Overview

overview

10

Static

static

10

e64a236cdb...d0.elf

debian-9-mipsel

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240611-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    14-01-2025 03:22

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General

  • Target

    e64a236cdba06f5e9831e9d6b2b4f1672e57f6c08a3c4d15df4447da82a918d0.elf

  • Size

    99KB

  • MD5

    3b2a8e0b62d3ffdba0543724d2a0761e

  • SHA1

    3655b74119e0b47bd06f474beacbc5ad6a870d81

  • SHA256

    e64a236cdba06f5e9831e9d6b2b4f1672e57f6c08a3c4d15df4447da82a918d0

  • SHA512

    e1ff9c89dfca7d6bfbdfaebbf43b7fc37da67062f9b3d22a44069ba138eb41e3b1a34a98c3f50dd0be279eaee20ae073afc17d70dea0a0693ee25434ffdd69b6

  • SSDEEP

    3072:6B1CUybA2iyeqyySZYK7ao/Ev8wbZnMZ7:6B1CUD2ieyySZYK7ao//wRMp

Score
9/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Contacts a large (23828) 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/e64a236cdba06f5e9831e9d6b2b4f1672e57f6c08a3c4d15df4447da82a918d0.elf
    /tmp/e64a236cdba06f5e9831e9d6b2b4f1672e57f6c08a3c4d15df4447da82a918d0.elf
    1⤵
    • Modifies rc script
    • Changes its process name
    PID:703
    • /bin/sh
      sh -c "rm -rf bin/systemd && mkdir bin; >bin/systemd && mv /tmp/e64a236cdba06f5e9831e9d6b2b4f1672e57f6c08a3c4d15df4447da82a918d0.elf bin/systemd; chmod 777 bin/systemd"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:704
      • /bin/rm
        rm -rf bin/systemd
        3⤵
          PID:706
        • /bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:707
        • /bin/mv
          mv /tmp/e64a236cdba06f5e9831e9d6b2b4f1672e57f6c08a3c4d15df4447da82a918d0.elf bin/systemd
          3⤵
          • Reads runtime system information
          PID:712
        • /bin/chmod
          chmod 777 bin/systemd
          3⤵
          • File and Directory Permissions Modification
          PID:714

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • /etc/rc.local
      Filesize

      92B

      MD5

      4b6879140e52fbe7db2b19ed17257289

      SHA1

      eae5c280884c94f4ccf32c28daf35bc5bf7450a3

      SHA256

      5f7fcb731652c445d5087088154f690c89443715a65b1cbdb78cf70ab3370931

      SHA512

      736545b3ce791eb8b7402ffe064f66069abd9601039ae0c62eed71540fd14d95acf2dc7c27d5ebf451314c4de1220923901b6eb60098881e1709209fae45d7cc

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