2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677

Virtualization/Sandbox Evasion

Processes:

GameLogin.newLoginCycs.exe

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

Downloads MZ/PE file
Executes dropped EXE 5 IoCs

Processes:

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

pid process

1004 9377chiyue_Y_mgaz.exe
1508 CycsAnimator.exe
972 LoginCycs.exe
1668 GameLogin.new
1596 LoginCycs.exe

pid	process
1004	9377chiyue_Y_mgaz.exe
1508	CycsAnimator.exe
972	LoginCycs.exe
1668	GameLogin.new
1596	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-1-5-21-4063495947-34355257-727531523-1000\Software\Wine	GameLogin.new
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Wine	LoginCycs.exe

Loads dropped DLL 47 IoCs

Processes:

2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe9377chiyue_Y_mgaz.exeLoginCycs.exeCycsAnimator.exeGameLogin.newLoginCycs.exe

pid	process
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1004	9377chiyue_Y_mgaz.exe
1004	9377chiyue_Y_mgaz.exe
1004	9377chiyue_Y_mgaz.exe
1004	9377chiyue_Y_mgaz.exe
1004	9377chiyue_Y_mgaz.exe
1004	9377chiyue_Y_mgaz.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1004	9377chiyue_Y_mgaz.exe
1004	9377chiyue_Y_mgaz.exe
1004	9377chiyue_Y_mgaz.exe
1004	9377chiyue_Y_mgaz.exe
972	LoginCycs.exe
972	LoginCycs.exe
1508	CycsAnimator.exe
1508	CycsAnimator.exe
1508	CycsAnimator.exe
972	LoginCycs.exe
972	LoginCycs.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1668	GameLogin.new
1668	GameLogin.new
1596	LoginCycs.exe
1596	LoginCycs.exe
1596	LoginCycs.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	9377chiyue_Y_mgaz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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

1668 GameLogin.new
1596 LoginCycs.exe

pid	process
1668	GameLogin.new
1596	LoginCycs.exe

Drops file in Program Files directory 17 IoCs

Processes:

9377chiyue_Y_mgaz.exeLoginCycs.exe2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exeGameLogin.newLoginCycs.exe

description	ioc	process
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\ChiYue.dll	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\ExpData\Logo.jpg	LoginCycs.exe
File created	C:\Program Files (x86)\Download\uninst.exe	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.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\LoginCycs_V5.0.7z	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\LoginCycs.exe	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\CYCSToolTip.exe	9377chiyue_Y_mgaz.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\CycsAnimator.lnk	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\GameLogin.new	LoginCycs.exe
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\LoginCycs.ini	LoginCycs.exe
File opened for modification	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\ExpData\Logo.jpg	LoginCycs.exe

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

System Information Discovery
T1082

NSIS installer 12 IoCs

installer

Processes:

resource	yara_rule
\Program Files (x86)\Download\uninst.exe	nsis_installer_1
\Program Files (x86)\Download\uninst.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsoA5F.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsoA5F.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsoA5F.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\nsoA5F.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsoA5F.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsoA5F.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsoA5F.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\nsoA5F.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsoA5F.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsoA5F.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

Processes:

iexplore.exeLoginCycs.exeIEXPLORE.EXELoginCycs.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	LoginCycs.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{2F71F9B1-6B14-11ED-BB74-42A406F29BB0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	LoginCycs.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 30f9da0521ffd801	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	LoginCycs.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375961971"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a000000000200000000001066000000010000200000006a9d9b951ff1a37515c20efb7eb1a5ee68b6ce96e402b1ac5d0d349f392a98c9000000000e800000000200002000000073e62c63412b708119794fcf893586efde5f11811d017bc88ff6096d017746e520000000d414857c2e7457d62a62faaf11589ba1a0dea48ea0b04d6e73fae20f76105e2140000000f4d34b20822e23b2997e84f6548bc2a654a449f3a176f3d461a9a9e8be5b80cc84019fb0f21944467f2bfcbc509fee8c58b022f227bf30e51ad6b199a11a9b05	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	LoginCycs.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	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:

2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exeGameLogin.newLoginCycs.exe

pid	process
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
1668	GameLogin.new
1668	GameLogin.new
1596	LoginCycs.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

AUDIODG.EXEGameLogin.new2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe

description	pid	process
Token: 33	1656	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1656	AUDIODG.EXE
Token: 33	1656	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1656	AUDIODG.EXE
Token: SeDebugPrivilege	1668	GameLogin.new
Token: SeRestorePrivilege	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
Token: SeBackupPrivilege	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1088 iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

iexplore.exeIEXPLORE.EXELoginCycs.exeLoginCycs.exe

pid	process
1088	iexplore.exe
1088	iexplore.exe
1216	IEXPLORE.EXE
1216	IEXPLORE.EXE
1216	IEXPLORE.EXE
1216	IEXPLORE.EXE
972	LoginCycs.exe
972	LoginCycs.exe
1596	LoginCycs.exe
1596	LoginCycs.exe

Suspicious use of WriteProcessMemory 61 IoCs

Processes:

