Overview

overview

9

Static

static

8

Mozi.mrvdviobj

linux_mips

9

Analysis

  • max time kernel
    11971s
  • max time network
    152s
  • platform
    linux_mips
  • resource
    debian9-mipsbe-en-20211208
  • submitted
    25-04-2022 23:25

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Mozi.mrvdviobj

  • Size

    300KB

  • MD5

    e30a81d66f18f07647397d1defbad11b

  • SHA1

    a7fd1a1d71f7f7b00886741db52c42af0c8873f1

  • SHA256

    b7ba5aa2f8f7781d408e87b2131fa2cc9b95cdf3460f9778229398c9e851772a

  • SHA512

    df7b274ac394ca1192019d35212b076d645e095050930a42342d32d7937b37a7981c19029ecb54d9390bd8a9ba91fb137d52e89b176891ac05809daa1a28b766

Score
9/10
discoverypersistence

Malware Config

Signatures

  • Contacts a large (19715) amount of remote hosts 1 TTPs

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

    discovery
  • Creates a large amount of network flows 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.

  • Looks up external IP address via web service 2 IoCs

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

  • Reads system network configuration 1 TTPs 3 IoCs

    Uses contents of /proc filesystem to enumerate network settings.