TrojanSpy.Win32.ACRSTEALER.A

 Analysis by: Melvin Jhun Palbusa

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted:

  • 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:

362,496 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

07 May 2024

Payload:

Connects to URLs/IPs, Drops files, Collects system information, 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:

  • %Temporary Internet Files%\Content.IE5\{Random Characters}\921e7ad-5b9e-4fca-97e6-c631b2636cc9.txt
  • %Temporary Internet Files%\Content.IE5\{Random Characters}\Up

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

Download Routine

This Trojan Spy connects to the following URL(s) to download its configuration file:

  • https://{BLOCKED}ommunity.com/profiles/76561199609719039

Information Theft

This Trojan Spy gathers the following data:

  • Operating System
  • OS architecture
  • Username
  • Number of processor
  • Running processes
  • Time Zone
  • System Driver
  • It gathers credentials from the following:
    • Browser(User Data)
      • Chrome
      • Epic
      • vivaldi
      • Browser360
      • Cococ
      • K-meleon
      • Orbitum
      • Torch
      • Centbrowser
      • Chromium
      • Chedot
      • Kometa
      • Uran
      • Liebao
      • QIP surf
      • Nichrome
      • Chromodo
      • Coowon
      • Citrio
      • Elements Browser
      • ChromePlus
      • Maxthon3
      • Amigo
      • Brave-Browser
      • Microsoft Edge
      • Opera Stable
      • Opera GX Stable
      • Opera Neon
      • Mozilla Firefox
      • BlackHawk
      • Tor Browser
      • Thunderbird
    • Email Clients:
      • Mailbird
      • yMail2
      • Opera Mail
      • TrulyMail
      • Pocomail
      • eM Client
      • The Bat!
      • Pegasus Mail
    • FTPs:
      • FileZilla
      • GoFTP
      • FTPInfo
      • UltraFXP
      • FTP Now
      • DeluxeFTP
      • FTPGetter
      • ALFTP
      • BitKinex
      • FTPBox
      • NppFTP
      • NovaFTP
      • FTPBox
      • BlazeFtp
    • VPNs:
      • NordVPN
      • AzireVPN
    • Instant Messaging Applications:
      • WhatsApp
      • Tox
      • Pidgen
      • Psi\Psi+
      • Signal
    • Password Manager:
      • Total Commander
      • NordPass
      • RoboForm
      • 1Password
    • Other Applications:
      • Snowflakes
      • NetDrive
      • Steed
      • Gmail Notifier Pro
      • MySQL
      • Sticky Notes
      • Notezilla
      • To-Do DeskList
      • Telegram Desktop
    • Browser Extension (e.g. Crypto wallet, Password Managers and Authenticator):
      • Binance Chain Wallet
      • Auro Wallet
      • MEW CX
      • Wombat
      • NeoLine
      • iWallet
      • Polymesh Wallet
      • Yoroi
      • Wallet Guard
      • Temple
      • TezBox
      • ICONex
      • Hana Wallet
      • MetaMask
      • Terra Station
      • Coin98 Wallet
      • Guarda
      • Nabox Wallet
      • Keplr
      • OneKey
      • ZilPay
      • TronLink
      • Ronin Wallet
      • Clover Wallet
      • Coinbase Wallet
      • LeafWallet
      • Phantom
      • Bitget Wallet
      • SafePall Extension Wallet
      • flhbololhdbnkpnnocoifnopcapiekdi - unknown browser extension
      • kkhmbjifakpikpapdiaepgkdephjgnma - unknown browser extension
      • Ledge Live Qoutes
      • ckdjpkejmlgmanmmdfeimelghmdfeobe - unknown browser extension
      • iodngkohgeogpicpibpnaofoeifknfdo - unknown browser extension
      • hnefghmjgbmpkjjfhefnenfnejdjneog - unknown browser extension
      • Keep Key Wallet
      • egdddjbjlcjckiejbbaneobkpgnmpknp - unknown browser extension
      • nihlebdlccjjdejgocpogfpheakkpodb - unknown browser extension
      • ilbibkgkmlkhgnpgflcjdfefbkpehoom - unknown browser extension
      • oiaanamcepbccmdfckijjolhlkfocbgj - unknown browser extension
      • ldpmmllpgnfdjkmhcficcifgoeopnodc - unknown browser extension
      • mbcafoimmibpjgdjboacfhkijdkmjocd - unknown browser extension
      • jbdpelninpfbopdfbppfopcmoepikkgk - unknown browser extension
      • onapnnfmpjmbmdcipllnjmjdjfonfjdm - unknown browser extension
      • cfdldlejlcgbgollnbonjgladpgeogab - unknown browser extension
      • Blocknative Gas Fee Estimator for ETH and MATIC
      • fdfigkbdjmhpdgffnbdbicdmimfikfig - unknown browser extension
      • njojblnpemjkgkchnpbfllpofaphbokk - unknown browser extension
      • hjagdglgahihloifacmhaigjnkobnnih - unknown browser extension
      • RoboForm Password Manager
      • Authenticator
      • Authy
      • Trezor Password Manager
      • EOS Authenticator
      • GAuth Authenticatorp68
      • Bitwarden Password Manager
      • KeePassXC-Browser
      • Dashlane - Password Manager
      • NordPass
      • Keeper Password Manager
      • LastPass: Free Password Manager
      • BrowserPassp
      • MYKI
      • Splikity
      • CommonKey
      • Zoho Vault
      • Adblock Plus
      • kmmkllgcgpldbblpnhghdojehhfafhro - unknown browser extension
      • ibegklajigjlbljkhfpenpfoadebkokl - unknown browser extension
      • ijpdbdidkomoophdnnnfoancpbbmpfcn - unknown browser extension
      • llalnijpibhkmpdamakhgmcagghgmjab - unknown browser extension
      • mjdmgoiobnbombmnbbdllfncjcmopfnc - unknown browser extension
      • ekkhlihjnlmjenikbgmhgjkknoelfped - unknown browser extension
      • jngbikilcgcnfdbmnmnmnleeomffciml - unknown browser extension
      • hcjginnbdlkdnnahogchmeidnmfckjom - unknown browser extension
      • ogphgbfmhodmnmpnaadpbdadldbnmjji - unknown browser extension
      • hhmkpbimapjpajpicehcnmhdgagpfmjc - unknown browser extension
      • ojhpaddibjnpiefjkbhkfiaedepjheca - unknown browser extension
      • fmhjnpmdlhokfidldlglfhkkfhjdmhgl - unknown browser extension
      • gjhohodkpobnogbepojmopnaninookhj - unknown browser extension
      • hmglflngjlhgibbmcedpdabjmcmboamo - unknown browser extension
      • eklfjjkfpbnioclagjlmklgkcfmgmbpg - unknown browser extension
      • OKW Wallet
      • Nifty Wallet
      • EQUA Wallet
      • Jaxx Liberty
      • BitApp Wallet
      • Enkrypt Crypto Wallet
      • GuildWallet
      • Saturn Wallet
      • Rabby Wallet
      • Pontem Aptos Wallet
      • Martian Wallet
      • Nami Wallet
      • Petra Aptos Wallet
      • Sui Wallet
      • Exodus Web3 Wallet
      • SubWallet
      • Polkadot
      • Talisman
      • Crypto.com
      • BitClip
      • Steem Keychain
      • Nash Extension
      • Cyano
      • Byone
      • OneKey
      • UniSat Wallet
      • Zerion Wallet
      • Manta Wallet
      • Fluvi Wallet
      • Fuelet Wallet
      • Leo Wallet
      • Leap Cosmos Wallet
      • Venom Wallet
      • Argent X Starknet Wallet
      • Braavos - Starknet Wallet
      • Shell Wallet
      • Cirus
      • Sender Wallet
      • Pali Wallet
      • Fewcha Move Wallet
      • MultiversX Wallet
      • Leather
      • Carax Wallet
      • Backpack
      • Pockie Wallet
      • Koala Wallet
      • Yeti: Web3.0 Blockchain Wallet
      • BlockWallet
      • Gate Wallet
      • Suiet | Sui Wallet
      • Ethos Sui Wallet
      • Nightly
      • Morphis Wallet
      • Elli - Sui Wallet
      • XDEFI Wallet
      • Typhon Wallet
      • Eternl
      • Lace
      • Fire Wallet
      • Alby
      • Xverse Wallet
      • OsmWallet
      • EVER Wallet
      • KardiaChain Wallet
      • Brave Wallet
      • Oxygen
      • BoltX
      • MultiversX Wallet
      • Keeper Wallet
      • Solflare Wallet
      • Goby
      • Coinhub
      • Frontier Wallet
      • Glass wallet
      • Compass Wallet
      • HAVAH Wallet
      • Magic Eden Wallet

Stolen Information

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

  • https:\{BLOCKED}ko.biz

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

19.356.04

FIRST VSAPI PATTERN DATE:

22 May 2024

VSAPI OPR PATTERN File:

19.357.00

VSAPI OPR PATTERN Date:

23 May 2024

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.XXPE50FFF080

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

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 4

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.
  • %Temporary Internet Files%\Content.IE5\{Random Characters}\8921e7ad-5b9e-4fca-97e6-c631b2636cc9.txt
  • %Temporary Internet Files%\Content.IE5\{Random Characters}\up

Step 5

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.ACRSTEALER.A. 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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