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BKDR64_BEDEP.SDGO

August 03, 2016
 Analysis by: Mar Philip Elaurza
 ALIASES:

TrojanSpy:Win32/Skeeyah.A!rfn (Microsoft)

 PLATFORM:

Windows

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware


This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It steals certain information from the system and/or the user.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

972,288 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

15 Dec 2015

Payload:

Steals information

Arrival Details

This backdoor 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 backdoor injects codes into the following process(es):

  • iexplore.exe
  • firefox.exe
  • chrome.exe

Information Theft

This backdoor steals the following information:

  • User credentials from the following FTP client softwares:
    • FireFTP
    • FlashFXP
    • Smart FTP
    • Total Commander
    • Core FTP
    • FileZilla
  • User account information from the following browsers:
    • Google Chrome
    • Mozilla Firefox
    • Internet Explorer

Other Details

This backdoor requires its main component to successfully perform its intended routine.

It does the following:

  • Loads the following files:
    • C:\00

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.476.04

FIRST VSAPI PATTERN DATE:

19 Apr 2016

VSAPI OPR PATTERN File:

12.477.00

VSAPI OPR PATTERN Date:

20 Apr 2016

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Scan your computer with your Trend Micro product and note files detected as BKDR64_BEDEP.SDGO

Step 4

Restart in Safe Mode

[ Learn More ]

Step 5

Search and delete the file detected as BKDR64_BEDEP.SDGO

[ Learn More ]

Step 6

Search and delete these files

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.  
  • C:\00

Step 7

Restart in normal mode and scan your computer with your Trend Micro product for files detected as BKDR64_BEDEP.SDGO. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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