Overview

overview

10

Static

static

10

394cf6ad4a...33.elf

debian-9-mips

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240729-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    15-12-2024 02:11

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General

  • Target

    394cf6ad4a71182985a3bea2bb6f973d6cf58f8ce38937ccb5b4961e00ff6233.elf

  • Size

    97KB

  • MD5

    ee5b1c1670093a822c8ae6669b6a3cd2

  • SHA1

    48fb634d9f8de70dea6d0abbfdb7cd56ed882ee3

  • SHA256

    394cf6ad4a71182985a3bea2bb6f973d6cf58f8ce38937ccb5b4961e00ff6233

  • SHA512

    95604d28e5925e942adc958d23f3213a6004a8c977cc7047d7f886d122b8f80c10d02552dd88a89710e8a135a8a069cc9194aba594ce1a51cfac6b0fc8583747

  • SSDEEP

    3072:E8MvUc4GvzsK2+U/MDeMC4zCMAJPFwbZnD4:E8Mfz/2+U/UvTzjCwRD4

Score
9/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Contacts a large (23824) 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/394cf6ad4a71182985a3bea2bb6f973d6cf58f8ce38937ccb5b4961e00ff6233.elf
    /tmp/394cf6ad4a71182985a3bea2bb6f973d6cf58f8ce38937ccb5b4961e00ff6233.elf
    1⤵
    • Modifies rc script
    • Changes its process name
    PID:711
    • /bin/sh
      sh -c "rm -rf bin/watchdog && mkdir bin; >bin/watchdog && mv /tmp/394cf6ad4a71182985a3bea2bb6f973d6cf58f8ce38937ccb5b4961e00ff6233.elf bin/watchdog; chmod 777 bin/watchdog"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:713
      • /bin/rm
        rm -rf bin/watchdog
        3⤵
          PID:715
        • /bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:717
        • /bin/mv
          mv /tmp/394cf6ad4a71182985a3bea2bb6f973d6cf58f8ce38937ccb5b4961e00ff6233.elf bin/watchdog
          3⤵
          • Reads runtime system information
          PID:723
        • /bin/chmod
          chmod 777 bin/watchdog
          3⤵
          • File and Directory Permissions Modification
          PID:726

    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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