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Overview

overview

10

Static

static

10

splmips.elf

debian-9-mips

9

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240611-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    01/02/2025, 13:42

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General

  • Target

    splmips.elf

  • Size

    70KB

  • MD5

    fb5e5245688736e9d13c832465292e6a

  • SHA1

    e31e6863abf4610186c14e5bb868152ed902ffeb

  • SHA256

    65797db0f0c80761c8f733de64d0f44431ecf18af76702319b84b34dd9111c99

  • SHA512

    134df4aebe6543768eb0c6034fc66840bf41d858bb97f5ae3c41898ced3b51252e1e3d2544f79b59652f3df7c0838a27475d02057bb3af710ca283af4d2a6e29

  • SSDEEP

    1536:xvfwnX7GltwnKn4Qp9WF7h9ibxU5jZ6i0nyAcx:tInX78twufXu5ci+yTx

Score
9/10
credential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (44375) 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 1 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 54 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
  • System Network Configuration Discovery 1 TTPs 1 IoCs

    Adversaries may gather information about the network configuration of a system.

    discovery

Processes

  • /tmp/splmips.elf
    /tmp/splmips.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
    • System Network Configuration Discovery
    PID:712

Network

MITRE ATT&CK Enterprise v15

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