Overview

overview

9

Static

static

8

Mozi.mdfwsuhvy

linux_mips

9

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General

  • Target

    Mozi.mdfwsuhvy

  • Size

    106KB

  • Sample

    220425-2tzstsgaa7

  • MD5

    4dde761681684d7edad4e5e1ffdb940b

  • SHA1

    2327be693bc11a618c380d7d3abc2382d870d48b

  • SHA256

    d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8

  • SHA512

    91a61c719128f263f9f95736d55895954cc468c74ff469ee061d35ec382c50b9165e9a5427dc46a835dac6ae0e6e1f9819632475f68b98a907b53196bd4eb02a

Score
9/10
discoverylinuxpersistence

Malware Config

Targets

    • Target

      Mozi.mdfwsuhvy

    • Size

      106KB

    • MD5

      4dde761681684d7edad4e5e1ffdb940b

    • SHA1

      2327be693bc11a618c380d7d3abc2382d870d48b

    • SHA256

      d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8

    • SHA512

      91a61c719128f263f9f95736d55895954cc468c74ff469ee061d35ec382c50b9165e9a5427dc46a835dac6ae0e6e1f9819632475f68b98a907b53196bd4eb02a

    Score
    9/10
    discoverypersistence

    • Contacts a large (4681) amount of remote hosts

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

      discovery

    • 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.

      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.

      discovery

    • Reads system network configuration

      Uses contents of /proc filesystem to enumerate network settings.

    • Writes file to tmp directory

      Malware often drops required files in the /tmp directory.

    behavioral1

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Defense Evasion

Discovery

System Network Configuration Discovery

2
T1016

Network Service Scanning

2
T1046

System Network Connections Discovery

1
T1049

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Tasks