Overview

overview

10

Static

static

10

jew.x86.elf

ubuntu-22.04-amd64

9

Sharing

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General

  • Target

    jew.x86.elf

  • Size

    56KB

  • Sample

    240701-z3wfnazeme

  • MD5

    50a5b547070afd28efdf4b9770e3a72b

  • SHA1

    d34e5ff36e8c0794de62a7383ad01e5e3158b772

  • SHA256

    8cb36b247d2d74503df79048a85a3abfafdeaf563b7daf6e4ae7324360010182

  • SHA512

    d3a8330d5ecbd8c37e5e5e0d3e782a949b1316090385af9a0ca8990f22cdbc772b91a112c1a0b88c1b4d89aaff7566d137f96f3285493502f4bb720218de6db5

  • SSDEEP

    1536:a5QoxX5EZuffRoBr74cHMMqd4KS+goFsbuoIpQIUl1r4DZgkgV1hh:aXxXyZuf5oBrEcSd4KZgoakQVfr4dgZH

Score
10/10
miraikurcdiscoverylinux

Malware Config

Extracted

Family

mirai

Botnet

KURC

Targets

    • Target

      jew.x86.elf

    • Size

      56KB

    • MD5

      50a5b547070afd28efdf4b9770e3a72b

    • SHA1

      d34e5ff36e8c0794de62a7383ad01e5e3158b772

    • SHA256

      8cb36b247d2d74503df79048a85a3abfafdeaf563b7daf6e4ae7324360010182

    • SHA512

      d3a8330d5ecbd8c37e5e5e0d3e782a949b1316090385af9a0ca8990f22cdbc772b91a112c1a0b88c1b4d89aaff7566d137f96f3285493502f4bb720218de6db5

    • SSDEEP

      1536:a5QoxX5EZuffRoBr74cHMMqd4KS+goFsbuoIpQIUl1r4DZgkgV1hh:aXxXyZuf5oBrEcSd4KZgoakQVfr4dgZH

    Score
    9/10
    discovery

    • Contacts a large (118147) 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 Watchdog functionality

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

    • Writes file to system bin folder

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

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 Discovery

2
T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks