Mimikatz (Silver Ticket)

- Table of Contents

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- Tool Overview

Category
Capturing Administrator Rights/Account
Description
Forges Kerberos authentication tickets and connects to a remote host.
Example of Presumed Tool Use During an Attack
This tool is used to connect to a remote host by using the forged authentication ticket.

- Tool Operation Overview

Item Source Host Destination Host
OS Windows Windows Server
Belonging to Domain Required
Rights Administrator Standard user
Service Workstation Active Directory Domain Service

- Information Acquired from Log

Standard Settings
  • Source host
    • Execution history (Prefetch)
Additional Settings
  • Source host
    • Execution history (audit policy, Sysmon)
  • Destination Host
    • Logon by an account with a malicious domain (audit policy) *It is recorded when there is an error in the specification at tool execution.

- Evidence That Can Be Confirmed When Execution is Successful

- Main Information Recorded at Execution

- Source Host

Event log

# Log Event ID Task Category Event Details
1 Microsoft-Windows-Sysmon/Operational 1 Process Create (rule: ProcessCreate) Process Create.
  • CommandLine: Command line of the execution command (path to the tool)
  • UtcTime: Process execution date and time (UTC)
  • ProcessGuid/ProcessId: Process ID
  • Image: Path to the executable file (path to the tool)
  • User: Execute as user
2 Security 4689 Process Termination A process has exited.
  • Log Date and Time: Process terminated date and time (local time)
  • Process Information > Exit Status: Process return value (0x0)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Process Information > Process Name: Path to the executable file (path to the tool)
3 Security 4673 Sensitive Privilege Use A privileged service was called.
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Service Request Information > Privilege: Privileges used (SeTcbPrivilege)
  • Process > Process Name: Process that used the privilege (path to the tool)
4 Microsoft-Windows-Sysmon/Operational 3 Network connection detected (rule: NetworkConnect) Network connection detected.
  • Protocol: Protocol (tcp)
  • Image: Path to the executable file (System)
  • ProcessGuid/ProcessId: Process ID
  • User: Execute as user (NT AUTHORITY\SYSTEM)
  • SourceIp/SourceHostname/SourcePort: Source IP address/Host name/Port number (source host)
  • DestinationIp/DestinationHostname/DestinationPort: Destination IP address/Host name/Port number (source port: 445)

Prefetch

- Destination Host

Event log

# Log Event ID Task Category Event Details
1 Microsoft-Windows-Sysmon/Operational 3 Network connection detected (rule: NetworkConnect) Network connection detected.
  • Protocol: Protocol (tcp)
  • Image: Path to the executable file (System)
  • ProcessGuid/ProcessId: Process ID (4)
  • User: Execute as user (NT AUTHORITY\SYSTEM)
  • SourceIp/SourceHostname/SourcePort: Source IP address/Host name/Port number (source port: 445)
  • DestinationIp/DestinationHostname/DestinationPort: Destination IP address/Host name/Port number (source host)
2 Security 4624 Logon An account was successfully logged on.
  • Process Information > Process ID: Process ID (hexadecimal)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • New Logon > Logon ID/Logon GUID: Session ID of the user who was logged on
  • Detailed Authentication Information > Logon Process: Process used for logon (Kerberos)
  • New Logon > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who was logged on
  • Logon Type: Logon path, method, etc. (3=Network)
  • Network Information > Workstation Name: Name of the host that requested the logon (source host name)
  • Process Information > Process Name: Path to the executable file
  • Network Information > Source Network Address: IP address that requested the logon (source host IP address)
  • Subject > Logon ID: Session ID of the user who executed the authentication
3 Security 4672 Special Logon Special privileges assigned to new logon.
  • Privileges: Assigned privileges (SeSecurityPrivilege, SeBackupPrivilege, SeTakeOwnershipPrivilege, SeDebugPrivilege, SeSystemEnvironmentPrivilege, SeLoadDriverPrivilege, SeEnableDelegationPrivilege)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
4 Security 4634 Logoff An account was logged off.
  • Logon Type: Logon path, method, etc. (3=Network)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool

- Details: Source Host

- Event Log

# Event Log Event ID Task Category Event Details
1 Microsoft-Windows-Sysmon/Operational 1 Process Create (rule: ProcessCreate) Process Create.
  • LogonGuid/LogonId: ID of the logon session
  • ParentProcessGuid/ParentProcessId: Process ID of the parent process
  • ParentImage: Executable file of the parent process
  • CurrentDirectory: Work directory
  • CommandLine: Command line of the execution command (path to the tool)
  • IntegrityLevel: Privilege level (Medium)
  • ParentCommandLine: Command line of the parent process
  • UtcTime: Process execution date and time (UTC)
  • ProcessGuid/ProcessId: Process ID
  • User: Execute as user
  • Hashes: Hash value of the executable file
  • Image: Path to the executable file (path to the tool)
Security 4688 Process Create A new process has been created.
  • Process Information > Required Label: Necessity of privilege escalation
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Process Information > Source Process Name: Path to parent process that created the new process
  • Log Date and Time: Process execution date and time (local time)
  • Process Information > New Process Name: Path to the executable file (path to the tool)
  • Process Information > Token Escalation Type: Presence of privilege escalation (1)
  • Process Information > New Process ID: Process ID (hexadecimal)
  • Process Information > Source Process ID: Process ID of the parent process that created the new process. "Creator Process ID" in Windows 7
  • Subject > Logon ID: Session ID of the user who executed the process
2 Security 4673 Sensitive Privilege Use A privileged service was called.
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Process > Process ID: ID of the process that used the privilege
  • Subject > Logon ID: Session ID of the user who executed the process
  • Service Request Information > Privilege: Privileges used (SeTcbPrivilege)
  • Process > Process Name: Process that used the privilege (path to the tool)
Security 4673 Sensitive Privilege Use A privileged service was called.
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Process > Process ID: ID of the process that used the privilege
  • Subject > Logon ID: Session ID of the user who executed the process
  • Service Request Information > Privilege: Privileges used (SeTcbPrivilege)
  • Process > Process Name: Process that used the privilege (path to the tool)
3 Microsoft-Windows-Sysmon/Operational 11 File created (rule: FileCreate) File created.
  • Image: Path to the executable file (C:\Windows\System32\svchost.exe)
  • ProcessGuid/ProcessId: Process ID
  • TargetFilename: Created file (C:\Windows\Prefetch\[Executable File Name of Tool]-[RANDOM].pf)
  • CreationUtcTime: File creation date and time (UTC)
Security 4656 File System/Other Object Access Events A handle to an object was requested. (A handle to an object was requested.)
  • Process Information > Process ID: Process ID (hexadecimal)
  • Access Request Information > Access/Reason for Access/Access Mask: Requested privileges (including WriteData or AddFile, and AppendData)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Object > Object Name: Target file name (C:\Windows\Prefetch\[Executable File Name of Tool]-[RANDOM].pf)
  • Process Information > Process Name: Name of the process that closed the handle (C:\Windows\System32\svchost.exe)
  • Object > Object Type: Type of the file (File)
  • Subject > Logon ID: Session ID of the user who executed the process
  • Object > Handle ID: ID of the relevant handle
Security 4663 File System An attempt was made to access an object.
  • Process Information > Process ID: Process ID (hexadecimal) (4)
  • Access Request Information > Access/Reason for Access/Access Mask: Requested privileges (WriteData or AddFile, AppendData)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Object > Object Name: Target file name (C:\Windows\Prefetch\[Executable File Name of Tool]-[RANDOM].pf)
  • Audit Success: Success or failure (access successful)
  • Process Information > Process Name: Name of the process that closed the handle (C:\Windows\System32\svchost.exe)
  • Object > Object Type: Category of the target (File)
  • Subject > Logon ID: Session ID of the user who executed the process
  • Object > Handle ID: ID of the relevant handle (handle obtained with Event ID 4656)
Security 4658 File System The handle to an object was closed.
  • Process Information > Process ID: Process ID (hexadecimal)
  • Process Information > Process Name: Name of the process that requested the object (C:\Windows\System32\svchost.exe)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Subject > Logon ID: Session ID of the user who executed the process
  • Object > Handle ID: ID of the relevant handle (handle obtained with Event ID 4656)
4 Microsoft-Windows-Sysmon/Operational 5 Process terminated (rule: ProcessTerminate) Process terminated.
  • UtcTime: Process terminated date and time (UTC)
  • ProcessGuid/ProcessId: Process ID
  • Image: Path to the executable file (path to the tool)
Security 4689 Process Termination A process has exited.
  • Process Information > Process ID: Process ID (hexadecimal)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Process Information > Exit Status: Process return value (0x0)
  • Log Date and Time: Process terminated date and time (local time)
  • Process Information > Process Name: Path to the executable file (path to the tool)
  • Subject > Logon ID: Session ID of the user who executed the process
5 Microsoft-Windows-Sysmon/Operational 3 Network connection detected (rule: NetworkConnect) Network connection detected.
  • Protocol: Protocol (tcp)
  • DestinationIp: Destination IP address (destination host IP address)
  • Image: Path to the executable file (System)
  • DestinationHostname: Destination host name (destination host name)
  • ProcessGuid/ProcessId: Process ID
  • User: Execute as user (NT AUTHORITY\SYSTEM)
  • DestinationPort: Destination port number (445)
  • SourcePort: Source port number (high port)
  • SourceHostname: Source host name (source host)
  • SourceIp: Source IP address (source host IP address)
Security 5158 Filtering Platform Connection The Windows Filtering Platform has permitted a bind to a local port.
  • Network Information > Protocol: Protocol used (6=TCP)
  • Network Information > Source Port: Bind local port (high port)
  • Application Information > Process ID: Process ID (4)
  • Application Information > Application Name: Execution process (System)
Security 5156 Filtering Platform Connection The Windows Filtering Platform has allowed a connection.
  • Network Information > Destination Port: Destination port number (445)
  • Network Information > Source Port: Source port number (high port)
  • Network Information > Destination Address: Destination IP address (destination host IP address)
  • Network Information > Protocol: Protocol used (6=TCP)
  • Application Information > Application Name: Execution process (System)
  • Network Information > Direction: Communication direction (outbound)
  • Network Information > Source Address: Source IP address (source host IP address)
  • Application Information > Process ID: Process ID

- USN Journal

# File Name Process Attribute
1 [Executable File Name of Tool]-[RANDOM].pf FILE_CREATE archive+not_indexed
[Executable File Name of Tool]-[RANDOM].pf DATA_EXTEND+FILE_CREATE archive+not_indexed
[Executable File Name of Tool]-[RANDOM].pf CLOSE+DATA_EXTEND+FILE_CREATE archive+not_indexed

- MFT

# Path Header Flag Validity
1 [Drive Name]:\Windows\Prefetch\[Executable File Name of Tool]-[RANDOM].pf FILE ALLOCATED

- Prefetch

# Prefetch File Process Name Process Path Information That Can Be Confirmed
1 C:\Windows\Prefetch\[Executable File Name of Tool]-[RANDOM].pf [Executable File Name of Tool] [Path to Tool] Last Run Time (last execution date and time)

- Details: Destination Host

- Event Log

# Event Log Event ID Task Category Event Details
1 Microsoft-Windows-Sysmon/Operational 3 Network connection detected (rule: NetworkConnect) Network connection detected.
  • Protocol: Protocol (tcp)
  • DestinationIp: Destination IP address (source host IP address)
  • Image: Path to the executable file (System)
  • DestinationHostname: Destination host name (source host)
  • ProcessGuid/ProcessId: Process ID (4)
  • User: Execute as user (NT AUTHORITY\SYSTEM)
  • DestinationPort: Destination port number (high port)
  • SourcePort: Source port number (445)
  • SourceHostname: Source host name (destination host name)
  • SourceIp: Source IP address (destination host IP address)
Security 5156 Filtering Platform Connection The Windows Filtering Platform has allowed a connection.
  • Network Information > Destination Port: Destination port number (high port)
  • Network Information > Source Port: Source port number (445)
  • Network Information > Destination Address: Destination IP address (source host IP address)
  • Network Information > Protocol: Protocol used (6=TCP)
  • Application Information > Application Name: Execution process (System)
  • Network Information > Direction: Communication direction (inbound)
  • Network Information > Source Address: Source IP address (destination host IP address)
  • Application Information > Process ID: Process ID (4)
2 Security 4624 Logon An account was successfully logged on.
  • Process Information > Process ID: Process ID (hexadecimal)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • New Logon > Logon ID/Logon GUID: Session ID of the user who was logged on
  • Detailed Authentication Information > Logon Process: Process used for logon (Kerberos)
  • Network Information > Source Port: Source port number (high port)
  • New Logon > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who was logged on
  • Logon Type: Logon path, method, etc. (3=Network)
  • Network Information > Workstation Name: Name of the host that requested the logon (source host name)
  • Detailed Authentication Information > Key Length: Length of the key used for the authentication (0)
  • Process Information > Process Name: Path to the executable file
  • Detailed Authentication Information > Authentication Package: Authentication package used (Kerberos)
  • Network Information > Source Network Address: IP address that requested the logon (source host IP address)
  • Subject > Logon ID: Session ID of the user who executed the authentication
3 Security 4672 Special Logon Privileges assigned to a new logon.
  • Privileges: Assigned privileges (SeSecurityPrivilege, SeBackupPrivilege, SeTakeOwnershipPrivilege, SeDebugPrivilege, SeSystemEnvironmentPrivilege, SeLoadDriverPrivilege, SeEnableDelegationPrivilege)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Subject > Logon ID: Session ID of the user who executed the process
Security 4624 Logon An account was successfully logged on.
  • Process Information > Process ID: Process ID (hexadecimal)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • New Logon > Logon ID/Logon GUID: Session ID of the user who was logged on
  • Detailed Authentication Information > Logon Process: Process used for logon (Kerberos)
  • Network Information > Source Port: Source port number (high port)
  • New Logon > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who was logged on
  • Logon Type: Logon path, method, etc. (3=Network)
  • Network Information > Workstation Name: Name of the host that requested the logon (source host name)
  • Detailed Authentication Information > Key Length: Length of the key used for the authentication (0)
  • Process Information > Process Name: Path to the executable file
  • Detailed Authentication Information > Authentication Package: Authentication package used (Kerberos)
  • Network Information > Source Network Address: IP address that requested the logon (source host IP address)
  • Subject > Logon ID: Session ID of the user who executed the authentication
4 Security 5140 File Sharing A network share object was accessed.
  • Network Information > Source Port: Source port number (high port)
  • Shared Information > Share Path: Shared path
  • Access Request Information > Access: Requested privileges (ReadData or ListDirectory)
  • Shared Information > Share Name: Share name used (\\*\IPC$)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Network Information > Source Address: Source IP address (source host)
  • Subject > Logon ID: Session ID of the user who executed the process
Security 5140 File Sharing A network share object was accessed.
  • Network Information > Source Port: Source port number (high port)
  • Shared Information > Share Path: Shared path
  • Access Request Information > Access: Requested privileges (ReadData or ListDirectory)
  • Shared Information > Share Name: Share name used (\\*\IPC$)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Network Information > Source Address: Source IP address (source host)
  • Subject > Logon ID: Session ID of the user who executed the process
Security 5140 File Sharing A network share object was accessed.
  • Network Information > Source Port: Source port number (high port)
  • Shared Information > Share Path: Share path (\??\C:\)
  • Access Request Information > Access: Requested privileges (ReadData or ListDirectory)
  • Shared Information > Share Name: Share name used (\\*\C$)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Network Information > Source Address: Source IP address (source host)
  • Subject > Logon ID: Session ID of the user who executed the process
Security 5145 Detailed File Share A network share object was checked to see whether the client can be granted the desired access.
  • Network Information > Source Port: Source port number (high port)
  • Network Information > Object Type: Type of the created object (File)
  • Shared Information > Share Path: Path to the share (\??\C:\)
  • Access Request Information > Access: Requested privileges (SYNCHRONIZE, ReadAttributes)
  • Shared Information > Share Name: Share name (\\*\C$)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Shared Information > Relative Target Name: Relative target name from the share path (\)
  • Network Information > Source Address: Source IP address (source host)
  • Subject > Logon ID: Session ID of the user who executed the process
Security 5145 Detailed File Share A network share object was checked to see whether the client can be granted the desired access.
  • Network Information > Source Port: Source port number (high port)
  • Network Information > Object Type: Type of the created object (File)
  • Shared Information > Share Path: Path to the share (\??\C:\)
  • Access Request Information > Access: Requested privileges (SYNCHRONIZE, ReadData or ListDirectory, ReadAttributes)
  • Shared Information > Share Name: Share name (\\*\C$)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Shared Information > Relative Target Name: Relative target name from the share path (\)
  • Network Information > Source Address: Source IP address (source host)
  • Subject > Logon ID: Session ID of the user who executed the process
Security 5145 Detailed File Share A network share object was checked to see whether the client can be granted the desired access.
  • Network Information > Source Port: Source port number (high port)
  • Network Information > Object Type: Type of the created object (File)
  • Shared Information > Share Path: Path to the share (\??\C:\)
  • Access Request Information > Access: Requested privileges (SYNCHRONIZE, ReadAttributes)
  • Shared Information > Share Name: Share name (\\*\C$)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Shared Information > Relative Target Name: Relative target name from the share path (\)
  • Network Information > Source Address: Source IP address (source host)
  • Subject > Logon ID: Session ID of the user who executed the process
5 Security 4634 Logoff An account was logged off.
  • Logon Type: Logon path, method, etc. (3=Network)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Subject > Logon ID: Session ID of the user who executed the authentication

- Remarks