metasploit | b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe \"C:\\Windows\\Fonts\\wmsncs.exe\""	wmsncs.exe

Modifies firewall policy service 3 TTPs 8 IoCs

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\DisableNotifications = "1"	wmsncs.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	wmsncs.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\EnableFirewall = "0"	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\DoNotAllowExceptions = "0"	wmsncs.exe

Modifies security service 2 TTPs 1 IoCs

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	wmsncs.exe

Windows security bypass 2 TTPs 5 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	wmsncs.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{103L3C30-C3B3-4130-9363-E59E1375PERM}	wmsncs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{103L3C30-C3B3-4130-9363-E59E1375PERM}\StubPath = "C:\\Windows\\Fonts\\wmsncs.exe"	wmsncs.exe

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	Kobalc.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	wmsncs.exe

Modifies Windows Firewall 2 TTPs 5 IoCs

Windows Service

Disable or Modify System Firewall

T1562.004

pid	Process
5072	netsh.exe
4784	netsh.exe
5096	netsh.exe
164	netsh.exe
2224	netsh.exe

Deletes itself 1 IoCs

pid	Process
4128	wmsncs.exe

Executes dropped EXE 1 IoCs

pid	Process
4128	wmsncs.exe

Windows security modification 2 TTPs 5 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	wmsncs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	wmsncs.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

persistence privilege_escalation

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Wmsncs Service = "C:\\Windows\\Fonts\\wmsncs.exe"	wmsncs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NvidMediaCenter = "C:\\Program Files (x86)\\Common Files\\System\\wmsncs.exe"	wmsncs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Spool Driver Service = "C:\\Windows\\system32\\spool\\drivers\\wmsncs.exe"	wmsncs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Wins Service = "C:\\Windows\\system32\\wins\\wmsncs.exe"	wmsncs.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wins\wmsncs.exe	wmsncs.exe
File opened for modification	C:\Windows\SysWOW64\wins\wmsncs.exe	wmsncs.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	wmsncs.exe
File created	C:\Windows\system32\spool\drivers\wmsncs.exe	wmsncs.exe
File opened for modification	C:\Windows\system32\spool\drivers\wmsncs.exe	wmsncs.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\System	wmsncs.exe
File created	C:\Program Files (x86)\Common Files\System\wmsncs.exe	wmsncs.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\wmsncs.exe	wmsncs.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\wmsncs.exe	Kobalc.exe
File opened for modification	C:\Windows\Fonts\wmsncs.exe	Kobalc.exe

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 15 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\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kobalc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmsncs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Modifies data under HKEY_USERS 29 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run\Wmsncs Service = "C:\\Windows\\Fonts\\wmsncs.exe"	wmsncs.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	wmsncs.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	netsh.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Active Setup\Installed Components\{103L3C30-C3B3-4130-9363-E59E1375PERM}	wmsncs.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	wmsncs.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	wmsncs.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Active Setup\Installed Components\{103L3C30-C3B3-4130-9363-E59E1375PERM}\StubPath = "C:\\Windows\\Fonts\\wmsncs.exe"	wmsncs.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run\NvidMediaCenter = "C:\\Program Files (x86)\\Common Files\\System\\wmsncs.exe"	wmsncs.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Active Setup\Installed Components	wmsncs.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\SysWOW64\FirewallControlPanel.dll,-12122 = "Windows Firewall"	netsh.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\MaxConnectionsPerServer = "65534"	wmsncs.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run\Wins Service = "C:\\Windows\\system32\\wins\\wmsncs.exe"	wmsncs.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	wmsncs.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	netsh.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	wmsncs.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\SysWOW64\FirewallControlPanel.dll,-12122 = "Windows Firewall"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\SysWOW64\FirewallControlPanel.dll,-12122 = "Windows Firewall"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	wmsncs.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Active Setup	wmsncs.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	wmsncs.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\MaxConnectionsPer1_0Server = "65534"	wmsncs.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	wmsncs.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\SysWOW64\FirewallControlPanel.dll,-12122 = "Windows Firewall"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run	wmsncs.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run\Spool Driver Service = "C:\\Windows\\system32\\spool\\drivers\\wmsncs.exe"	wmsncs.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\SysWOW64\FirewallControlPanel.dll,-12122 = "Windows Firewall"	netsh.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	3936	Kobalc.exe
Token: SeIncBasePriorityPrivilege	3936	Kobalc.exe
Token: 33	4128	wmsncs.exe
Token: SeIncBasePriorityPrivilege	4128	wmsncs.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4128 wrote to memory of 5072	4128	wmsncs.exe	76
PID 4128 wrote to memory of 5072	4128	wmsncs.exe	76
PID 4128 wrote to memory of 5072	4128	wmsncs.exe	76
PID 4128 wrote to memory of 4784	4128	wmsncs.exe	78
PID 4128 wrote to memory of 4784	4128	wmsncs.exe	78
PID 4128 wrote to memory of 4784	4128	wmsncs.exe	78
PID 4128 wrote to memory of 5096	4128	wmsncs.exe	80
PID 4128 wrote to memory of 5096	4128	wmsncs.exe	80
PID 4128 wrote to memory of 5096	4128	wmsncs.exe	80
PID 4128 wrote to memory of 164	4128	wmsncs.exe	81
PID 4128 wrote to memory of 164	4128	wmsncs.exe	81
PID 4128 wrote to memory of 164	4128	wmsncs.exe	81
PID 4128 wrote to memory of 2224	4128	wmsncs.exe	83
PID 4128 wrote to memory of 2224	4128	wmsncs.exe	83
PID 4128 wrote to memory of 2224	4128	wmsncs.exe	83

C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Net-Worm\Kolabc\Kobalc.exe
"C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Net-Worm\Kolabc\Kobalc.exe"
1⤵
- Looks for VMWare Tools registry key
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3936

C:\Windows\Fonts\wmsncs.exe
"C:\Windows\Fonts\wmsncs.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Boot or Logon Autostart Execution: Active Setup
- Looks for VMWare Tools registry key
- Deletes itself
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4128
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall set portopening TCP 1013 BS
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  PID:5072
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall set portopening TCP 8080 PORT1
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  PID:4784
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall set portopening TCP 8081 PORT2
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  PID:5096
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall add allowedprogram "C:\Windows\Fonts\wmsncs.exe" workstation ENABLE ALL
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  PID:164
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall set allowedprogram "C:\Windows\Fonts\wmsncs.exe" workstation ENABLE ALL
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry