f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9

Virtualization/Sandbox Evasion

Processes:

LoginCycs.exeGameLogin.new

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	LoginCycs.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	GameLogin.new

Downloads MZ/PE file
Executes dropped EXE 5 IoCs

Processes:

9377chiyue_Y_mgaz.exeCycsAnimator.exeLoginCycs.exeGameLogin.newLoginCycs.exe

pid process

1696 9377chiyue_Y_mgaz.exe
1716 CycsAnimator.exe
1768 LoginCycs.exe
1144 GameLogin.new
1524 LoginCycs.exe

pid	process
1696	9377chiyue_Y_mgaz.exe
1716	CycsAnimator.exe
1768	LoginCycs.exe
1144	GameLogin.new
1524	LoginCycs.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

T1082

Processes:

GameLogin.newLoginCycs.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	GameLogin.new
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	GameLogin.new
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	LoginCycs.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	LoginCycs.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

GameLogin.newLoginCycs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Wine	GameLogin.new
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Wine	LoginCycs.exe

Loads dropped DLL 47 IoCs

Processes:

f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe9377chiyue_Y_mgaz.exeCycsAnimator.exeLoginCycs.exeWerFault.exeGameLogin.newLoginCycs.exe

pid	process
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
1696	9377chiyue_Y_mgaz.exe
1696	9377chiyue_Y_mgaz.exe
1696	9377chiyue_Y_mgaz.exe
1696	9377chiyue_Y_mgaz.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
1696	9377chiyue_Y_mgaz.exe
1696	9377chiyue_Y_mgaz.exe
1696	9377chiyue_Y_mgaz.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
1696	9377chiyue_Y_mgaz.exe
1696	9377chiyue_Y_mgaz.exe
1696	9377chiyue_Y_mgaz.exe
1716	CycsAnimator.exe
1716	CycsAnimator.exe
1768	LoginCycs.exe
1768	LoginCycs.exe
1716	CycsAnimator.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
1768	LoginCycs.exe
1768	LoginCycs.exe
2004	WerFault.exe
2004	WerFault.exe
2004	WerFault.exe
2004	WerFault.exe
2004	WerFault.exe
2004	WerFault.exe
2004	WerFault.exe
1144	GameLogin.new
1144	GameLogin.new
1524	LoginCycs.exe
1524	LoginCycs.exe
1524	LoginCycs.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

Processes:

9377chiyue_Y_mgaz.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	9377chiyue_Y_mgaz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\CYCSAnimator = "\"C:\\Program Files (x86)\\9377-³àÔÂ´«Ëµ\\CycsAnimator.exe\" \"C:\\Program Files (x86)\\9377-³àÔÂ´«Ëµ\\ChiYue.dll\" 1"	9377chiyue_Y_mgaz.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

GameLogin.newLoginCycs.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	GameLogin.new
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	LoginCycs.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

GameLogin.newLoginCycs.exe

pid process

1144 GameLogin.new
1524 LoginCycs.exe

pid	process
1144	GameLogin.new
1524	LoginCycs.exe

Drops file in Program Files directory 17 IoCs

Processes:

9377chiyue_Y_mgaz.exeLoginCycs.exeGameLogin.newLoginCycs.exef1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe

description	ioc	process
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\CYCSToolTip.exe	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\ChiYue.dll	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\GameLogin.new	LoginCycs.exe
File opened for modification	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.exe	GameLogin.new
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\CycsAnimator.exe	9377chiyue_Y_mgaz.exe
File opened for modification	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.ini	LoginCycs.exe
File opened for modification	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\ExpData\Logo.jpg	LoginCycs.exe
File opened for modification	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.ini	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.exe	9377chiyue_Y_mgaz.exe
File opened for modification	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.ini	LoginCycs.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\ExpData\Logo.jpg	LoginCycs.exe
File created	C:\Program Files (x86)\SetupIns\Uninstall.exe	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\Cycs.ico	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\Lieyan.ico	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\replay.htm	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\CycsAnimator.lnk	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs_V5.0.7z	LoginCycs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2004 1768 WerFault.exe LoginCycs.exe

pid	pid_target	process	target process
2004	1768	WerFault.exe	LoginCycs.exe

NSIS installer 12 IoCs

installer

Processes:

resource	yara_rule
\Program Files (x86)\SetupIns\Uninstall.exe	nsis_installer_1
\Program Files (x86)\SetupIns\Uninstall.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsd564D.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsd564D.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsd564D.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\nsd564D.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsd564D.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\nsd564D.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsd564D.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsd564D.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsd564D.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsd564D.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

