Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240508-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240508-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    25-05-2024 12:31

General

  • Target

    sb.sh

  • Size

    24KB

  • MD5

    48229751d9027c71a2f5dbbd269c3ddc

  • SHA1

    85822c0da2ac34c28e19ee9253a64f96b92d115f

  • SHA256

    0f3249d23486ac93ae197b12f57a1707b88328ba22337423b0f1c30646716081

  • SHA512

    c393eeb7ea8d53af0e03f284156cd0b0c1be4abb0c585df121049adc52768481465d3631673c1c91fa50286994bc06bd229e6583eb554d45f89643de01fd1f14

  • SSDEEP

    384:WTL6DnMCFltFfHGBL59IgoJ61kLxqx8UKT0PqG0Vz7hqeA+Q4pkHXeCprkSI2:cLRCFltFfHGBLMLcxAVGsz7llC+SI2

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks hardware identifiers (DMI) 1 TTPs 2 IoCs

    Checks DMI information which indicate if the system is a virtual machine.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Checks CPU configuration 1 TTPs 1 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Enumerates kernel/hardware configuration 1 TTPs 4 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

  • Reads runtime system information 48 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 64 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/sb.sh
    /tmp/sb.sh
    1⤵
      PID:1511
      • /usr/bin/id
        id -u -n
        2⤵
        • Reads runtime system information
        PID:1512
      • /usr/bin/cut
        cut -d: -f6
        2⤵
          PID:1515
        • /usr/bin/getent
          getent passwd root
          2⤵
            PID:1514
          • /bin/mktemp
            mktemp -d /root/.cache/bztmpXXXXXXXXX
            2⤵
              PID:1517
            • /usr/bin/basename
              basename /tmp/sb.sh
              2⤵
                PID:1518
              • /usr/bin/tail
                tail -n +1
                2⤵
                  PID:1521
                • /bin/bzip2
                  bzip2 -cd
                  2⤵
                    PID:1523
                  • /usr/bin/tail
                    tail -n +75
                    2⤵
                      PID:1522
                    • /bin/chmod
                      chmod 700 /root/.cache/bztmpNddd37UDv/sb.sh
                      2⤵
                        PID:1524
                      • /root/.cache/bztmpNddd37UDv/sb.sh
                        /root/.cache/bztmpNddd37UDv/sb.sh
                        2⤵
                        • Executes dropped EXE
                        PID:1526
                        • /bin/grep
                          grep -q -E -i debian
                          3⤵
                            PID:1529
                          • /bin/cat
                            cat /etc/issue
                            3⤵
                              PID:1528
                            • /bin/grep
                              grep -q -E -i ubuntu
                              3⤵
                                PID:1531
                              • /bin/cat
                                cat /etc/issue
                                3⤵
                                  PID:1530
                                • /usr/bin/cut
                                  cut -d . -f1
                                  3⤵
                                    PID:1535
                                  • /usr/bin/cut
                                    cut -d "\"" -f2
                                    3⤵
                                      PID:1534
                                    • /bin/grep
                                      grep -i version_id /etc/os-release
                                      3⤵
                                        PID:1533
                                      • /bin/cat
                                        cat /etc/redhat-release
                                        3⤵
                                          PID:1537
                                        • /usr/bin/cut
                                          cut -d "\"" -f2
                                          3⤵
                                            PID:1540
                                          • /bin/grep
                                            grep -i pretty_name
                                            3⤵
                                              PID:1539
                                            • /bin/cat
                                              cat /etc/os-release
                                              3⤵
                                                PID:1538
                                              • /bin/grep
                                                grep -i -E "arch|alpine"
                                                3⤵
                                                  PID:1543
                                                • /usr/bin/cut
                                                  cut -d - -f1
                                                  3⤵
                                                    PID:1546
                                                  • /bin/uname
                                                    uname -r
                                                    3⤵
                                                      PID:1545
                                                    • /usr/bin/systemd-detect-virt
                                                      systemd-detect-virt
                                                      3⤵
                                                      • Checks hardware identifiers (DMI)
                                                      • Reads runtime system information
                                                      PID:1548
                                                    • /bin/uname
                                                      uname -m
                                                      3⤵
                                                        PID:1549
                                                      • /usr/bin/cut
                                                        cut -d: -f2
                                                        3⤵
                                                          PID:1554
                                                        • /usr/bin/head
                                                          head -n 1
                                                          3⤵
                                                            PID:1553
                                                          • /bin/grep
                                                            grep flags
                                                            3⤵
                                                              PID:1552
                                                            • /bin/cat
                                                              cat /proc/cpuinfo
                                                              3⤵
                                                              • Checks CPU configuration
                                                              PID:1551
                                                            • /usr/bin/awk
                                                              awk -F " " "{print \$3}"
                                                              3⤵
                                                              • Reads runtime system information
                                                              PID:1557
                                                            • /sbin/sysctl
                                                              sysctl net.ipv4.tcp_congestion_control
                                                              3⤵
                                                              • Reads runtime system information
                                                              PID:1556
                                                            • /usr/bin/awk
                                                              awk -F " " "{print \$3}"
                                                              3⤵
                                                              • Reads runtime system information
                                                              PID:1560
                                                            • /sbin/sysctl
                                                              sysctl net.ipv4.tcp_congestion_control
                                                              3⤵
                                                              • Reads runtime system information
                                                              PID:1559
                                                            • /bin/hostname
                                                              hostname
                                                              3⤵
                                                                PID:1561
                                                              • /usr/bin/apt
                                                                apt update -y
                                                                3⤵
                                                                • Reads runtime system information
                                                                • Writes file to tmp directory
                                                                PID:1563
                                                                • /usr/bin/dpkg
                                                                  /usr/bin/dpkg --print-foreign-architectures
                                                                  4⤵
                                                                  • Reads runtime system information
                                                                  PID:1564
                                                                • /usr/lib/apt/methods/http
                                                                  /usr/lib/apt/methods/http
                                                                  4⤵
                                                                    PID:1565
                                                                  • /usr/lib/apt/methods/https
                                                                    /usr/lib/apt/methods/https
                                                                    4⤵
                                                                      PID:1566
                                                                    • /bin/sh
                                                                      sh -c "[ ! -e /run/systemd/system ] || [ \$(id -u) -ne 0 ] || systemctl start --no-block apt-news.service esm-cache.service || true"
                                                                      4⤵
                                                                        PID:1568
                                                                        • /usr/bin/id
                                                                          id -u
                                                                          5⤵
                                                                          • Reads runtime system information
                                                                          PID:1569
                                                                        • /bin/systemctl
                                                                          systemctl start --no-block apt-news.service esm-cache.service
                                                                          5⤵
                                                                          • Reads runtime system information
                                                                          PID:1570
                                                                      • /usr/lib/apt/methods/https
                                                                        /usr/lib/apt/methods/https
                                                                        4⤵
                                                                          PID:1574
                                                                        • /usr/lib/apt/methods/http
                                                                          /usr/lib/apt/methods/http
                                                                          4⤵
                                                                            PID:1578
                                                                          • /usr/lib/apt/methods/http
                                                                            /usr/lib/apt/methods/http
                                                                            4⤵
                                                                              PID:1579
                                                                            • /usr/bin/dpkg
                                                                              /usr/bin/dpkg --print-foreign-architectures
                                                                              4⤵
                                                                              • Reads runtime system information
                                                                              PID:1586
                                                                            • /usr/bin/dpkg
                                                                              /usr/bin/dpkg --print-foreign-architectures
                                                                              4⤵
                                                                              • Reads runtime system information
                                                                              PID:1587
                                                                          • /usr/bin/apt
                                                                            apt install jq iptables-persistent -y
                                                                            3⤵
                                                                            • Reads runtime system information
                                                                            • Writes file to tmp directory
                                                                            PID:1588
                                                                            • /usr/bin/dpkg
                                                                              /usr/bin/dpkg --print-foreign-architectures
                                                                              4⤵
                                                                              • Reads runtime system information
                                                                              PID:1589
                                                                            • /usr/bin/dpkg
                                                                              /usr/bin/dpkg --print-foreign-architectures
                                                                              4⤵
                                                                              • Reads runtime system information
                                                                              PID:1590
                                                                            • /bin/sh
                                                                              /bin/sh -c "[ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 2>/dev/null || true"
                                                                              4⤵
                                                                                PID:1591
                                                                                • /usr/bin/snap
                                                                                  /usr/bin/snap advise-snap --from-apt
                                                                                  5⤵
                                                                                  • Enumerates kernel/hardware configuration
                                                                                  • Reads runtime system information
                                                                                  PID:1592
                                                                              • /usr/lib/apt/methods/http
                                                                                /usr/lib/apt/methods/http
                                                                                4⤵
                                                                                  PID:1601
                                                                                • /bin/sh
                                                                                  /bin/sh -c "[ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 2>/dev/null || true"
                                                                                  4⤵
                                                                                    PID:1602
                                                                                    • /usr/bin/snap
                                                                                      /usr/bin/snap advise-snap --from-apt
                                                                                      5⤵
                                                                                      • Enumerates kernel/hardware configuration
                                                                                      • Reads runtime system information
                                                                                      PID:1603
                                                                                  • /bin/sh
                                                                                    /bin/sh -c "[ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 2>/dev/null || true"
                                                                                    4⤵
                                                                                      PID:1611
                                                                                      • /usr/bin/snap
                                                                                        /usr/bin/snap advise-snap --from-apt
                                                                                        5⤵
                                                                                        • Enumerates kernel/hardware configuration
                                                                                        • Reads runtime system information
                                                                                        PID:1612
                                                                                    • /usr/lib/apt/methods/http
                                                                                      /usr/lib/apt/methods/http
                                                                                      4⤵
                                                                                        PID:1621
                                                                                      • /bin/sh
                                                                                        /bin/sh -c "[ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 2>/dev/null || true"
                                                                                        4⤵
                                                                                          PID:1622
                                                                                          • /usr/bin/snap
                                                                                            /usr/bin/snap advise-snap --from-apt
                                                                                            5⤵
                                                                                            • Enumerates kernel/hardware configuration
                                                                                            • Reads runtime system information
                                                                                            PID:1623
                                                                                      • /usr/bin/touch
                                                                                        touch sbyg_update
                                                                                        3⤵
                                                                                        • Writes file to tmp directory
                                                                                        PID:1637
                                                                                      • /usr/bin/apt-get
                                                                                        apt-get install -y expect
                                                                                        3⤵
                                                                                        • Reads runtime system information
                                                                                        • Writes file to tmp directory
