Analysis
- max time kernel
36s - max time network
151s - 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, 21:32
Static task
static1
Behavioral task
behavioral1
Sample
2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe
Resource
win11-20260513-en
General
- Target 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe
- Size 2.9MB
- Sample260519-1d2rtac16t
- SHA256 9f4132eb0a2789efa525bad82985eecd66df89b80cfe157111115d6a875ceea0
- MD5 5d2c0aa1dc4a754ea95eec11a34df042
- SHA1 8d94b5bd9808ac9273ab46196050e587db9f8a9c
- SHA512 157835bbfeb6accd731b594bedc55fbec7cab13c16f5e840a643d5cf8ff44da291f1d0ab732484ecd934297debc55425d5e273481af6acd8f710da0d90263f10
- SSDEEP 24576:eIGZZJkLzJ+AUTpldX2BL96H0QeZjA56lzf96H084WX29W96H0NLMI96H0/6LM1i:eI3LhB8H9CXlMHOWX29rHbHCcHqBCBi4
- TLSH T129D52901A7635177ED623570846A6B540660BFB02F37E2DBEE10751AFD317C26A323BA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
- Executes dropped EXE 7 IoCs
pid Process 5048 spfirewall.exe 3800 35.#.exe 2400 859.#.exe 2332 275.#.exe 3104 405.#.exe 3376 188.#.exe 3300 714.#.exe - Adds Run key to start application 2 TTPs 16 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RegSCRLib = "regsvr32.exe /s scrrun.dll" 275.#.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FileProtector = "C:\\10a0699fa37928d39c\\spfirewall.exe" 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FileProtector = "C:\\10a0699fa37928d39c\\spfirewall.exe" 35.#.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FileProtector = "C:\\10a0699fa37928d39c\\spfirewall.exe" 405.#.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RegSCRLib = "regsvr32.exe /s scrrun.dll" 405.#.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FileProtector = "C:\\10a0699fa37928d39c\\spfirewall.exe" 714.#.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RegSCRLib = "regsvr32.exe /s scrrun.dll" spfirewall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RegSCRLib = "regsvr32.exe /s scrrun.dll" 35.#.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RegSCRLib = "regsvr32.exe /s scrrun.dll" 859.#.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FileProtector = "C:\\10a0699fa37928d39c\\spfirewall.exe" 188.#.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RegSCRLib = "regsvr32.exe /s scrrun.dll" 188.#.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RegSCRLib = "regsvr32.exe /s scrrun.dll" 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FileProtector = "C:\\10a0699fa37928d39c\\spfirewall.exe" spfirewall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FileProtector = "C:\\10a0699fa37928d39c\\spfirewall.exe" 275.#.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RegSCRLib = "regsvr32.exe /s scrrun.dll" 714.#.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FileProtector = "C:\\10a0699fa37928d39c\\spfirewall.exe" 859.#.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\:\systemlog.log 405.#.exe File opened for modification C:\Windows\SysWOW64\:\systemlog.log 714.#.exe File opened for modification C:\Windows\SysWOW64\:\systemlog.log spfirewall.exe File opened for modification C:\Windows\SysWOW64\:\systemlog.log 859.#.exe - Drops file in Program Files directory 50 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\Uninstall.exe$ 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File opened for modification C:\Program Files\Common Files\DESIGNER\ 275.#.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File created C:\Program Files\7-Zip\7z.exe spfirewall.exe File opened for modification C:\Program Files\7-Zip\Lang\ 859.#.exe File opened for modification C:\Program Files\7-Zip\ 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 275.#.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe$ 35.#.exe File opened for modification C:\Program Files\7-Zip\ 275.#.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe spfirewall.exe File opened for modification C:\Program Files\7-Zip\7z.exe spfirewall.exe File opened for modification C:\Program Files\7-Zip\7z.exe$ spfirewall.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe$ 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File opened for modification C:\Program Files\7-Zip\ 35.#.exe File opened for modification C:\Program Files\Common Files\DESIGNER\ 35.#.exe File opened for modification C:\Program Files\Common Files\DESIGNER\ 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe spfirewall.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File created C:\Program Files\7-Zip\Uninstall.exe 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 35.#.exe File opened for modification C:\Program Files\7-Zip\ 859.#.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe 859.#.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe 35.#.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe spfirewall.