Overview

overview

10

Static

static

10

nabarm7.elf

debian-12-armhf

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian12-armhf-20240729-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    10/03/2025, 01:02

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General

  • Target

    nabarm7.elf

  • Size

    60KB

  • MD5

    e8a362d641d2e6731de6739d4d7fbacf

  • SHA1

    fb1f1f0c16c83d1ab1180c30148e5c8c0a3ea3d6

  • SHA256

    cac6898b9cb1e97496358cc433e8f2bbc028d06612cd8d4e2014e7c67f974e03

  • SHA512

    51f921ce1a3e4f0ddfd2011db1070b0eff254f3e410eeb96788acec78532893cc82925dd6db5c8d754c5241a9b2ac7129ba9668e99edf0b3cff3e28aa83c4206

  • SSDEEP

    1536:NNnP0a4ygi0cghk7e73TNnbnPL0jx0OqOllFKi7GahJK:Ma4ygi0vhv73TNbnPL0jx0CfGahk

Score
9/10
credential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (14814) amount of remote hosts 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.

  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • 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 2 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/nabarm7.elf
    /tmp/nabarm7.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:696

Network

MITRE ATT&CK Enterprise v15

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