OSX_CARETO.A
MacOS:Appetite-A [Trj] (Avast), OSX/BackDoor.A (AVG), MAC.OSX.Backdoor.Careto.A (Bitdefender), OSX/Appetite.A (Eset), MAC.OSX.Backdoor.Careto.A (FSecure), Backdoor.MacOSX.Mask (Ikarus), Trojan.OSX.Melgato.a (Kaspersky), OSX/Backdoor-BRE (McAfee), Backdoor:MacOS_X/Appetite.A (Microsoft), OSX/Appetite-A (Sophos),
Mac OS X
Threat Type: Backdoor
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This OSX malware was used in the targeted attack campaign named Careto. The attack was noted for encoding its configuration data and encrypting its network traffic.
To get a one-glance comprehensive view of the behavior of this Backdoor, refer to the Threat Diagram shown below.
This Backdoor may be dropped by other malware.
It executes commands from a remote malicious user, effectively compromising the affected system.
TECHNICAL DETAILS
Arrival Details
This Backdoor may be dropped by other malware.
Backdoor Routine
This Backdoor executes the following commands from a remote malicious user:
- Execute a program
- Remote shell command
It connects to the following URL(s) to send and receive commands from a remote malicious user:
- itunes212.{BLOCKED}pdt.com
SOLUTION
Scan your computer with your Trend Micro product to delete files detected as OSX_CARETO.A. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
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