Analysis
- max time kernel
48s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 7 IoCs
resource yara_rule behavioral1/memory/1872-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x00070000000244e7-6.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/4184-7-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x0003000000022b88-13.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/1872-70-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/4184-71-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/files/0x0002000000021856-745.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x00070000000244e7-6.dat aspack_v212_v242 behavioral1/files/0x0003000000022b88-13.dat aspack_v212_v242 behavioral1/files/0x0002000000021856-745.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4184 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\Java\jdk-1.8\bin\extcheck.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\javaw.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe$ patcher.exe File created 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\MSOSREC.EXE$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.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\javaws.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_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\jdk-1.8\jre\bin\servertool.exe patcher.exe File opened for modification 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\Java\jdk-1.8\bin\orbd.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.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\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe$ patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE$ patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.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$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.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$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE patcher.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\keytool.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.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\servertool.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.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\Microsoft Office\root\Office16\CLVIEW.EXE 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\dotnet\dotnet.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created C:\Program Files\Java\jdk-1.8\bin\jcmd.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\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe$ patcher.exe File created C:\Program Files\Java\jdk-1.8\bin\jdeps.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File created 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\jps.exe$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe patcher.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE$ patcher.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\javap.exe$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe$ 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.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 - 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 patcher.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.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 1872 2026-05-23_dfb57dc3eacddde9c3872d707f468b6a_amadey_cobalt-strike_elex_hijackloader_wannacry.exe 4184 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:1872
-
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:4184
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\7-Zip\7z.exe$
- Size 1.6MB
- SHA256 ba864c098256dcdb47cfd14afda4e4ce732d49b652f7fc6bc1aeba78cc313e9d
- MD5 f0592543c0c212f9e15fe07c51d93223
- SHA1 f40c5cf02e6bfd35a11972ca8946ba9504b97502
- SHA512 46cecc593384e4cf63c4d8af3192090c5698b5b116b33fb61f55a994471353923129793745331adc51bb0cd10c4cc42a7b6291eab9cafd36f05018330ab2c9ac
- SSDEEP 24576:A3mF5jcAkSYqyEj4YTqMi8CtBd2QHCHmTBW5MP0Le5ji0hmxNrM:A34pYqLqJtb2IRPji0Aj
- TLSH T152850825F6748731D073C0B9C5D2A69AEE7234825B308ACB1286D77C2E677E6C53A731
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe
- Size 1.6MB
- SHA256 a4f9e1e9d0e0ea0e6ef499a8f18405bdef2c57654cca4487f3839592efc427dc
- MD5 bacfdd0912cb76b549bf067b8c1cd927
- SHA1 8864eaf973b29fe0fe061b537cddaff9f05428a4
- SHA512 870ba8eb4964171e74f1ff6dac7c683349fa1ccfc6766755dea71dac4c3b48c4804e6d7230289d35e668581e08639c0cea76c6cc5cd43edf31051683c8fddc0a
- SSDEEP 24576:A3mF5jcAkSYqyEj4YTqMi8CtBd2QHCHmTBW5MnUOlZ7q/c9:A34pYqLqJtb2ItUOlk09
- TLSH T1A1752A25F67886B1D073C0B9C5D2968AEA7234424B30CACB5289D37D2F276D5DD3AB31
- MD5 SHA1 SHA512 SSDEEP TLSH