Overview

overview

8

Static

static

1

tadashi.arm7

debian-12-armhf

8

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • 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
    09/10/2026, 18:28

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General

  • Target
    tadashi.arm7
  • Size 278KB
  • Sample261009-w4mncsde52
  • SHA256 a96874d626135f7cb4b1f6727275f5109442e39800299b91376fe22af870aac2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
antivmcredential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Traces remote process 2 IoCs
  • Modifies Watchdog functionality 1 TTPs 1 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

    defense_evasion
  • 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 network interface configuration 2 TTPs 5 IoCs

    Fetches information about one or more active network interfaces.

    discovery
  • Reads process memory 1 TTPs 4 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 8 IoCs
  • Checks CPU configuration 1 TTPs 1 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

    antivm
  • 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
  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/tadashi.arm7
    /tmp/tadashi.arm7
    1⤵
    • Traces remote process
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Reads network interface configuration
    • Reads process memory
    • Changes its process name
    • Checks CPU configuration
    • Reads system network configuration
    • Reads runtime system information
    • Writes file to tmp directory
    PID:782

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        .l.so.0
        • Path /tmp/.l.so.0
        • Size 1B
        • SHA256 620bfdaa346b088fb49998d92f19a7eaf6bfc2fb0aee015753966da1028cb731
        • MD5 SHA1 SHA512
        Submit Download

        .so
        • Path /var/tmp/.so
        • Size 1B
        • SHA256 6e340b9cffb37a989ca544e6bb780a2c78901d3fb33738768511a30617afa01d
        • MD5 SHA1 SHA512
        Submit Download