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TSPY_DRIDEX.XMNT

June 25, 2015
 Analysis by: David John Agni
 ALIASES:

Backdoor:Win32/Drixed.E (Microsoft), Troj/Dridex-EC (Sophos), Win32/Dridex.P (ESET-NOD32)

 PLATFORM:

Windows

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This spyware 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:

137,216 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

01 Jun 2015

Arrival Details

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

Other Details

This spyware connects to the following possibly malicious URL:

  • {BLOCKED}.{BLOCKED}.99.250:8443
  • {BLOCKED}.{BLOCKED}.1.205:8443
  • {BLOCKED}.{BLOCKED}.128.226:8443
  • {BLOCKED}.{BLOCKED}.238.214:4443
  • {BLOCKED}.{BLOCKED}.1.205:8443

  SOLUTION

Minimum Scan Engine:

9.750

FIRST VSAPI PATTERN FILE:

11.704.06

FIRST VSAPI PATTERN DATE:

01 Jun 2015

VSAPI OPR PATTERN File:

11.705.00

VSAPI OPR PATTERN Date:

02 Jun 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

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