Analysis by: Alvin Bacani
 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • 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 listens on port(s). It executes commands from a remote malicious user, effectively compromising the affected system.

  TECHNICAL DETAILS

File Size: 452,096 bytes
File Type: DLL
Memory Resident: Yes
Initial Samples Received Date: 14 Oct 2013
Payload: Connects to URLs/IPs, Compromises system security

Arrival Details

This backdoor may be dropped by other malware.

Backdoor Routine

This backdoor listens on the following port(s):

  • Random Port

It executes the following commands from a remote malicious user:

  • Perform Remote Connection via SSH
  • Check public ip of the affected system

It connects to the following URL(s) to send and receive commands from a remote malicious user:

  • {BLOCKED}ahjperdue.{BLOCKED}ctme.net:443
  • {BLOCKED}offreypier.{BLOCKED}cDNS.biz:443
  • {BLOCKED}awnclark.{BLOCKED}c.com:443
  • {BLOCKED}lanriffith.{BLOCKED}c.to:443
  • {BLOCKED}eitheslie.{BLOCKED}1.com:443
  • {BLOCKED}narivvu.{BLOCKED}c.to:443
  • {BLOCKED}yjrosinski.{BLOCKED}s.net:443
  • {BLOCKED}rnetta.{BLOCKED}p.org:443
  • {BLOCKED}nrobinette.{BLOCKED}ttp.com:443
  • {BLOCKED}ilfordclark.{BLOCKED}c.com:443
  • {BLOCKED}ytonlowe.{BLOCKED}1.com:443
  • {BLOCKED}tcollins.{BLOCKED}s.net:443
  • {BLOCKED}neeonard.{BLOCKED}c.to:443
  • {BLOCKED}smark.{BLOCKED}b.com:443
  • {BLOCKED}vidlindsey.{BLOCKED}p.org:443
  • {BLOCKED}lkhouri.{BLOCKED}s.com:443
  • {BLOCKED}labhnarola.{BLOCKED}ics.com:443
  • {BLOCKED}rnetta.{BLOCKED}p.org:443
  • {BLOCKED}araraju.{BLOCKED}ver.biz:443
  • {BLOCKED}nnation.{BLOCKED}tp.com:443

  SOLUTION

Minimum Scan Engine: 9.300
FIRST VSAPI PATTERN FILE: 10.340.08
FIRST VSAPI PATTERN DATE: 14 Oct 2013

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

Scan your computer with your Trend Micro product and note files detected as BKDR_MEVADE.D

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete files detected as BKDR_MEVADE.D

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.

Step 5

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