Analysis
- max time kernel
104s - 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
13/08/2026, 08:23
Behavioral task
behavioral1
Sample
2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 4.7MB
- Sample260813-kakfcsvfkc
- SHA256 cb0b5656c2e41cd70747c98058acc76f294051bf077eda3277e497858c873025
- MD5 b31eb4479e22aca35563bb6c7df8a3cb
- SHA1 02c545f1851c96c5d924cddba2ceae12a0d3c32a
- SHA512 44f2375513f8fd98b3f7ef083e5181d48d888f97d31df791e0a663a0fe66b4532ee3a8e1129640fec4eae67eea410f5c961a733275ffd2aa760fbe2d79c41d1d
- SSDEEP 49152:A3k03kHRJARJaeW4SkZP4sz9MbkqJtb2IdqJtb2Is56r8+eW4SkZP4sz9MbSpYq:A3k03kHR+RcfkZckcGr8WfkZcS6
- TLSH T166361915F6788732D077C079C6D2AA5AFA3238458B318ACB0285DB7C3F676D58936732
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 8 IoCs
resource yara_rule behavioral1/memory/3212-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x00070000000244b1-6.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/1124-7-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x0003000000022b20-12.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/3212-22-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/1124-35-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x00070000000244b6-148.dat INDICATOR_EXE_Packed_ASPack behavioral1/files/0x00020000000216a5-798.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x00070000000244b1-6.dat aspack_v212_v242 behavioral1/files/0x0003000000022b20-12.dat aspack_v212_v242 behavioral1/files/0x00070000000244b6-148.dat aspack_v212_v242 behavioral1/files/0x00020000000216a5-798.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 1124 patcher.exe - 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" 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_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:\Windows\SysWOW64\:\autorun.inf patcher.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Java\jdk-1.8\bin\unpack200.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$ 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_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 created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.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\Java\jdk-1.8\bin\java-rmi.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ExtExport.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateComRegisterShell64.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe patcher.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\jre-1.8\bin\policytool.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\lyncicon.exe patcher.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateCore.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE$ patcher.exe File created C:\Program Files\Mozilla Firefox\nmhproxy.exe patcher.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\idlj.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE patcher.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe patcher.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\TabTip32.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Common Files\microsoft shared\Source Engine\OSE.EXE patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.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\Common Files\microsoft shared\ink\TabTip.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.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 opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.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}\msouc.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateComRegisterShell64.exe$ patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE$ patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_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 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3212 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 1124 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_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:3212
-
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:1124
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 4.7MB
- SHA256 cb0b5656c2e41cd70747c98058acc76f294051bf077eda3277e497858c873025
- MD5 b31eb4479e22aca35563bb6c7df8a3cb
- SHA1 02c545f1851c96c5d924cddba2ceae12a0d3c32a
- SHA512 44f2375513f8fd98b3f7ef083e5181d48d888f97d31df791e0a663a0fe66b4532ee3a8e1129640fec4eae67eea410f5c961a733275ffd2aa760fbe2d79c41d1d
- SSDEEP 49152:A3k03kHRJARJaeW4SkZP4sz9MbkqJtb2IdqJtb2Is56r8+eW4SkZP4sz9MbSpYq:A3k03kHR+RcfkZckcGr8WfkZcS6
- TLSH T166361915F6788732D077C079C6D2AA5AFA3238458B318ACB0285DB7C3F676D58936732
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 5.3MB
- SHA256 795bddb7f916f91f475e491b985cfe054bb487e19e376c12bb25430786059dda
- MD5 b58c7191f4f491bf78bee27f84c5746e
- SHA1 7a0d1389afc4f069c1ae1f9752bb391820bf5d4f
- SHA512 f5fe46b814b4032be54c81a12ba6b08f0c09d8197a554fe82b3eecb6cab7daf5b533cea9d19477cbddabae42a70b2e4fff743af70d502e96c1e2cb8f0b2a412b
- SSDEEP 49152:A3k03kHRJARJaeW4SkZP4sz9MbkqJtb2IdqJtb2Is56r8+eW4SkZP4sz9MbSpYqK:A3k03kHR+RcfkZckcGr8WfkZcS6Gjo
- TLSH T168461915F6788732D077C0B9C6D2AA9AFA3234415B318ACB0285DB7C3F676D58936732
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe
- Size 4.9MB
- SHA256 d3406f1ad668be605e48ccc6f72b587b865d2ee88e66f3304c26702a620f56ea
- MD5 98daab82c9a711c67322227b2e75f88e
- SHA1 826dbc7e8d7cfe371f29c939671bb68fe85dd673
- SHA512 2ee2192424ede257470fb57697efe948fadde2473d22a7b0352477d659c1af2fd1b28e74d6af3e5602c6df7b38b649cfcaf006d24322ae7d2a4ef98d7af81047
- SSDEEP 49152:A3k03kHRJARJaeW4SkZP4sz9MbkqJtb2IdqJtb2Is56r8+eW4SkZP4sz9MbSpYqk:A3k03kHR+RcfkZckcGr8WfkZcS6F
- TLSH T10F36F715F6788732D07BC079C6D2AA59FA3338418B718ACB0285DB7C2F676D58976332
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$
- Size 4.8MB
- SHA256 229f3806ee4f5139c23fb803d60cbf11bd4fefce4b2aac9c4b49a57d7738fedc
- MD5 67167f35a31725e2ad407f88602f1d54
- SHA1 57646a45bbd288411a95e98d9b869ca8c416b738
- SHA512 e9bd05b227df69f70ff71412f81c0449dbb4577066bdb15125643d3b9072ca9e930cb721deee0bd18108569852d7e66a4092ed795ea3278639a31cfee2443814
- SSDEEP 49152:A3k03kHRJARJaeW4SkZP4sz9MbkqJtb2IdqJtb2Is56r8+eW4SkZP4sz9MbSpYqt:A3k03kHR+RcfkZckcGr8WfkZcS6Y
- TLSH T15B36F815F6788732D077C079C6D2AA59FA3238458B318ACB0285EB6C3F776D58936732
- MD5 SHA1 SHA512 SSDEEP TLSH