Overview

overview

7

Static

static

1

m.i686.elf

ubuntu-18.04-amd64

7

Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    22/08/2026, 02:04

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General

  • Target
    m.i686.elf
  • Size 44KB
  • Sample260822-che7lsvsfw
  • SHA256 6581bf37184bb2db899b9893064d39dd314ea691adf3281cc0aa7e0a31e5138a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

    defense_evasion
  • Enumerates running processes

    Discovers information about currently running processes on the system

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

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 4 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/m.i686.elf
    /tmp/m.i686.elf
    1⤵
    • Modifies Watchdog functionality
    • Changes its process name
    • Reads runtime system information
    PID:1488
    • /bin/sh
      sh -c "cp /tmp/m.i686.elf /root/.cling"
      2⤵
        PID:1490
        • /bin/cp
          cp /tmp/m.i686.elf /root/.cling
          3⤵
          • Reads runtime system information
          PID:1491
      • /bin/sh
        sh -c "cp /tmp/m.i686.elf /usr/local/bin/.cling"
        2⤵
          PID:1492
          • /bin/cp
            cp /tmp/m.i686.elf /usr/local/bin/.cling
            3⤵
            • Write file to user bin folder
            PID:1493
        • /bin/sh
          sh -c "chmod +x /root/.cling"
          2⤵
          • File and Directory Permissions Modification
          PID:1494
          • /bin/chmod
            chmod +x /root/.cling
            3⤵
            • File and Directory Permissions Modification
            PID:1495
        • /bin/sh
          sh -c "chmod +x /usr/local/bin/.cling"
          2⤵
          • File and Directory Permissions Modification
          PID:1496
          • /bin/chmod
            chmod +x /usr/local/bin/.cling
            3⤵
            • File and Directory Permissions Modification
            PID:1497
        • /bin/sh
          sh -c "cp /proc/1/stat /tmp/stat"
          2⤵
            PID:1498
            • /bin/cp
              cp /proc/1/stat /tmp/stat
              3⤵
              • Reads runtime system information
              • Writes file to tmp directory
              PID:1499
          • /bin/sh
            sh -c "cp /proc/1/status /tmp/status"
            2⤵
              PID:1500
              • /bin/cp
                cp /proc/1/status /tmp/status
                3⤵
                • Writes file to tmp directory
                PID:1501
            • /bin/sh
              sh -c "cp /proc/1/cmdline /tmp/cmdline"
              2⤵
                PID:1502
                • /bin/cp
                  cp /proc/1/cmdline /tmp/cmdline
                  3⤵
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:1503
              • /bin/sh
                sh -c "cp /proc/1/statm /tmp/statm"
                2⤵
                  PID:1504
                  • /bin/cp
                    cp /proc/1/statm /tmp/statm
                    3⤵
                    • Writes file to tmp directory
                    PID:1505
                • /bin/sh
                  sh -c "mount --bind /tmp /proc/1489"
                  2⤵
                    PID:1506
                    • /bin/mount
                      mount --bind /tmp /proc/1489
                      3⤵
                      • Reads runtime system information
                      PID:1507
                  • /bin/sh
                    sh -c "mount --bind /tmp /proc/1517"
                    2⤵
                      PID:1518
                      • /bin/mount
                        mount --bind /tmp /proc/1517
                        3⤵
                          PID:1519

                    Network

                          MITRE ATT&CK Enterprise v16

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                          Downloads

                          .cling
                          • Path /root/.cling
                          • Size 44KB
                          • SHA256 6581bf37184bb2db899b9893064d39dd314ea691adf3281cc0aa7e0a31e5138a
                          • MD5 SHA1 SHA512 SSDEEP TLSH
                          Submit Download

                          cmdline
                          • Path /tmp/cmdline
                          • Size 11B
                          • SHA256 6628c1ade33319fc12730a87856ccdb1e4eaed9a0aa2b0bce0535a97a232f272
                          • MD5 SHA1 SHA512
                          Submit Download

                          stat
                          • Path /tmp/stat
                          • Size 314B
                          • SHA256 b58288738ca174767305cbd747bca76a0ba897fe1ae511260f704c250e3d338e
                          • MD5 SHA1 SHA512 TLSH
                          Submit Download

                          statm
                          • Path /tmp/statm
                          • Size 29B
                          • SHA256 44b47700aef7af39477b6ee0b14040918c3a6c888bfadb83d914384e37b85c20
                          • MD5 SHA1 SHA512
                          Submit Download

                          status
                          • Path /tmp/status
                          • Size 1KB
                          • SHA256 c95960d4d1ca03dbc26e5e11ece2ff0732d816a392fffc6ff27d818f94373360
                          • MD5 SHA1 SHA512 TLSH
                          Submit Download