Try in Splunk Security Cloud

Description

This search is to detect a suspicious file creation of sqlite3.dll in %temp% folder. This behavior was seen in IcedID malware where it download sqlite module to parse browser database like for chrome or firefox to stole browser information related to bank, credit card or credentials.

  • Type: TTP
  • Product: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud
  • Datamodel: Endpoint
  • Last Updated: 2021-08-03
  • Author: Teoderick Contreras, Splunk
  • ID: 0f216a38-f45f-11eb-b09c-acde48001122

ATT&CK

ID Technique Tactic
T1005 Data from Local System Collection
`sysmon` EventCode=11 (TargetFilename = "*\\sqlite32.dll" OR TargetFilename = "*\\sqlite64.dll") (TargetFilename = "*\\temp\\*") 
|stats count min(_time) as firstTime max(_time) as lastTime by process_name TargetFilename EventCode ProcessId Image 
| `security_content_ctime(firstTime)` 
| `security_content_ctime(lastTime)` 
| `sqlite_module_in_temp_folder_filter`

Associated Analytic Story

How To Implement

To successfully implement this search, you need to be ingesting logs with the process name, parent process, and command-line executions from your endpoints. If you are using Sysmon, you must have at least version 6.0.4 of the Sysmon TA.

Required field

  • _time
  • process_name
  • TargetFilename
  • EventCode
  • ProcessId
  • Image

Kill Chain Phase

  • Exploitation

Known False Positives

unknown

RBA

Risk Score Impact Confidence Message
9.0 30 30 process $SourceImage$ create a file $TargetImage$ in host $Computer$

Reference

Test Dataset

Replay any dataset to Splunk Enterprise by using our replay.py tool or the UI. Alternatively you can replay a dataset into a Splunk Attack Range

source | version: 1