Analysis
- max time kernel
117s - max time network
114s - 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, 09:30
Behavioral task
behavioral1
Sample
2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_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_d4caaaf475820b12df992aaa4d5c7b90_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_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 3.6MB
- Sample260804-lgjcbagg87
- SHA256 cd4fa0d54c91029834c72387419d36ae212c947960116b3fd5f8a5103d49497c
- MD5 d4caaaf475820b12df992aaa4d5c7b90
- SHA1 f5ba5a460b63116ed5337ca8d078392701a2875e
- SHA512 b1019e4037c001432c6465aaa973efbb1f39dee0aee58c202f7b917ade432b1f09d3f8228ba8e38e660b8338a8cd2979e449df74c4dd4080164e501b51680d2d
- SSDEEP 49152:A3k03kHRJUeW4SkZP4sz9MbfqJtb2IEeW4SkZP4sz9Mb8pYq:A3k03kHRyfkZcfFfkZc86
- TLSH T1C1061916F6788322D0B7C0B9C6D6AA9AFE32344557708ACB0285D73C2F277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/2972-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c52e-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c52f-10.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/2972-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/5008-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001991a-369.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000e00000001be67-2116.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c52e-5.dat aspack_v212_v242 behavioral2/files/0x000d00000001c52f-10.dat aspack_v212_v242 behavioral2/files/0x000300000001991a-369.dat aspack_v212_v242 behavioral2/files/0x000e00000001be67-2116.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 5008 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_d4caaaf475820b12df992aaa4d5c7b90_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_d4caaaf475820b12df992aaa4d5c7b90_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\Java\jdk-1.8\jre\bin\unpack200.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe$ 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.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\Java\jdk-1.8\bin\rmic.exe$ 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\dotnet\dotnet.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\MpDlpCmd.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\pwahelper.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmprph.exe patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pubs.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge_pwa_launcher.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\BHO\ie_to_edge_stub.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_pwa_launcher.exe$ patcher.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\joticon.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\Installer\setup.exe$ patcher.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_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}\grv_icons.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\DlpUserAgent.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateOnDemand.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_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\Java\jdk-1.8\bin\javaw.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\cookie_exporter.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\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jar.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\BHO\ie_to_edge_stub.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\ohub32.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\ktab.exe 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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_d4caaaf475820b12df992aaa4d5c7b90_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_d4caaaf475820b12df992aaa4d5c7b90_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 2972 2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 5008 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_d4caaaf475820b12df992aaa4d5c7b90_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:2972
-
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:5008
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 3.6MB
- SHA256 cd4fa0d54c91029834c72387419d36ae212c947960116b3fd5f8a5103d49497c
- MD5 d4caaaf475820b12df992aaa4d5c7b90
- SHA1 f5ba5a460b63116ed5337ca8d078392701a2875e
- SHA512 b1019e4037c001432c6465aaa973efbb1f39dee0aee58c202f7b917ade432b1f09d3f8228ba8e38e660b8338a8cd2979e449df74c4dd4080164e501b51680d2d
- SSDEEP 49152:A3k03kHRJUeW4SkZP4sz9MbfqJtb2IEeW4SkZP4sz9Mb8pYq:A3k03kHRyfkZcfFfkZc86
- TLSH T1C1061916F6788322D0B7C0B9C6D6AA9AFE32344557708ACB0285D73C2F277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe
- Size 4.2MB
- SHA256 a4c5741cccc0d524441f75ccb01612f7a02424ead7680d4bc798c3d807c43e95
- MD5 2b54d36b2198c7434a7df867b7f5ed13
- SHA1 0ceb01abf4026d54ec683c1810e81bbfb21d4790
- SHA512 1fe6c0066af4985f45bd4efc8267625b9c05ea35b4d989771f9aac8e2e892d644c2cc73781b928d62753d81f6b0560ca8f7e9566142eb6ea377652a3f796536f
- SSDEEP 49152:A3k03kHRJUeW4SkZP4sz9MbfqJtb2IEeW4SkZP4sz9Mb8pYqjPji0Aj:A3k03kHRyfkZcfFfkZc86Gjo
- TLSH T192161A16F6788322D077C0B9C6D6AA9AFE32344557308ACB0285D77C2F277D68636736
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\klist.exe
- Size 3.7MB
- SHA256 a7c1c6135d38b3479d65656ea84e086b1c0896744e9b5d8b04466ae5080f742d
- MD5 9c2880358927bc68043c8bbdbf76be63
- SHA1 28c9762308e02d19195d8d2f5cd415aac18e4bb8
- SHA512 4f9478d58db453ac6f2bde22de9ab493e9d56bcfad829a108ef91750b50460ef8c835a51cce93e9cb41a76070228ea00303265b66d6d8764e76458c443540fb3
- SSDEEP 49152:A3k03kHRJUeW4SkZP4sz9MbfqJtb2IEeW4SkZP4sz9Mb8pYqs:A3k03kHRyfkZcfFfkZc869
- TLSH T16A061A16F6788322D0B7C0B9C6D6AA9AFA32344557708ACB0385D73C2F277D58636736
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe
- Size 3.7MB
- SHA256 c005f0f715873e5879c53421a3ad7cc913b957fcd02830167b94ac2e13f09042
- MD5 8a158264cfa93fc8e3835f77fed4055e
- SHA1 75cdf5109830fc2fc00cd62bbc695454b1d56297
- SHA512 dac568e94c2d5a3a70f913b0528a19303d8da09d255f330d00c463187698c6517286d5674413a32b73c58de5446d2b20b1e78561a6800761bd79ddb06bd3aadd
- SSDEEP 49152:A3k03kHRJUeW4SkZP4sz9MbfqJtb2IEeW4SkZP4sz9Mb8pYqHx5:A3k03kHRyfkZcfFfkZc86+5
- TLSH T165061A16F6788322D0B7C0B9C6D6AA9AFE32344557708ACB1289D33C2F277D58536736
- MD5 SHA1 SHA512 SSDEEP TLSH