Kimsuky has used a PowerShell-based keylogger as well as a tool called MECHANICAL to log keystrokes.(Citation: EST Kimsuky April 2019)(Citation: Securelist Kimsuky Sept 2013)(Citation: CISA AA20-301A Kimsuky)(Citation: Netscout Stolen Pencil Dec 2018)(Citation: Talos Kimsuky Nov 2021)(Citation: KISA Operation Muzabi)|
|mitre-attack|enterprise-attack|Windows|T1218.005|Mshta|

Kimsuky has used mshta.exe to run malicious scripts on the system.(Citation: EST Kimsuky April 2019)(Citation: CISA AA20-301A Kimsuky)(Citation: Crowdstrike GTR2020 Mar 2020)(Citation: KISA Operation Muzabi)|
|mitre-attack|enterprise-attack|Windows|T1546.001|Change Default File Association|

Kimsuky has a HWP document stealer module which changes the default program association in the registry to open HWP documents.(Citation: Securelist Kimsuky Sept 2013)|
|mitre-attack|enterprise-attack|macOS,Windows,Linux|T1566.001|Spearphishing Attachment|

Kimsuky has used emails containing Word, Excel and/or HWP (Hangul Word Processor) documents in their spearphishing campaigns.(Citation: Zdnet Kimsuky Dec 2018)(Citation: Securelist Kimsuky Sept 2013)(Citation: ThreatConnect Kimsuky September 2020)(Citation: VirusBulletin Kimsuky October 2019)(Citation: Cybereason Kimsuky November 2020)(Citation: Malwarebytes Kimsuky June 2021)(Citation: Talos Kimsuky Nov 2021)(Citation: KISA Operation Muzabi)|