Execution of an uncommon process with a local/domain user SID at an early startup stage

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-10-08
Category
Analytics Alert Reference
Order
Alert name

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

Detector Tags

Generic Persistence Analytics

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Boot or Logon Autostart Execution (T1547)

Severity

Informational

Description

Execution of an uncommon process with a local/domain user SID at an early startup stage may be an indication of a persistent mechanism on boot that is being actively abused.

Attacker's Goals

  • Attackers aim to get persistence to continue operating even after a reboot.

Investigative actions

  • Check if the CGO (causality group owner) is familiar and if one of it configuration/parameters/registry keys has been modified.

Variations

Execution of an uncommon process with a local/domain user SID at an early startup stage with suspicious characteristics

Synopsis

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Boot or Logon Autostart Execution (T1547)

Severity

Medium

Description

Execution of an uncommon process with a local/domain user SID at an early startup stage may be an indication of a persistent mechanism on boot that is being actively abused.

Attacker's Goals

  • Attackers aim to get persistence to continue operating even after a reboot.

Investigative actions

  • Check if the CGO (causality group owner) is familiar and if one of it configuration/parameters/registry keys has been modified.


Execution of an uncommon process with a local/domain user SID at an early startup stage with uncommon characteristics

Synopsis

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Boot or Logon Autostart Execution (T1547)

Severity

Low

Description

Execution of an uncommon process with a local/domain user SID at an early startup stage may be an indication of a persistent mechanism on boot that is being actively abused.

Attacker's Goals

  • Attackers aim to get persistence to continue operating even after a reboot.

Investigative actions

  • Check if the CGO (causality group owner) is familiar and if one of it configuration/parameters/registry keys has been modified.