Analysis

  • max time kernel
    0s
  • max time network
    17s
  • platform
    linux_mips
  • resource
    debian9-mipsbe
  • submitted
    19-07-2021 15:02

General

  • Target

    Mozi.m

  • Size

    300KB

  • MD5

    e957309c9cb381574c622b2d2a6798c0

  • SHA1

    3589d0f624deb034ad2ac15cb1f1f0f0fde10908

  • SHA256

    54dfe49f5b114030c318eb1be2d86bdcfac3e10d730b08631028f992fc92c9d0

  • SHA512

    a1abd5f2aba76d3fdfa6404ea4a7b88513b42b9dbe3870ec30f0fba488a06a2db3feea12b4052cd82023d7a810cac16061f4ecf9764beea2260633769de2de67

Score
9/10

Malware Config

Signatures

  • Modifies the Watchdog daemon 1 TTPs

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

  • Writes file to system bin folder 1 TTPs 2 IoCs
  • Modifies hosts file 1 IoCs

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

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Reads system routing table 1 TTPs 1 IoCs

    Gets active network interfaces from /proc virtual filesystem.

  • Reads system network configuration 1 TTPs 3 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 1 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • ./Mozi.m
    ./Mozi.m
    1⤵
    • Enumerates active TCP sockets
    • Reads system network configuration
    • Reads runtime system information
    PID:327
  • /bin/sh
    sh -c "killall -9 telnetd utelnetd scfgmgr"
    1⤵
      PID:330

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Hijack Execution Flow

    1
    T1574

    Privilege Escalation

    Hijack Execution Flow

    1
    T1574

    Defense Evasion

    Impair Defenses

    1
    T1562

    Hijack Execution Flow

    1
    T1574

    Discovery

    System Network Connections Discovery

    1
    T1049

    System Network Configuration Discovery

    2
    T1016

    Replay Monitor

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    Downloads