Overview

overview

10

Static

static

7

da1d433afa...55.elf

ubuntu-20.04-amd64

10

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General

  • Target

    da1d433afa683296027ab2c6157e561104580f280b3852d9fe521c2300fc8555.elf

  • Size

    39KB

  • Sample

    240423-ce6v6abd33

  • MD5

    478d56c74bb9537a394d0fbe1be36ef5

  • SHA1

    d506a5a5857d875809bf8ba8c237a09dc60e99ec

  • SHA256

    da1d433afa683296027ab2c6157e561104580f280b3852d9fe521c2300fc8555

  • SHA512

    92d13d34959b07f036b3d2345e42a7daa207911be5378d9cadb0d2debe31c5bb629ee5c95a5150a55cdef0ad45eeeb1da5c7166e4ab58604d84cbe1cbc7bc3f0

  • SSDEEP

    768:2lz7A+CG5hCYoLXhXwskN6946kyaS4/JOUrMFXW5zVj7Y2kw7U0y84unbcuyD7Uj:+vAjmhCYodXb2HxJBGXgzVpkw78unou1

Score
10/10
miraiunstablebotnetdiscoveryinfostealerlinuxpersistenceupx

Malware Config

Extracted

Family

mirai

Botnet

UNSTABLE

C2

jswl.bzwl888.sbs

Targets

    • Target

      da1d433afa683296027ab2c6157e561104580f280b3852d9fe521c2300fc8555.elf

    • Size

      39KB

    • MD5

      478d56c74bb9537a394d0fbe1be36ef5

    • SHA1

      d506a5a5857d875809bf8ba8c237a09dc60e99ec

    • SHA256

      da1d433afa683296027ab2c6157e561104580f280b3852d9fe521c2300fc8555

    • SHA512

      92d13d34959b07f036b3d2345e42a7daa207911be5378d9cadb0d2debe31c5bb629ee5c95a5150a55cdef0ad45eeeb1da5c7166e4ab58604d84cbe1cbc7bc3f0

    • SSDEEP

      768:2lz7A+CG5hCYoLXhXwskN6946kyaS4/JOUrMFXW5zVj7Y2kw7U0y84unbcuyD7Uj:+vAjmhCYodXb2HxJBGXgzVpkw78unou1

    Score
    10/10
    miraiunstablebotnetdiscoveryinfostealerpersistence

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

      botnetmirai

    • Contacts a large (212295) 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.

    • Reads EFI boot settings

      Reads EFI boot settings from the efivars filesystem, may contain security secrets or sensitive data.

      infostealer

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies systemd

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

      persistence

    • Writes file to system bin folder

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Hijack Execution Flow

1
T1574

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Hijack Execution Flow

1
T1574

Defense Evasion

Impair Defenses

1
T1562

Hijack Execution Flow

1
T1574

Credential Access

Discovery

Network Service Discovery

2
T1046

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks