Analysis by: Cris Nowell Pantanilla

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • 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.

It deletes the initially executed copy of itself.

  TECHNICAL DETAILS

File Size: 304,032 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 22 Jun 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.

Installation

This Trojan drops the following copies of itself into the affected system:

  • %System32%\dcimmpos.exe

It injects threads into the following normal process(es):

  • explorer.exe

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
dot3stor = "%System32%\dcimmpos.exe"

Other Details

This Trojan connects to the following possibly malicious URL:

  • {BLOCKED}oksdroopersaw.biz
  • {BLOCKED}00rasstraa.com
  • {BLOCKED}library.su
  • {BLOCKED}imnerlkzzz.biz
  • {BLOCKED}n435tyuklone.in
  • {BLOCKED}yersmountain.in

It deletes the initially executed copy of itself