Analysis
- max time kernel
110s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/07/2026, 04:31
Behavioral task
behavioral1
Sample
2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 2.2MB
- Sample260728-e5va6aywas
- SHA256 913f727f5d2cd74f436db05314f6fcc3717d8c2ec9596bad7c01eb9c791a5ced
- MD5 b11c25995dd6f5b197dfb66089e9af91
- SHA1 942b5b857baadfc34a6e61e83ef5a69831fd6646
- SHA512 4419640f9f0344924ff1b511c2a2f76ecc5a445eda45fe35fa579bd2245edd7bbbd730331fd28c58e702674a3bfb1c76b5e04aaf267ccb559908e83175581177
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEp60OGhGZe0p4Ek4niOkl/A04szE87JKy:A3k03kHRJARJ1eW4SkZP4sz9Mb8pYq
- TLSH T1A4B54B16F6788376D0B3C0B9C5D6AA5AFE32344617308ACB0349D7282F277D59A3A735
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/2776-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c48a-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000001b2d6-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/2776-21-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3128-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0009000000000136-2083.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c48a-5.dat aspack_v212_v242 behavioral2/files/0x000300000001b2d6-11.dat aspack_v212_v242 behavioral2/files/0x0009000000000136-2083.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3128 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" 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_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 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_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 (x86)\Microsoft\EdgeCore\122.0.2365.106\pwahelper.exe$ patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\Installer\setup.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedgewebview2.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\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe$ patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\schemagen.exe 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ExtExport.exe 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.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\bin\native2ascii.exe$ 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe$ patcher.exe File opened for modification C:\Program Files\7-Zip\7zG.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\bin\jps.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.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 (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\javaws.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe$ 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_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}\pj11icon.exe$ 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\MicrosoftEdgeUpdate.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\msotd.exe 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe$ patcher.exe File created C:\Program Files\Mozilla Firefox\private_browsing.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeComRegisterShellARM64.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jmap.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\cookie_exporter.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_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 opened for modification C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msoadfsb.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\Java\jdk-1.8\bin\javapackager.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.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 (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\pack200.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe$ 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.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\Java\jdk-1.8\bin\javaw.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\Client\AppVDllSurrogate32.exe 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SCANPST.EXE$ 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Java\jdk-1.8\bin\jdeps.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE$ 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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 (x86)\Microsoft\EdgeCore\122.0.2365.106\msedgewebview2.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\serialver.exe 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_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 patcher.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_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 2776 2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3128 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-28_b11c25995dd6f5b197dfb66089e9af91_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-28_b11c25995dd6f5b197dfb66089e9af91_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:2776
-
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:3128
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 2.2MB
- SHA256 913f727f5d2cd74f436db05314f6fcc3717d8c2ec9596bad7c01eb9c791a5ced
- MD5 b11c25995dd6f5b197dfb66089e9af91
- SHA1 942b5b857baadfc34a6e61e83ef5a69831fd6646
- SHA512 4419640f9f0344924ff1b511c2a2f76ecc5a445eda45fe35fa579bd2245edd7bbbd730331fd28c58e702674a3bfb1c76b5e04aaf267ccb559908e83175581177
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlkDaEp60OGhGZe0p4Ek4niOkl/A04szE87JKy:A3k03kHRJARJ1eW4SkZP4sz9Mb8pYq
- TLSH T1A4B54B16F6788376D0B3C0B9C5D6AA5AFE32344617308ACB0349D7282F277D59A3A735
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.7MB
- SHA256 fd4cf155a7552b13ff1977211e8ea536592e767ec6b8c54ca8c73e9a289d1cc3
- MD5 5194dabf88df6a99ecfa8fa1f98810db
- SHA1 5be08b41c2f93c275d51a9f28bbf24258935b918
- SHA512 f716a95561054ae45edd03d86da16b5b32dd4bb71bad24bec488a18b2b576099f04a5c4b26202efdc72dc1ce2ce561b0536f94c113a59fdc451f48d576a5f184
- SSDEEP 49152:A3k03kHRJARJ1eW4SkZP4sz9Mb8pYqjPji0Aj:A3k03kHR+RnfkZc86Gjo
- TLSH T17DD53A16F6788376D073C0B9C5D6AA9AFA32344617308ACB0345D72C2F277E59A3A735
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe$
- Size 2.3MB
- SHA256 67306fd613cf0ba52e82af204eaf71beef051a4706af894f7e30218a24584883
- MD5 e799f745cb3417bab027eb018752ca9d
- SHA1 d45a9cf881c4aa32898d2693d2747c050feb3377
- SHA512 5ec998cb7a33ac325d9d1e98b12f761dc0a2e858b27971d7857c4e9297f5d4d1bdfa5cb54a994ec1cfcb5447d1c9598f0199b20ffb7a3990502d7c1b5cbfa5f9
- SSDEEP 49152:A3k03kHRJARJ1eW4SkZP4sz9Mb8pYqHx5:A3k03kHR+RnfkZc86+5
- TLSH T1FEB54B16F6788376D0B3C0B9C5D6AA5AFE32344617308ACB1349D3282F277D59A3A735
- MD5 SHA1 SHA512 SSDEEP TLSH