Analysis
- max time kernel
118s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 14:31
Behavioral task
behavioral1
Sample
2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 3.5MB
- Sample260802-rv4hasbd55
- SHA256 7fb68d9adaf62665a6b0344b73a74f947bab1a7dc5b07a81dc78105aeec53f5f
- MD5 4a42e28445d5bba82693dc29976ef994
- SHA1 e65b8f4f4bd78752c7a02c5a1ee3b5a66765f7a5
- SHA512 b49fdc250e48215b3cc48dd549585d920df2df799201cacdf4de2868e43aaeb785f8ad64cd9ebe0f25e3f2d910ebd99f77434337da24c40c3c3cfa7c80f8c184
- SSDEEP 49152:A3k03kHRJkeW4SkZP4sz9MbkqJtb2IdqJtb2I8qJtb2I:A3k03kHRyfkZckcX
- TLSH T199061A15F6788362D077C0B9C6D2AA9AFA3234425B708ACB1285D73C2F277D5D53A732
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/1900-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c5bb-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2bc-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/1900-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/2776-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000400000001997c-569.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c5bb-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2bc-11.dat aspack_v212_v242 behavioral2/files/0x000400000001997c-569.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 2776 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" 2026-08-02_4a42e28445d5bba82693dc29976ef994_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 2026-08-02_4a42e28445d5bba82693dc29976ef994_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\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\MicrosoftEdgeUpdate.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmprph.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\msoev.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 opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.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\Microsoft Office\root\Office16\MSQRY32.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe patcher.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 (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe patcher.exe File created 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\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 (x86)\Windows Media Player\wmpconfig.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Internet Explorer\iexplore.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_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}\visicon.exe patcher.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\Microsoft Office\root\Office16\OLCFG.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_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\Java\jdk-1.8\bin\native2ascii.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\elevation_service.exe$ patcher.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\BHO\ie_to_edge_stub.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe$ patcher.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\AcroBroker.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\elevation_service.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe$ 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\policytool.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\notification_click_helper.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\notification_helper.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe$ 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe$ 2026-08-02_4a42e28445d5bba82693dc29976ef994_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\jdk-1.8\jre\bin\servertool.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ielowutil.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\notification_click_helper.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\jre-1.8\bin\servertool.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_pwa_launcher.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdate.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge_proxy.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe 2026-08-02_4a42e28445d5bba82693dc29976ef994_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 2026-08-02_4a42e28445d5bba82693dc29976ef994_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 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1900 2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 2776 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_4a42e28445d5bba82693dc29976ef994_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_4a42e28445d5bba82693dc29976ef994_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:1900
-
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:2776
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 3.5MB
- SHA256 7fb68d9adaf62665a6b0344b73a74f947bab1a7dc5b07a81dc78105aeec53f5f
- MD5 4a42e28445d5bba82693dc29976ef994
- SHA1 e65b8f4f4bd78752c7a02c5a1ee3b5a66765f7a5
- SHA512 b49fdc250e48215b3cc48dd549585d920df2df799201cacdf4de2868e43aaeb785f8ad64cd9ebe0f25e3f2d910ebd99f77434337da24c40c3c3cfa7c80f8c184
- SSDEEP 49152:A3k03kHRJkeW4SkZP4sz9MbkqJtb2IdqJtb2I8qJtb2I:A3k03kHRyfkZckcX
- TLSH T199061A15F6788362D077C0B9C6D2AA9AFA3234425B708ACB1285D73C2F277D5D53A732
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 4.0MB
- SHA256 f4c8ffcbf0f51f5763a3dc361171eb2beed2f1f1cceae3677b21b6bdfe0a60a6
- MD5 d765593d250a242e1c9de906f015091f
- SHA1 9ea260ac44c91308f6f71f28284f7267912277ac
- SHA512 d0efbc455f7765ee59ca0fa75eb04be85966ce6fe486693088c49c18cd665ce64c76c48d64c431c75a5674fa26079eb43307527dbc08199712a97d03f2985b12
- SSDEEP 49152:A3k03kHRJkeW4SkZP4sz9MbkqJtb2IdqJtb2I8qJtb2IQPji0Aj:A3k03kHRyfkZckcXZjo
- TLSH T126161A16F6788362D077C0B9C6D2A69AFA3234425B708ACB1285D77C2F277D5C53A732
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe$
- Size 3.5MB
- SHA256 4a06a4b37cdbc7d371782adfbe1b4ab7147c70875cff6cbb30c33f6ef8ede4a3
- MD5 b54a0058603639ed9887e29dd9301151
- SHA1 46ce6988c1bf353ae75b56658889b5ef19c13369
- SHA512 e41303412ae10e997e7c4c8b277a7314ad39fb5e5a09996f5dceb8b307d57479dc1638dbe5e1cdc75908c1f0267f3593cfcd73ba173986291019fddaa7450c0a
- SSDEEP 49152:A3k03kHRJkeW4SkZP4sz9MbkqJtb2IdqJtb2I8qJtb2I3:A3k03kHRyfkZckcXY
- TLSH T1C5061A15F6788362D077C0B9C6D2AA9AFA3234425B708ACB1285D73C2F277D5D53A732
- MD5 SHA1 SHA512 SSDEEP TLSH