Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240221-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240221-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    23/02/2024, 12:17

General

  • Target

    arm7-20240223-1216.elf

  • Size

    147KB

  • MD5

    935bef21805992ae65d767e294b6bda3

  • SHA1

    eb5e20dc292be5a4eb7cc4f2c68b87156525f9e5

  • SHA256

    51ce997fc8c2f90ae0e6a16f48db708bc6f387051225d9ef2b47b50099ad702c

  • SHA512

    e0ad683f33e9707b02a7a2e20d985947625a23977e63b4fce47cd0a536d7bad6cdbf831e1ca684c50d3cfeb60dca42a2d3e4de49ba88d9896235ec63541cee2b

  • SSDEEP

    3072:5J0cPOi4Th7ta9dFrRk9689TAJPii2OXkkTM/9OY:5J0cUlta9dFrRkY89oh2OXkYM/9OY

Score
9/10

Malware Config

Signatures

  • Contacts a large (37365) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Changes its process name 1 IoCs
  • 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/arm7-20240223-1216.elf
    /tmp/arm7-20240223-1216.elf
    1⤵
    • Changes its process name
    PID:636
    • /bin/sh
      /bin/sh -c "rm -rf bin/watchdog && mkdir bin; >bin/watchdog && mv /tmp/arm7-20240223-1216.elf bin/watchdog; chmod 777 bin/watchdog��"
      2⤵
      • Writes file to tmp directory
      PID:637
      • /bin/rm
        rm -rf bin/watchdog
        3⤵
          PID:638
        • /bin/mkdir
          mkdir bin
          3⤵
            PID:640
          • /bin/mv
            mv /tmp/arm7-20240223-1216.elf bin/watchdog
            3⤵
            • Reads runtime system information
            PID:641
          • /bin/chmod
            chmod 777 "bin/watchdog��"
            3⤵
              PID:644

        Network

              MITRE ATT&CK Enterprise v15

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