General

  • Target

    e629334def73be9e166ecdd9d5d73d6be97ef7f7d16f05383892332acb324b73

  • Size

    300KB

  • Sample

    220305-2wxq9abbhl

  • MD5

    106a736477f5e6efc07bdea0249986f9

  • SHA1

    b8cb63180aad940b1356e310e9bcbfee30a028b5

  • SHA256

    e629334def73be9e166ecdd9d5d73d6be97ef7f7d16f05383892332acb324b73

  • SHA512

    85892182987a55f12a295c6bca9a4eb104b0a1c6c42670fa1b3ba274bfc7a3f2d522daea0022c09181c57cc1024ea21812300f189ef707e2dd66f775adbf3576

Malware Config

Targets

    • Target

      e629334def73be9e166ecdd9d5d73d6be97ef7f7d16f05383892332acb324b73

    • Size

      300KB

    • MD5

      106a736477f5e6efc07bdea0249986f9

    • SHA1

      b8cb63180aad940b1356e310e9bcbfee30a028b5

    • SHA256

      e629334def73be9e166ecdd9d5d73d6be97ef7f7d16f05383892332acb324b73

    • SHA512

      85892182987a55f12a295c6bca9a4eb104b0a1c6c42670fa1b3ba274bfc7a3f2d522daea0022c09181c57cc1024ea21812300f189ef707e2dd66f775adbf3576

    Score
    10/10
    • suricata: ET MALWARE Mirai Variant User-Agent (Outbound)

      suricata: ET MALWARE Mirai Variant User-Agent (Outbound)

    • suricata: ET MALWARE Mozi Botnet DHT Config Sent

      suricata: ET MALWARE Mozi Botnet DHT Config Sent

    • Modifies the Watchdog daemon

      Malware like Mirai modify the Watchdog to prevent it restarting an infected system.

    • Writes file to system bin folder

    • Modifies hosts file

      Adds to hosts file used for mapping hosts to IP addresses.

    • Writes DNS configuration

      Writes data to DNS resolver config file.

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Reads system routing table

      Gets active network interfaces from /proc virtual filesystem.

    • Reads system network configuration

      Uses contents of /proc filesystem to enumerate network settings.

    • Reads runtime system information

      Reads data from /proc virtual filesystem.

    • Writes file to tmp directory

      Malware often drops required files in the /tmp directory.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hijack Execution Flow

1
T1574

Boot or Logon Autostart Execution

1
T1547

Privilege Escalation

Hijack Execution Flow

1
T1574

Boot or Logon Autostart Execution

1
T1547

Defense Evasion

Impair Defenses

1
T1562

Hijack Execution Flow

1
T1574

Discovery

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

2
T1016

Command and Control

Dynamic Resolution

1
T1568

Tasks