fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d

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

908 9377chiyue_Y_mgaz.exe
1560 CycsAnimator.exe
1440 LoginCycs.exe
1648 GameLogin.new
1584 LoginCycs.exe

pid	process
908	9377chiyue_Y_mgaz.exe
1560	CycsAnimator.exe
1440	LoginCycs.exe
1648	GameLogin.new
1584	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 48 IoCs

Processes:

fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe9377chiyue_Y_mgaz.exeCycsAnimator.exeLoginCycs.exeGameLogin.newLoginCycs.exe

pid	process
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
908	9377chiyue_Y_mgaz.exe
908	9377chiyue_Y_mgaz.exe
908	9377chiyue_Y_mgaz.exe
908	9377chiyue_Y_mgaz.exe
908	9377chiyue_Y_mgaz.exe
908	9377chiyue_Y_mgaz.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
908	9377chiyue_Y_mgaz.exe
908	9377chiyue_Y_mgaz.exe
908	9377chiyue_Y_mgaz.exe
908	9377chiyue_Y_mgaz.exe
1560	CycsAnimator.exe
1560	CycsAnimator.exe
1440	LoginCycs.exe
1440	LoginCycs.exe
1560	CycsAnimator.exe
1440	LoginCycs.exe
1440	LoginCycs.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
1648	GameLogin.new
1648	GameLogin.new
1584	LoginCycs.exe
1584	LoginCycs.exe
1584	LoginCycs.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.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

1648 GameLogin.new
1584 LoginCycs.exe

pid	process
1648	GameLogin.new
1584	LoginCycs.exe

Drops file in Program Files directory 17 IoCs

Processes:

9377chiyue_Y_mgaz.exeLoginCycs.exeGameLogin.newLoginCycs.exefef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.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\Lieyan.ico	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 opened for modification	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.exe	GameLogin.new
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 opened for modification	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\ExpData\Logo.jpg	LoginCycs.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.exe	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\CycsAnimator.exe	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs_V5.0.7z	LoginCycs.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\GameLogin.new	LoginCycs.exe
File created	C:\Program Files (x86)\FunLoader\Unload.exe	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.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\Cycs.ico	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\ChiYue.dll	9377chiyue_Y_mgaz.exe
File opened for modification	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\LoginCycs.ini	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)\FunLoader\Unload.exe	nsis_installer_1
\Program Files (x86)\FunLoader\Unload.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj2BC4.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsj2BC4.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsj2BC4.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\nsj2BC4.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj2BC4.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsj2BC4.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj2BC4.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsj2BC4.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsj2BC4.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\nsj2BC4.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\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 2027378e2dffd801	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 (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\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	LoginCycs.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a0000000002000000000010660000000100002000000087e62051280882a289010c2e7aba150c2f2adb85bb6ec2bf0bf1d9471f3304be000000000e80000000020000200000009e03ac787f228cd1b118ea2301938b32f40ecd42ae8acc7c77000962fa962a0120000000b913aa835c01db60cc43c69d5a1b887fd530df83d783e0b444fe22513b1978be4000000098e685b220a4cdb0c693f2915e6bfaaa30722e5bafd1b36178c626164f94254c6c24637f48c170d08e4a838c4651198ad017120e1ba68d740eff5fd5720f9e8c	iexplore.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
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375967355"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{B89B9191-6B20-11ED-AD72-5E7A81A7298C} = "0"	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\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	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\LowRegistry	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 (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\BrowserEmulation\LowMic	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\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	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\Main	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
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
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
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 (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	LoginCycs.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\Main\WindowsSearch	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 15 IoCs

Processes:

fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exeGameLogin.newLoginCycs.exe

pid	process
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
1648	GameLogin.new
1648	GameLogin.new
1584	LoginCycs.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

AUDIODG.EXEGameLogin.newfef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe

description	pid	process
Token: 33	1724	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1724	AUDIODG.EXE
Token: 33	1724	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1724	AUDIODG.EXE
Token: SeDebugPrivilege	1648	GameLogin.new
Token: SeRestorePrivilege	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
Token: SeBackupPrivilege	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

848 iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

iexplore.exeIEXPLORE.EXELoginCycs.exeLoginCycs.exe

pid	process
848	iexplore.exe
848	iexplore.exe
816	IEXPLORE.EXE
816	IEXPLORE.EXE
1440	LoginCycs.exe
1440	LoginCycs.exe
816	IEXPLORE.EXE
816	IEXPLORE.EXE
1584	LoginCycs.exe
1584	LoginCycs.exe

