Analysis
- max time kernel
118s - max time network
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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 6 IoCs
resource yara_rule behavioral2/memory/1328-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d00000001c51a-6.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/1328-9-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b32b-12.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/3064-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0014000000019eed-1252.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001c51a-6.dat aspack_v212_v242 behavioral2/files/0x000200000001b32b-12.dat aspack_v212_v242 behavioral2/files/0x0014000000019eed-1252.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3064 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" 2026-08-13_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:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_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)\Windows Media Player\wmpshare.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\wmlaunch.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 opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.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\rmiregistry.exe$ 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\visicon.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe$ 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\misc.exe patcher.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\javacpl.exe patcher.exe File created C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe$ 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\Installer\setup.exe$ patcher.exe File opened for modification C:\Program Files\7-Zip\7zG.exe patcher.exe File created C:\Program Files\7-Zip\Uninstall.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\javaw.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedgewebview2.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateCore.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\Installer\setup.exe patcher.exe 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\unpack200.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\identity_helper.exe patcher.exe File opened for modification C:\Program Files\Windows Mail\wab.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jar.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Integration\Integrator.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateComRegisterShell64.exe$ 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\BHO\ie_to_edge_stub.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\jinfo.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\ssvagent.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\osmclienticon.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\Installer\setup.exe$ patcher.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.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\jconsole.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.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\rmiregistry.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\msoia.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe$ 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Mail\wab.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeComRegisterShellARM64.exe$ 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\7-Zip\7z.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmpnetwk.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\7-Zip\7z.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.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\ink\pipanel.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\notification_helper.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.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\servertool.exe 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.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\{90160000-000F-0000-1000-0000000FF1CE}\lyncicon.exe patcher.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 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_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 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_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 1328 2026-08-13_b31eb4479e22aca35563bb6c7df8a3cb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3064 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:1328
-
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:3064
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\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