TrojanSpy.PS1.MODUKI.THEOHBC

May 25, 2023
 Analysis by: Jayvee Mark Villaroman
 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware

This Trojan Spy 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:

495,502 bytes

File Type:

PS1

Memory Resident:

No

Initial Samples Received Date:

08 May 2023

Payload:

Connects to URLs/IPs, Drops files, Steals information

Arrival Details

This Trojan Spy 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 Trojan Spy drops the following files:

  • %User Temp%\PSSQLite.zip
  • %User Temp%\{Computer Name}\{stolen information}.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).)

Information Theft

This Trojan Spy gathers the following data:

  • Saved credentials from the following protocols (username, server, and password):
    • HTTP
    • IMAP
    • NNTP
    • POP3
    • SMTP
  • Information from the following cryptocurrency wallets:
    • Armory
    • Atomic
    • Bitcoin
    • bytecoin
    • Coinomi
    • Dash
    • Electrum
    • Ethereum
    • Exodus
    • Liberty
    • Litecoin
    • Monero
    • Zcash
  • Saved credentials from Google Chrome and Thunderbird
  • System Information
  • Antivirus Products present on the machine
  • User Privileges
  • IP Addresses
  • IP Route Information
  • Shares Folder
  • Drives
  • RDP Connections
  • Local Network
  • Present Applications

It accesses the following websites to download its configuration/component files:

  • https://{BLOCKED}in.com/raw/vwvbPpBs ← downloads PS Nmap for Windows used to scan local network
  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.150/PSSQLite.zip ← downloads PSSQLite for retrieving stolen information from Google Chrome

Stolen Information

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

  • %User Temp%\{Computer Name}\{stolen information}.txt → compressed and saved to {computer name}.zip

(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

Stolen information is uploaded to the following websites:

  • https://{BLOCKED}.{BLOCKED}.{BLOCKED}.184:8000/dash/post_zip/

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

18.432.03

FIRST VSAPI PATTERN DATE:

08 May 2023

VSAPI OPR PATTERN File:

18.433.00

VSAPI OPR PATTERN Date:

09 May 2023

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 this file

[ 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.
  •  %User Temp%\PSSQLite.zip
  • %User Temp%\{Computer Name}\{stolen information}.txt

Step 4

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.PS1.MODUKI.THEOHBC. 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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