TSPY_ZBOT.TZG

 Analysis by: Homer Pacag

 ALIASES:

Trojan.Win32.Zbot.g (Kaspersky);

 PLATFORM:

Windows

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This spyware 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 itself after execution.

  TECHNICAL DETAILS

File Size:

114,688 bytes

File Type:

EXE

Initial Samples Received Date:

04 Aug 2015

Arrival Details

This spyware 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 spyware drops the following copies of itself into the affected system and executes them:

  • %System%\xcams.exe

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

Autostart Technique

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

HKCU\Software\Microsoft\
Windows NT\CurrentVersion\Winlogon
Shell = "%System%\xcams.exe" /shell

Other Details

This spyware connects to the following possibly malicious URL:

  • http://{BLOCKED}electrorealm.org
  • http://{BLOCKED}.{BLOCKED}.170.157:80

It deletes itself after execution.