Overview

overview

10

Static

static

10

vcimanagem...ps.elf

debian-9-mips

10

Analysis

  • max time kernel
    107s
  • max time network
    139s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20260513-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    07/10/2026, 09:57

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General

  • Target
    vcimanagement.mips.elf
  • Size 239KB
  • Sample261007-ly19fse19x
  • SHA256 c5f3b103955567ed345bc49d5cb738f1c87e97ace12386b88f5395c782334916
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
botnetdefense_evasiondiscoveryexecutionechobotpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Family: Echobot

    An updated variant of Mirai which infects a wide range of IoT devices to form a botnet.

    botnettrojanechobot
  • Detected Echobot 1 IoCs
  • Contacts a large (125287) 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
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

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

    defense_evasion
  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    executionpersistenceprivilege_escalation
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Write file to user bin folder 3 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 1 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/vcimanagement.mips.elf
    /tmp/vcimanagement.mips.elf
    1⤵
    • Modifies Watchdog functionality
    • Write file to user bin folder
    • Changes its process name
    • Reads runtime system information
    • System Network Configuration Discovery
    • Writes file to tmp directory
    PID:701
    • /bin/sh
      sh -c "iptables -A OUTPUT -p tcp --tcp-flags RST RST -j DROP 2>/dev/null"
      2⤵
        PID:703
        • /sbin/iptables
          iptables -A OUTPUT -p tcp --tcp-flags RST RST -j DROP
          3⤵
            PID:704
        • /bin/sh
          sh -c "(crontab -l 2>/dev/null | grep -v '.x'; echo '@reboot /usr/bin/.x'; echo '*/10 * * * * /usr/bin/.x') | crontab - 2>/dev/null"
          2⤵
            PID:721
            • /usr/bin/crontab
              crontab -l
              3⤵
              • Reads runtime system information
              PID:724
            • /usr/bin/crontab
              crontab -
              3⤵
              • Creates/modifies Cron job
              PID:725
            • /bin/grep
              grep -v .x
              3⤵
                PID:726
            • /bin/sh
              sh -c "grep -q '.svc' /etc/rc.local 2>/dev/null || sed -i 's|^exit 0|/usr/bin/.svc \\&\\nexit 0|' /etc/rc.local 2>/dev/null"
              2⤵
                PID:729
                • /bin/grep
                  grep -q .svc /etc/rc.local
                  3⤵
                    PID:731
                  • /bin/sed
                    sed -i "s|^exit 0|/usr/bin/.svc \\&\\nexit 0|" /etc/rc.local
                    3⤵
                    • Reads runtime system information
                    PID:734
                • /bin/sh
                  sh -c "killall -9 auto_update 2>/dev/null; rm -f /usr/bin/auto_update 2>/dev/null"
                  2⤵
                    PID:737
                    • /usr/bin/killall
                      killall -9 auto_update
                      3⤵
                      • Reads runtime system information
                      PID:739
                    • /bin/rm
                      rm -f /usr/bin/auto_update
                      3⤵
                        PID:740

                  Network

                        MITRE ATT&CK Enterprise v16

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                        Downloads

                        .svc.pid
                        • Path /tmp/.svc.pid
                        • Size 4B
                        • SHA256 3ee48460e991c7818d25075c967e0bf4e4e542808055076b1b42734043cffa59
                        • MD5 SHA1 SHA512
                        Submit Download

                        .svc
                        • Path /usr/bin/.svc
                        • Size 239KB
                        • SHA256 c5f3b103955567ed345bc49d5cb738f1c87e97ace12386b88f5395c782334916
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        .x
                        • Path /usr/bin/.x
                        • Size 250B
                        • SHA256 79e3aa0a107eb9e116d80a0509d73c75780fd78b325c7a4acb591e6027e32b77
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        tmp.mqvxer
                        • Path /var/spool/cron/crontabs/tmp.mqvxer
                        • Size 220B
                        • SHA256 8b77509633de461f78b9ea509fee8ad3718c8f83e788bfb13c7fe0500ea27528
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download