Overview

overview

10

Static

static

10

802ce8e512...cf.elf

debian-12-mipsel

9

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    debian-12_mipsel
  • resource
    debian12-mipsel-20240729-en
  • resource tags

    arch:mipselimage:debian12-mipsel-20240729-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
  • submitted
    16-12-2024 02:27

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General

  • Target

    802ce8e51228bd78a395438d2bc80ba5fb3103e74d617d58b879c5fd4d68edcf.elf

  • Size

    99KB

  • MD5

    d49268df55938edc2dc546319dc100e5

  • SHA1

    4c4fc8c97b4da067388dfb234238cbd52e85c38c

  • SHA256

    802ce8e51228bd78a395438d2bc80ba5fb3103e74d617d58b879c5fd4d68edcf

  • SHA512

    a0b4c435d2600f7bf5e8ec273620b7290c78c218f852723e6ca4abdd046486645585270ffc6a4df04840a5d518e22332bf8848fa7c0f3b65eb103bae415d5e76

  • SSDEEP

    3072:VlFuYChcmiy2yCSpIaQmTfYJBwbZnblP:VlFuYVmijyCSpIaQmTfAwRbx

Score
9/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Contacts a large (23351) 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
  • File and Directory Permissions Modification 1 TTPs 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Modifies rc script 2 TTPs 1 IoCs

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

    persistence
  • Changes its process name 1 IoCs
  • Reads runtime system information 2 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/802ce8e51228bd78a395438d2bc80ba5fb3103e74d617d58b879c5fd4d68edcf.elf
    /tmp/802ce8e51228bd78a395438d2bc80ba5fb3103e74d617d58b879c5fd4d68edcf.elf
    1⤵
    • Modifies rc script
    • Changes its process name
    PID:744
    • /bin/sh
      sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/802ce8e51228bd78a395438d2bc80ba5fb3103e74d617d58b879c5fd4d68edcf.elf bin/busybox; chmod 777 bin/busybox"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:746
      • /usr/bin/rm
        rm -rf bin/busybox
        3⤵
          PID:749
        • /usr/bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:751
        • /usr/bin/mv
          mv /tmp/802ce8e51228bd78a395438d2bc80ba5fb3103e74d617d58b879c5fd4d68edcf.elf bin/busybox
          3⤵
          • Reads runtime system information
          PID:756
        • /usr/bin/chmod
          chmod 777 bin/busybox
          3⤵
          • File and Directory Permissions Modification
          PID:761

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • /etc/rc.local
      Filesize

      95B

      MD5

      ea1dfdca9880b1a10b7368aa0dfe2aef

      SHA1

      b945ec5d90fc07016b606cc10651203d058bfe88

      SHA256

      fb51f4b2f2f0c8eadb95244b3a602d1355de8e4d578375dd7736effa1501fb1a

      SHA512

      3a4fc8238729102268cff2a88f7ce0d3424a0739a94feb33b725d2f54dca8659427c9f393a1782f16a06e752bfca4e98e761427bb7ef90f4fbfeacbedd0b7b47

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