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Carbanak

Carbanak is a threat group that mainly targets banks. It also refers to malware of the same name (Carbanak). It is sometimes referred to as FIN7, but these appear to be two groups using the same Carbanak malware and are therefore tracked separately. [1] [2]

ID: G0008
Associated Groups: Anunak, Carbon Spider
Contributors: Anastasios Pingios
Version: 1.1
Created: 31 May 2017
Last Modified: 28 March 2020

Associated Group Descriptions

Name Description
Anunak

[3]
Carbon Spider

[4]
Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1543 .003 Create or Modify System Process: Windows Service

Carbanak malware installs itself as a service to provide persistence and SYSTEM privileges.[1]
Enterprise T1562 .004 Impair Defenses: Disable or Modify System Firewall

Carbanak may use netsh to add local firewall rule exceptions.[5]
Enterprise T1036 .005 Masquerading: Match Legitimate Name or Location

Carbanak has named malware "svchost.exe," which is the name of the Windows shared service host program.[1]
.004 Masquerading: Masquerade Task or Service

Carbanak has copied legitimate service names to use for malicious services.[1]
Enterprise T1219 Remote Access Software

Carbanak used legitimate programs such as AmmyyAdmin and Team Viewer for remote interactive C2 to target systems.[5]
Enterprise T1218 .011 Signed Binary Proxy Execution: Rundll32

Carbanak installs VNC server software that executes through rundll32.[1]
Enterprise T1078 Valid Accounts

Carbanak actors used legitimate credentials of banking employees to perform operations that sent them millions of dollars.[1]
Enterprise T1102 .002 Web Service: Bidirectional Communication

Carbanak has used a VBScript named "ggldr" that uses Google Apps Script, Sheets, and Forms services for C2.[6]

Software

ID Name References Techniques
S0030 Carbanak [1] Application Layer Protocol: Web Protocols, Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder, Command and Scripting Interpreter: Windows Command Shell, Commonly Used Port, Create Account: Local Account, Data Encoding: Standard Encoding, Data Transfer Size Limits, Email Collection: Local Email Collection, Encrypted Channel: Symmetric Cryptography, Indicator Removal on Host: File Deletion, Input Capture: Keylogging, Obfuscated Files or Information, OS Credential Dumping, Process Discovery, Process Injection: Portable Executable Injection, Query Registry, Remote Access Software, Remote Services: Remote Desktop Protocol, Screen Capture
S0002 Mimikatz [1] Access Token Manipulation: SID-History Injection, Account Manipulation, Boot or Logon Autostart Execution: Security Support Provider, Credentials from Password Stores: Credentials from Web Browsers, Credentials from Password Stores, OS Credential Dumping: LSASS Memory, OS Credential Dumping: DCSync, OS Credential Dumping: Security Account Manager, OS Credential Dumping: LSA Secrets, Rogue Domain Controller, Steal or Forge Kerberos Tickets: Silver Ticket, Steal or Forge Kerberos Tickets: Golden Ticket, Unsecured Credentials: Private Keys, Use Alternate Authentication Material: Pass the Hash, Use Alternate Authentication Material: Pass the Ticket
S0108 netsh [5] Event Triggered Execution: Netsh Helper DLL, Impair Defenses: Disable or Modify System Firewall, Proxy, Software Discovery: Security Software Discovery
S0029 PsExec [1] Lateral Tool Transfer, Remote Services: SMB/Windows Admin Shares, System Services: Service Execution

References

  1. Kaspersky Lab's Global Research and Analysis Team. (2015, February). CARBANAK APT THE GREAT BANK ROBBERY. Retrieved August 23, 2018.
  2. Carr, N., et al. (2017, April 24). FIN7 Evolution and the Phishing LNK. Retrieved April 24, 2017.
  3. Prins, R. (2015, February 16). Anunak (aka Carbanak) Update. Retrieved January 20, 2017.
  1. Johnston, R. (2016, May 16). State of the Criminal Address. Retrieved December 7, 2017.
  2. Group-IB and Fox-IT. (2014, December). Anunak: APT against financial institutions. Retrieved April 20, 2016.
  3. Griffin, N. (2017, January 17). CARBANAK GROUP USES GOOGLE FOR MALWARE COMMAND-AND-CONTROL. Retrieved February 15, 2017.