Overview

overview

10

Static

static

10

1518d9364a...36450e

ubuntu-22.04-amd64

9

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    ubuntu-22.04_amd64
  • resource
    ubuntu2204-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2204-amd64-20240611-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system
  • submitted
    25-11-2024 09:15

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General

  • Target

    1518d9364ae6362a9dc3e7cc7d103e515ea7b1c0aaca74f80062ba9f7436450e

  • Size

    100KB

  • MD5

    d0ceffd3b00587a2c593806f9b849cef

  • SHA1

    c31438ddf15aa1ef49d540cd4faa6e78b874b313

  • SHA256

    1518d9364ae6362a9dc3e7cc7d103e515ea7b1c0aaca74f80062ba9f7436450e

  • SHA512

    ccb83ebbe4d7dd58cb8a0ca5f2b8ff698c2190f3dca75c01c7b1134dfe043844c88908c6ee82024751c6ca2ed3a35b89d5237bcec12275135b8f9644d26baffa

  • SSDEEP

    1536:QUx8tzU06/iuN/G13HAswGz/gxi2pm5GA1KXUjmM1j6l3h+AWwh0f:Qc8tzUS4/N/wg82pm91KXUjhj6pIAQf

Score
9/10
antivmdefense_evasiondiscoverypersistenceprivilege_escalation

Malware Config

Signatures

  • Contacts a large (27175) amount of remote hosts 1 TTPs

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

    discovery
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

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

    defense_evasion
  • Checks mountinfo of local process 1 TTPs 1 IoCs

    Checks mountinfo of running processes which indicate if it is running in chroot jail.

    antivm
  • Creates/modifies environment variables 1 TTPs 1 IoCs

    Creating/modifying environment variables is a common persistence mechanism.

    persistenceprivilege_escalationdefense_evasion
  • Modifies init.d 2 TTPs 1 IoCs

    Adds/modifies system service, likely for persistence.

    persistence
  • Modifies rc script 2 TTPs 1 IoCs

    Adding/modifying system rc scripts is a common persistence mechanism.

    persistence
  • Modifies systemd 2 TTPs 1 IoCs

    Adds/ modifies systemd service files. Likely to achieve persistence.

    persistenceprivilege_escalation
  • Modifies Bash startup script 2 TTPs 1 IoCs
    persistence
  • Reads runtime system information 26 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/1518d9364ae6362a9dc3e7cc7d103e515ea7b1c0aaca74f80062ba9f7436450e
    /tmp/1518d9364ae6362a9dc3e7cc7d103e515ea7b1c0aaca74f80062ba9f7436450e
    1⤵
    • Modifies Watchdog functionality
    • Checks mountinfo of local process
    • Creates/modifies environment variables
    • Modifies init.d
    • Modifies rc script
    • Modifies systemd
    • Modifies Bash startup script
    • Reads runtime system information
    PID:1590
    • /bin/sh
      sh -c "systemctl enable custom.service >/dev/null 2>&1"
      2⤵
        PID:1597
        • /usr/bin/systemctl
          systemctl enable custom.service
          3⤵
          • Reads runtime system information
          PID:1598
      • /bin/sh
        sh -c "chmod +x /etc/init.d/system >/dev/null 2>&1"
        2⤵
        • File and Directory Permissions Modification
        PID:1666
        • /usr/bin/chmod
          chmod +x /etc/init.d/system
          3⤵
          • File and Directory Permissions Modification
          PID:1667
      • /bin/sh
        sh -c "ln -s /etc/init.d/system /etc/rcS.d/S99system >/dev/null 2>&1"
        2⤵
          PID:1668
          • /usr/bin/ln
            ln -s /etc/init.d/system /etc/rcS.d/S99system
            3⤵
              PID:1669
          • /bin/sh
            sh -c "chmod +x /etc/init.d/sh >/dev/null 2>&1"
            2⤵
            • File and Directory Permissions Modification
            PID:1672
            • /usr/bin/chmod
              chmod +x /etc/init.d/sh
              3⤵
              • File and Directory Permissions Modification
              PID:1673
          • /bin/sh
            sh -c "mkdir -p /etc/rc.d >/dev/null 2>&1"
            2⤵
              PID:1674
              • /usr/bin/mkdir
                mkdir -p /etc/rc.d
                3⤵
                • Reads runtime system information
                PID:1675
            • /bin/sh
              sh -c "ln -s /etc/init.d/sh /etc/rc.d/S99sh >/dev/null 2>&1"
              2⤵
                PID:1676
                • /usr/bin/ln
                  ln -s /etc/init.d/sh /etc/rc.d/S99sh
                  3⤵
                    PID:1677

