Analytics Story: Industroyer2

Date: 2022-04-21 ID: 7ff7db2b-b001-498e-8fe8-caf2dbc3428a Author: Teoderick Contreras, Splunk Product: Splunk Enterprise Security

Description

Leverage searches that allow you to detect and investigate unusual activities that might relate to the Industroyer2 attack, including file writes associated with its payload, lateral movement, persistence, privilege escalation and data destruction.

Why it matters

Industroyer2 is part of continuous attack to ukraine targeting energy facilities. This malware is a windows binary that implement IEC-104 protocol to communicate with industrial equipments. This attack consist of several destructive linux script component to wipe or delete several linux critical files, powershell for domain enumeration and caddywiper to wipe boot sector of the targeted host.

Detections

Name ▲▼	Technique ▲▼	Type ▲▼
Suspicious Process File Path	Create or Modify System Process	TTP
AdsiSearcher Account Discovery	Domain Account	TTP
Dump LSASS via comsvcs DLL	LSASS Memory	TTP
Executable File Written in Administrative SMB Share	SMB/Windows Admin Shares	TTP
Executables Or Script Creation In Suspicious Path	Masquerading	Anomaly
Executables Or Script Creation In Temp Path	Masquerading	Anomaly
Impacket Lateral Movement Commandline Parameters	SMB/Windows Admin Shares, Distributed Component Object Model, Windows Management Instrumentation, Windows Service	TTP
Impacket Lateral Movement smbexec CommandLine Parameters	SMB/Windows Admin Shares, Distributed Component Object Model, Windows Management Instrumentation, Windows Service	TTP
Impacket Lateral Movement WMIExec Commandline Parameters	SMB/Windows Admin Shares, Distributed Component Object Model, Windows Management Instrumentation, Windows Service	TTP
Linux Adding Crontab Using List Parameter	Cron	Hunting
Linux Auditd Dd File Overwrite	Data Destruction	TTP
Linux Auditd Shred Overwrite Command	Data Destruction	TTP
Linux Auditd Stop Services	Service Stop	Hunting
Linux DD File Overwrite	Data Destruction	TTP
Linux Deleting Critical Directory Using RM Command	Data Destruction	TTP
Linux Disable Services	Service Stop	TTP
Linux High Frequency Of File Deletion In Boot Folder	File Deletion, Data Destruction	TTP
Linux Shred Overwrite Command	Data Destruction	TTP
Linux Stdout Redirection To Dev Null File	Disable or Modify System Firewall	Anomaly
Linux Stop Services	Service Stop	TTP
Linux System Network Discovery	System Network Configuration Discovery	Anomaly
Recon Using WMI Class	Gather Victim Host Information, PowerShell	Anomaly
Schtasks Run Task On Demand	Scheduled Task/Job	TTP
Windows Hidden Schedule Task Settings	Scheduled Task/Job	TTP
Windows Linked Policies In ADSI Discovery	Domain Account	Anomaly
Windows Processes Killed By Industroyer2 Malware	Service Stop	Anomaly
Windows Root Domain linked policies Discovery	Domain Account	Anomaly
Windows Sensitive Registry Hive Dump Via CommandLine	Security Account Manager	TTP
Windows Suspicious Process File Path	Create or Modify System Process, Match Legitimate Name or Location	TTP
WinEvent Scheduled Task Created Within Public Path	Scheduled Task	TTP
WinEvent Windows Task Scheduler Event Action Started	Scheduled Task	Hunting

Data Sources

Name ▲▼	Platform ▲▼	Sourcetype ▲▼	Source ▲▼
CrowdStrike ProcessRollup2	N/A	`crowdstrike:events:sensor`	`crowdstrike`
Linux Auditd Proctitle	Linux	`auditd`	`auditd`
Linux Auditd Service Stop	Linux	`auditd`	`auditd`
Powershell Script Block Logging 4104	Windows	`xmlwineventlog`	`XmlWinEventLog:Microsoft-Windows-PowerShell/Operational`
Sysmon EventID 1	Windows	`xmlwineventlog`	`XmlWinEventLog:Microsoft-Windows-Sysmon/Operational`
Sysmon EventID 11	Windows	`xmlwineventlog`	`XmlWinEventLog:Microsoft-Windows-Sysmon/Operational`
Sysmon EventID 5	Windows	`xmlwineventlog`	`XmlWinEventLog:Microsoft-Windows-Sysmon/Operational`
Sysmon for Linux EventID 1	Linux	`sysmon:linux`	`Syslog:Linux-Sysmon/Operational`
Sysmon for Linux EventID 11	Linux	`sysmon:linux`	`Syslog:Linux-Sysmon/Operational`
Windows Event Log Security 4688	Windows	`xmlwineventlog`	`XmlWinEventLog:Security`
Windows Event Log Security 4698	Windows	`xmlwineventlog`	`XmlWinEventLog:Security`
Windows Event Log Security 5145	Windows	`xmlwineventlog`	`XmlWinEventLog:Security`
Windows Event Log TaskScheduler 200	Windows	`wineventlog`	`WinEventLog:Microsoft-Windows-TaskScheduler/Operational`
Windows Event Log TaskScheduler 201	Windows	`xmlwineventlog`	`XmlWinEventLog:Security`

References

Source: GitHub | Version: 1