Overview

overview

9

Static

static

1

gbhnj.arm7.elf

debian-12-armhf

9

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian12-armhf-20260513-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    24/05/2026, 15:25

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General

  • Target
    gbhnj.arm7.elf
  • Size 91KB
  • Sample260524-stxtssct4w
  • SHA256 599163df3c7bfa0e5495a557fab7e27ae27f701d500c7a0d3e641c0a5d39b56d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
credential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (124525) 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
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Writes file to system bin folder 1 IoCs
  • Reads process memory 1 TTPs 29 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
  • Enumerates kernel/hardware configuration 1 TTPs 3 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

    discovery
  • Reads runtime system information 29 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/gbhnj.arm7.elf
    /tmp/gbhnj.arm7.elf
    1⤵
    • Modifies Watchdog functionality
    • Writes file to system bin folder
    • Reads process memory
    • Changes its process name
    • Enumerates kernel/hardware configuration
    • Reads runtime system information
    PID:788

Network

        MITRE ATT&CK Enterprise v16

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