Overview

overview

10

Static

static

10

arm.elf

debian-9-armhf

9

Analysis

  • max time kernel
    137s
  • max time network
    152s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    10/03/2025, 00:49

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General

  • Target

    arm.elf

  • Size

    56KB

  • MD5

    cd0836bb76c0bd568a099e72ef83ffb3

  • SHA1

    5fd9da67c4a9bb21198ea620fbd8c88107f74af5

  • SHA256

    06cd477d71445530f3bb6ec717e553569719b20cdaac7243640a275f051af2d8

  • SHA512

    6efa322583111263f0b6a40e0d38fcf48f137b09cf0a6b46a3135a3ab285f9a14a8f45142b9f7182e80d9bb9b5af31df4106a89eae69d73fc21c45716608955c

  • SSDEEP

    1536:5Jh1jn5pDwijQ4bX4Hya5FMt5GljEi7sjVqXM:5Jh1TgsISagbGCKsjVWM

Score
9/10
credential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (162426) 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 Watchdog functionality 1 TTPs 2 IoCs

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

    defense_evasion
  • Renames itself 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

    discovery
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads process memory 1 TTPs 64 IoCs

    Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

    credential_access
  • Changes its process name 1 IoCs
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

    discovery
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/arm.elf
    /tmp/arm.elf
    1⤵
    • Modifies Watchdog functionality
    • Renames itself
    • Enumerates active TCP sockets
    • Reads process memory
    • Changes its process name
    • Reads system network configuration
    • Reads runtime system information
    PID:657

Network

MITRE ATT&CK Enterprise v15

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