15a71c2e5511b1422_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:4552
-
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:3716
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 2.2MB
- SHA256 9782e1685a1ef7b17e9b0bda13ffd500b6479585a1523b352e2269637d95a23d
- MD5 a6a9ea3dc6771ae15a71c2e5511b1422
- SHA1 7348d40e93196cc652c18b20c3ee2ef26f81512d
- SHA512 9f3287797abcfe69b3d27fd6df146a95456825055d6d469ee660dcdaaf5ff4eb0484620cd74f068dd6a6dae7fca76242a2d82a4059fe6275d62c4181ed6749fe
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOas0Jdu5jcAkSYqyExZe0p4Ek4niOkl/0:A3k03kHRJdpYqLeW4SkZP4sz9Mb
- TLSH T14BB54B16F6788372D0B3C0B9C5D6AA5AFE32344617308ACB1349D7282F277D59A3A735
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.7MB
- SHA256 4ac6a7164c706aaacb74250f23d390c22585f00665a297a6ffc09acd2df155f2
- MD5 85031003f06fc0c144b2da3c17222fca
- SHA1 8b157b75bb4e8c818c50126b7afb3442af3dfe64
- SHA512 4852453673a833156ba04234c381d73e6b9bf26622e9ed88c9a342154fc7d9bb4fc0c3db5f7c79b25a7a382a4c626bb4fadb6bd7433049b811784b709f43f1bd
- SSDEEP 49152:A3k03kHRJdpYqLeW4SkZP4sz9MbzPji0Aj:A3k03kHRz6YfkZcrjo
- TLSH T1C3D52A16F6788372D073C0B9C5D6AA9AFE32344657308ACB0349D7282F277D59A3A735
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe
- Size 2.2MB
- SHA256 ab5808f2c06127bd9bfd111cc29e3697f3068623cd4e87b61dd333be8b2768bd
- MD5 9075264d7b54c89bda2e25d9745b18d7
- SHA1 9b222360d3224ff8904583fea99d15bccfe6c824
- SHA512 b7d0bac9e83b31b999c47c547ed37d4e1c3ca9891a7667ffd2871f69b69e0009ca72d247a1b6b77f9430fc5779a6cd3b0271878dad01f4e6797f49316de3a91f
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOas0Jdu5jcAkSYqyExZe0p4Ek4niOkl/4:A3k03kHRJdpYqLeW4SkZP4sz9Mb5
- TLSH T106B54B16F6788372D0B3C0B9C5D6AA5AFE32344617308ACB1349D3282F277D59A3A775
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe
- Size 2.2MB
- SHA256 5fb7b42de3ce7dff69246d2703ca33dead068a6fed6f1ee387125dca59e080d3
- MD5 b7f6a18ce46bf9d4dd34273fcc762e80
- SHA1 08ec823fe0c5e4363e6669ecd2aa2950c7582ba9
- SHA512 d4f50a1beb919015808d6e09091b663daa1a532c32d901e95765e19fd35e77ff69c76a45eb4ae45edc0585b27754f3c8be363d610ae5400a7a43a25522c2a379
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOas0Jdu5jcAkSYqyExZe0p4Ek4niOkl/5:A3k03kHRJdpYqLeW4SkZP4sz9Mbg
- TLSH T16BB54B16F6788372D0B3C0B9C5D6AA5AFE32344617308ACB1349D3282F277D59A3A775
- MD5 SHA1 SHA512 SSDEEP TLSH