a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4

Processes:

a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\ProgramData\\Mozilla\\updates\\308046B0AF4A39CB\\taskhostw.exe\""	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\ProgramData\\Mozilla\\updates\\308046B0AF4A39CB\\taskhostw.exe\", \"C:\\Windows\\ShellExperiences\\dllhost.exe\""	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe

Process spawned unexpected child process 8 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

description	pid	pid_target	process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4420	684	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4804	684	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4952	684	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1760	684	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4268	684	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3964	684	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1384	684	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2012	684	schtasks.exe

UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112
Executes dropped EXE 1 IoCs

Processes:

taskhostw.exe

pid process

3500 taskhostw.exe

pid	process
3500	taskhostw.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

Processes:

taskhostw.exea1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	taskhostw.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

Processes:

msedge.exea1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\ProgramData\\Mozilla\\updates\\308046B0AF4A39CB\\taskhostw.exe\""	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Windows\\ShellExperiences\\dllhost.exe\""	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

Processes:

a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exetaskhostw.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	taskhostw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	taskhostw.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

41 ipinfo.io
40 ipinfo.io

flow	ioc
41	ipinfo.io
40	ipinfo.io

Drops file in Program Files directory 2 IoCs

Processes:

setup.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\672b8129-ec62-44c0-9b64-4f082358c227.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20220322125851.pma	setup.exe

Drops file in Windows directory 5 IoCs

Processes:

a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe

description	ioc	process
File created	C:\Windows\ShellExperiences\dllhost.exe	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
File created	C:\Windows\ShellExperiences\5940a34987c991	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
File opened for modification	C:\Windows\ShellExperiences\RCX6989.tmp	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
File opened for modification	C:\Windows\ShellExperiences\RCX6A17.tmp	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
File opened for modification	C:\Windows\ShellExperiences\dllhost.exe	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 8 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid process

4952 schtasks.exe
1760 schtasks.exe
4268 schtasks.exe
3964 schtasks.exe
1384 schtasks.exe
2012 schtasks.exe
4420 schtasks.exe
4804 schtasks.exe

pid	process
4952	schtasks.exe
1760	schtasks.exe
4268	schtasks.exe
3964	schtasks.exe
1384	schtasks.exe
2012	schtasks.exe
4420	schtasks.exe
4804	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

Processes:

msedge.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Modifies registry class 3 IoCs

Processes:

a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exetaskhostw.exemsedge.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings	taskhostw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exepowershell.exetaskhostw.exe

pid	process
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
4820	powershell.exe
4820	powershell.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe
3500	taskhostw.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

taskhostw.exe

pid process

3500 taskhostw.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs

Processes:

msedge.exe

pid process

3616 msedge.exe
3616 msedge.exe
3616 msedge.exe
3616 msedge.exe
3616 msedge.exe
3616 msedge.exe
3616 msedge.exe
3616 msedge.exe
3616 msedge.exe

pid	process
3500	taskhostw.exe

pid	process
3616	msedge.exe
3616	msedge.exe
3616	msedge.exe
3616	msedge.exe
3616	msedge.exe
3616	msedge.exe
3616	msedge.exe
3616	msedge.exe
3616	msedge.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

Processes:

a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exepowershell.exetaskhostw.exevssvc.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
Token: SeDebugPrivilege	4820	powershell.exe
Token: SeDebugPrivilege	3500	taskhostw.exe
Token: SeBackupPrivilege	3692	vssvc.exe
Token: SeRestorePrivilege	3692	vssvc.exe
Token: SeAuditPrivilege	3692	vssvc.exe
Token: SeTcbPrivilege	4668	svchost.exe
Token: SeTcbPrivilege	4668	svchost.exe
Token: SeTcbPrivilege	4668	svchost.exe
Token: SeTcbPrivilege	4668	svchost.exe
Token: SeTcbPrivilege	4668	svchost.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

msedge.exe

pid process

3616 msedge.exe
3616 msedge.exe
3616 msedge.exe

pid	process
3616	msedge.exe
3616	msedge.exe
3616	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exetaskhostw.exemsedge.exe

