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BKDR_HANCITOR.VVRE

September 08, 2016
 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware

This backdoor may be dropped by other malware.

It deletes the initially executed copy of itself.

  TECHNICAL DETAILS

File Size:

54,272 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

06 Sep 2016

Payload:

Connects to URLs/IPs

Arrival Details

This backdoor may be dropped by the following malware:

  • W2KM_HANCITOR.YYSVZ

Installation

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

  • %System%\WinHost32.exe

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

Autostart Technique

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

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
WinHost32 = "%System%\WinHost32.exe"

Other Details

This backdoor connects to the following URL(s) to get the affected system's IP address:

  • http://api.ipify.org

It connects to the following possibly malicious URL:

  • http://{blocked}ttorssed.com/ls4/gate.php
  • http://{blocked}motert.ru/ls4/gate.php
  • http://{blocked}ebsedrol.ru/ls4/gate.php

It deletes the initially executed copy of itself