2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exeiexplore.exe9377chiyue_Y_mgaz.exeLoginCycs.exeCycsAnimator.execmd.exeGameLogin.new

description	pid	process	target process
PID 1604 wrote to memory of 1088	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe	iexplore.exe
PID 1604 wrote to memory of 1088	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe	iexplore.exe
PID 1604 wrote to memory of 1088	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe	iexplore.exe
PID 1604 wrote to memory of 1088	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe	iexplore.exe
PID 1088 wrote to memory of 1216	1088	iexplore.exe	IEXPLORE.EXE
PID 1088 wrote to memory of 1216	1088	iexplore.exe	IEXPLORE.EXE
PID 1088 wrote to memory of 1216	1088	iexplore.exe	IEXPLORE.EXE
PID 1088 wrote to memory of 1216	1088	iexplore.exe	IEXPLORE.EXE
PID 1088 wrote to memory of 1216	1088	iexplore.exe	IEXPLORE.EXE
PID 1088 wrote to memory of 1216	1088	iexplore.exe	IEXPLORE.EXE
PID 1088 wrote to memory of 1216	1088	iexplore.exe	IEXPLORE.EXE
PID 1604 wrote to memory of 1004	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe	9377chiyue_Y_mgaz.exe
PID 1604 wrote to memory of 1004	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe	9377chiyue_Y_mgaz.exe
PID 1604 wrote to memory of 1004	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe	9377chiyue_Y_mgaz.exe
PID 1604 wrote to memory of 1004	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe	9377chiyue_Y_mgaz.exe
PID 1604 wrote to memory of 1004	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe	9377chiyue_Y_mgaz.exe
PID 1604 wrote to memory of 1004	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe	9377chiyue_Y_mgaz.exe
PID 1604 wrote to memory of 1004	1604	2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe	9377chiyue_Y_mgaz.exe
PID 1004 wrote to memory of 1508	1004	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1004 wrote to memory of 1508	1004	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1004 wrote to memory of 1508	1004	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1004 wrote to memory of 1508	1004	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1004 wrote to memory of 1508	1004	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1004 wrote to memory of 1508	1004	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1004 wrote to memory of 1508	1004	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 1004 wrote to memory of 972	1004	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1004 wrote to memory of 972	1004	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1004 wrote to memory of 972	1004	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1004 wrote to memory of 972	1004	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1004 wrote to memory of 972	1004	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1004 wrote to memory of 972	1004	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1004 wrote to memory of 972	1004	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 972 wrote to memory of 1000	972	LoginCycs.exe	cmd.exe
PID 972 wrote to memory of 1000	972	LoginCycs.exe	cmd.exe
PID 972 wrote to memory of 1000	972	LoginCycs.exe	cmd.exe
PID 972 wrote to memory of 1000	972	LoginCycs.exe	cmd.exe
PID 972 wrote to memory of 1000	972	LoginCycs.exe	cmd.exe
PID 972 wrote to memory of 1000	972	LoginCycs.exe	cmd.exe
PID 972 wrote to memory of 1000	972	LoginCycs.exe	cmd.exe
PID 1508 wrote to memory of 1232	1508	CycsAnimator.exe	Explorer.EXE
PID 1000 wrote to memory of 804	1000	cmd.exe	netsh.exe
PID 1000 wrote to memory of 804	1000	cmd.exe	netsh.exe
PID 1000 wrote to memory of 804	1000	cmd.exe	netsh.exe
PID 1000 wrote to memory of 804	1000	cmd.exe	netsh.exe
PID 1000 wrote to memory of 804	1000	cmd.exe	netsh.exe
PID 1000 wrote to memory of 804	1000	cmd.exe	netsh.exe
PID 1000 wrote to memory of 804	1000	cmd.exe	netsh.exe
PID 972 wrote to memory of 1668	972	LoginCycs.exe	GameLogin.new
PID 972 wrote to memory of 1668	972	LoginCycs.exe	GameLogin.new
PID 972 wrote to memory of 1668	972	LoginCycs.exe	GameLogin.new
PID 972 wrote to memory of 1668	972	LoginCycs.exe	GameLogin.new
PID 972 wrote to memory of 1668	972	LoginCycs.exe	GameLogin.new
PID 972 wrote to memory of 1668	972	LoginCycs.exe	GameLogin.new
PID 972 wrote to memory of 1668	972	LoginCycs.exe	GameLogin.new
PID 1668 wrote to memory of 1596	1668	GameLogin.new	LoginCycs.exe
PID 1668 wrote to memory of 1596	1668	GameLogin.new	LoginCycs.exe
PID 1668 wrote to memory of 1596	1668	GameLogin.new	LoginCycs.exe
PID 1668 wrote to memory of 1596	1668	GameLogin.new	LoginCycs.exe
PID 1668 wrote to memory of 1596	1668	GameLogin.new	LoginCycs.exe
PID 1668 wrote to memory of 1596	1668	GameLogin.new	LoginCycs.exe
PID 1668 wrote to memory of 1596	1668	GameLogin.new	LoginCycs.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232

C:\Users\Admin\AppData\Local\Temp\2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe
"C:\Users\Admin\AppData\Local\Temp\2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe"
2⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://f.shuianshanba.com/2fd530a8d8ae92a284a6a93daab6a35055f331b235294f5e7c4152f6cbe85677.exe/40.jpg
3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1088

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1088 CREDAT:275457 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1216

C:\Users\Admin\AppData\Local\Temp\nsoA5F.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:1004

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:1508

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:972

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ""netsh" interface tcp set global autotuninglevel=disabled"
5⤵
- Suspicious use of WriteProcessMemory
PID:1000

C:\Windows\SysWOW64\netsh.exe
"netsh" interface tcp set global autotuninglevel=disabled
6⤵
PID:804

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:1668

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:1596

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x170
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1656

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