Author: Michael Jhon Ofiaza   

 

Trojan-Downloader.Win32.Miner.ft (Kaspersky) ; TrojanDownloader:Win32/Meralifea.A (Microsoft)

 PLATFORM:

Windows

 OVER ALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE
Low
Medium
High
Critical

  • Threat Type:
    Trojan

  • Destructiveness:
    No

  • Encrypted:
    No

  • In the wild:
    Yes

  OVERVIEW

INFECTION CHANNEL: Downloaded from the Internet

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

  TECHNICAL DETAILS

File size: 20,636 bytes
File type: Other
Memory resident: Yes
INITIAL SAMPLES RECEIVED DATE: 26 July 2018
PAYLOAD: Steals information, Terminates processes

Arrival Details

This Trojan 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 Trojan terminates itself if it finds the following processes in the affected system's memory:

  • devenv.exe
  • wireshark.exe
  • vmacthlp.exe
  • procmon.exe
  • ollydbg.exe
  • idag.exe
  • ImmunityDebugger.exe
  • windbg.exe
  • EHSniffer.exe
  • iris.exe
  • procexp.exe
  • filemon.exe

Information Theft

This Trojan gathers the following data:

  • OS Version and Architecture

Other Details

This Trojan does the following:

  • Connects to the following URL to download and load the payload on memory:
    • sltp://setup.{BLOCKED}b.online:1108/setup.bin?id=128
  • This Trojan is injected in dllhost.exe by TROJ_DLOADR.AUSUMP

  SOLUTION

Minimum scan engine: 9.850
First VSAPI Pattern File: 14.406.05
First VSAPI Pattern Release Date: 27 July 2018
VSAPI OPR PATTERN-VERSION: 14.407.00
VSAPI OPR PATTERN DATE: 28 July 2018

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

[ learnMore ]

Step 4

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_DLOADR.AUSUMQ. 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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