General

  • Target

    Mozi.mzhednqwh

  • Size

    132KB

  • Sample

    220425-3pxy4sddfn

  • MD5

    59ce0baba11893f90527fc951ac69912

  • SHA1

    5857a7dd621c4c3ebb0b5a3bec915d409f70d39f

  • SHA256

    4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7

  • SHA512

    c5b12797b477e5e5964a78766bb40b1c0d9fdfb8eef1f9aee3df451e3441a40c61d325bf400ba51048811b68e1c70a95f15e4166b7a65a4eca0c624864328647

Malware Config

Targets

    • Target

      Mozi.mzhednqwh

    • Size

      132KB

    • MD5

      59ce0baba11893f90527fc951ac69912

    • SHA1

      5857a7dd621c4c3ebb0b5a3bec915d409f70d39f

    • SHA256

      4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7

    • SHA512

      c5b12797b477e5e5964a78766bb40b1c0d9fdfb8eef1f9aee3df451e3441a40c61d325bf400ba51048811b68e1c70a95f15e4166b7a65a4eca0c624864328647

    • suricata: ET MALWARE JAWS Webserver Unauthenticated Shell Command Execution

      suricata: ET MALWARE JAWS Webserver Unauthenticated Shell Command Execution

    • 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

    • Contacts a large (14139) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • 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.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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

Network Service Scanning

2
T1046

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

2
T1016

Command and Control

Dynamic Resolution

1
T1568

Tasks