JS_BARKEYCO.A

 Analysis by: Homer Pacag

 ALIASES:

TrojanDownloader:JS/Barkeyco.A (Microsoft);

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


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:

2,544 bytes

Initial Samples Received Date:

05 Aug 2015

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.

Download Routine

This Trojan accesses the following websites to download files:

  • http://{BLOCKED}OM.COM/get.php
  • http://{BLOCKED}MS.COM/get.php
  • http://{BLOCKED}IZESMS.COM/get.php
  • http://{BLOCKED}TGUMRUK.COM/language/get.php
  • http://{BLOCKED}ACAP.COM/wp-content/themes/academy/get.php
  • http://{BLOCKED}SSHERBAL.COM/wp-content/themes/tiny-framework/get.php
  • http://{BLOCKED}EA.COM/xmlrpc/get.php
  • http://www.{BLOCKED}URJAPAN.COM/get.php
  • http://{BLOCKED}ITYSMSNG.COM/get.php
  • http://{BLOCKED}VEFOODSTYLIST.COM/get.php
  • http://www.{BLOCKED}NJEWELRY.COM/get.php
  • http://{BLOCKED}OTELEET.COM/get.php
  • http://{BLOCKED}ASE.ORG/get.php
  • http://{BLOCKED}ULKLIMA.ORG/get.php
  • http://{BLOCKED}P.COM/get.php
  • http://{BLOCKED}GSPRINGWORKSHOPS.COM/wp-content/themes/travel-blogger/get.php
  • http://{BLOCKED}OTELS.COM/get.php
  • http://www.{BLOCKED}nbruening.com/get.php
  • http://{BLOCKED}WERTRIANGLE.COM/get.php
  • http://{BLOCKED}RD.COM/get.php
  • http://www.{BLOCKED}ost.pl/get.php
  • http://{BLOCKED}AGEVETERINARYHOSPITAL.COM/get.php

It saves the files it downloads using the following names:

  • %User Temp%\{random}.exe

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)