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TROJ_DLOADR.EW

May 19, 2014
 Analysis by: RonJay Kristoffer Caragay
 ALIASES:

a variant of Win32/Kryptik.BZHQ trojan(NOD32); Troj/Zbot-IAZ(Sophos-Lite)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 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:

130,560 bytes

File Type:

EXE

Initial Samples Received Date:

09 Apr 2014

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 saves the files it downloads using the following names:

  • %User Temp%\mss{random characters}.exe
  • %User Temp%\mss{random characters}.tmp

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}ttoplay.co.uk/duffer/salutations
  • http://{BLOCKED}ttoplay.co.uk/duffer/salutations
  • http://{BLOCKED}temas.com.ar/ennobles/moment
  • http://www.{BLOCKED}econtracts.co.uk/racked/pennis
  • http://{BLOCKED}dcommercials.co.uk/transepts/your
  • http://{BLOCKED}chanics.com/spengler/beatle
  • http://{BLOCKED}stersandiego.com/impugning/felsitic
  • http://{BLOCKED}.{BLOCKED}.161.78/mishapping/fleeceable
  • http://www.{BLOCKED}s.net/dyslexia/horizonless
  • http://{BLOCKED}60.co.uk/mervin/number
  • http://{BLOCKED}ttoplay.co.uk/duffer/salutations
  • http://{BLOCKED}.{BLOCKED}.41.251/goiters/wonderless
  • http://{BLOCKED}etcollection.com/adverb/songless
  • http://www.{BLOCKED}boutiquehotelsandvillas.com/qualm/onder
  • http://{BLOCKED}n-flooring.org.uk/stern/just
  • http://{BLOCKED}senta.co/mores/wait
  • http://{BLOCKED}temas.com.ar/ennobles/moment
  • http://{BLOCKED}o.com/carped/loose
  • http://{BLOCKED}tours.ca/precluding/enlarge
  • http://www.{BLOCKED}econtracts.co.uk/racked/pennis
  • http://{BLOCKED}dcommercials.co.uk/transepts/your
  • http://{BLOCKED}thofeck.de/gerardo/biggest
  • http://{BLOCKED}a.com.tr/pennons/fan
  • http://ftp.{BLOCKED}es.org/cajoling/make
  • http://{BLOCKED}ps.co.za/willing/hill
  • http://arik-{BLOCKED}euk.co.uk/habit/day