Analysis
- max time kernel
90s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/08/2026, 15:00
Behavioral task
behavioral1
Sample
2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.1MB
- Sample260804-sdjl8sshrb
- SHA256 59ee9515cf664ea01384c72495975b98189aad78d705180b0626ed43df02f187
- MD5 8fd83437c47a93a81375573a244b4360
- SHA1 2bf27015c011976c20f46e3c0874b70a2b3acdfe
- SHA512 5d77b8c60a8b7f506c9e67a85e40c5f4ccf85870105509d1d9138cc56a81913dd296753f45cf2121dfe2923e810216e06d5ce492d7a4925111091d1d01968d53
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlBF+cJuondQqD5TvinrmC:A3k03kHRJARJR56rX
- TLSH T11D456B07A6980FE8D11F81749A964A22E7777C121F2097CF1354AE163F72BD0AE3A357
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 8 IoCs
resource yara_rule behavioral1/memory/4600-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x0007000000024419-5.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/2988-7-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x0003000000022b88-12.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/4600-52-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/2988-71-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x00030000000235a7-149.dat INDICATOR_EXE_Packed_ASPack behavioral1/files/0x000700000001db0e-1073.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x0007000000024419-5.dat aspack_v212_v242 behavioral1/files/0x0003000000022b88-12.dat aspack_v212_v242 behavioral1/files/0x00030000000235a7-149.dat aspack_v212_v242 behavioral1/files/0x000700000001db0e-1073.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 2988 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" 2026-08-04_8fd83437c47a93a81375573a244b4360_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 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Windows\SysWOW64\:\autorun.inf patcher.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\:\autorun.inf patcher.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe patcher.exe File created C:\Program Files\7-Zip\7zG.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe$ patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMHelper.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\cookie_exporter.exe patcher.exe File created C:\Program Files\7-Zip\Uninstall.exe 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_click_helper.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\servertool.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jmap.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe patcher.exe File created C:\Program Files\Mozilla Firefox\firefox.exe patcher.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javah.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.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\Java\jdk-1.8\bin\unpack200.exe patcher.exe File created 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\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevated_tracing_service.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe$ patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\msinfo32.exe 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmprph.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\orbd.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\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe patcher.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe$ patcher.exe File created C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaws.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\elevated_tracing_service.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.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\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\grv_icons.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe patcher.exe File created C:\Program Files\VideoLAN\VLC\uninstall.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateBroker.exe patcher.exe File created C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe patcher.exe File opened for modification C:\Program Files (x86)\Internet Explorer\iexplore.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\servertool.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe 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 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language patcher.exe - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4600 2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 2988 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_8fd83437c47a93a81375573a244b4360_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:4600
-
C:\905c0769f9a06c95a24ddf945\patcher.exeC:\905c0769f9a06c95a24ddf945\patcher.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2988
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.1MB
- SHA256 59ee9515cf664ea01384c72495975b98189aad78d705180b0626ed43df02f187
- MD5 8fd83437c47a93a81375573a244b4360
- SHA1 2bf27015c011976c20f46e3c0874b70a2b3acdfe
- SHA512 5d77b8c60a8b7f506c9e67a85e40c5f4ccf85870105509d1d9138cc56a81913dd296753f45cf2121dfe2923e810216e06d5ce492d7a4925111091d1d01968d53
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlBF+cJuondQqD5TvinrmC:A3k03kHRJARJR56rX
- TLSH T11D456B07A6980FE8D11F81749A964A22E7777C121F2097CF1354AE163F72BD0AE3A357
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 1.7MB
- SHA256 f0de26bb3ad85aeaeb8302c39e794d493769e01750f3c84447d0c26194ddb06b
- MD5 1429ffe13777536a395fb4af6db462ae
- SHA1 1129e4948b607a3cf633ebcf0e3bcbf605cd22b8
- SHA512 ef1225dba4f2b910e03a6d6cfd776fdb4e5339d3f7616ce2461e2ecabfc3763e314f58af40cf6264cb21447809768383614647e3c5e65681cf7bb7f25142d21e
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlBF+cJuondQqD5TvinrmC0Le5ji0hmxNrM:A3k03kHRJARJR56rTPji0Aj
- TLSH T196856A16F6A80BA5D06BC178C5D29656EA733C421F3087CB1354DE293F27BD19E3A362
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe
- Size 1.3MB
- SHA256 767d5d0353a042ff9f4f335ae55a7ec91721435c51a6ea6a42f72ba5aebc96f2
- MD5 523ecf4b8c62d119bfa40963b7ae1d7c
- SHA1 e674622b29c6f4363b3d796fcbfbc40a7a9f73e8
- SHA512 508f296e4e54f62a383179adee23a58cb5d67ef4a19838bd9f22e92970baf60dfe45cb9645fc6b19711d8c2eba967f8f454864cac23e887f59673e443fb04992
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlBF+cJuondQqD5TvinrmrD:A3k03kHRJARJR56rU
- TLSH T105550506E6980AA8D15F8174C7964622F6777C124FE093CB13D4EA3D3F72690AEF9253
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\Microsoft\ClickToRun\{9AC08E99-230B-47e8-9721-4577B7F124EA}\integrator.exe
- Size 1.6MB
- SHA256 e3c742bb886b67b154eafbc655f2e57693606b16d838c4afd46c7bceba8dc00e
- MD5 0fe11fa08034e7e719cddd1cf038261e
- SHA1 6ab929df5e6db4bbe413e8ca60f1ed877d51dfdc
- SHA512 ef4613ea175baa98d48aa61aeb21ea6f845e7ce19fc25a5f267b681ee67e0062de4a1c7a1a3fa5a24fdf94ca4d582a20edc531fef4d8d941342b456e0e8cf3d4
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlancMJlBF+cJuondQqD5TvinrmJ3npi63iC:A3k03kHRJARJR56reXpiMh
- TLSH T125755B03B3D84AA4E1BB86349AB54522E6777C215F3093CF13945E193F72AD0AE39763
- MD5 SHA1 SHA512 SSDEEP TLSH