                                                                                        PID:1639
                                                                                        • /usr/bin/dpkg
                                                                                          /usr/bin/dpkg --print-foreign-architectures
                                                                                          4⤵
                                                                                          • Reads runtime system information
                                                                                          PID:1640
                                                                                        • /usr/bin/dpkg
                                                                                          /usr/bin/dpkg --print-foreign-architectures
                                                                                          4⤵
                                                                                          • Reads runtime system information
                                                                                          PID:1641
                                                                                        • /usr/lib/apt/methods/http
                                                                                          /usr/lib/apt/methods/http
                                                                                          4⤵
                                                                                            PID:1642
                                                                                          • /usr/lib/apt/methods/http
                                                                                            /usr/lib/apt/methods/http
                                                                                            4⤵
                                                                                              PID:1643
                                                                                          • /usr/bin/apt-get
                                                                                            apt-get install -y qrencode
                                                                                            3⤵
                                                                                            • Reads runtime system information
                                                                                            • Writes file to tmp directory
                                                                                            PID:1648
                                                                                            • /usr/bin/dpkg
                                                                                              /usr/bin/dpkg --print-foreign-architectures
                                                                                              4⤵
                                                                                              • Reads runtime system information
                                                                                              PID:1649
                                                                                            • /usr/bin/dpkg
                                                                                              /usr/bin/dpkg --print-foreign-architectures
                                                                                              4⤵
                                                                                              • Reads runtime system information
                                                                                              PID:1650
                                                                                            • /usr/lib/apt/methods/http
                                                                                              /usr/lib/apt/methods/http
                                                                                              4⤵
                                                                                                PID:1651
                                                                                              • /usr/lib/apt/methods/http
                                                                                                /usr/lib/apt/methods/http
                                                                                                4⤵
                                                                                                  PID:1652
                                                                                              • /usr/bin/apt-get
                                                                                                apt-get install -y git
                                                                                                3⤵
                                                                                                • Reads runtime system information
                                                                                                • Writes file to tmp directory
                                                                                                PID:1657
                                                                                                • /usr/bin/dpkg
                                                                                                  /usr/bin/dpkg --print-foreign-architectures
                                                                                                  4⤵
                                                                                                  • Reads runtime system information
                                                                                                  PID:1658
                                                                                                • /usr/bin/dpkg
                                                                                                  /usr/bin/dpkg --print-foreign-architectures
                                                                                                  4⤵
                                                                                                  • Reads runtime system information
                                                                                                  PID:1659
                                                                                                • /usr/lib/apt/methods/http
                                                                                                  /usr/lib/apt/methods/http
                                                                                                  4⤵
                                                                                                    PID:1660
                                                                                                  • /usr/lib/apt/methods/http
                                                                                                    /usr/lib/apt/methods/http
                                                                                                    4⤵
                                                                                                      PID:1661
                                                                                                  • /usr/bin/clear
                                                                                                    clear
                                                                                                    3⤵
                                                                                                      PID:1665
                                                                                                    • /bin/cat
                                                                                                      cat /etc/s-box/v
                                                                                                      3⤵
                                                                                                        PID:1667
                                                                                                      • /usr/bin/head
                                                                                                        head -n 1
                                                                                                        3⤵
                                                                                                          PID:1671
                                                                                                        • /usr/bin/awk
                                                                                                          awk -F 更新内容 "{print \$1}"
                                                                                                          3⤵
                                                                                                          • Reads runtime system information
                                                                                                          PID:1670
                                                                                                        • /usr/bin/curl
                                                                                                          curl -sL https://raw.githubusercontent.com/yonggekkk/sing-box_hysteria2_tuic_argo_reality/main/version
                                                                                                          3⤵
                                                                                                            PID:1669
                                                                                                        • /bin/sleep
                                                                                                          sleep 5
                                                                                                          2⤵
                                                                                                            PID:1527
                                                                                                          • /bin/rm
                                                                                                            rm -fr /root/.cache/bztmpNddd37UDv
                                                                                                            2⤵
                                                                                                              PID:1676

