Overview

overview

10

Static

static

10

i686

ubuntu-18.04-amd64

10

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General

  • Target
    i686
  • Size 77KB
  • Sample260730-w3ldxavdpe
  • SHA256 2ebbb2ae9cdaa83e2ad312df4643c5e2cec07acec56b81838bb53c20bf4adc89
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
miraimiraibotnetdefense_evasiondiscoverylinuxpersistenceprivilege_escalation

Malware Config

Extracted

Family

  • mirai

Botnet

  • MIRAI

Targets

    • Target
      i686
    • Size 77KB
    • SHA256 2ebbb2ae9cdaa83e2ad312df4643c5e2cec07acec56b81838bb53c20bf4adc89
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    botnetmiraidefense_evasiondiscoverymiraipersistenceprivilege_escalation

    • Family: Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

      botnetmirai

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

      defense_evasion

    • Deletes itself

    • Executes dropped EXE

    • Modifies systemd

      Adds/ modifies systemd service files. Likely to achieve persistence.

      persistenceprivilege_escalation

    • Removes the immutable protection flag from a file

      Uses chattr to remove the immutable flag from a file, allowing previously write-protected files to be modified or deleted.

    • Write file to user bin folder

      persistence
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks