Analysis by: Mar Philip Elaurza
ALIASES:

Win32/HackTool.Sniffer.D (ESET-NOD32), HackTool.Win32.Sniffer.Agent.cm (Kaspersky), TrojanSpy:Win32/Tzeebot (Microsoft), Infostealer (Symantec)

 PLATFORM:

Windows

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

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

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

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size: 132,608 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 25 Sep 2015
Payload: Steals information

Arrival Details

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

Autostart Technique

This spyware adds and runs the following services:

  • MsNetMonitor

Information Theft

This spyware gathers the following data:

  • Mac address of infected machine
  • IP address of infected machine
  • SubnetMask of infected machine
  • Gateway of infected machine
  • Gateway Mac of infected machine
  • Username
  • Password
  • Packets of sent data over the network

Other Details

This spyware requires its main component to successfully perform its intended routine.

  SOLUTION

Minimum Scan Engine: 9.750
FIRST VSAPI PATTERN FILE: 11.942.02
FIRST VSAPI PATTERN DATE: 26 Sep 2015
VSAPI OPR PATTERN File: 11.943.00
VSAPI OPR PATTERN Date: 27 Sep 2015

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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Disable this malware service

[ Learn More ]
  • MsNetMonitor

Step 4

Scan your computer with your Trend Micro product to delete files detected as TSPY_TZEEBOT.AP. 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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