TROJ_AGENT.XXTXA

 Analysis by: Jaime Benigno Reyes

 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:

Varies

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

11 Nov 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.

Installation

This Trojan drops the following files:

  • {malware path}\PS00000P.exe
  • {malware path}\pos_update.exe
  • {malware path}\regsvr32.exe
  • {malware path}\Data\Wait.dat
  • %System%\vcf132.ocx

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

It creates the following folders:

  • {malware path}\Data

Other System Modifications

This Trojan adds the following registry keys:

HKEY_CLASSES_ROOT\VCF1.VCF1Ctrl.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
VCF1.VCF1Ctrl.1

Other Details

This Trojan connects to the following possibly malicious URL:

  • {BLOCKED}.{BLOCKED}.13.42
  • http://{BLOCKED}.{BLOCKED}.159.37:8124/bin