Analysis by: Michael Jay Villanueva
ALIASES:

Trojan:Win32/Samcrex (Microsoft); Trojan.Olydestroy (Symantec)

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan Spy may be dropped by other malware.

It does not have any backdoor routine.

  TECHNICAL DETAILS

File Size: 769,536 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 12 Feb 2018

Arrival Details

This Trojan Spy may be dropped by the following malware:

Backdoor Routine

This Trojan Spy does not have any backdoor routine.

Information Theft

This Trojan Spy attempts to get stored information such as user names, passwords, and hostnames from the following browsers:

  • Internet Explorer
  • Google Chrome
  • Mozilla Firefox

Other Details

This Trojan Spy does the following:

  • After gathering the browser credentials on the affected machine, TROJ_OLYMPICDESTROYER.A will use the stolen credentials for remote connection and propagation using PsExec.

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 13.964.02
FIRST VSAPI PATTERN DATE: 13 Feb 2018
VSAPI OPR PATTERN File: 13.965.00
VSAPI OPR PATTERN Date: 14 Feb 2018

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

Identify and terminate files detected as TSPY_BROWPASS.D

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Scan your computer with your Trend Micro product to delete files detected as TSPY_BROWPASS.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 the following Trend Micro Support pages for more information:


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