Malware: PS1

Description

[PS1](https://attack.mitre.org/software/S0613) is a loader that was used to deploy 64-bit backdoors in the [CostaRicto](https://attack.mitre.org/groups/G0132) campaign.(Citation: BlackBerry CostaRicto November 2020)

External References

• mitre-attack
• BlackBerry CostaRicto November 2020

Techniques Used by This Malware

• T1027.013 — Encrypted/Encoded File
• T1055.001 — Dynamic-link Library Injection
• T1059.001 — PowerShell
• T1105 — Ingress Tool Transfer
• T1140 — Deobfuscate/Decode Files or Information