Disco

Disco is a custom implant that has been used by MoustachedBouncer since at least 2020 including in campaigns using targeted malicious content injection for initial access and command and control.[1]

ID: S1088
Type: MALWARE
Platforms: Windows
Version: 1.0
Created: 25 September 2023
Last Modified: 04 October 2023

Techniques Used

Domain ID Name Use
Enterprise T1071 .002 Application Layer Protocol: File Transfer Protocols

Disco can use SMB to transfer files.[1]

Enterprise T1659 Content Injection

Disco has achieved initial access and execution through content injection into DNS, HTTP, and SMB replies to targeted hosts that redirect them to download malicious files.[1]

Enterprise T1105 Ingress Tool Transfer

Disco can download files to targeted systems via SMB.[1]

Enterprise T1053 .005 Scheduled Task/Job: Scheduled Task

Disco can create a scheduled task to run every minute for persistence.[1]

Enterprise T1204 .002 User Execution: Malicious File

Disco has been executed through inducing user interaction with malicious .zip and .msi files.[1]

Groups That Use This Software

ID Name References
G1019 MoustachedBouncer

[1]

References