Author: Francesca Villasanta   
 

UDS: Trojan-Banker.Win64.Emotet.cmtd (KASPERSKY); Trojan:Win64/Emotetcrypt.ME!MTB (MICROSOFT)

 PLATFORM:

Windows

 OVER ALL RISK RATING:
 DAMAGE POTENTIAL::
 DISTRIBUTION POTENTIAL::
 REPORTED INFECTION:
 INFORMATION EXPOSURE:
Low
Medium
High
Critical

  • Threat Type:
    Trojan Spy

  • Destructiveness:
    No

  • Encrypted:
     

  • In the wild::
    Yes

  OVERVIEW

INFECTION CHANNEL: 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.

  TECHNICAL DETAILS

File size: 559574528 bytes
File type: DLL
Memory resident: No
INITIAL SAMPLES RECEIVED DATE: 24 marca 2023
PAYLOAD: Connects to URLs/IPs, Modifies system registry, 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

Agrega las carpetas siguientes:

  • %System%\{random}
  • %AppDataLocal%\{random}

(Nota: %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).

)

Infiltra y ejecuta los archivos siguientes:

  • %System%\{random}\{random characters}.dll
  • %AppDataLocal%\{random}\{random characters}.dll

(Nota: %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).

)

Agrega los procesos siguientes:

  • %System%\regsvr32.exe "%System%\{random}\{random characters}.dll"
  • %System%\regsvr32.exe "%AppDataLocal%\{random}\{random characters}.dll"

(Nota: %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

It connects to the following possibly malicious URL:

  • {BLOCKED}.{BLOCKED}.{BLOCKED}.146:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.93:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.124:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.120:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.198:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.27:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.56:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.3:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.162:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.152:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.25:7080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.25:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.76:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.154:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.28:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.149:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.5:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.244:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.199:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.50:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.166:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.2:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.186:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.86:4143
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.30:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.91:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.47:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.31:7080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.56:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.88:80
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.165:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.65:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.143:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.33:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.15:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.137:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.26:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.10:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.249:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.224:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.75:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.120:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.162:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.232:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.34:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.217:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.165:8080
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.41:443
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.3:8080

  SOLUTION

Minimum scan engine: 9.800
First VSAPI Pattern File: 18.368.08
First VSAPI Pattern Release Date: 07 de kwietnia de 2023
VSAPI OPR PATTERN-VERSION: 18.369.00
VSAPI OPR PATTERN DATE: 08 de kwietnia de 2023

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

Search and delete files detected as TrojanSpy.Win64.EMOTET.FCA

[ learnMore ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.  
  • %System%\{Random}\{Random characters}.dll
  • %AppDataLocal%\{Random}\{Random characters}.dll

Step 4

Search and delete these folders

[ learnMore ]
Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden folders in the search result.
  • %System%\{Random}
  • %AppDataLocal%\{Random}

Step 5

Explorar el equipo con su producto de Trend Micro para limpiar los archivos detectados como TrojanSpy.Win64.EMOTET.FCA 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.


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