Overview

overview

10

Static

static

8

Mozi.mtvlvaacu

linux_mipsel

10

Analysis

  • max time kernel
    0s
  • max time network
    165s
  • platform
    linux_mipsel
  • resource
    debian9-mipsel-en-20211208
  • submitted
    25-04-2022 23:31

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General

  • Target

    Mozi.mtvlvaacu

  • Size

    134KB

  • MD5

    3849f30b51a5c49e8d1546960cc206c7

  • SHA1

    61c74136534b826059c63221a2373dc0613a47b7

  • SHA256

    f6c97b1e2ed02578ca1066c8235ba4f991e645f89012406c639dbccc6582eec8

  • SHA512

    43d79293d1fbf716111c27e50df95a0860a0d706079625fa2b8a6b57c5ee06fa7b5b6b8c0acae33714a2181686426728513c990534e44b6f03a05dde0629ab86

Score
10/10
discoverypersistencesuricata

Malware Config

Signatures

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

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

    suricata
  • Contacts a large (6207) amount of remote hosts 1 TTPs

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

    discovery
  • 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.

  • Writes DNS configuration 1 TTPs 1 IoCs

    Writes data to DNS resolver config file.

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Modifies init.d 1 TTPs 1 IoCs

    Adds/modifies system service, likely for persistence.

    persistence
  • Reads system routing table 1 TTPs 1 IoCs

    Gets active network interfaces from /proc virtual filesystem.

  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • Reads system network configuration 1 TTPs 3 IoCs

    Uses contents of /proc filesystem to enumerate network settings.