Overview

overview

10

Static

static

10

splarm7.elf

debian-12-armhf

9

Analysis

  • max time kernel
    149s
  • max time network
    162s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20240221-en
  • resource tags

    arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    10-02-2025 22:07

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General

  • Target

    splarm7.elf

  • Size

    77KB

  • MD5

    4d429e9531500278962d92ad8fad2bf2

  • SHA1

    f5ab96d0a296261444e49329d6f46cf135c1188d

  • SHA256

    60c0b18a8e8e5c7f8e3a50d07e478fadc722fdcdfd90075ffe4434a47cd95776

  • SHA512

    ef7726631b7f38a3e483c22255422b49dea977ec6fa5a9a6f0432faa51b544f5b895a42b0cf8a27fbd47707f129d761004e4d19bda9dc0dd8c555c836d6ef213

  • SSDEEP

    1536:txn7gLqXIQHj0jLwdeNyQ6F1A4//Sc9hg998zAVy9r2UQ5dlruit+sG2z:QLgIZjLqeNCT//SKIyzAVy9r2td+sB

Score
9/10
credential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (66133) 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
  • 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.

  • 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 6 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 30 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/splarm7.elf
    /tmp/splarm7.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:708

Network

MITRE ATT&CK Enterprise v15

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