Overview

overview

10

Static

static

7

x86.elf

ubuntu-18.04-amd64

10

Analysis

  • max time kernel
    152s
  • max time network
    154s
  • platform
    linux_amd64
  • resource
    ubuntu1804-amd64-en-20211208
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-en-20211208kernel:4.15.0-161-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    30-04-2023 21:00

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General

  • Target

    x86.elf

  • Size

    34KB

  • MD5

    a0035af8d827c209a89cea5ae60d5110

  • SHA1

    a25665b7268adcca0619acff19055053da6c64f0

  • SHA256

    4beb12afef07d5bbe0049879a09a72309e63f75cf8f3d11bb9f092f7c56b0982

  • SHA512

    5f773ac1679ece6d45848891f4a0d306a65ea1957f3bee0475a84e0eadf32f480c7975ce3a6ee953aaedc8e9430975517a1f007006316a4a8254eb179a72b9d6

  • SSDEEP

    768:dDHUts8wX6+D1UCjLVyghoa0m5Budg8OGbn5/QenbcuyD7UGQRjF:d4uCW1J3ogaCuOoz9Qenouy8Gy5

Score
10/10
miraikytonbotnetdiscovery

Malware Config

Extracted

Family

mirai

Botnet

KYTON

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

    botnetmirai
  • Contacts a large (103353) 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 1 IoCs
  • Changes its process name 1 IoCs
  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 1 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/x86.elf
    /tmp/x86.elf
    1⤵
    • Changes its process name
    PID:581

Network

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

Replay Monitor

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Downloads

  • memory/581-1-0x0000000008048000-0x0000000008060bc4-memory.dmp
    Download