Overview

overview

10

Static

static

7

z3hir.arm7.elf

debian-9-armhf

10

Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    linux_armhf
  • resource
    debian9-armhf-en-20211208
  • resource tags

    arch:armhfimage:debian9-armhf-en-20211208kernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    01-05-2023 09:50

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General

  • Target

    z3hir.arm7.elf

  • Size

    52KB

  • MD5

    0b01a77e5cbd3e573c68ebbeea78c613

  • SHA1

    a051da0fb9a61ec5cff51cf4aee2fd2fc5c24b22

  • SHA256

    00ed53cef3499c5947e3b387dee128fa87927e9ed87d997ab1cb2e4ee5b9aa69

  • SHA512

    d4767b2ee3b878c64293c177ed97e3b81ebd5a476bdf707be628dd962138328dc1c81bc2cfff11207c3d8a5342ebd4b11e7d7703132aac5fee5e6440ebe855b4

  • SSDEEP

    1536:bOIlMtSFSIhqUXKpdhi41Hf/ZVxLv8WHE:bOmMoBlapbief/ZrLFE

Score
10/10
miraiunstbotnetdiscovery

Malware Config

Extracted

Family

mirai

Botnet

UNST

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

    botnetmirai
  • Contacts a large (18942) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Modifies the Watchdog daemon 1 TTPs

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

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 35 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/z3hir.arm7.elf
    /tmp/z3hir.arm7.elf
    1⤵
    • Reads runtime system information
    PID:367

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

1
T1562

Credential Access

Discovery

Network Service Scanning

2
T1046

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/367-1-0x00008000-0x000298e0-memory.dmp
    Download