Analysis
- max time kernel
103s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/05/2026, 08:09
Behavioral task
behavioral1
Sample
2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
Resource
win11-20260513-en
windows11-21h2-x64
11 signatures
150 seconds
General
- Target 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
- Size 1.9MB
- Sample260528-j2bf4aby3s
- SHA256 b4b809dea264dcbb83efb194eadf204bfbe379a2679eb17f5a053c5f3465e5ec
- MD5 c98b3a3610c005ad27268af1cb1e39e0
- SHA1 5978a4609fdf9f4acab01b0b42afdaaa0a46c673
- SHA512 ef6980707c10e527fb2a3b5ab60b9a7db0da7aa9232ca657338ddd552993e0b1f7da8ec0bd2a4cd3e30abb88d24d33bcbccfa7b66e409ddf89533b1399235bf8
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ2RojsqixqXNbSzjYTqMi8CtBd2QHCHmTBW5w5jB:A3k03kHRJKqJtb2IRpYq
- TLSH T135956C16F6644675D073C0B9C5D2AA9AFE3238425B308ACF1389D7282F277D1DA3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 7 IoCs
resource yara_rule behavioral2/memory/3408-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x001a00000002b5d9-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4248-7-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000300000002a322-12.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/3408-70-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4248-71-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000d000000028ef5-1250.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x001a00000002b5d9-5.dat aspack_v212_v242 behavioral2/files/0x000300000002a322-12.dat aspack_v212_v242 behavioral2/files/0x000d000000028ef5-1250.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4248 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" 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_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 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_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 (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe$ patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedge_proxy.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe$ 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\outicon.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_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 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe$ 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_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 created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pj11icon.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Windows Media Player\wmlaunch.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateComRegisterShell64.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\cookie_exporter.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\accicons.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ExtExport.exe patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_proxy.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateBroker.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe patcher.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\MSOSYNC.EXE$ patcher.exe File opened for modification C:\Program Files\Java\jdk-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}\ohub32.exe$ 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\osmclienticon.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\sscicons.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Common Files\Java\Java Update\jaureg.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\BHO\ie_to_edge_stub.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe$ 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe patcher.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe$ 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_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}\visicon.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\wordicon.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdate.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedge_pwa_launcher.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe$ 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msoasb.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaw.exe patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge.exe 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_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 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_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 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3408 2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe 4248 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_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:3408
-
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:4248
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 1.9MB
- SHA256 b4b809dea264dcbb83efb194eadf204bfbe379a2679eb17f5a053c5f3465e5ec
- MD5 c98b3a3610c005ad27268af1cb1e39e0
- SHA1 5978a4609fdf9f4acab01b0b42afdaaa0a46c673
- SHA512 ef6980707c10e527fb2a3b5ab60b9a7db0da7aa9232ca657338ddd552993e0b1f7da8ec0bd2a4cd3e30abb88d24d33bcbccfa7b66e409ddf89533b1399235bf8
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ2RojsqixqXNbSzjYTqMi8CtBd2QHCHmTBW5w5jB:A3k03kHRJKqJtb2IRpYq
- TLSH T135956C16F6644675D073C0B9C5D2AA9AFE3238425B308ACF1389D7282F277D1DA3A771
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 2.5MB
- SHA256 92d3179890b785dae374eb934dff8e746fb50cf2aec44c251b0d3669d21a24ea
- MD5 59675d6debd1057d85aa35aea09789d9
- SHA1 baf99e669be78d19bf636644d04ebd302141ba0a
- SHA512 68a17deffd5a4e598ade4728b58fb9b2b932aefc8c32fba95acf9da381857f69aae263695c5d911b25679d31f472eebc5e97245c43eca16669718b1db76d692c
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ2RojsqixqXNbSzjYTqMi8CtBd2QHCHmTBW5w5j1:A3k03kHRJKqJtb2IRpYqjPji0Aj
- TLSH T1D7C54B16F6748375D073C0B9C5D2A69AEE3134425B308ACB1389D7682F27BD6DA3A731
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$
- Size 2.0MB
- SHA256 35e6c5d49795c99a9003c9a5281da9e2597b661468d581172abe25f9cebca7f1
- MD5 815c6678a2fe63331e5830a5756d773a
- SHA1 b1398db38a9bbb9f9e3538bdfd36cb0601b7e926
- SHA512 206a1496db3739410908ce86fdddedb9f244f6309469a5e66b59b86c65efa0069b190791bb5357d7c48a0a3062ff58b7b6c98aa54a34ae676e69cfdb120cf1e1
- SSDEEP 24576:A3mnXoZ643mnXoZ6i6cMJlCUQ2RojsqixqXNbSzjYTqMi8CtBd2QHCHmTBW5w5j7:A3k03kHRJKqJtb2IRpYqt
- TLSH T188A54B16F6A44275D073C079C9D2AA5AEE313C821B308ADB1349F7282F377D59A3A771
- MD5 SHA1 SHA512 SSDEEP TLSH