Double File Extension (T1036.007)

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In Playbook

Associated Tactics

  • Defense Evasion

Defense Evasion (TA0005)

The adversary is trying to avoid being detected. Defense Evasion consists of techniques that adversaries use to avoid detection throughout their compromise. Techniques used for defense evasion include uninstalling/disabling security software or obfuscating/encrypting data and scripts. Adversaries also leverage and abuse trusted processes to hide and masquerade their malware. Other tactics’ techniques are cross-listed here when those techniques include the added benefit of subverting defenses.

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Procedure Examples

Description Source(s)
PCMag. (n.d.). Encyclopedia: double extension. Retrieved August 4, 2021. PCMag DoubleExtension
Eugene Tkachenko. (2020, May 1). Rule of the Week: Possible Malicious File Double Extension. Retrieved July 27, 2021. SOCPrime DoubleExtension
Seqrite. (n.d.). How to avoid dual attack and vulnerable files with double extension?. Retrieved July 27, 2021. Seqrite DoubleExtension