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 35.#.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 35.#.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 859.#.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 35.#.exe File opened for modification C:\Program Files\7-Zip\Lang\ spfirewall.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 35.#.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 859.#.exe File opened for modification C:\Program Files\7-Zip\Lang\ 275.#.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe 35.#.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe 35.#.exe File opened for modification C:\Program Files\7-Zip\Lang\ 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe$ 35.#.exe File opened for modification C:\Program Files\Common Files\DESIGNER\ 859.#.exe File opened for modification C:\Program Files\7-Zip\7zG.exe$ 275.#.exe File opened for modification C:\Program Files\7-Zip\Lang\ 35.#.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 859.#.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File opened for modification C:\Program Files\7-Zip\ spfirewall.exe File opened for modification C:\Program Files\Common Files\DESIGNER\ spfirewall.exe File created C:\Program Files\7-Zip\7zG.exe 275.#.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 35.#.exe File opened for modification C:\Program Files\7-Zip\7zG.exe spfirewall.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe 35.#.exe - System Location Discovery: System Language Discovery 1 TTPs 24 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 188.#.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spfirewall.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 35.#.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 275.#.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 405.#.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 714.#.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 859.#.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wscript.exe - Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\ScriptHostEncode regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile.HostEncode\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{420B2830-E718-11CF-893D-00A0C9054228} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85131630-480C-11D2-B1F9-00C04F86C324} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.asp regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.FileSystemObject\ = "FileSystem Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.asp regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0CF774D1-F077-11D1-B1BC-00C04F86C324} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ASP.HostEncode\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.asp regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile.HostEncode regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile.HostEncode\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{420B2830-E718-11CF-893D-00A0C9054228} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ASP.HostEncode regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Encoder regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile.HostEncode regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{420B2830-E718-11CF-893D-00A0C9054228}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0CF774D1-F077-11D1-B1BC-00C04F86C324}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile\ScriptHostEncode regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE09B103-97E0-11CF-978F-00A02463E06F}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32DA2B15-CFED-11D1-B747-00C04FC2B085}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE09B103-97E0-11CF-978F-00A02463E06F}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary\ = "Scripting.Dictionary" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D43FE01-F093-11CF-8940-00A0C9054228}\Version regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile\ScriptHostEncode regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.cdx regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.FileSystemObject\ = "FileSystem Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.cdx regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\aspfile\ScriptHostEncode regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\aspfile\ScriptHostEncode regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary\ = "Scripting.Dictionary" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary\ = "Scripting.Dictionary" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ScriptHostEncode regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\HTML.HostEncode regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Encoder regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile.HostEncode\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE09B103-97E0-11CF-978F-00A02463E06F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile\ScriptHostEncode regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\aspfile regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\aspfile regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{420B2830-E718-11CF-893D-00A0C9054228} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\ScriptHostEncode\ = "{85131631-480C-11D2-B1F9-00C04F86C324}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0D43FE01-F093-11CF-8940-00A0C9054228}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\HTML.HostEncode regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\HTML.HostEncode\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.FileSystemObject\ = "FileSystem Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary\CLSID regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0CF774D0-F077-11D1-B1BC-00C04F86C324} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile\ScriptHostEncode regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\HTML.HostEncode regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Scripting.Dictionary\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.cdx regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{420B2830-E718-11CF-893D-00A0C9054228}\1.0 regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\HTML.HostEncode regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32DA2B15-CFED-11D1-B747-00C04FC2B085}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\HTML.HostEncode regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D43FE01-F093-11CF-8940-00A0C9054228}\ProgID regsvr32.exe - NTFS ADS 4 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\systemlog.log 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\:\systemlog.log 35.#.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\:\systemlog.log 275.#.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\:\systemlog.log 188.#.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3984 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe 5048 spfirewall.exe 3800 35.#.exe 2400 859.#.exe 2332 275.#.exe 3104 405.#.exe 3376 188.#.exe 3300 714.#.exe - Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 3984 wrote to memory of 2176 3984 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe 81 PID 5048 wrote to memory of 2956 5048 spfirewall.exe 86 PID 3984 wrote to memory of 2180 3984 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe 87 PID 5048 wrote to memory of 4432 5048 spfirewall.exe 88 PID 3984 wrote to memory of 3800 3984 2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe 89 PID 3800 wrote to memory of 2944 3800 35.#.exe 90 PID 5048 wrote to memory of 2400 5048 spfirewall.exe 91 PID 2400 wrote to memory of 3128 2400 859.#.exe 92 PID 3800 wrote to memory of 4924 3800 35.#.exe 93 PID 2400 wrote to memory of 3900 2400 859.#.exe 94 PID 3800 wrote to memory of 2332 3800 35.#.exe 95 PID 2332 wrote to memory of 2292 2332 275.#.exe 96 PID 2400 wrote to memory of 3104 2400 859.#.exe 97 PID 3104 wrote to memory of 3908 3104 405.#.exe 98 PID 2332 wrote to memory of 2284 2332 275.#.exe 99 PID 3104 wrote to memory of 3248 3104 405.#.exe 100 PID 2332 wrote to memory of 3376 2332 275.#.exe 101 PID 3376 wrote to memory of 5064 3376 188.#.exe 102 PID 3104 wrote to memory of 3300 3104 405.#.exe 103 PID 3300 wrote to memory of 1576 3300 714.#.exe 104 PID 3376 wrote to memory of 2312 3376 188.#.exe 105 PID 3300 wrote to memory of 1220 3300 714.#.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-19_5d2c0aa1dc4a754ea95eec11a34df042_amadey_cobalt-strike_elex_emotet_hijackloader_smoke-loader_stop.exe"1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2176
-
-
C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\312633.vbs"2⤵
- System Location Discovery: System Language Discovery
PID:2180
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C:\Users\Admin\AppData\Local\Temp\35.#.exeC:\Users\Admin\AppData\Local\Temp\35.#.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3800 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll3⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2944
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\651745.vbs"3⤵
- System Location Discovery: System Language Discovery
PID:4924
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C:\Users\Admin\AppData\Local\Temp\275.#.exeC:\Users\Admin\AppData\Local\Temp\275.#.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll4⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2292
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\138805.vbs"4⤵
- System Location Discovery: System Language Discovery
PID:2284
