TrojanSpy.PS1.PASSTEAL.AUSIPS

 Analysis by: Joshua Paul Ignacio

 ALIASES:

N/A

 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

Infection Channel:

Downloaded from specific remote sites

This Trojan Spy steals certain information from the system and/or the user.

  TECHNICAL DETAILS

File Size:

3,864 bytes

File Type:

PS1

Memory Resident:

Yes

Initial Samples Received Date:

21 Jan 2020

Payload:

Steals information, Uploads stolen information

Arrival Details

This Trojan Spy may be downloaded from the following remote sites:

  • https://{BLOCKED}in.com/raw/sukeveriho

Information Theft

This Trojan Spy steals the following information:

  • Internet Credentials:
    • URL
    • Username
    • Password

Stolen Information

This Trojan Spy saves the stolen information in the following file:

  • %User Temp%\1.txt

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Drop Points

This Trojan Spy uploads files to the following File Transfer Protocol (FTP) sites:

  • ftp://{BLOCKED}:{BLOCKED}z08@files.{BLOCKED}host.com/USERS/{Current Date}-{Current Time}-{Username}-{Random Number from 0-9999999}-.txt → contains stolen information

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.636.04

FIRST VSAPI PATTERN DATE:

22 Jan 2020

VSAPI OPR PATTERN File:

15.637.00

VSAPI OPR PATTERN Date:

23 Jan 2020

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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 TrojanSpy.PS1.PASSTEAL.AUSIPS

[ 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

Search and delete the files detected as TrojanSpy.PS1.PASSTEAL.AUSIPS

*Note: Some component files may be hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files and folders in the search result.

To stop the malware/grayware from running when certain files are opened:

For Windows 7, Windows Server 2008 (R2), Windows 8, Windows 8.1, Windows 10, and Windows Server 2012 (R2):

  1. Open a Windows Explorer window.
    • For Windows 7 and Server 2008 (R2) users, click Start>Computer.
    • For Windows 8, 8.1, 10, and Server 2012 (R2) users, right-click on the lower left corner of the screen,then click File Explorer.
  2. In the Search Computer/This PC input box, type the name of the file that was detected earlier.
  3. Once located, select the file then press SHIFT+DELETE to delete it.
    *Note: Read the following Microsoft page if these steps do not work on Windows 7 or Windows Server 2008 (R2).

Step 5

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.PS1.PASSTEAL.AUSIPS. 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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