Overview

overview

10

Static

static

10

chromek.elf

ubuntu-18.04-amd64

7

Sharing

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General

  • Target
    chromek.elf
  • Size 73KB
  • Sample260612-g593qaav3l
  • SHA256 ca5f7485a5d0474576f9f108e47013cb450f13b8e853032f8df21aeb8972b662
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
miraijoshobotnetcredential_accessdefense_evasiondiscoverylinux

Malware Config

Extracted

Family

  • mirai

Botnet

  • JOSHO

Targets

    • Target
      chromek.elf
    • Size 73KB
    • SHA256 ca5f7485a5d0474576f9f108e47013cb450f13b8e853032f8df21aeb8972b662
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    credential_accessdefense_evasiondiscovery

    • Modifies Watchdog functionality

      Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

      defense_evasion

    • Traces itself

      Traces itself to prevent debugging attempts

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Reads process memory

      Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

      credential_access
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks