Unsigned and unpopular process performed an injection

Synopsis

Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires: XDR Agent
Detection Modules
ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Process Injection (T1055)
Severity	Low

Description

An unsigned process with low popularity injected code to another process.

Attacker's Goals

Attackers may inject code into processes to evade process-based defenses, as well as possibly elevate privileges.

Investigative actions

Check whether the injecting process is benign, and if this was a desired behavior as part of its normal execution flow.

Variations

Unsigned and unpopular process performed process hollowing injection

Synopsis

ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Process Injection (T1055)
Severity	High

Description

An unsigned process with low popularity injected code to another process.

Attacker's Goals

Attackers may inject code into processes to evade process-based defenses, as well as possibly elevate privileges.

Investigative actions

Check whether the injecting process is benign, and if this was a desired behavior as part of its normal execution flow.

Unsigned and unpopular process performed queue APC injection

Synopsis

ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Process Injection (T1055)
Severity	High

Description

An unsigned process with low popularity injected code to another process.

Attacker's Goals

Attackers may inject code into processes to evade process-based defenses, as well as possibly elevate privileges.

Investigative actions

Check whether the injecting process is benign, and if this was a desired behavior as part of its normal execution flow.

Unsigned and unpopular process performed injection into a sensitive process

Synopsis

ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Process Injection (T1055)
Severity	High

Description

An unsigned process with low popularity injected code to another process.

Attacker's Goals

Attackers may inject code into processes to evade process-based defenses, as well as possibly elevate privileges.

Investigative actions

Check whether the injecting process is benign, and if this was a desired behavior as part of its normal execution flow.

Unsigned and unpopular process performed injection into svchost.exe

Synopsis

ATT&CK Tactic

ATT&CK Technique

Process Injection (T1055)

Severity

High

Description

An unsigned process with low popularity injected code to another process. This process attempted to obtain System user permissions.

Attacker's Goals

Attackers may inject code into processes to evade process-based defenses, as well as possibly elevate privileges.

Investigative actions

Check whether the injecting process is benign, and if this was a desired behavior as part of its normal execution flow.

Unsigned and unpopular process performed injection into a commonly abused process

Synopsis

ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Process Injection (T1055)
Severity	High

Description

An unsigned process with low popularity injected code to another process.

Attacker's Goals

Attackers may inject code into processes to evade process-based defenses, as well as possibly elevate privileges.

Investigative actions

Check whether the injecting process is benign, and if this was a desired behavior as part of its normal execution flow.

Unsigned and unpopular process performed injection into a process signed by a security vendor

Synopsis

ATT&CK Tactic	Defense Evasion (TA0005)
ATT&CK Technique	Process Injection (T1055)
Severity	Medium

Description

An unsigned process with low popularity injected code to another process.

Attacker's Goals

Attackers may inject code into processes to evade process-based defenses, as well as possibly elevate privileges.

Investigative actions

Check whether the injecting process is benign, and if this was a desired behavior as part of its normal execution flow.