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C:\Users\Admin\AppData\Local\Temp\188.#.exeC:\Users\Admin\AppData\Local\Temp\188.#.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3376 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll5⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:5064
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\868053.vbs"5⤵
- System Location Discovery: System Language Discovery
PID:2312
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C:\Users\Admin\AppData\Local\Temp\61.#.exeC:\Users\Admin\AppData\Local\Temp\61.#.exe5⤵PID:3576
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll6⤵PID:1912
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\129970.vbs"6⤵PID:4572
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C:\Users\Admin\AppData\Local\Temp\585.#.exeC:\Users\Admin\AppData\Local\Temp\585.#.exe6⤵PID:780
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll7⤵PID:2648
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\795009.vbs"7⤵PID:2860
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C:\Users\Admin\AppData\Local\Temp\831.#.exeC:\Users\Admin\AppData\Local\Temp\831.#.exe7⤵PID:844
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll8⤵PID:2448
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\533291.vbs"8⤵PID:5116
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C:\Users\Admin\AppData\Local\Temp\94.#.exeC:\Users\Admin\AppData\Local\Temp\94.#.exe8⤵PID:1300
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll9⤵PID:3184
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\374248.vbs"9⤵PID:1392
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C:\Users\Admin\AppData\Local\Temp\440.#.exeC:\Users\Admin\AppData\Local\Temp\440.#.exe9⤵PID:2544
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll10⤵PID:4240
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\684795.vbs"10⤵PID:5060
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C:\Users\Admin\AppData\Local\Temp\324.#.exeC:\Users\Admin\AppData\Local\Temp\324.#.exe10⤵PID:2412
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll11⤵PID:4848
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C:\Windows\system32\regsvr32.exeregsvr32.exe /s scrrun.dll1⤵
- Modifies registry class
PID:3152
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C:\10a0699fa37928d39c\spfirewall.exeC:\10a0699fa37928d39c\spfirewall.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2956
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\954967.vbs"2⤵
- System Location Discovery: System Language Discovery
PID:4432
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C:\10a0699fa37928d39c\859.#.exeC:\10a0699fa37928d39c\859.#.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll3⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:3128
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\537487.vbs"3⤵
- System Location Discovery: System Language Discovery
PID:3900
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C:\10a0699fa37928d39c\405.#.exeC:\10a0699fa37928d39c\405.#.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3104 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll4⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:3908
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\32070.vbs"4⤵
- System Location Discovery: System Language Discovery
PID:3248
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C:\10a0699fa37928d39c\714.#.exeC:\10a0699fa37928d39c\714.#.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll5⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1576
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\705654.vbs"5⤵
- System Location Discovery: System Language Discovery
PID:1220
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C:\10a0699fa37928d39c\715.#.exeC:\10a0699fa37928d39c\715.#.exe5⤵PID:4916
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll6⤵PID:2184
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\558193.vbs"6⤵PID:1976
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C:\10a0699fa37928d39c\23.#.exeC:\10a0699fa37928d39c\23.#.exe6⤵PID:3440
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll7⤵PID:1132
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\900722.vbs"7⤵PID:2136
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C:\10a0699fa37928d39c\298.#.exeC:\10a0699fa37928d39c\298.#.exe7⤵PID:2808
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll8⤵PID:3780
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\287197.vbs"8⤵PID:1520
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C:\10a0699fa37928d39c\889.#.exeC:\10a0699fa37928d39c\889.#.exe8⤵PID:3976
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll9⤵PID:3796
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\967022.vbs"9⤵PID:1156
