Analysis
- max time kernel
60s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
19/05/2026, 11:12
Behavioral task
behavioral1
Sample
2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11-20260513-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.0MB
- Sample260519-nbbfmaex4l
- SHA256 229031d6e67f0fbe003b13147ff0cd3a6ec6d04579d4577fcaca7e313fbcbf87
- MD5 554a9de3bf40586ac807e8939113f2be
- SHA1 7fb961a01aca1d7e8e9545e86211a6bd0f3e2d13
- SHA512 1d395810fa7b8705d9c63643c804ff8240799d58abc8d11fc898b959122f8a042e14b72af569c43e4526a445e233e60946d794b2ca28f2a3a516b15a5cab4b8a
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bRaQf+BeD5TvinrmC:A3k03kHRJw56rX
- TLSH T136356B03A6980FE8D11F81749A964A62EA777C121F2097CF1354AE153F72BD0AF3A357
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 8 IoCs
resource yara_rule behavioral2/memory/3468-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000400000002a8f9-7.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5520-13-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3468-76-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/5520-77-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0006000000028ea0-1278.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x001e00000001a60c-1527.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x00180000000004a7-2087.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000400000002a8f9-7.dat aspack_v212_v242 behavioral2/files/0x0006000000028ea0-1278.dat aspack_v212_v242 behavioral2/files/0x001e00000001a60c-1527.dat aspack_v212_v242 behavioral2/files/0x00180000000004a7-2087.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 5520 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" 2026-05-19_554a9de3bf40586ac807e8939113f2be_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 2026-05-19_554a9de3bf40586ac807e8939113f2be_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\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe patcher.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\xjc.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.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\Office16\Wordconv.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jcmd.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe patcher.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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\javap.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_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 created C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.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\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.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\Installer\chrmstp.exe$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe patcher.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_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\Common Files\microsoft shared\OFFICE16\LICLUA.EXE 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe$ 2026-05-19_554a9de3bf40586ac807e8939113f2be_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 2026-05-19_554a9de3bf40586ac807e8939113f2be_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 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3468 2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 5520 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-19_554a9de3bf40586ac807e8939113f2be_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-19_554a9de3bf40586ac807e8939113f2be_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:3468
-
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:5520
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe$
- Size 1.0MB
- SHA256 229031d6e67f0fbe003b13147ff0cd3a6ec6d04579d4577fcaca7e313fbcbf87
- MD5 554a9de3bf40586ac807e8939113f2be
- SHA1 7fb961a01aca1d7e8e9545e86211a6bd0f3e2d13
- SHA512 1d395810fa7b8705d9c63643c804ff8240799d58abc8d11fc898b959122f8a042e14b72af569c43e4526a445e233e60946d794b2ca28f2a3a516b15a5cab4b8a
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bRaQf+BeD5TvinrmC:A3k03kHRJw56rX
- TLSH T136356B03A6980FE8D11F81749A964A62EA777C121F2097CF1354AE153F72BD0AF3A357
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$
- Size 1.5MB
- SHA256 f838678fdb3162e5a96e1209ea52a61bc683a32d5b3a9479ad346a40af731b46
- MD5 253af21f99cfda9325b35c88ddaabbf7
- SHA1 1a505e3a4fcf63e5e642f37eb6a6ee7e4863f851
- SHA512 b16d9d218acd58b41a372f7434adec8f4f5666e1f38fd71dc53d0c4795f7b60146dd9c9f496b4dcb3a796e2335c1c8c96a3964fd50ae7d025d497005974fc339
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bRaQf+BeD5TvinrmO3Td9CHKy7GZO:A3k03kHRJw56rXTd9CHKyao
- TLSH T14E657C12E7D40AE4E16FC23489A64522EA777C561F2097CF1354AE153F32BD0AE39B63
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe
- Size 1.1MB
- SHA256 ae39b1f09bcc060cf64dd3ced4197e5136e1c5dabb6111daa1d0370a745a9543
- MD5 a29dbb7595fdc38840c5604e070bbcf4
- SHA1 eba8acfbabfbeec0aa7fc0b25835791ec8c21c44
- SHA512 36ea462146633b43f6daa134ca2e1bc5a935a09c2fa4caeec5ec8d1bd9d5aafc05dffcb1de9e2532b1b33ed59c476e6e8353e3e000db032821a5fba3d4f90640
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bRaQf+BeD5TvinrmgF:A3k03kHRJw56r9
- TLSH T126355A03E6990FA4D24F81349A968A22E6377D520F2097EF1354BF253F327D0AA39757
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\MicrosoftEdge.exe$
- Size 1.3MB
- SHA256 b60271bbe99bd663c35069998127c942b61a019fbd0aacd48328b72cfd46183c
- MD5 b55970f5e6b22b1e2cc197c8b8276f48
- SHA1 b1b1344c4d096f32608cdd5d0217c1f9f526ef0c
- SHA512 e8a73c9c716c95bc45e6fb24b9e0f55a37920001e378eff4a81ecbed37e66415be5cae96bea6c85ddd0ec5904dbe395b3779506fdac3ff3c5029825c8a038c4f
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ0l98bRaQf+BeD5TvinrmQV+PAk2hMH3:A3k03kHRJw56rPi2WH3
- TLSH T1A6559D23A6980EB5D11F81349AA58536E7377C124F2193CF1354AE1A3F72BD0AE3A357
- MD5 SHA1 SHA512 SSDEEP TLSH