Trojan.Win32.NANOCORE.IMGYAPA

January 22, 2020
 Modified by: Joshua Paul Ignacio
 ALIASES:

Trojan-PSW.Win32.Agent.tisk (KASPERSKY), W32/Agent.TISK!tr.pws (FORTINET)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware

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:

49,152 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

21 Jan 2020

Payload:

Connects to URLs/IPs, Downloads files

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 injects codes into the following process(es):

  • RegAsm.exe

Download Routine

This Trojan connects to the following URL(s) to download its component file(s):

  • https://{BLOCKED}ve.{BLOCKED}e.com/download?cid=E3F864783437E54C&resid=E3F864783437E54C%21120&authkey=AJxvhb5E2TNcfSY

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.636.02

FIRST VSAPI PATTERN DATE:

15 Jan 2020

VSAPI OPR PATTERN File:

15.637.00

VSAPI OPR PATTERN Date:

16 Jan 2020

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 Trojan.Win32.NANOCORE.IMGYAPA. 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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