Processes:

iexplore.exeIEXPLORE.EXELoginCycs.exeLoginCycs.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 006421791601d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A2900491-6D09-11ED-85E0-FE41811C61F5} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	LoginCycs.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	LoginCycs.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e1331ee1fe2dfb4098a36c0ef80a12ca0000000002000000000010660000000100002000000046c46cc53ad2e09f607b04553480dcfa6646538024ab06dbfe5c9fd64ca7f959000000000e80000000020000200000003161a04135f640a00d563f7d2d4df43a391af166a653a7297ccfa22f4f3fa8ab20000000dbf7f7696881d28dec17566a1ca55c04b73305f2b79f3e555c2421424235780840000000cf3b6a76e4c948708f6f1cc394564af3a33524ba79bb66d0f4f5945abd9e8d197963c5575cdb2ba042e770283715896eb2f0758984e61d7e5e4873173261a439	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

Processes:

LoginCycs.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	LoginCycs.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	LoginCycs.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exeGameLogin.newLoginCycs.exe

pid	process
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
1144	GameLogin.new
1144	GameLogin.new
1524	LoginCycs.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

AUDIODG.EXEGameLogin.new

description	pid	process
Token: 33	1200	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1200	AUDIODG.EXE
Token: 33	1200	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1200	AUDIODG.EXE
Token: SeDebugPrivilege	1144	GameLogin.new

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

276 iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

iexplore.exeIEXPLORE.EXELoginCycs.exeLoginCycs.exe

pid	process
276	iexplore.exe
276	iexplore.exe
848	IEXPLORE.EXE
848	IEXPLORE.EXE
848	IEXPLORE.EXE
848	IEXPLORE.EXE
1768	LoginCycs.exe
1768	LoginCycs.exe
1524	LoginCycs.exe
1524	LoginCycs.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exeiexplore.exe9377chiyue_Y_mgaz.exeCycsAnimator.exeLoginCycs.execmd.exeGameLogin.new