description	pid	process	target process
PID 1388 wrote to memory of 4820	1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe	powershell.exe
PID 1388 wrote to memory of 4820	1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe	powershell.exe
PID 1388 wrote to memory of 3500	1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe	taskhostw.exe
PID 1388 wrote to memory of 3500	1388	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe	taskhostw.exe
PID 3500 wrote to memory of 3396	3500	taskhostw.exe	WScript.exe
PID 3500 wrote to memory of 3396	3500	taskhostw.exe	WScript.exe
PID 3500 wrote to memory of 3096	3500	taskhostw.exe	WScript.exe
PID 3500 wrote to memory of 3096	3500	taskhostw.exe	WScript.exe
PID 3500 wrote to memory of 3616	3500	taskhostw.exe	msedge.exe
PID 3500 wrote to memory of 3616	3500	taskhostw.exe	msedge.exe
PID 3616 wrote to memory of 5100	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 5100	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 3336	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 4780	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 4780	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 2624	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 2624	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 2624	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 2624	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 2624	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 2624	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 2624	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 2624	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 2624	3616	msedge.exe	msedge.exe
PID 3616 wrote to memory of 2624	3616	msedge.exe	msedge.exe

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

Processes:

a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exetaskhostw.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	taskhostw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	taskhostw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	taskhostw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe

C:\Users\Admin\AppData\Local\Temp\a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe
"C:\Users\Admin\AppData\Local\Temp\a1c3e1f6e6b81321e3cf866d05f5b19987203bcd576e9e3e2398641490f0bfb4.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1388

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -Command Add-MpPreference -ExclusionPath 'C:\'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4820

C:\ProgramData\Mozilla\updates\308046B0AF4A39CB\taskhostw.exe
"C:\ProgramData\Mozilla\updates\308046B0AF4A39CB\taskhostw.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Checks whether UAC is enabled
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3500

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\5c6b56dd-a821-4b3c-80f3-81b03e3b6500.vbs"
3⤵
PID:3396

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\66e57812-7e61-4923-94fa-07f7dc0b5063.vbs"
3⤵
PID:3096

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://localhost:13131/
3⤵
- Adds Run key to start application
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3616

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x104,0x108,0x10c,0xe0,0x110,0x7ffe83a646f8,0x7ffe83a64708,0x7ffe83a64718
4⤵
PID:5100

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
4⤵
PID:3336

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2276 /prefetch:3
4⤵
PID:4780

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2936 /prefetch:8
4⤵
PID:2624

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3824 /prefetch:1
4⤵
PID:1916

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3724 /prefetch:1
4⤵
PID:1324

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5252 /prefetch:8
4⤵
PID:4544

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5456 /prefetch:1
4⤵
PID:3784

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5464 /prefetch:1
4⤵
PID:3624

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3896 /prefetch:8
4⤵
PID:1776

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
4⤵
- Drops file in Program Files directory
PID:3780

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff7ac955460,0x7ff7ac955470,0x7ff7ac955480
5⤵
PID:2936

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3896 /prefetch:8
4⤵
PID:1084

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3904 /prefetch:1
4⤵
PID:2300

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4140 /prefetch:1
4⤵
PID:1876

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6024 /prefetch:1
4⤵
PID:5164

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6068 /prefetch:1
4⤵
PID:5304

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6040 /prefetch:8
4⤵
PID:5456

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4436 /prefetch:8
4⤵
PID:5532

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3492 /prefetch:8
4⤵
PID:5660

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2840 /prefetch:8
4⤵
PID:5716

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=19 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2836 /prefetch:1
4⤵
PID:5764

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,4199096172109590218,17418991841028549474,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=6288 /prefetch:2
4⤵
PID:5836

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "oTaWtaskhostw" /sc MINUTE /mo 6 /tr "'C:\ProgramData\Mozilla\updates\308046B0AF4A39CB\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4420

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "oSo4taskhostw" /sc ONLOGON /tr "'C:\ProgramData\Mozilla\updates\308046B0AF4A39CB\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4804

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "7Jlztaskhostw" /sc ONSTART /tr "'C:\ProgramData\Mozilla\updates\308046B0AF4A39CB\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4952

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc MINUTE /mo 8 /tr "'C:\ProgramData\Mozilla\updates\308046B0AF4A39CB\taskhostw.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1760

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "ukHWdllhost" /sc MINUTE /mo 9 /tr "'C:\Windows\ShellExperiences\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4268

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "3N7Ddllhost" /sc ONLOGON /tr "'C:\Windows\ShellExperiences\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3964

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "g0uAdllhost" /sc ONSTART /tr "'C:\Windows\ShellExperiences\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1384

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc MINUTE /mo 14 /tr "'C:\Windows\ShellExperiences\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2012

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3692

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:5068

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4660

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4668

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Winlogon Helper DLL

T1004

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Bypass User Account Control

T1088

Scheduled Task

T1053

Defense Evasion

Modify Registry

4

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

4