              Network

              MITRE ATT&CK Enterprise v15

              Reconnaissance

              Resource Development

              Initial Access

              Execution

              Persistence

              Boot or Logon Autostart Execution

              4
              T1547

              XDG Autostart Entries

              1
              T1547.013

              Boot or Logon Initialization Scripts

              2
              T1037

              RC Scripts

              2
              T1037.004

              Create or Modify System Process

              1
              T1543

              Systemd Service

              1
              T1543.002

              Event Triggered Execution

              1
              T1546

              Unix Shell Configuration Modification

              1
              T1546.004

              Hijack Execution Flow

              1
              T1574

              Path Interception by PATH Environment Variable

              1
              T1574.007

              Privilege Escalation

              Boot or Logon Autostart Execution

              4
              T1547

              XDG Autostart Entries

              1
              T1547.013

              Boot or Logon Initialization Scripts

              2
              T1037

              RC Scripts

              2
              T1037.004

              Create or Modify System Process

              1
              T1543

              Systemd Service

              1
              T1543.002

              Event Triggered Execution

              1
              T1546

              Unix Shell Configuration Modification

              1
              T1546.004

              Hijack Execution Flow

              1
              T1574

              Path Interception by PATH Environment Variable

              1
              T1574.007

              Defense Evasion

              File and Directory Permissions Modification

              1
              T1222

              Linux and Mac File and Directory Permissions Modification

              1
              T1222.002

              Hijack Execution Flow

              1
              T1574

              Path Interception by PATH Environment Variable

              1
              T1574.007

              Impair Defenses

              1
              T1562

              Virtualization/Sandbox Evasion

              1
              T1497

              System Checks

              1
              T1497.001

              Credential Access

              Discovery

              Network Service Discovery

              2
              T1046

              Virtualization/Sandbox Evasion

              1
              T1497

              System Checks

              1
              T1497.001

              Lateral Movement

              Collection

              Command and Control

              Exfiltration

              Impact

              Replay Monitor

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              Downloads

              • /boot/bootcmd
                Filesize

                109B

                MD5

                735cae7d3cbab0f59d95f84790282103

                SHA1

                1cb77931b3097f18988016c9ceba3280a5ccb2ae

                SHA256

                dfdd4cf729384e4ed52516ab72bd86be286c80f53d4f5b764fd2dd2a2b2c983b

                SHA512

                998daa467c4ee63dd41515897728de70cbb9c579ca8b16c26d8e6db5edad53c6dbd6343fb10eda3dbc29b0cb1fa72a9b2653250e9027e6ee02d17726e958bbfe

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              • /etc/init.d/system
                Filesize

                96B

                MD5

                f000251d92c773cc3ee1ca22cf5f0788

                SHA1

                e2386fe6a5f29b1e9e5ad5b38928c024f97105e6

                SHA256

                31a77745dd3724a0691a9255738b9c87516868932e3eb992e2afafcd0574a985

                SHA512

                0dad5adaa7742dd208596fefad53ab21c39fbf2cbe5c9958b92170d555d316f0a0b02ec5236311b869aa18e90592e81439a3a229bf1307b5daf87d87c5f493c2

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              • /etc/inittab
                Filesize

                101B

                MD5

                3d6b6e1b05ad5d0538ccd8804bcd279b

                SHA1

                0fc061b51c225d5bea072c939de05e8a856558bc

                SHA256

                cab2df9c1c498df29445837610f14ae08d4af98d3acac69b0581c01fe594e3c5

                SHA512

                1957857cffbc0d526eb04e40db166d661b9dc59fc31fb5551f31cd58d270f839ffa2098e81c8555b12e9dbd55ba17df662b14c6441a6389eb9a76082fa401c98

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              • /etc/motd
                Filesize

                53B

                MD5

                2bd9b4be30579e633fc0191aa93df486

                SHA1

                7d63a9bd9662e86666b27c1b50db8e7370c624ff

                SHA256

                64dc39f3004dc93c9fc4f1467b4807f2d8e3eb0bfa96b15c19cd8e7d6fa77a1d

                SHA512

                ae6dd7b39191354cf43cf65e517460d7d4c61b8f5c08e33e6ca3c451dc7cab4de89f33934c89396b80f1aade0a4e2571bd5ae8b76ef80b737d4588703d2814d5

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              • /etc/systemd/system/custom.service
                Filesize

                290B

                MD5

                19a440fdac7f578f2fb33719698a082c

                SHA1

                ebadce21c65d05ad62a324deb39c57aecd3edf2c

                SHA256

                b176d41b748466f8ba35246c78a1c940f65403b363c086ccd5b5de577a87cf69

                SHA512

                8bdfac90e7235fc35eeec141a1e2145ed4ea5a250b71bdf0cf0e5e5aa59ab6dc004dc08561bd5547c4a4a106138c98950dc2098c905ce785b9b2c0657684d7bb

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