Analysis by: Rommel Abraham Joven
 Modified by: Janus Agcaoili
ALIASES:

Troj/LogPOS-A (Sophos), Trojan.LogPOS.1 (DrWeb)

 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 connects to certain websites to send and receive information.

  TECHNICAL DETAILS

File Size: 17,920 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 04 Mar 2015
Payload: Terminates processes

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.

Installation

This spyware injects codes into the following process(es):

  • All running processes except for the following:
    • windbg.exe
    • logounui.exe
    • taskmgr.exe
    • skype.exe
    • thunderbird.exe
    • devenv.exe
    • steam.exe
    • winlogon.exe
    • wininit.exe
    • csrss.exe
    • smss.exe
    • svchost.exe
    • firefox.exe
    • chrome.exe
    • explorer.exe
    • psi.exe
    • pidgin.exe
    • System

Information Theft

This spyware gathers the following data:

  • Credit Card Track Data

Other Details

This spyware connects to the following website to send and receive information:

  • http://{BLOCKED}anel.000a.{BLOCKED}z/rec.php?encoding=1&t={track}&cc=(credit card number)&process=(injected process)&track=(track data)
    (Note: It sends gathered information via HTTP GET request)

It does the following:

  • Creates a MailSlot where it writes and reads the gathered credit card track data:
    • \\\.\mailslot\LogCC

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 11.520.02
FIRST VSAPI PATTERN DATE: 05 Mar 2015
VSAPI OPR PATTERN File: 11.521.00
VSAPI OPR PATTERN Date: 06 Mar 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

Restart in Safe Mode

[ Learn More ]

Step 4

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_POSMAIL.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 this Knowledge Base page for more information.


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