Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    02-12-2024 20:49

General

  • Target

    HORNETrat_launcher.exe

  • Size

    2.9MB

  • MD5

    f07b8eea2d8c8ee368b680254ad0fee5

  • SHA1

    1c75b5bcabedf0e31c76df0ff6ee23ab389bae3b

  • SHA256

    34947ad997759cb6aaf571df44c0996dae57e04cf4510ef4136b8b7ca16eea4e

  • SHA512

    9c01412cb8aa51419f74f8b614f88383f41ce2e2698b373b7d59519d23b875e0660b6fe4a947afa0b79878223afacb8cb8b8a3164b0a44d20f8f58521ff9d21e

  • SSDEEP

    49152:BB3kRVwF/UHWZU5qfD330oa5EL0h81IC4XA4QKa1lWpdh:L0ReSS05G281ICX4QKa1lWpdh

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Dcrat family
  • Process spawned unexpected child process 15 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 15 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 40 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\HORNETrat_launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\HORNETrat_launcher.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\mshyperblock\7CVEgcv.vbe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5040
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\mshyperblock\S9mCKi92BftZwElqhr8FGhYT1zV90zFd1F.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3448
        • C:\mshyperblock\hyperInto.exe
          "C:\mshyperblock/hyperInto.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1344
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\AXpwF8CBIE.bat"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3116
            • C:\Windows\system32\chcp.com
              chcp 65001
              6⤵
                PID:2040
              • C:\Windows\system32\PING.EXE
                ping -n 10 localhost
                6⤵
                • System Network Configuration Discovery: Internet Connection Discovery
                • Runs ping.exe
                PID:2548
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2572
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Portable Devices\WmiPrvSE.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5068
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\WmiPrvSE.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:400
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Portable Devices\WmiPrvSE.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2160
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\Start Menu\taskhostw.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:556
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Users\All Users\Start Menu\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1840
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 10 /tr "'C:\Users\All Users\Start Menu\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4868
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2748
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4404
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5092
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Mail\sppsvc.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2468
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2816
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Mail\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5116
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft.NET\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4400
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1628
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft.NET\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\AXpwF8CBIE.bat

      Filesize

      167B

      MD5

      f6b569551c7fc3e1c325f7caa5c92832

      SHA1

      12a19cfac93aea0a8d213447175efada43760a9c

      SHA256

      c5730822e6c848c8a3a8a4f17e006e3c1314a14df251c6d360e9a958f9169702

      SHA512

      8faf13156b07c738054ba5fcc8f4c3051f80dedf90dd410f329d4e37c04a5b3b8f689ec9c1e9a0ea77341c4d3ae04430506b41d150ec149cd2975423c2eccbe1

    • C:\mshyperblock\7CVEgcv.vbe

      Filesize

      225B

      MD5

      b7a9d7bc751980e5d28b50643805b2b0

      SHA1

      dd4e0de7003f4dfc9a4cc52bfbf542e335a700f3

      SHA256

      417517292e016853942d2072a55cb914a1e9c552af7d4fce9e9497d32d42ae2f

      SHA512

      965e0ecc6c2535d46c7cc27ca7917f5ff20e07b881bf4ab15f26fd25807ad756fed4eca03f8315b68d1e72db1b97f9344ce111955b4c7368f40c5d2f8afec8a0

    • C:\mshyperblock\S9mCKi92BftZwElqhr8FGhYT1zV90zFd1F.bat

      Filesize

      71B

      MD5

      769d41729d7dc06c2302102db2bf90bf

      SHA1

      156cdeacce22a5969515bc4d61f47a908da78f1e

      SHA256

      38f5e3ea511d8cfe28b6d163d844a8cd7c1428ba2f0017793fba1fbae559d54e

      SHA512

      f33d0e2ca822168915a2ac6f8ab8bc4774d8733f92d8937b96c9b3e39ece245f003183c53d55c6a51b6c9b1241d252bd303af7381516ae1cd23641fda45de5c7

    • C:\mshyperblock\hyperInto.exe

      Filesize

      2.6MB

      MD5

      5bdfa3d66339a5624d36ee2038584cfc

      SHA1

      a55b70c8e118a0aa3d3d06281ce5809db2933a7a

      SHA256

      a1cdf05403d641c6717c540e76ee1cff8b3d3723df3574413dbdd7e18d1393fa

      SHA512

      de156c9044d48657056d087252f46ed3c36f1ce676b1e0a2b3946dc29fa6e5347685bff1b4ad83ecb5b194bd3eb2e3976cbd7028d34390590393bbb5373b84c2

    • memory/1344-44-0x000000001B9D0000-0x000000001B9E2000-memory.dmp

      Filesize

      72KB

    • memory/1344-47-0x0000000002D80000-0x0000000002D8C000-memory.dmp

      Filesize

      48KB

    • memory/1344-55-0x0000000002DC0000-0x0000000002DCC000-memory.dmp

      Filesize

      48KB

    • memory/1344-53-0x000000001BA10000-0x000000001BA28000-memory.dmp

      Filesize

      96KB

    • memory/1344-51-0x0000000002DB0000-0x0000000002DBE000-memory.dmp

      Filesize

      56KB

    • memory/1344-49-0x000000001C560000-0x000000001C5BA000-memory.dmp

      Filesize

      360KB

    • memory/1344-45-0x000000001CA90000-0x000000001CFB8000-memory.dmp

      Filesize

      5.2MB

    • memory/1344-42-0x000000001B9B0000-0x000000001B9C6000-memory.dmp

      Filesize

      88KB

    • memory/1344-40-0x0000000002D70000-0x0000000002D80000-memory.dmp

      Filesize

      64KB

    • memory/1344-28-0x0000000000A90000-0x0000000000D26000-memory.dmp

      Filesize

      2.6MB

    • memory/1344-30-0x0000000002CE0000-0x0000000002CEE000-memory.dmp

      Filesize

      56KB

    • memory/1344-32-0x0000000002CF0000-0x0000000002D00000-memory.dmp

      Filesize

      64KB

    • memory/1344-34-0x0000000002D00000-0x0000000002D0E000-memory.dmp

      Filesize

      56KB

    • memory/1344-36-0x0000000002D90000-0x0000000002DA2000-memory.dmp

      Filesize

      72KB

    • memory/1344-38-0x0000000002D10000-0x0000000002D1C000-memory.dmp

      Filesize

      48KB

    • memory/2572-12-0x0000021275110000-0x0000021275111000-memory.dmp

      Filesize

      4KB

    • memory/2572-18-0x0000021275110000-0x0000021275111000-memory.dmp

      Filesize

      4KB

    • memory/2572-13-0x0000021275110000-0x0000021275111000-memory.dmp

      Filesize

      4KB

    • memory/2572-17-0x0000021275110000-0x0000021275111000-memory.dmp

      Filesize

      4KB

    • memory/2572-21-0x0000021275110000-0x0000021275111000-memory.dmp

      Filesize

      4KB

    • memory/2572-19-0x0000021275110000-0x0000021275111000-memory.dmp

      Filesize

      4KB

    • memory/2572-20-0x0000021275110000-0x0000021275111000-memory.dmp

      Filesize

      4KB

    • memory/2572-22-0x0000021275110000-0x0000021275111000-memory.dmp

      Filesize

      4KB

    • memory/2572-23-0x0000021275110000-0x0000021275111000-memory.dmp

      Filesize

      4KB

    • memory/2572-11-0x0000021275110000-0x0000021275111000-memory.dmp

      Filesize

      4KB