b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40

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

988 9377chiyue_Y_mgaz.exe
592 CycsAnimator.exe
1560 LoginCycs.exe
1040 GameLogin.new
1368 LoginCycs.exe

pid	process
988	9377chiyue_Y_mgaz.exe
592	CycsAnimator.exe
1560	LoginCycs.exe
1040	GameLogin.new
1368	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\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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	GameLogin.new

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:

b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe9377chiyue_Y_mgaz.exeCycsAnimator.exeLoginCycs.exeGameLogin.newLoginCycs.exe

pid	process
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
988	9377chiyue_Y_mgaz.exe
988	9377chiyue_Y_mgaz.exe
988	9377chiyue_Y_mgaz.exe
988	9377chiyue_Y_mgaz.exe
988	9377chiyue_Y_mgaz.exe
988	9377chiyue_Y_mgaz.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
988	9377chiyue_Y_mgaz.exe
988	9377chiyue_Y_mgaz.exe
988	9377chiyue_Y_mgaz.exe
988	9377chiyue_Y_mgaz.exe
592	CycsAnimator.exe
592	CycsAnimator.exe
1560	LoginCycs.exe
1560	LoginCycs.exe
592	CycsAnimator.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
1560	LoginCycs.exe
1560	LoginCycs.exe
1040	GameLogin.new
1040	GameLogin.new
1368	LoginCycs.exe
1368	LoginCycs.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
1368	LoginCycs.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.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

1040 GameLogin.new
1368 LoginCycs.exe

pid	process
1040	GameLogin.new
1368	LoginCycs.exe

Drops file in Program Files directory 17 IoCs

Processes:

9377chiyue_Y_mgaz.exeLoginCycs.exeGameLogin.newb8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exeLoginCycs.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 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\CycsAnimator.exe	9377chiyue_Y_mgaz.exe
File created	C:\Program Files (x86)\Onlines\uninst.exe	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.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\CycsAnimator.lnk	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 created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\Cycs.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\LoginCycs_V5.0.7z	LoginCycs.exe
File created	C:\Program Files (x86)\9377-³àÔÂ´«Ëµ\GameLogin.new	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)\Onlines\uninst.exe	nsis_installer_1
\Program Files (x86)\Onlines\uninst.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsiFAB6.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsiFAB6.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsiFAB6.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\nsiFAB6.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsiFAB6.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsiFAB6.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsiFAB6.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\nsiFAB6.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsiFAB6.tmp\9377chiyue_Y_mgaz.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\nsiFAB6.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
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	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\LowRegistry	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\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375962080"	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\PageSetup	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\{6FA73B31-6B14-11ED-A584-DA3F1CB7DA19} = "0"	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 = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a000000000200000000001066000000010000200000005c074db3e9a2c34929afb5f6a777dbc5d07e80d68f9a2fc8aa550a73e01128e1000000000e8000000002000020000000a934b3669e1798b75f9a1e69358fe2e4c49bba3797c4427fa2687ac3ecee42ec20000000302e17efd6b4e8eae84b0a20cc6be256a3ef93233f9691b634ab393823ad852f40000000065da84c736355e3c48422b8f4285e6031a3e5a7d658c8c86a3299cbcef811010e3fd4c3a68d8a10004d1c3b799323db457afed7e666646d49f19e0079bd47f3	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90320a4c21ffd801	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\Toolbar	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\TabbedBrowsing\NTPFirstRun = "1"	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\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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\Main\WindowsSearch	LoginCycs.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\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	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\DomainSuggestion\FileNames\	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
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\InternetRegistry	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\LowRegistry\DOMStorage	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\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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 9 IoCs

Processes:

b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exeGameLogin.newLoginCycs.exe

pid	process
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
1040	GameLogin.new
1040	GameLogin.new
1368	LoginCycs.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

AUDIODG.EXEGameLogin.newb8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe

description	pid	process
Token: 33	912	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	912	AUDIODG.EXE
Token: 33	912	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	912	AUDIODG.EXE
Token: SeDebugPrivilege	1040	GameLogin.new
Token: SeRestorePrivilege	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
Token: SeBackupPrivilege	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1544 iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

iexplore.exeIEXPLORE.EXELoginCycs.exeLoginCycs.exe

pid	process
1544	iexplore.exe
1544	iexplore.exe
1340	IEXPLORE.EXE
1340	IEXPLORE.EXE
1560	LoginCycs.exe
1560	LoginCycs.exe
1368	LoginCycs.exe
1368	LoginCycs.exe
1340	IEXPLORE.EXE
1340	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 61 IoCs

