Analysis by: Donald Adrian Castillo
ALIASES:

Trojan:Win32/Eqtonapt.A!dha (Microsoft), Backdoor.Tripfant (Symantec)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet, Dropped by other malware

This Trojan may be dropped by other malware.

  TECHNICAL DETAILS

File Size: 203, 264 bytes
File Type: DLL
Memory Resident: No
Initial Samples Received Date: 18 Feb 2015
Payload: Connects to URLs/IPs

Arrival Details

This Trojan may be dropped by other malware.

Backdoor Routine

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

  • {BLOCKED}.{BLOCKED}.205.37:443
  • {BLOCKED}.{BLOCKED}.152.69:443

Other Details

This Trojan requires the following additional components to properly run:

  • %System%\ahlhcib.dll
  • %System%\owrwbsdi
  • %System%\sjyntmv.dat

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

  SOLUTION

Minimum Scan Engine: 9.750
FIRST VSAPI PATTERN FILE: 11.860.03
FIRST VSAPI PATTERN DATE: 17 Aug 2015
VSAPI OPR PATTERN File: 11.861.00
VSAPI OPR PATTERN Date: 18 Aug 2015

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 to delete files detected as TROJ_EQUATED.C. 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.


Did this description help? Tell us how we did.