Overview

overview

10

Static

static

10

fb531b9c8d...c3.elf

debian-9-armhf

9

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240418-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    07/03/2025, 08:28

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General

  • Target

    fb531b9c8d62d2e4fefe7e86921942555154d85d70648af680cb71118885ecc3.elf

  • Size

    60KB

  • MD5

    0c58e9115cbf70013b03892f6d214034

  • SHA1

    b50ba301b902ef18102298d65cf2cf486b364caa

  • SHA256

    fb531b9c8d62d2e4fefe7e86921942555154d85d70648af680cb71118885ecc3

  • SHA512

    6bccbdaf65560ed1d8af2fd9ec9aa19101f1966054642da3306881de425f919d9669b0e8f44064137647509f469f125c9777fce4c51fd25436275d2b8685dd2f

  • SSDEEP

    1536:VxnH8q55qmevnpejyx2s+uJPQ7hkulqDJllt6iJSjiyg:oq55qmCQjyx23uJPQ7hkuQ71Sj5g

Score
9/10
credential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (14699) 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 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/fb531b9c8d62d2e4fefe7e86921942555154d85d70648af680cb71118885ecc3.elf
    /tmp/fb531b9c8d62d2e4fefe7e86921942555154d85d70648af680cb71118885ecc3.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:648

Network

MITRE ATT&CK Enterprise v15

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