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C:\10a0699fa37928d39c\759.#.exeC:\10a0699fa37928d39c\759.#.exe9⤵PID:1716
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll10⤵PID:5052
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C:\Windows\SysWOW64\wscript.exewscript.exe "C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\751201.vbs"10⤵PID:4476
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C:\10a0699fa37928d39c\753.#.exeC:\10a0699fa37928d39c\753.#.exe10⤵PID:648
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s scrrun.dll11⤵PID:1272
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Replay Monitor
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Downloads
- Path C:\10a0699fa37928d39c\753.#.exe
- Size 2.6MB
- SHA256 4e9aaf96fec5a0d2f6a2aef8cdcbfba4b7d55acf6d0f537d0558183fa62a3a51
- MD5 e906a8f616778fa6bc1c530c5ac3e814
- SHA1 21359dad3a9ae8dbbe0e5cb1ca56b4f92ad17fe9
- SHA512 556ff2f393a0ecc4316ad0334c9f05ac86801b413a0fdc8e9bf2b02fa5756e6e6d1aaef7e5b153f47b61b35595bb22bb71b62eeaed8fcdb10962768651f2eaea
- SSDEEP 24576:eIGZZJkLzJ+AUTpldX2BL96H0QeZjA56lzf96H084WX29W96H0NLMI96H0/6LM1+:eI3LhB8H9CXlMHOWX29rHbHCcHqBCBH
- TLSH T1A6C53A01ABA39137ED672530847AA7204670BF701F36E2CBAB51751EBD717C26A32376
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\10a0699fa37928d39c\spfirewall.exe
- Size 2.9MB
- SHA256 9f4132eb0a2789efa525bad82985eecd66df89b80cfe157111115d6a875ceea0
- MD5 5d2c0aa1dc4a754ea95eec11a34df042
- SHA1 8d94b5bd9808ac9273ab46196050e587db9f8a9c
- SHA512 157835bbfeb6accd731b594bedc55fbec7cab13c16f5e840a643d5cf8ff44da291f1d0ab732484ecd934297debc55425d5e273481af6acd8f710da0d90263f10
- SSDEEP 24576:eIGZZJkLzJ+AUTpldX2BL96H0QeZjA56lzf96H084WX29W96H0NLMI96H0/6LM1i:eI3LhB8H9CXlMHOWX29rHbHCcHqBCBi4
- TLSH T129D52901A7635177ED623570846A6B540660BFB02F37E2DBEE10751AFD317C26A323BA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\kinit.exe$
- Size 2.9MB
- SHA256 3d65cd4222b63afd96241c31086e3443162591941b4146b966d413ee4bb6e38f
- MD5 d8df483c5e7b5c3a3ee72d2697f3dd6a
- SHA1 a2923d3f78e310e840277fa27d713fb5538a590e
- SHA512 37225ca294d5d260a1e90c700368b518208cd6e041bed0f082cb6b086f2aa01084277db5efa164354e96ca71fa3601a2f67402aeb8d1350907aaf5858ef77ce4
- SSDEEP 24576:eIGZZJkLzJ+AUTpldX2BL96H0QeZjA56lzf96H084WX29W96H0NLMI96H0/6LM1C:eI3LhB8H9CXlMHOWX29rHbHCcHqBCBiU
- TLSH T132E52901A7635177ED623570846A6B540660BFB02F37E2DBEE10751AFD317C26A323BA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\servertool.exe$
- Size 2.9MB
- SHA256 4e6daf3a8c23219741d39ef1ec4b40316d56d2363abe1d2345cc9ab9dc2f9ce5
- MD5 5ccc50561e468c18a6611d6653cf603e
- SHA1 2d11061aa178a76abb6591dd81f5616de7dac8e7
- SHA512 c27ce85f96c263f4a76f86dad88742ce7eef28c30506276783c3aa98bcf0d524ff72e6194eb52e32ef1de912e48e57a90167d5231bba11954a07dfe8b7638939
- SSDEEP 24576:eIGZZJkLzJ+AUTpldX2BL96H0QeZjA56lzf96H084WX29W96H0NLMI96H0/6LM1x:eI3LhB8H9CXlMHOWX29rHbHCcHqBCBib
- TLSH T131E52901A7635177ED623570846A6B540660BFB02F37E2DBEE10751AFD317C26A323BA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jre-1.8\bin\kinit.exe$
- Size 2.9MB
- SHA256 a6b39bc02e39e97e4546db6d0e16258a243cffdd69ad2a4063d793a4d74d4ba8
- MD5 a2e230a7ba79f5ea47d36067fa6b7124
- SHA1 07c9f25d078e0b9b7e624939f196b23de7831777
- SHA512 1ff70af9058eb3286ce326970c6730ee6cfa7ac78339f3d1aad9a36f191265274bb454d7c472c2cdf6f3d048e957ba0b4d35ab87910d57f36f75df4339a69825
- SSDEEP 24576:eIGZZJkLzJ+AUTpldX2BL96H0QeZjA56lzf96H084WX29W96H0NLMI96H0/6LM1b:eI3LhB8H9CXlMHOWX29rHbHCcHqBCBiR
- TLSH T122E52901A7635177ED623570846A6B540660BFB02F37E2DBEE10751AFD317C26A323BA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2C10A89\312633.vbs
- Size 4KB
- SHA256 c7fea76beb75e7bbfe86eba7d4ed0b49fcddfc24cbf3e5539ad9497e922b5872
- MD5 ea9949eaf20d407557943a8d2f6439db
- SHA1 c510d51adaf9eaf483e4b2f49ebde641a06db16b
- SHA512 3f22dafce013696bb09ca4192f97645093f07902df14649aa29639fbaa06c1123bd64802e4a1488ce9077dd86c8ef52033971e14887eb438ff82540f06ebbb9b
- SSDEEP 96:ec0nKAhFw4rJWAm+CQBD4kTj4CPYb1k9RiO7TKVfJlMcfa/JVF9:InKAhFw4rJWAm+CQBD4kTj4CPYb1k9R5
- TLSH T1FA815439EC2E817A8307A2E60BF344DCEB4EEC4934A6F01C4611F98DA2F4171471A5ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\documents and settings\Admin\Local Settings\Temporary Internet Files\Content.IE5\2C10A89\312633.vbs
- Size 19KB
- SHA256 68af315a2e48e340c71d9235a050dac6f82ac1c10fcc4b7158aeb32230530a9a
- MD5 e98740f59246b23b0d7f73f141f24d47
- SHA1 1bfd55b3f13c85f94e1694bffa89a2d79a61a630
- SHA512 d00ecfc709dc1fc912203f98118a6c47d7a01dfd13f8bf1acd3a7cc9a80ad184507788b027990af47659505e5a09e61f852f73e6529766429a2af8bf0358e928
- SSDEEP 192:InKAhFw4rJWAm+CQBD4kTj4CPYb1k9RiO7TKVBlMcfWJVFsPXnMqqDvGs1OPqYc4:TyRi2mpCC
- TLSH T17E925435EC2E817A8317A2E60BF740DCFB8EEC5924A5F01C0652F98DA2F1671471A5ED
- MD5 SHA1 SHA512 SSDEEP TLSH