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Overview

overview

10

Static

static

10

splmpsl.elf

debian-12-mipsel

9

Analysis

  • max time kernel
    141s
  • max time network
    156s
  • platform
    debian-12_mipsel
  • resource
    debian12-mipsel-20240221-en
  • resource tags

    arch:mipselimage:debian12-mipsel-20240221-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
  • submitted
    01/02/2025, 13:42

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General

  • Target

    splmpsl.elf

  • Size

    74KB

  • MD5

    307165bfa9fdd0f10ddc4ce2b02116b6

  • SHA1

    916398aef92071b40dd16d3512c2fc365e71a0f3

  • SHA256

    373bfd3607320c5a7019353e020b6f6f00e035671ef75d76473ca5c92577e102

  • SHA512

    26c6df9a3b383f7132cee6ff3428881700f277f439b6666f70cbee518d4572e6d8d7902462738e21c2cadc20b9bd607e6811fe954a19c354297b9b89f2f4de2a

  • SSDEEP

    1536:1a1bQWaJus8f90gHiuEdOXUeEQS8AW6zxzNQy0Na:1WUWaJus8fOxOXUeUQg

Score
9/10
credential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (44077) 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 15 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 38 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/splmpsl.elf
    /tmp/splmpsl.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:741

Network

MITRE ATT&CK Enterprise v15

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