Processes:

b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exeiexplore.exe9377chiyue_Y_mgaz.exeCycsAnimator.exeLoginCycs.execmd.exeGameLogin.new

description	pid	process	target process
PID 960 wrote to memory of 1544	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe	iexplore.exe
PID 960 wrote to memory of 1544	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe	iexplore.exe
PID 960 wrote to memory of 1544	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe	iexplore.exe
PID 960 wrote to memory of 1544	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe	iexplore.exe
PID 1544 wrote to memory of 1340	1544	iexplore.exe	IEXPLORE.EXE
PID 1544 wrote to memory of 1340	1544	iexplore.exe	IEXPLORE.EXE
PID 1544 wrote to memory of 1340	1544	iexplore.exe	IEXPLORE.EXE
PID 1544 wrote to memory of 1340	1544	iexplore.exe	IEXPLORE.EXE
PID 1544 wrote to memory of 1340	1544	iexplore.exe	IEXPLORE.EXE
PID 1544 wrote to memory of 1340	1544	iexplore.exe	IEXPLORE.EXE
PID 1544 wrote to memory of 1340	1544	iexplore.exe	IEXPLORE.EXE
PID 960 wrote to memory of 988	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe	9377chiyue_Y_mgaz.exe
PID 960 wrote to memory of 988	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe	9377chiyue_Y_mgaz.exe
PID 960 wrote to memory of 988	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe	9377chiyue_Y_mgaz.exe
PID 960 wrote to memory of 988	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe	9377chiyue_Y_mgaz.exe
PID 960 wrote to memory of 988	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe	9377chiyue_Y_mgaz.exe
PID 960 wrote to memory of 988	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe	9377chiyue_Y_mgaz.exe
PID 960 wrote to memory of 988	960	b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe	9377chiyue_Y_mgaz.exe
PID 988 wrote to memory of 592	988	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 988 wrote to memory of 592	988	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 988 wrote to memory of 592	988	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 988 wrote to memory of 592	988	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 988 wrote to memory of 592	988	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 988 wrote to memory of 592	988	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 988 wrote to memory of 592	988	9377chiyue_Y_mgaz.exe	CycsAnimator.exe
PID 988 wrote to memory of 1560	988	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 988 wrote to memory of 1560	988	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 988 wrote to memory of 1560	988	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 988 wrote to memory of 1560	988	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 988 wrote to memory of 1560	988	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 988 wrote to memory of 1560	988	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 988 wrote to memory of 1560	988	9377chiyue_Y_mgaz.exe	LoginCycs.exe
PID 592 wrote to memory of 1220	592	CycsAnimator.exe	Explorer.EXE
PID 1560 wrote to memory of 1316	1560	LoginCycs.exe	cmd.exe
PID 1560 wrote to memory of 1316	1560	LoginCycs.exe	cmd.exe
PID 1560 wrote to memory of 1316	1560	LoginCycs.exe	cmd.exe
PID 1560 wrote to memory of 1316	1560	LoginCycs.exe	cmd.exe
PID 1560 wrote to memory of 1316	1560	LoginCycs.exe	cmd.exe
PID 1560 wrote to memory of 1316	1560	LoginCycs.exe	cmd.exe
PID 1560 wrote to memory of 1316	1560	LoginCycs.exe	cmd.exe
PID 1316 wrote to memory of 1740	1316	cmd.exe	netsh.exe
PID 1316 wrote to memory of 1740	1316	cmd.exe	netsh.exe
PID 1316 wrote to memory of 1740	1316	cmd.exe	netsh.exe
PID 1316 wrote to memory of 1740	1316	cmd.exe	netsh.exe
PID 1316 wrote to memory of 1740	1316	cmd.exe	netsh.exe
PID 1316 wrote to memory of 1740	1316	cmd.exe	netsh.exe
PID 1316 wrote to memory of 1740	1316	cmd.exe	netsh.exe
PID 1560 wrote to memory of 1040	1560	LoginCycs.exe	GameLogin.new
PID 1560 wrote to memory of 1040	1560	LoginCycs.exe	GameLogin.new
PID 1560 wrote to memory of 1040	1560	LoginCycs.exe	GameLogin.new
PID 1560 wrote to memory of 1040	1560	LoginCycs.exe	GameLogin.new
PID 1560 wrote to memory of 1040	1560	LoginCycs.exe	GameLogin.new
PID 1560 wrote to memory of 1040	1560	LoginCycs.exe	GameLogin.new
PID 1560 wrote to memory of 1040	1560	LoginCycs.exe	GameLogin.new
PID 1040 wrote to memory of 1368	1040	GameLogin.new	LoginCycs.exe
PID 1040 wrote to memory of 1368	1040	GameLogin.new	LoginCycs.exe
PID 1040 wrote to memory of 1368	1040	GameLogin.new	LoginCycs.exe
PID 1040 wrote to memory of 1368	1040	GameLogin.new	LoginCycs.exe
PID 1040 wrote to memory of 1368	1040	GameLogin.new	LoginCycs.exe
PID 1040 wrote to memory of 1368	1040	GameLogin.new	LoginCycs.exe
PID 1040 wrote to memory of 1368	1040	GameLogin.new	LoginCycs.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220

C:\Users\Admin\AppData\Local\Temp\b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe
"C:\Users\Admin\AppData\Local\Temp\b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe"
2⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:960

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://k.deyiweixiu.cn/b8f3e6b1bf5f6aea4562166535a894da4ea83e0a48561c9c2105475090cc4d40.exe/40.jpg
3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1544

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1544 CREDAT:275457 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1340

C:\Users\Admin\AppData\Local\Temp\nsiFAB6.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:988

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:592

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:1560

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ""netsh" interface tcp set global autotuninglevel=disabled"
5⤵
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\netsh.exe
"netsh" interface tcp set global autotuninglevel=disabled
6⤵
PID:1740

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:1040

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:1368

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x57c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:912

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