Analysis
- max time kernel
150s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/05/2026, 17:00
Behavioral task
behavioral1
Sample
2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe
Resource
win11-20260513-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe
- Size 1.1MB
- Sample260523-vjf5eaew2m
- SHA256 02e19451e6722aba2145780348b6471a7f6387a430308ce1910337fa8dc8c57b
- MD5 dfb57dc3eacddde9c3872d707f468b6a
- SHA1 1f2b21324bb53f3eef6afb12ec1506715104d988
- SHA512 057719aa42867529d92308a99a2c6890ab33680428465359bb971c4e32de22e3fc270f7786a7d4f525880f415dc62bc89b38831964611c84d93bde9282476c40
- SSDEEP 24576:A3mF5jcAkSYqyEj4YTqMi8CtBd2QHCHmTBW5M:A34pYqLqJtb2I
- TLSH T19435F925F6748735D073C0B9C5D2AA9AEE3234465B308ACB1286D77C2F276E6C53A731
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 6 IoCs
resource yara_rule behavioral2/memory/1336-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x001b00000002b75b-7.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/1116-13-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/1336-76-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/1116-77-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000028dc9-1288.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x001b00000002b75b-7.dat aspack_v212_v242 behavioral2/files/0x0003000000028dc9-1288.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 1116 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" 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_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 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_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\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msoev.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE$ patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.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\jdk-1.8\bin\rmic.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.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\jdk-1.8\bin\jarsigner.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\rmid.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 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.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\Java\jdk-1.8\jre\bin\policytool.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javac.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_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\NAMECONTROLSERVER.EXE 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\java.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created C:\Program Files\Java\jre-1.8\bin\unpack200.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\idlj.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\7-Zip\7z.exe$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe 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 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_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 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1336 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe 1116 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_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:1336
-
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:1116
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe$
- Size 1.1MB
- SHA256 02e19451e6722aba2145780348b6471a7f6387a430308ce1910337fa8dc8c57b
- MD5 dfb57dc3eacddde9c3872d707f468b6a
- SHA1 1f2b21324bb53f3eef6afb12ec1506715104d988
- SHA512 057719aa42867529d92308a99a2c6890ab33680428465359bb971c4e32de22e3fc270f7786a7d4f525880f415dc62bc89b38831964611c84d93bde9282476c40
- SSDEEP 24576:A3mF5jcAkSYqyEj4YTqMi8CtBd2QHCHmTBW5M:A34pYqLqJtb2I
- TLSH T19435F925F6748735D073C0B9C5D2AA9AEE3234465B308ACB1286D77C2F276E6C53A731
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
- Size 1.2MB
- SHA256 c7c3c588ffc13253e22eb7a11fec830202c7813b0d42d78524b46c1b17c5dfb7
- MD5 8add800461e859560837d8741f9650f2
- SHA1 9bef1984d0866e82183b350b185edd49aefdb218
- SHA512 86330a6fd2ba86446111f3c1db187b0a2593d914ca4487770709725b8860b17c44c5d0a6a276154fcc5557ae622df5f3936ce599725c8bb281bc11952bc827c3
- SSDEEP 24576:A3mF5jcAkSYqyEj4YTqMi8CtBd2QHCHmTBW5MLF:A34pYqLqJtb2IT
- TLSH T191450815F6A48721D073C0B9C9D2AA9AED323C815B308ADB1286F77C2E376D6D536731
- MD5 SHA1 SHA512 SSDEEP TLSH