Overview

overview

10

Static

static

1

arm7.elf

debian-9-armhf

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    arm7.elf

  • Size

    61KB

  • Sample

    230428-nz5z5sdg33

  • MD5

    621c71f6899c664012a9b9e34803aa53

  • SHA1

    e6c65c8bdc5dccdeec675be827f8dd696bd52f82

  • SHA256

    d890549a424bd598e80fea74f44957f5e77f0e7c425d7594461133d4ae1c2df4

  • SHA512

    f66e1b95114c1bd3b963d1a58ae07d92c00b032945cf1b3ae8457b8be089004f03867d936070742d31d392a1858712a211207b3a0de1ecfb6012616312f2bbe4

  • SSDEEP

    1536:W6xKsW0wex1YXGouMIMDBzZejugDdo/SC8ct:WmjWotMVZEG/cct

Score
10/10
miraikytonbotnetdiscovery

Malware Config

Extracted

Family

mirai

Botnet

KYTON

Targets

    • Target

      arm7.elf

    • Size

      61KB

    • MD5

      621c71f6899c664012a9b9e34803aa53

    • SHA1

      e6c65c8bdc5dccdeec675be827f8dd696bd52f82

    • SHA256

      d890549a424bd598e80fea74f44957f5e77f0e7c425d7594461133d4ae1c2df4

    • SHA512

      f66e1b95114c1bd3b963d1a58ae07d92c00b032945cf1b3ae8457b8be089004f03867d936070742d31d392a1858712a211207b3a0de1ecfb6012616312f2bbe4

    • SSDEEP

      1536:W6xKsW0wex1YXGouMIMDBzZejugDdo/SC8ct:WmjWotMVZEG/cct

    Score
    10/10
    miraikytonbotnetdiscovery

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

      botnetmirai

    • Contacts a large (95183) amount of remote hosts

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

      discovery

    • Creates a large amount of network flows

      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

    • Changes its process name

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Reads system network configuration

      Uses contents of /proc filesystem to enumerate network settings.

    • Reads runtime system information

      Reads data from /proc virtual filesystem.

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hijack Execution Flow

1
T1574

Privilege Escalation

Hijack Execution Flow

1
T1574

Defense Evasion

Impair Defenses

1
T1562

Hijack Execution Flow

1
T1574

Credential Access

Discovery

Network Service Scanning

2
T1046

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks