Overview

overview

10

Static

static

10

i586

ubuntu-18.04-amd64

10

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General

  • Target
    i586
  • Size 73KB
  • Sample260730-w277aavdme
  • SHA256 460683578b9df651bfbd362cefc73e1d3afb815a8a0af06b646a2d0a585df9d2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
miraimiraibotnetdefense_evasiondiscoverylinuxpersistenceprivilege_escalation

Malware Config

Extracted

Family

  • mirai

Botnet

  • MIRAI

Targets

    • Target
      i586
    • Size 73KB
    • SHA256 460683578b9df651bfbd362cefc73e1d3afb815a8a0af06b646a2d0a585df9d2
    • 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