Analysis by: John Karlo Agon
ALIASES:

Trojan-Cleaver (McAfee), Trojan.Zelocat (Symantec), Troj/Spy-ADK (Sophos), Win32/HackTool.zhCat.A (ESET-NOD32)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet, Dropped by other malware

This hacking tool may arrive bundled with malware packages as a malware component. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be manually installed by a user.

It does not have any propagation routine.

  TECHNICAL DETAILS

File Size: 75264 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 16 Jul 2015

Arrival Details

This hacking tool may arrive bundled with malware packages as a malware component.

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It may be manually installed by a user.

Propagation

This hacking tool does not have any propagation routine.

Other Details

This hacking tool does the following:

  • This hacking tool accepts the following parameters:
    • -l or --listen ==> get into server mode
    • -h or --http ==> connects to a url
    • -x or --xor ==> encrypt/decrypt the network traffic
    • -e or --executable ==> run executable after connected
    • -i or --ip ==> listen ip (ignored = all ips)
    • -p or -- port ==> listen port
    • -ti or --tunnel-ip ==> tunnel ip
    • -tp or --tunnel-port ==> tunnel port
    • -d or --dump ==> save network traffic into file
    • -he or --help ==> print help

  SOLUTION

Minimum Scan Engine: 9.700
SSAPI PATTERN File: 1.575.00
SSAPI PATTERN Date: 18 Dec 2014

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as HKTL_SHCAT. 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 this Knowledge Base page for more information.


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