Cервис управления информационной безопасностью
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MITRE ATT&CK - Инструмент BBSRAT
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BBSRAT
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BBSRAT

BBSRAT is malware with remote access tool functionality that has been used in targeted compromises. (Citation: Palo Alto Networks BBSRAT)
ID: S0127
Type: MALWARE
Platforms: Windows
Version: 1.2
Created: 31 May 2017
Last Modified: 30 Mar 2020

Techniques Used
Domain ID Name Use
Enterprise T1071 .001 Application Layer Protocol: Web Protocols

BBSRAT uses GET and POST requests over HTTP or HTTPS for command and control to obtain commands and send ZLIB compressed data back to the C2 server.(Citation: Palo Alto Networks BBSRAT)
Enterprise T1560 .002 Archive Collected Data: Archive via Library

BBSRAT can compress data with ZLIB prior to sending it back to the C2 server.(Citation: Palo Alto Networks BBSRAT)
Enterprise T1547 .001 Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder

BBSRAT has been loaded through DLL side-loading of a legitimate Citrix executable that is set to persist through the Registry Run key location HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ssonsvr.exe.
Enterprise T1543 .003 Create or Modify System Process: Windows Service

BBSRAT can modify service configurations.(Citation: Palo Alto Networks BBSRAT)
Enterprise T1573 .001 Encrypted Channel: Symmetric Cryptography

BBSRAT uses a custom encryption algorithm on data sent back to the C2 server over HTTP.(Citation: Palo Alto Networks BBSRAT)
Enterprise T1546 .015 Event Triggered Execution: Component Object Model Hijacking

BBSRAT has been seen persisting via COM hijacking through replacement of the COM object for MruPidlList {42aedc87-2188-41fd-b9a3-0c966feabec1} or Microsoft WBEM New Event Subsystem {F3130CDB-AA52-4C3A-AB32-85FFC23AF9C1} depending on the system's CPU architecture.(Citation: Palo Alto Networks BBSRAT)
Enterprise T1574 .002 Hijack Execution Flow: DLL Side-Loading

DLL side-loading has been used to execute BBSRAT through a legitimate Citrix executable, ssonsvr.exe. The Citrix executable was dropped along with BBSRAT by the dropper.(Citation: Palo Alto Networks BBSRAT)
Enterprise T1070 .004 Indicator Removal: File Deletion

BBSRAT can delete files and directories.(Citation: Palo Alto Networks BBSRAT)
Enterprise T1055 .012 Process Injection: Process Hollowing

BBSRAT has been seen loaded into msiexec.exe through process hollowing to hide its execution.(Citation: Palo Alto Networks BBSRAT)
Enterprise T1569 .002 System Services: Service Execution

BBSRAT can start, stop, or delete services.(Citation: Palo Alto Networks BBSRAT)

References

  1. Lee, B. Grunzweig, J. (2015, December 22). BBSRAT Attacks Targeting Russian Organizations Linked to Roaming Tiger. Retrieved August 19, 2016.
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