BKDR64_SUICID.A

May 13, 2016
 Analysis by: Jennifer Gumban
 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.

  TECHNICAL DETAILS

File Size:

1,410,560 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

20 Apr 2016

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 itself into the following processes running in the affected system's memory:

  • explorer

Other System Modifications

This backdoor adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
EnableLUA = "0"

Other Details

This backdoor requires the following additional components to properly run:

  • c:\preLog.txt

NOTES:

It checks the installed browser and its version:

    chrome
  • safari
  • opera
  • msie
  • firefox

It does the following backdoor commands:

  • EXECUTE - execute a file
  • UPDATE - download a file
  • SETCONFIG - download configuration
  • PLUGIN - download and execute a plugin
  • WAIT
  • CLOSESESSION - end connection to server
  • SUICID
  • EXIT - end malware process
  • REBOOT - restarts the system

It uses the following URL parameters:

Before backdoor, sends the following status:

  • page=gettask&build=00001&bid={ID}
  • page=startsession&bid={ID}
  • page=register&bid={ID}
  • page=isserver&bid={ID}
  • EXECUTE sends page=getfile&file_id={fileID}
  • EXIT sends page=endsession&bid={ID}
  • SUICID sends page=settaskstatus&session_id={sessionID}

After each command, it sends status page=report&abid={ID}. It checks for the following antivitus applications:

  • Antivirus
  • Anti-Virus
  • Anti Virus
  • Firewall
  • Internet Security
  • Network Security
  • Total Security
  • Security Essentials
  • Anti-Malware
  • AntiMalware
  • Anti-Spyware
  • AntiSpyware
  • Malware Protection
  • Endpoint Protection
  • Kaspersky
  • AntiVir
  • NOD32
  • Dr.Web
  • VirusBuster
  • ClamAV
  • Bitdefender
  • ByteHero
  • G Data
  • ViRobot
  • IKARUS
  • AVG 2013
  • AVG 2012
  • VirusBlokAda
  • VirusBarrier
  • STOPzilla
  • Virus Blocker
  • Quick Heal Total Security
  • Immunet Plus
  • Privatefirewall
  • ZoneAlarm Extreme Security
  • McAfee Total Protection
  • Emsisoft Mamutu
  • Titanium Premium Security
  • SecureAnywhere
  • SUPERAntiSpyware
  • Spyware Doctor
  • K7 Ultimate Security
  • Panda Global Protection
  • Titanium Maximum Security

It checks for AV-related tools:

  • wireshark.exe
  • procmon.exe
  • filemon.exe
  • regmon.exe
  • netmon.exe
  • diskmon.exe
  • regshot.exe
  • whatchanged.exe
  • spymetools.exe
  • processhacker.exe
  • apis32.exe
  • netstat.exe
  • cports.exe
  • iptools.exe
  • probesvc.exe
  • vpcmap.exe
  • vmsrvc.exe
  • vmusrvc.exe
  • vboxservice.exe
  • sbiesvc.exe
  • sniff_hit.exe
  • sysanalyzer.exe
  • tcpview.exe
  • anvir.exe
  • Attack Surface Analyzer
  • HHD Software Device Monitoring Studio
  • Wireshark
  • Process Monitor
  • Regshot
  • WhatChanged
  • SpyMe Tools
  • MultiMon
  • Registrar Registry Manager
  • Disk Monitor
  • Process Hacker
  • ApiMonitor
  • Api Monitor
  • CurrPorts
  • SoftPerfect Network Protocol Analyzer
  • Device Monitoring Studio
  • TracePlus
  • CommView
  • Ip Tools 1.9
  • Network Probe
  • Etherscan Analyzer
  • HTTP Recorder
  • TCP Viewer
  • EtherSnoop
  • KaKeeware Application Monitor
  • SmartSniff
  • WebScarab
  • TCPView - Sysinternals
  • AnVir Task Manager
  • Compass Live
  • WildPackets Compass
  • NukeNabber
  • Active Ports
  • Essential NetTools
  • Network Sniffer
  • Network Analyzer
  • Packet Sniffer
  • HTTP Sniffer
  • IP Sniffer
  • Net Monitor
  • Colasoft Capsa
  • System Explorer
  • NetTools
  • X-NetStat
  • TCPEye
  • Emsisoft HiJackFree
  • taskmgr
  • ExtensionsTaskManager
  • AnVir
  • Daphne
  • SystemMonitor
  • procexp
  • ProcessHacker
  • SystemExplorer
  • WhatsRunning
  • zAntiReverse

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.478.06

FIRST VSAPI PATTERN DATE:

20 Apr 2016

VSAPI OPR PATTERN File:

12.479.00

VSAPI OPR PATTERN Date:

21 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

Restart in Safe Mode

[ Learn More ]

Step 4

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

 
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
    • EnableLUA = "0"

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as BKDR64_SUICID.A. 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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