TROJ_MALOAD.QFKG

July 26, 2018
 Analysis by: Noel Anthony Llimos
 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware, 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. It arrives as a component bundled with malware/grayware packages.

  TECHNICAL DETAILS

File Size:

174,976 bytes

File Type:

BIN

Memory Resident:

Yes

Initial Samples Received Date:

26 Jul 2018

Payload:

Connects to URLs/IPs

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.

It arrives as a component bundled with malware/grayware packages.

Installation

This Trojan injects itself into the following processes as part of its memory residency routine:

  • Kxetray.exe
  • Kxescore.exe
  • 360tray.exe
  • 360sd.exe
  • /sbin/crashrpt.exe
  • TenioDL.exe
  • sysfixkill.exe

Other Details

This Trojan does the following:

  • It will load the following DLLs to transfer its process using side-loading method:
    • TenioDL_core.dll
    • sysfixkill.exe
    • ksmcorex.dll
    • ksecorex.dll
    • kdump.dll
    • /sbin/HWSignature.dll
  • It will parse the following files "config.js" and "config2.js" (detected as TROJ_MALOAD.CFG) to build the following URLs for its component files:
    • sltp://setup.{BLOCKED}01.info:1108/setup2.pkg
    • sltp://setup.{BLOCKED}01.info:1108/runtime2sp.pxz
    • sltp://setup.{BLOCKED}01.info:1108/runtime.pxz

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.404.04

FIRST VSAPI PATTERN DATE:

26 Jul 2018

VSAPI OPR PATTERN File:

14.405.00

VSAPI OPR PATTERN Date:

27 Jul 2018

Step 1

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 2

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

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 TROJ_MALOAD.QFKG. 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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