Analysis by: Earle Maui Earnshaw
ALIASES:

Trojan.Win32.Agent.qwivmo (Kaspersky); Trojan:Win32/Tiggre!rfn (Microsoft)

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

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

This Trojan Spy 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 a website to send and receive information.

  TECHNICAL DETAILS

File Size: 160,256 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 12 Apr 2019
Payload: Connects to URLs/IPs, Steals information

Arrival Details

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

Backdoor Routine

This Trojan Spy connects to the following websites to send and receive information:

  • https://{BLOCKED}ejs.xyz/fdItMRzCCckcMQm8/gate.php

Information Theft

This Trojan Spy gathers the following data:

  • Product Name
  • Machine GUID
  • Machine Version
  • IP Address
  • System Information
  • Memory Information (RAM)
  • Display Information
  • Machine Name
  • User Name
  • System's Current Local Date and Time
  • System's Current Time Zone Settings
  • Graphics Information
  • System Locales

Other Details

This Trojan Spy does the following:

  • Will not collect the System's Information if the default language of the system are the following:
    • Russian
    • Armenian
    • Azerbaijan, Cyrillic
    • Azerbaijan, Latin
    • BElarusian
    • Georgian
    • Kazakhstan
    • Tajikistan, Cyrillic
    • Turkmenistan
    • Uzbekistan
    • Uzbekistan, Latin

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 14.934.08
FIRST VSAPI PATTERN DATE: 12 Apr 2019
VSAPI OPR PATTERN File: 14.935.00
VSAPI OPR PATTERN Date: 12 Apr 2019

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.PASSTEAL.UGY. 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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