Fileless Storage (T1027.011)

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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)
Nitzan Yaakov. (2024, June 4). Muhstik Malware Targets Message Queuing Services Applications. Retrieved September 24, 2024. Aquasec Muhstik Malware 2024
Elastic. (n.d.). Binary Executed from Shared Memory Directory. Retrieved September 24, 2024. Elastic Binary Executed from Shared Memory Directory
Legezo, D. (2022, May 4). A new secret stash for “fileless” malware. Retrieved March 23, 2023. SecureList Fileless
Microsoft. (2023, February 6). Fileless threats. Retrieved March 23, 2023. Microsoft Fileless
Nicholas Lang. (2022, May 3). Fileless malware mitigation. Retrieved September 24, 2024. Sysdig Fileless Malware 23022
Ori David. (2024, February 1). Frog4Shell — FritzFrog Botnet Adds One-Days to Its Arsenal. Retrieved September 24, 2024. Akami Frog4Shell 2024