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Overview

overview

10

Static

static

10

nabarm7.elf

debian-9-armhf

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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
    10/02/2025, 21:52

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General

  • Target

    nabarm7.elf

  • Size

    59KB

  • MD5

    2eaa6481a4574e2febc2667ecd5dff69

  • SHA1

    5c0f44e0540f2c15b63434207153e7b820338261

  • SHA256

    f2f07c141660579b1ae7f8c6599af3009ff46b5a415a253a65c9e49978b0c080

  • SHA512

    aa32d40ade89ec29c6b1a5a5bf168e3392fa6a07b7c65874968f1b209dd95263e7b0954701a71a65d486236c57c312b9750c2caf12409325c2bd0a68420bef77

  • SSDEEP

    1536:1hn7qJHYmrXT8ee7SZWXI2JVnQVrAz1qallWRit++Uv:oHYm7xe7SZ0/JVnQVrAzeu++2

Score
9/10
credential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (14595) amount of remote hosts 1 TTPs

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

    discovery
  • Deletes itself 1 IoCs
  • 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 2 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 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/nabarm7.elf
    /tmp/nabarm7.elf
    1⤵
    • Deletes itself
    • 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:644

Network

MITRE ATT&CK Enterprise v15

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