arrow_back
search
close

PHP_SPAMBOT.YQJ

October 04, 2014
 Analysis by: Anthony Joe Melgarejo
 PLATFORM:

Windows, Linux, Unix, Mac OS X

 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:

Dropped by other malware

This Trojan may be downloaded from remote sites by other malware.

  TECHNICAL DETAILS

File Size:

643 bytes

File Type:

Script

Memory Resident:

No

Initial Samples Received Date:

02 Oct 2014

Payload:

Connects to URLs/IPs, Downloads files

Arrival Details

This Trojan may be downloaded from remote site(s) by the following malware:

  • PERL_SHELLBOT.SM

It may be downloaded from the following remote sites:

  • http://{BLOCKED}.{BLOCKED}.64.176/.e/gg.tgz

NOTES:

This malware is downloaded through one of the backdoor commands of PERL_SHELLBOT.SM.

It opens the file list.txt and will send spam mails to the email addresses listed in the said file.

It uses the file index.html, detected as HTML_SPAMBOT.YQJ, in the email message body.

The HTML file contains a disguised link that will actually access the following URL:

  • http://{BLOCKED}.{BLOCKED}.147.54/.san/san.htm

It uses the following as the sender of the email:

  • sportingblah@gmail.com
  • noreply.email
  • SANTANDER.GRUPO.CLIENTEM
  • Services - lTunes

The following are used as the subject of the email:

  • TIENES (1) MENSAJE - ID #3162{random number from 0-100}18
  • SANTANDER - AVISO IMPORTANTE - ID #821{random number from 0-100}996
  • SERVICIOS - ALERTAS - ID #3162{random number from 0-100}18
  • Billing Information Update - ID #3162{random number from 0-100}18

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

11.186.05

FIRST VSAPI PATTERN DATE:

02 Oct 2014

VSAPI OPR PATTERN File:

11.187.00

VSAPI OPR PATTERN Date:

03 Oct 2014

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

Remove the malware/grayware file that dropped/downloaded PHP_SPAMBOT.YQJ. (Note: Please skip this step if the threat(s) listed below have already been removed.)

     
    • PERL_SHELLBOT.SM

Step 3

Remove malware/grayware files dropped/downloaded by PHP_SPAMBOT.YQJ. (Note: Please skip this step if the threats listed below have already been removed.)

    • HTML_SPAMBOT.YQJ

Step 4

Search and delete these files

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • {malware path and file name}\list.txt

Step 5

Scan your computer with your Trend Micro product to delete files detected as PHP_SPAMBOT.YQJ. 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.


Did this description help? Tell us how we did.