                                                                                                          Network

                                                                                                          MITRE ATT&CK Enterprise v15

                                                                                                          Replay Monitor

                                                                                                          Loading Replay Monitor...

                                                                                                          Downloads

                                                                                                          • /root/.cache/bztmpNddd37UDv/sb.sh
                                                                                                            Filesize

                                                                                                            143KB

                                                                                                            MD5

                                                                                                            f1973953ae5fec498235b9b8c9a147a8

                                                                                                            SHA1

                                                                                                            379a71b20e20d95ea0a88d46d0e915e9dd6bbcff

                                                                                                            SHA256

                                                                                                            92869467d779529f7f8daffd9213fdfa8c153ebdb42c261b349da5ec76c363b5

                                                                                                            SHA512

                                                                                                            340aaa1ab1f1b6753dab411967806e5d1ceba71224e676d25e95a644c8ff086397a750640b8f8958f54926a0eb37d0fbe72246e8f8f58af18b73db17d39c7e62

                                                                                                          • /tmp/fileutl.message.QfpyNW
                                                                                                            Filesize

                                                                                                            235KB

                                                                                                            MD5

                                                                                                            373fe2f2ef99005d2550a482f09a3e51

                                                                                                            SHA1

                                                                                                            68e6572b55b1e77f7d171ebac7b2579b7a6bd51d

                                                                                                            SHA256

                                                                                                            7552d5ab0c3879756a860aaab8e7c2f8ffb9409ea9ff9e65fc046ba5c519ebe5

                                                                                                            SHA512

                                                                                                            def9e854b824d2fddc6a15f898be73cfb679ac38563f5af854546f49c9d5d2316a40176dc41d6b360bda7b65de53863a53e4eedadf6336000b031b77a113607b