Analysis
- max time kernel
106s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 14:16
Behavioral task
behavioral1
Sample
2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_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_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.8MB
- Sample260804-rk5mlscb25
- SHA256 3d7190e7c961bfa61a8ab87e24e95b3050abaea83212ae0d1411efa1c1725aa7
- MD5 c3b776d41ae7b3ba2810279ce13d90d2
- SHA1 01b9d304ad864eba58dab64e1eee5c567bc07e07
- SHA512 377c02798a2ab3bb14fea4af98a8593d1b8444133a4ab8c5597d525c43c1acfbbd230adaf23495b1859f98b213143ac1db706c5e430def5636afb929b21a0ade
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOaRapxtaFc6Ze0p4Ek4niOkl/A04szE8b:A3k03kHRJgeW4SkZP4sz9Mb
- TLSH T1A3855C16F6784363D0B3C0B9C5D6AA5AFE32344657308ACB0349D3282F277D59A3A779
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/1856-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000c00000001c58d-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b32b-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/1856-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3128-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019cb6-58.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0004000000019cca-1284.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000c00000001c58d-5.dat aspack_v212_v242 behavioral2/files/0x000200000001b32b-11.dat aspack_v212_v242 behavioral2/files/0x0003000000019cb6-58.dat aspack_v212_v242 behavioral2/files/0x0004000000019cca-1284.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" 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_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_c3b776d41ae7b3ba2810279ce13d90d2_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\Java\jdk-1.8\jre\bin\jabswitch.exe$ 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe$ 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE$ patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe$ 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Defender\MpDlpService.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\kinit.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\pack200.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE$ 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_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}\dbcicons.exe$ patcher.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\policytool.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\identity_helper.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedgewebview2.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\rmic.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Office16\OUTLOOK.EXE 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe patcher.exe File created C:\Program Files\Java\jre-1.8\bin\javaw.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe$ 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{442E2BAB-89E2-4A69-94D2-35EFF397FE54}\MicrosoftEdge_X64_139.0.3405.125.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE$ 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedgewebview2.exe$ patcher.exe File created C:\Program Files\7-Zip\Uninstall.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_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 created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe$ 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ieinstal.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification 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\jre\bin\policytool.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe$ 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe patcher.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmprph.exe patcher.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmpshare.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateBroker.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\pack200.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe$ 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE$ 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_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\Java\jdk-1.8\bin\rmic.exe 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.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 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_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 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_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 1856 2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 3128 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_c3b776d41ae7b3ba2810279ce13d90d2_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:1856
-
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 1.8MB
- SHA256 3d7190e7c961bfa61a8ab87e24e95b3050abaea83212ae0d1411efa1c1725aa7
- MD5 c3b776d41ae7b3ba2810279ce13d90d2
- SHA1 01b9d304ad864eba58dab64e1eee5c567bc07e07
- SHA512 377c02798a2ab3bb14fea4af98a8593d1b8444133a4ab8c5597d525c43c1acfbbd230adaf23495b1859f98b213143ac1db706c5e430def5636afb929b21a0ade
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOaRapxtaFc6Ze0p4Ek4niOkl/A04szE8b:A3k03kHRJgeW4SkZP4sz9Mb
- TLSH T1A3855C16F6784363D0B3C0B9C5D6AA5AFE32344657308ACB0349D3282F277D59A3A779
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.3MB
- SHA256 9114ba1841d20ee733ca6339172ba4f0e71116d1750895b785772a8e0f60d59a
- MD5 72e03d85756f9ea1ab1acdfa297a757e
- SHA1 034fc659b9bfea08029930faa3fb87802bd5599e
- SHA512 d72ed1a380f9aab7dfa2debb7cdc460abeb52fc50c3a065b51c05f8e9bdf45eada556ac736d21ba9defc2a3f098d57c655c64209a0a31439789df0490885e909
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOaRapxtaFc6Ze0p4Ek4niOkl/A04szE86:A3k03kHRJgeW4SkZP4sz9MbBPji0Aj
- TLSH T1E4B53A16F6788372D073C0B9C5D6AA9AFA32344657308ACB0349D72C2F277D59A3A735
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe
- Size 1.8MB
- SHA256 8f93e8008d1e215ee8457a81c3da8b826ec8c62f4c8bfa11262aaad3420fd77f
- MD5 8fb944dcd7d59f3592a570a8e27b810d
- SHA1 35b8aa603543f043a538730cd8c8c8554a2e8088
- SHA512 63465d05baa80f60900a3128e7f7893e18cc4f39998bbad20beebb3e20b97b4dedec0c902fda1e754f61fa76fa1840852c4eee3adaf9c538029abdd60eefb236
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOaRapxtaFc6Ze0p4Ek4niOkl/A04szE8n:A3k03kHRJgeW4SkZP4sz9MbQb
- TLSH T1B6955C16F6B84363D0B3C0B9C5D6AA5AFE31344657308ACB0349D3282F277D59A3A779
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe
- Size 1.8MB
- SHA256 3b474d0e0eddeb1c67350053e1fb7d940216986661443d49e9a9abf93916041a
- MD5 1f0c80c0beb5c16423cb132dc13821fc
- SHA1 165f1699e5df71e091b18b722228956075e82944
- SHA512 d7dc1d9075c655c6e911c35992ac68532f133641db3c0bd085aa95e51bef97f4302669f688e45bc1028206b106f5cff8ef876ac96aae4837f262f1cd0acdc5c3
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJliLKhSaagqOaRapxtaFc6Ze0p4Ek4niOkl/A04szE8u:A3k03kHRJgeW4SkZP4sz9Mbj
- TLSH T16E954B16F6B84362D0B2C075C9D6AA56FA313C4617308ADB0349F7282F377D59A3A739
- MD5 SHA1 SHA512 SSDEEP TLSH