Author: Patrick Noel Collado   

 

HEUR:PSWTool.Win32.NetPass.gen (Kasperky), a variant of Win32/Spy.Mispadu.J trojan (Nod32)

 PLATFORM:

Windows

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

  • Threat Type:
    Trojan Spy

  • Destructiveness:
    No

  • Encrypted:
     

  • 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 certain websites to send and receive information.

  TECHNICAL DETAILS

File size: 6,973,440 bytes
File type: DLL
Memory resident: Yes
INITIAL SAMPLES RECEIVED DATE: 14 September 2020
PAYLOAD: Connects to URLs/IPs, Displays message/message boxes

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.

Information Theft

This Trojan Spy accepts the following parameters:

  • /stext WWy1 -> uses WebBrowserPassView to collect credentials from browsers
  • /stext WWy0 -> uses MailPassView to collect credentials from several locations

Other Details

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

  • {BLOCKED}.{BLOCKED}.{BLOCKED}.173

It does the following:

  • Monitors if the victim will access specific banking websites then will create an overlay window on the legitimate web browser window and connect them to the C&C server.
  • The malware looks for the following bank/banking related websites by:
    • BMSC_BO
    • BANCOUNION_BO
    • BNB_BO
    • BISA_BO
    • BCP_BO
    • FASSIL_BO
    • BANCOFIE_BO
    • BANCOSOL_BO
    • BG_BO
    • BANECO_BO
    • CORPBANCA_CH
    • BBCA_CH
    • BANCOFALABELLA_CH
    • BANCOEDWARDS_CH
    • BANCORIPLEY_CH
    • TBANCWLS_CH
    • BANEFE_CH
    • SCOTIABANK_CH
    • BICE_CH
    • BANCOINTER_CH
    • BANCOCONSORCIO_CH
    • BITCOIN
    • PAYPAL
    • BANKIA_ES
    • SABADELL_ES
    • BANKINTER_ES
    • IBERCAJA_ES
    • LIBERBANK_ES
    • ABANCA_ES
    • KUTXABANCA_ES
    • UNICAJA_ES
    • GERAL_PT
    • BPI_PT
    • NOVOBANCO_PT
    • BCP_PT
    • CGD_PT
    • ACTIVO_PT
    • MONTEPIO_PT
    • CREDITOAGR_PT
    • BPM_IT
    • BPER_IT
    • UNICRED_IT
    • SAMPAOLO_IT
    • BNL_IT
    • BANCAMPS_IT
    • SANTANDER_CH
    • SANTANDER_ES
    • BBVA_ES
    • CAIXABANK_ES
    • SANTANDER_PT
    • BBVA_MX
    • AZTECA_MX
    • BANAMEX_MX
    • BANORTE_MX
    • SANTA_MX
    • HSBC_MX
    • SCOTIA_MX
    • bbva
    • xico
    • 99_
    • 99
    • BBVA
    • banco
    • azteca
    • Banco Azteca
    • banconacional
    • agrcola
    • Banco Nacional de México
    • banorte
    • Banorte
    • santander
    • bancadeempresa
    • mxico
    • gobierno
    • pyme
    • Banco Santander
    • caixabank
    • bpi
    • CaixaBank
    • scotiabank
    • Scotia
    • hsbc
    • HSBC
    • solu
    • advance
    • investor
    • Santader
    • blockchain
    • bitcoin
    • binance
    • coinbase
    • kraken
    • crypto
    • primebit
    • bitso
    • paypal
    • bankia
    • bancosabadell
    • bankinter
    • ibercaja
    • liberbank
    • abanca
    • kutxabank
    • unicajabanco
    • bancobpi
    • novobanco
    • millenniumbcp
    • caixadirecta
    • activobank
    • montepio
    • crditoagr
    • bancapopolaredemilano
    • bancobpm
    • bper
    • unicredit
    • banking
    • bancaintesasanpaolo
    • bnl
    • banca
    • bancamps
  • The following are samples of the overlay that the malware will create:

  SOLUTION

Minimum scan engine: 9.850
First VSAPI Pattern File: 16.226.06
First VSAPI Pattern Release Date: 14 September 2020
VSAPI OPR PATTERN-VERSION: 16.227.00
VSAPI OPR PATTERN DATE: 15 September 2020

Step 1

Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:

     Troj.Win32.TRX.XXPE50FFF036

Step 2

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 3

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 4

Identify and terminate files detected as TrojanSpy.Win32.MISPADU.THIADBO

[ learnMore ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 5

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.MISPADU.THIADBO. 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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