HackTool.MSIL.PasswordDump.YABHF


 PLATFORM:

Windows

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

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet

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

It gathers certain information on the affected computer.

  TECHNICAL DETAILS

File Size:

47,616 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

06 Dec 2021

Payload:

Steals information

Arrival Details

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

Installation

This Hacking Tool adds the following folders:

  • {2nd argument}\ → contains folders of gathered data
  • {2nd argument}\__{Computer name}_{Drive Letter}$_users_{username}\ → contains gathered information

Information Theft

This Hacking Tool gathers the following information on the affected computer:

  • local Chrome Login Database

Other Details

This Hacking Tool does the following:

  • It checks all the available users from the list of targeted machines in {1st argument} for the SQL database file: "{user name}\AppData\Local\Google\Chrome\user data\Default\Login Data"
    • If present, copies file to {2nd argument} and renamed as the following:
      • __{Computer name}_{Drive Letter}$_users_{username}\logdata

It accepts the following parameters:

  • {1st argument} → file containing list of Computer Name and/or IP Addresses seperated by a new line
  • {2nd argument} → path to store gathered information
  • {3rd argument} → number of threads to create/run simultaneously

  SOLUTION

Minimum Scan Engine:

9.800

SSAPI PATTERN File:

2.469.00

SSAPI PATTERN Date:

06 Dec 2021

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

Search and delete these files

[ Learn More ]
There may be some files that are 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.  
  • __{Computer name}_{Drive Letter}$_users_{username}\logdata

Step 4

Search and delete this folder

[ 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.
  • {2nd argument}\

Step 5

Scan your computer with your Trend Micro product to delete files detected as HackTool.MSIL.PasswordDump.YABHF. 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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