TrojanSpy.Win32.LUMMAC.CJR

March 20, 2023
 Analysis by: Christine Joyce Ragudo
 ALIASES:

UDS:DangerousObject.Multi.Generic (KASPERSKY)

 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:

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:

1,265,152 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

20 Feb 2023

Payload:

Connects to URLs/IPs, 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.

Information Theft

This Trojan Spy gathers the following data:

  • System information:
    • Username
    • Screen size
    • Model name
    • Cores
    • GPU
  • Browser autofills, cookies & Login data from the following:
    • Opera GX Stable
    • Opera Stable
    • Google Chrome
    • Microsoft Edge
    • Google(x86) Chrome
    • Chromium
    • Brave Browser
    • Epic Privacy Browser
    • Amigo
    • Vivaldi
    • Orbitum
    • Atom
    • Kometa
    • Comodo Dragon
    • Torch
    • Comodo
    • Slimjet
    • 360 Browser
    • Maxthon 3
    • K-Melon
    • Sputnik
    • Nichrome
    • CocCoc Browser
    • Yandex Browser
  • FTP Clients:
    • FileZilla
  • Crypto Wallets:
    • TronLink
    • MetaMask
    • XDCPay
    • Ton
    • Slope
    • Starcoin
    • Oxygen
    • Flint
    • CardWallet
    • Finnie
    • Swash
    • TronWallet
    • CryptoAirdrop
    • Binance Chain Wallet
    • Yoroi
    • Math Wallet
    • Coinbase Wallet
    • Guarda
    • Jaxx Liberty
    • iWallet
    • Wombat
    • MEW CX
    • Oasis
    • Ronin Wallet
    • NeoLine
    • Clover Wallet
    • Liquality Wallet
    • FreaksAxie Wallet
    • Terra Station
    • Keplr
    • Auro Wallet
    • Polymesh Wallet
    • ICONex
    • Nabox Wallet
    • KHC
    • Temple
    • TezBox
    • XDefiWallet
    • Cyano Wallet
    • Byone
    • LeafWallet
    • DAppPlay
    • Hycon Lite Client
    • ZilPay
    • Coin98 Wallet
    • Harmony
    • KardiaChain
    • Rabby
    • Phantom
    • EVER Wallet
  • Others:
    • Steam
    • Telegram

Stolen Information

This Trojan Spy sends the gathered information via HTTP POST to the following URL:

  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.58:5000/sendlog

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

18.290.02

FIRST VSAPI PATTERN DATE:

03 Mar 2023

VSAPI OPR PATTERN File:

18.291.00

VSAPI OPR PATTERN Date:

04 Mar 2023

Step 1

Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:

     TROJ.Win32.TRX.XXPE50FFF065

Step 2

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 3

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TrojanSpy.Win32.LUMMAC.CJR. 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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