Overview

overview

6

Static

static

1

mipsel.elf

debian-12-mipsel

6

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    debian-12_mipsel
  • resource
    debian12-mipsel-20250619-en
  • resource tags

    arch:mipselimage:debian12-mipsel-20250619-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
  • submitted
    01/09/2025, 09:58

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General

  • Target
    mipsel.elf
  • Size 191KB
  • Sample250901-lzqjcaek2s
  • SHA256 04a87d8d32409f507eeff699470566c734aca767c1b7e4a3d564a62d856bd13d
  • MD5 SHA1 SHA512 SSDEEP
Score
6/10
discoverypersistence

Malware Config

Signatures

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Modifies init.d 2 TTPs 1 IoCs

    Adds/modifies system service, likely for persistence.

    persistence
  • Modifies rc script 2 TTPs 1 IoCs

    Adding/modifying system rc scripts is a common persistence mechanism.

    persistence
  • Write file to user bin folder 2 IoCs
    persistence
  • Changes its process name 1 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 5 IoCs

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

    discovery
  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/mipsel.elf
    /tmp/mipsel.elf
    1⤵
    • Modifies init.d
    • Modifies rc script
    • Changes its process name
    • Reads runtime system information
    • System Network Configuration Discovery
    • Writes file to tmp directory
    PID:793
    • /bin/sh
      sh -c "cp /tmp/mipsel.elf /usr/bin/.sh"
      2⤵
      • System Network Configuration Discovery
      PID:795
      • /usr/bin/cp
        cp /tmp/mipsel.elf /usr/bin/.sh
        3⤵
        • Write file to user bin folder
        • Reads runtime system information
        • System Network Configuration Discovery
        PID:797
    • /bin/sh
      sh -c "cp /tmp/mipsel.elf /usr/bin/.sh"
      2⤵
      • System Network Configuration Discovery
      PID:806
      • /usr/bin/cp
        cp /tmp/mipsel.elf /usr/bin/.sh
        3⤵
        • Write file to user bin folder
        • System Network Configuration Discovery
        PID:807

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        sysd
        • Path /etc/init.d/sysd
        • Size 25B
        • SHA256 ba1d50d125344f273c249426ccd744d5a12e560ace41cca4bc55bd2d4a718d8f
        • MD5 SHA1 SHA512
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