Suspicious use of WriteProcessMemory 61 IoCs

Processes:

fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exeiexplore.exe9377chiyue_Y_mgaz.exeCycsAnimator.exeLoginCycs.execmd.exeGameLogin.new

description	pid	process	target process
PID 2016 wrote to memory of 848	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe	iexplore.exe
PID 2016 wrote to memory of 848	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe	iexplore.exe
PID 2016 wrote to memory of 848	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe	iexplore.exe
PID 2016 wrote to memory of 848	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe	iexplore.exe
PID 848 wrote to memory of 816	848	iexplore.exe	IEXPLORE.EXE
PID 848 wrote to memory of 816	848	iexplore.exe	IEXPLORE.EXE
PID 848 wrote to memory of 816	848	iexplore.exe	IEXPLORE.EXE
PID 848 wrote to memory of 816	848	iexplore.exe	IEXPLORE.EXE
PID 848 wrote to memory of 816	848	iexplore.exe	IEXPLORE.EXE
PID 848 wrote to memory of 816	848	iexplore.exe	IEXPLORE.EXE
PID 848 wrote to memory of 816	848	iexplore.exe	IEXPLORE.EXE
PID 2016 wrote to memory of 908	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe	9377chiyue_Y_mgaz.exe
PID 2016 wrote to memory of 908	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe	9377chiyue_Y_mgaz.exe
PID 2016 wrote to memory of 908	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe	9377chiyue_Y_mgaz.exe
PID 2016 wrote to memory of 908	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe	9377chiyue_Y_mgaz.exe
PID 2016 wrote to memory of 908	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe	9377chiyue_Y_mgaz.exe
PID 2016 wrote to memory of 908	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe	9377chiyue_Y_mgaz.exe
PID 2016 wrote to memory of 908	2016	fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe	9377chiyue_Y_mgaz.exe
PID 908 wrote to memory of 1560	908	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 908 wrote to memory of 1560	908	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 908 wrote to memory of 1560	908	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 908 wrote to memory of 1560	908	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 908 wrote to memory of 1560	908	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 908 wrote to memory of 1560	908	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 908 wrote to memory of 1560	908	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 908 wrote to memory of 1440	908	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 908 wrote to memory of 1440	908	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 908 wrote to memory of 1440	908	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 908 wrote to memory of 1440	908	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 908 wrote to memory of 1440	908	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 908 wrote to memory of 1440	908	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 908 wrote to memory of 1440	908	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 1560 wrote to memory of 1368	1560	CycsAnimator.exe	Explorer.EXE
PID 1440 wrote to memory of 540	1440	LoginCycs.exe	cmd.exe
PID 1440 wrote to memory of 540	1440	LoginCycs.exe	cmd.exe
PID 1440 wrote to memory of 540	1440	LoginCycs.exe	cmd.exe
PID 1440 wrote to memory of 540	1440	LoginCycs.exe	cmd.exe
PID 1440 wrote to memory of 540	1440	LoginCycs.exe	cmd.exe
PID 1440 wrote to memory of 540	1440	LoginCycs.exe	cmd.exe
PID 1440 wrote to memory of 540	1440	LoginCycs.exe	cmd.exe
PID 540 wrote to memory of 856	540	cmd.exe	netsh.exe
PID 540 wrote to memory of 856	540	cmd.exe	netsh.exe
PID 540 wrote to memory of 856	540	cmd.exe	netsh.exe
PID 540 wrote to memory of 856	540	cmd.exe	netsh.exe
PID 540 wrote to memory of 856	540	cmd.exe	netsh.exe
PID 540 wrote to memory of 856	540	cmd.exe	netsh.exe
PID 540 wrote to memory of 856	540	cmd.exe	netsh.exe
PID 1440 wrote to memory of 1648	1440	LoginCycs.exe	GameLogin.new
PID 1440 wrote to memory of 1648	1440	LoginCycs.exe	GameLogin.new
PID 1440 wrote to memory of 1648	1440	LoginCycs.exe	GameLogin.new
PID 1440 wrote to memory of 1648	1440	LoginCycs.exe	GameLogin.new
PID 1440 wrote to memory of 1648	1440	LoginCycs.exe	GameLogin.new
PID 1440 wrote to memory of 1648	1440	LoginCycs.exe	GameLogin.new
PID 1440 wrote to memory of 1648	1440	LoginCycs.exe	GameLogin.new
PID 1648 wrote to memory of 1584	1648	GameLogin.new	LoginCycs.exe
PID 1648 wrote to memory of 1584	1648	GameLogin.new	LoginCycs.exe
PID 1648 wrote to memory of 1584	1648	GameLogin.new	LoginCycs.exe
PID 1648 wrote to memory of 1584	1648	GameLogin.new	LoginCycs.exe
PID 1648 wrote to memory of 1584	1648	GameLogin.new	LoginCycs.exe
PID 1648 wrote to memory of 1584	1648	GameLogin.new	LoginCycs.exe
PID 1648 wrote to memory of 1584	1648	GameLogin.new	LoginCycs.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1368

C:\Users\Admin\AppData\Local\Temp\fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe
"C:\Users\Admin\AppData\Local\Temp\fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe"
2⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://k.shuianshanba.com/fef13d1944bc268cd6a2d4c6e9ce7a2bf71d492ec88460ee91c566eae2d7934d.exe/sohu.jpg
3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:848

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:848 CREDAT:275457 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:816

C:\Users\Admin\AppData\Local\Temp\nsj2BC4.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:908

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:1440

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ""netsh" interface tcp set global autotuninglevel=disabled"
5⤵
- Suspicious use of WriteProcessMemory
PID:540

C:\Windows\SysWOW64\netsh.exe
"netsh" interface tcp set global autotuninglevel=disabled
6⤵
PID:856

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:1648

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:1584

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:1560

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x530
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

T1082

Virtualization/Sandbox Evasion