TrojanSpy.MSIL.LUMMAC.B

 Analysis by: Carlos Villegas Madrid

 ALIASES:

Trojan.MSIL.Agent (IKARUS)

 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:

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.

It does not have any propagation routine.

It does not have any backdoor routine.

  TECHNICAL DETAILS

File Size:

4,070,496 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

31 Mar 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.

Installation

This Trojan Spy adds the following processes:

  • %System%\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA== → delays execution for 20 seconds
  • {Malware Path}\{Malware File Name}.exe

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

Propagation

This Trojan Spy does not have any propagation routine.

Backdoor Routine

This Trojan Spy does not have any backdoor routine.

Rootkit Capabilities

This Trojan Spy does not have rootkit capabilities.

Information Theft

This Trojan Spy gathers the following data:

  • Malware Build Number
  • Malware ID
  • HWID
  • Screen Resolution
  • Language
  • Computer Name
  • Physical Memory Installed

Stolen Information

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

  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.247/c2sock

Other Details

This Trojan Spy does the following:

  • It exfiltrates the following data from Google Chrome.
    • History
    • Login Data
    • Login Data For Account
    • Web Data
    • Network\Cookies
    • Local Storage\leveldb
    • Local Storage\leveldb
  • It exfiltrates the following data from Mozilla Firefox.
    • %appdata%\Mozilla\Firefox\Profiles
    • key4.db
    • cert9.db
    • formhistory.sqlite
    • cookies.sqlite
    • logins.json
    • places.sqlite
  • It exfiltrates data from the following appilication.
    • AnyDesk
      • .conf
      • %appdata%\AnyDesk
    • FileZilla
      • recentservers.xml
      • sitemanager.xml
    • KeePass
      • .kbdx
    • Steam
      • ssfn*
      • %programfiles%\Steam\config
    • Telegram
      • s*
  • It exfiltrates User Data found on the following Browsers.
    • Chrome
    • Chromium
    • Edge
    • Kometa
    • Opera Stable
    • Opera GX Stable
    • Opera Neon
    • Brave Software
    • Comodo
    • CocCoc
  • It exfiltrates data on the following crypto wallets.
    • Binance
    • Electrum
    • Ethereum
    • Exodus
    • Ledger Live
    • Atomic
    • Coinomi
    • Authy Desktop
    • Bitcoin core
    • JAXX New Version
  • It exfiltrates data found on the following mail client applications.
    • Windows Mail
      • %localappdata%\Microsoft\Windows Mail\Local Folders
      • .eml
    • The Bat!
      • %localappdata%\The Bat!
      • Mail Clients\The Bat\Local
        • .TBB
        • .TBN
        • .MSG
        • .EML
        • .MSB
        • .mbox
        • .ABD
        • .FLX
        • .TBK
        • .HBI
    • Thunderbird
      • %appdata%\Thunderbird\Profiles
    • PMAIL
      • .CNM
      • .PMF
      • .PMN
      • .PML
      • CACHE.PM
      • .WPM
      • .PM
      • .USR
    • Mailbird
      • Mail Clients\Mailbird
      • \MessageIndex
      • .db
    • eM Client
      • .dat
      • .dat-shm
      • .dat-wal
  • It exfiltrates the following Browser wallet extensions and 2FA appilications.
    • MetaMask
      • ejbalbakoplchlghecdalmeeeajnimhm
      • nkbihfbeogaeaoehlefnkodbefgpgknn
    • TronLink
      • ibnejdfjmmkpcnlpebklmnkoeoihofec
    • Ronin Wallet
      • fnjhmkhhmkbjkkabndcnnogagogbneec
    • Binance Chain Wallet
      • fhbohimaelbohpjbbldcngcnapndodjp
    • Yoroi
      • ffnbelfdoeiohenkjibnmadjiehjhajb
    • Nifty
      • jbdaocneiiinmjbjlgalhcelgbejmnid
    • Math
      • afbcbjpbpfadlkmhmclhkeeodmamcflc
    • Coinbase
      • hnfanknocfeofbddgcijnmhnfnkdnaad
    • Guarda
      • hpglfhgfnhbgpjdenjgmdgoeiappafln
    • EQUAL
      • blnieiiffboillknjnepogjhkgnoapac
    • Jaxx Liberty
      • cjelfplplebdjjenllpjcblmjkfcffne
    • BitApp
      • fihkakfobkmkjojpchpfgcmhfjnmnfpi
    • iWlt
      • kncchdigobghenbbaddojjnnaogfppfj
    • EnKrypt
      • kkpllkodjeloidieedojogacfhpaihoh
    • Wombat
      • amkmjjmmflddogmhpjloimipbofnfjih
    • MEW CX
      • nlbmnnijcnlegkjjpcfjclmcfggfefdm
    • Guild
      • nanjmdknhkinifnkgdcggcfnhdaammmj
    • Saturn
      • nkddgncdjgjfcddamfgcmfnlhccnimig
    • NeoLine
      • cphhlgmgameodnhkjdmkpanlelnlohao
    • Clover
      • nhnkbkgjikgcigadomkphalanndcapjk
    • Liquality
      • kpfopkelmapcoipemfendmdcghnegimn
    • Terra Station
      • aiifbnbfobpmeekipheeijimdpnlpgpp
    • Keplr
      • dmkamcknogkgcdfhhbddcghachkejeap
    • Sollet
      • fhmfendgdocmcbmfikdcogofphimnkno
    • Auro
      • cnmamaachppnkjgnildpdmkaakejnhae
    • Polymesh
      • jojhfeoedkpkglbfimdfabpdfjaoolaf
    • ICONex
      • flpiciilemghbmfalicajoolhkkenfel
    • Nabox
      • nknhiehlklippafakaeklbeglecifhad
    • KHC
      • hcflpincpppdclinealmandijcmnkbgn
    • Temple
      • ookjlbkiijinhpmnjffcofjonbfbgaoc
    • TezBox
      • mnfifefkajgofkcjkemidiaecocnkjeh
    • DAppPlay
      • lodccjjbdhfakaekdiahmedfbieldgik
    • BitClip
      • ijmpgkjfkbfhoebgogflfebnmejmfbml
    • Steem Keychain
      • lkcjlnjfpbikmcmbachjpdbijejflpcm
    • Nash Extension
      • onofpnbbkehpmmoabgpcpmigafmmnjhl
    • Hycon Lite Client
      • bcopgchhojmggmffilplmbdicgaihlkp
    • ZilPay
      • klnaejjgbibmhlephnhpmaofohgkpgkd
    • Coin98
      • aeachknmefphepccionboohckonoeemg
    • Authenticator
      • bhghoamapcdpbohphigoooaddinpkbai
    • Cyano
      • dkdedlpgdmmkkfjabffeganieamfklkm
    • Byone
      • nlgbhdfgdhgbiamfdfmbikcdghidoadd
    • OneKey
      • infeboajgfhgbjpjbeppbkgnabfdkdaf
    • Leaf
      • cihmoadaighcejopammfbmddcmdekcje
    • Authy
      • gaedmjdfmmahhbjefcbgaolhhanlaolb
    • EOS Authenticator
      • oeljdldpnmdbchonielidgobddffflal
    • GAuth Authenticator
      • ilgcnhelpchnceeipipijaljkblbcobl
    • Trezor Password Manager
      • imloifkgjagghnncjkhggdhalmcnfklk
    • Phantom
      • bfnaelmomeimhlpmgjnjophhpkkoljpa
  • It has a capability to delete itself after execution.

It does not exploit any vulnerability.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

18.392.02

FIRST VSAPI PATTERN DATE:

18 Apr 2023

VSAPI OPR PATTERN File:

18.393.00

VSAPI OPR PATTERN Date:

19 Apr 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.XXPE50FFF067

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

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.MSIL.LUMMAC.B. 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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