Child Processes of Spoolsv.exe

Description

This search looks for child processes of spoolsv.exe. This activity is associated with a POC privilege-escalation exploit associated with CVE-2018-8440. Spoolsv.exe is the process associated with the Print Spooler service in Windows and typically runs as SYSTEM.

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Use Case

Advanced Threat Detection

Category

, Adversary Tactics

Alert Volume

Medium

Journey

Stage 3

MITRE ATT&CK Tactics

Privilege Escalation

MITRE ATT&CK Techniques

Exploitation for Privilege Escalation

MITRE Threat Groups

APT28
APT32
APT33
Cobalt Group
FIN6
FIN8
PLATINUM
Threat Group-3390
Whitefly

Kill Chain Phases

Exploitation

Data Sources

Endpoint Detection and Response

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Child Processes of Spoolsv.exe Help

This search looks for child processes of spoolsv.exe, which is associated with the Print Spooler service on Windows. Children of this process typically run under the SYSTEM context. This search should address the POC developed for the Windows local-privilege-escalation exploit announced in September of 2018. The associated vulnerability was assigned CVE-2018-8440. More information is available at https://doublepulsar.com/task-scheduler-alpc-exploit-high-level-analysis-ff08cda6ad4f.