Overview

overview

10

Static

static

7

b04b96ac6e...a0.elf

debian-9-armhf

10

Sharing

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General

  • Target

    b04b96ac6e8c35c9292f72995da85fbbec500de6f322625aea2e726ff3ed36a0.elf

  • Size

    67KB

  • Sample

    240423-b4nv7sbb53

  • MD5

    4a720ce186ce84344d293eec98cedc3b

  • SHA1

    793839296872c384d3e36aeb7ac842161932dd98

  • SHA256

    b04b96ac6e8c35c9292f72995da85fbbec500de6f322625aea2e726ff3ed36a0

  • SHA512

    0cb1edd1ff6ddba105266322e02d68dcc4d1bd3d7e2ec77cad699d47bd862bfc363dd4f1df8ad276aff351e3b05751e54cb15ab73993df55c72edf7f56d66d6b

  • SSDEEP

    1536:/xPrSYCpzLm+V0X6Bv7OKOfsxJ0BP2z8blulNj3iARPnI9FtR:pGPpz/SJ/BBmClyVil9jR

Score
10/10
miraiunstablebotnetdiscoverypersistenceupx

Malware Config

Extracted

Family

mirai

Botnet

UNSTABLE

C2

jswl.bzwl888.sbs

Targets

    • Target

      b04b96ac6e8c35c9292f72995da85fbbec500de6f322625aea2e726ff3ed36a0.elf

    • Size

      67KB

    • MD5

      4a720ce186ce84344d293eec98cedc3b

    • SHA1

      793839296872c384d3e36aeb7ac842161932dd98

    • SHA256

      b04b96ac6e8c35c9292f72995da85fbbec500de6f322625aea2e726ff3ed36a0

    • SHA512

      0cb1edd1ff6ddba105266322e02d68dcc4d1bd3d7e2ec77cad699d47bd862bfc363dd4f1df8ad276aff351e3b05751e54cb15ab73993df55c72edf7f56d66d6b

    • SSDEEP

      1536:/xPrSYCpzLm+V0X6Bv7OKOfsxJ0BP2z8blulNj3iARPnI9FtR:pGPpz/SJ/BBmClyVil9jR

    Score
    10/10
    miraiunstablebotnetdiscoverypersistence

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

      botnetmirai

    • Contacts a large (214556) 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.

    • 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