Análisis realizado por : Patrick Noel Collado   

 Alias

DDoS:Linux/Lightaidra (Microsoft), HEUR:Backdoor.Linux.Gafgyt.af (Kaspersky)

 Plataforma:

Linux

 Riesgo general:
 Potencial de destrucción:
 Potencial de distribución:
 Infección divulgada:
 Revelación de la información:
Bajo
Medio
High
Crítico

  • Tipo de malware
    Backdoor

  • Destructivo?
    No

  • Cifrado
     

  • In the Wild:

  Resumen y descripción

Canal de infección Descargado de Internet

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

Ejecuta comandos desde un usuario remoto malicioso que pone en peligro el sistema afectado.

  Detalles técnicos

Tamaño del archivo 212,659 bytes
Residente en memoria
Fecha de recepción de las muestras iniciales 12 Oct 2020
Carga útil Connects to URLs/IPs

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.

Rutina de puerta trasera

Ejecuta los comandos siguientes desde un usuario remoto malicioso:

  • PING
  • TELNET
    • - Has additional arguments:
      • "ON"
        • Uses a set of credentials to bruteforce:
          • Username:
            • "telnet"
            • "root"
            • "admin"
          • Password:
            • "telnet"
            • "root"
            • "1234"
            • "12345"
            • "oelinux123"
            • "admin"
            • "vizxv"
        • If connected successfully, it would try to:
          • Send busybox payload
          • Delete temp directories
      • "OFF"
        • Does not bruteforce
      • "FASTLOAD"
        • Same with "ON" but more optimized and can set number of threads and wait time
  • MIRAI
    • Has additional arguments:
      • "ON"
        • Uses a set of credentials to bruteforce:
          • Username:
            • "root"
            • "admin"
            • "support"
            • "user"
            • "Administrato"
            • "service"
            • "supervisor"
            • "guest"
            • "admin1"
            • "administrator"
            • "666666"
            • "888888"
            • "ubnt"
            • "klv1234"
            • "Zte521"
            • "hi3518"
            • "jvbzd"
            • "anko"
            • "zlxx"
            • "7ujMko0vizxv"
            • "7ujMko0admin"
            • "system"
            • "ikwb"
            • "dreambox"
            • "realtek"
            • "00000000"
            • "1111111"
            • "1234"
            • "12345"
            • "54321"
            • "123456"
            • "pass"
            • "meinsm"
            • "tech"
            • "fucker"
          • Password:
            • "xc3511"
            • "vizxv"
            • "admin"
            • "admin"
            • "888888"
            • "xmhdipc"
            • "default"
            • "juantech"
            • "123456"
            • "54321"
            • "support"
            • "" root
            • "password"
            • "root"
            • "12345"
            • "user"
            • ""
            • "pass"
            • "admin1234"
            • "1111"
            • "smcadmin"
            • "1111"
            • "666666"
            • "password"
            • "1234"
            • "klv123"
            • "admin"
            • "service"
            • "supervisor"
            • "guest"
            • "12345"
            • "12345"
            • "password"
            • "1234"
            • "666666"
            • "888888"
            • "ubnt"
            • "klv1234"
            • "Zte521"
            • "hi3518"
            • "jvbzd"
            • "anko"
            • "zlxx"
            • "7ujMko0vizxv"
            • "7ujMko0admin"
            • "system"
            • "ikwb"
            • "dreambox"
            • "user"
            • "realtek"
            • "00000000"
            • "1111111"
            • "1234"
            • "12345"
            • "54321"
            • "123456"
            • "7ujMko0admin"
            • "1234"
            • "pass"
            • "meinsm"
            • "tech"
            • "fucker"
        • If connected successfully, it would try to:
          • Send busybox payload
          • Delete temp directories
      • "OFF"
        • Does not bruteforce
      • "FASTLOAD"
        • Same with "ON" but more optimized and can set number of threads and wait time
  • PYTHON
    • Has additional arguments:
      • "INSTALL"
        • Installs a python file named scan.py then clears history
        • Connects to the following URL for the installation:
        • http://{BLOCKED}.{BLOCKED}.159]60/scan.py then saves it to the /etc/.../ directory
      • "UPDATE"
        • Updates the file scan.py then clears history
      • "OFF"
        • Terminates python processes
      • "1"
        • Executes the file 'scan.py' with "119.93.x.x" as the parameter where x.x is any of the following values listed below
      • "2"
        • Executes the file 'scan.py' with "91.98.x.x" as the parameter where x.x is any of the following values listed below
      • "3"
        • Executes the file 'scan.py' with "118.173.x.x" as the parameter where x.x is any of the following values listed below
      • "4"
        • Executes the file 'scan.py' with "91.99.x.x" as the parameter where x.x is any of the following values listed below
      • "5"
        • Executes the file 'scan.py' with "92.99.x.x"as the parameter where x.x is any of the following values listed below
    • List of IPs (x.x values)
      • "5.78"
      • "49.150"
      • "91.98"
      • "91.99"
      • "101.108"
      • 101.109"
      • "119.93"
      • "122.3"
      • "122.52"
      • "122.54"
      • "124.104"
      • "124.105"
      • "124.106"
      • "124.107"
      • "125.25"
      • "125.26"
      • "125.27"
      • "125.2"
  • HTTP
    • HTTP Flood
  • UDP
    • UDP Flood
  • TCP
    • TCP Flood
  • STD
    • STD Flood
  • KILLATTK
    • Terminates the following processes:
      • "mips",
      • "mipsel",
      • "sh4",
      • "x86",
      • "i686",
      • "ppc",
      • "i586",
      • "i586",
      • "jack*",
      • "hack*",
      • "arm*"
      • "tel*"
      • "b1",
      • "b2",
      • "b3",
      • "b4",
      • "b5",
      • "b6",
      • "b7",
      • "b8",
      • "b9",
      • "lol*",
      • "busybox*",
      • "badbox*",
      • "DFhxdhdf",
      • "dvrHelper",
      • "FDFDHFC",
      • "FEUB",
      • "FTUdftui",
      • "GHfjfgvj",
      • "jhUOH",
      • "JIPJIPJj",
      • "JIPJuipjh",
      • "kmyx86_64",
      • "lolmipsel",
      • "mips",
      • "mipsel",
      • "RYrydry",
      • "TwoFace*",
      • "UYyuyioy",
      • "wget",
      • "x86_64",
      • "XDzdfxzf",
      • "xx*",
      • "sh",
      • "1",
      • "2",
      • "3",
      • "4",
      • "5",
      • "6",
      • "7",
      • "8",
      • "9",
      • "10",
      • "11",
      • "12",
      • "13",
      • "14",
      • "15",
      • "16",
      • "17",
      • "18",
      • "19",
      • "20",
      • "busybox",
      • "badbox",
      • "Mirai*",
      • "mirai*",
      • "cunty*",
      • "IoT*"
  • LOLNOGTFO
    • Terminates itself
  • UPDATE
    • Updates itself to the latest version

  Soluciones

Motor de exploración mínimo 9.800
Primer archivo de patrones de VSAPI 16.284.04
Primera fecha de publicación de patrones de VSAPI 13 de octubre de 2020
Versión de patrones OPR de VSAPI 16.285.00
Fecha de publicación de patrones OPR de VSAPI 14 de octubre de 2020

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