description	pid	process	target process
PID 2000 wrote to memory of 276	2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe	iexplore.exe
PID 2000 wrote to memory of 276	2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe	iexplore.exe
PID 2000 wrote to memory of 276	2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe	iexplore.exe
PID 2000 wrote to memory of 276	2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe	iexplore.exe
PID 276 wrote to memory of 848	276	iexplore.exe	IEXPLORE.EXE
PID 276 wrote to memory of 848	276	iexplore.exe	IEXPLORE.EXE
PID 276 wrote to memory of 848	276	iexplore.exe	IEXPLORE.EXE
PID 276 wrote to memory of 848	276	iexplore.exe	IEXPLORE.EXE
PID 276 wrote to memory of 848	276	iexplore.exe	IEXPLORE.EXE
PID 276 wrote to memory of 848	276	iexplore.exe	IEXPLORE.EXE
PID 276 wrote to memory of 848	276	iexplore.exe	IEXPLORE.EXE
PID 2000 wrote to memory of 1696	2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe	9377chiyue_Y_mgaz.exe
PID 2000 wrote to memory of 1696	2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe	9377chiyue_Y_mgaz.exe
PID 2000 wrote to memory of 1696	2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe	9377chiyue_Y_mgaz.exe
PID 2000 wrote to memory of 1696	2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe	9377chiyue_Y_mgaz.exe
PID 2000 wrote to memory of 1696	2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe	9377chiyue_Y_mgaz.exe
PID 2000 wrote to memory of 1696	2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe	9377chiyue_Y_mgaz.exe
PID 2000 wrote to memory of 1696	2000	f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe	9377chiyue_Y_mgaz.exe
PID 1696 wrote to memory of 1716	1696	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1696 wrote to memory of 1716	1696	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1696 wrote to memory of 1716	1696	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1696 wrote to memory of 1716	1696	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1696 wrote to memory of 1716	1696	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1696 wrote to memory of 1716	1696	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1696 wrote to memory of 1716	1696	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1696 wrote to memory of 1768	1696	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1696 wrote to memory of 1768	1696	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1696 wrote to memory of 1768	1696	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1696 wrote to memory of 1768	1696	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1696 wrote to memory of 1768	1696	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1696 wrote to memory of 1768	1696	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1696 wrote to memory of 1768	1696	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1716 wrote to memory of 1284	1716	CycsAnimator.exe	Explorer.EXE
PID 1768 wrote to memory of 772	1768	LoginCycs.exe	cmd.exe
PID 1768 wrote to memory of 772	1768	LoginCycs.exe	cmd.exe
PID 1768 wrote to memory of 772	1768	LoginCycs.exe	cmd.exe
PID 1768 wrote to memory of 772	1768	LoginCycs.exe	cmd.exe
PID 1768 wrote to memory of 772	1768	LoginCycs.exe	cmd.exe
PID 1768 wrote to memory of 772	1768	LoginCycs.exe	cmd.exe
PID 1768 wrote to memory of 772	1768	LoginCycs.exe	cmd.exe
PID 772 wrote to memory of 1388	772	cmd.exe	netsh.exe
PID 772 wrote to memory of 1388	772	cmd.exe	netsh.exe
PID 772 wrote to memory of 1388	772	cmd.exe	netsh.exe
PID 772 wrote to memory of 1388	772	cmd.exe	netsh.exe
PID 772 wrote to memory of 1388	772	cmd.exe	netsh.exe
PID 772 wrote to memory of 1388	772	cmd.exe	netsh.exe
PID 772 wrote to memory of 1388	772	cmd.exe	netsh.exe
PID 1768 wrote to memory of 1144	1768	LoginCycs.exe	GameLogin.new
PID 1768 wrote to memory of 1144	1768	LoginCycs.exe	GameLogin.new
PID 1768 wrote to memory of 1144	1768	LoginCycs.exe	GameLogin.new
PID 1768 wrote to memory of 1144	1768	LoginCycs.exe	GameLogin.new
PID 1768 wrote to memory of 1144	1768	LoginCycs.exe	GameLogin.new
PID 1768 wrote to memory of 1144	1768	LoginCycs.exe	GameLogin.new
PID 1768 wrote to memory of 1144	1768	LoginCycs.exe	GameLogin.new
PID 1768 wrote to memory of 2004	1768	LoginCycs.exe	WerFault.exe
PID 1768 wrote to memory of 2004	1768	LoginCycs.exe	WerFault.exe
PID 1768 wrote to memory of 2004	1768	LoginCycs.exe	WerFault.exe
PID 1768 wrote to memory of 2004	1768	LoginCycs.exe	WerFault.exe
PID 1768 wrote to memory of 2004	1768	LoginCycs.exe	WerFault.exe
PID 1768 wrote to memory of 2004	1768	LoginCycs.exe	WerFault.exe
PID 1768 wrote to memory of 2004	1768	LoginCycs.exe	WerFault.exe
PID 1144 wrote to memory of 1524	1144	GameLogin.new	LoginCycs.exe
PID 1144 wrote to memory of 1524	1144	GameLogin.new	LoginCycs.exe
PID 1144 wrote to memory of 1524	1144	GameLogin.new	LoginCycs.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1284

C:\Users\Admin\AppData\Local\Temp\f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe
"C:\Users\Admin\AppData\Local\Temp\f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe"
2⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2000

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://f.handanxinyuan.com/f1957c24195b5af57e83edf1fd8b28644179313463edc3714123ac2b76e351c9.exe/40.jpg
3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:276

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:276 CREDAT:275457 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:848

C:\Users\Admin\AppData\Local\Temp\nsd564D.tmp\9377chiyue_Y_mgaz.exe
9377chiyue_Y_mgaz.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1696

C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\CycsAnimator.exe
"C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\CycsAnimator.exe" "C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\ChiYue.dll" 1
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1716

C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.exe
"C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.exe"
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ""netsh" interface tcp set global autotuninglevel=disabled"
5⤵
- Suspicious use of WriteProcessMemory
PID:772

C:\Windows\SysWOW64\netsh.exe
"netsh" interface tcp set global autotuninglevel=disabled
6⤵
PID:1388

C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\GameLogin.new
"C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\GameLogin.new" "C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.exe"
5⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144

C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.exe
"C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.exe"
6⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 1868
5⤵
- Loads dropped DLL
- Program crash
PID:2004

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x574
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1200

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Modify Registry

Install Root Certificate

T1130

Credential Access

Discovery

Query Registry

Virtualization/Sandbox Evasion