Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/11/2026, 03:14

General

  • Target
    Lretid.vbs
  • Size 42KB
  • Sample261111-drczaaea46
  • SHA256 434a43103b27de8d8325b1e848679c527913ce8415e81d335ee4074794c7d594
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • RemoteHost

C2
  • 102.220.162.170:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-B39FQ0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Badlisted process makes network request 3 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Lretid.vbs"
    1⤵
    • Badlisted process makes network request
    • Executes a VBScript file via the Windows Script Host.
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious use of WriteProcessMemory
    PID:5248
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /q /v:on /c echo ^%Triblastic^% | !Fiskeflaaders! -
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" echo %Triblastic% "
        3⤵
          PID:5032
        • \??\c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe
          "c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" -
          3⤵
          • Badlisted process makes network request
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3516
          • C:\Windows\SysWOW64\backgroundtaskhost.exe
            "C:\Windows\SysWOW64\backgroundtaskhost.exe"
            4⤵
              PID:2608
            • C:\Windows\SysWOW64\backgroundtaskhost.exe
              "C:\Windows\SysWOW64\backgroundtaskhost.exe"
              4⤵
              • Suspicious use of NtCreateThreadExHideFromDebugger
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1836
              • C:\Windows\SysWOW64\backgroundtaskhost.exe
                "C:\Windows\SysWOW64\backgroundtaskhost.exe"
                5⤵
                  PID:896

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              __PSScriptPolicyTest_nd0pjn4h.lb0.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nd0pjn4h.lb0.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              memory/1836-60-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-64-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-63-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-62-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-61-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-49-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-59-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-65-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-58-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-57-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-56-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-55-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/1836-54-0x0000000000EE0000-0x00000000021C6000-memory.dmp

              memory/3516-19-0x00000000067B0000-0x00000000067CE000-memory.dmp

              memory/3516-36-0x0000000074FC0000-0x000000007577C000-memory.dmp

              memory/3516-25-0x0000000007CB0000-0x0000000007CD2000-memory.dmp

              memory/3516-26-0x0000000008E20000-0x00000000093DA000-memory.dmp

              memory/3516-27-0x0000000074FC0000-0x000000007577C000-memory.dmp

              memory/3516-28-0x0000000074FD2000-0x0000000074FD3000-memory.dmp

              memory/3516-29-0x0000000074FC0000-0x000000007577C000-memory.dmp

              memory/3516-30-0x0000000074FC0000-0x000000007577C000-memory.dmp

              memory/3516-31-0x0000000074FC0000-0x000000007577C000-memory.dmp

              memory/3516-32-0x0000000074FC0000-0x000000007577C000-memory.dmp

              memory/3516-34-0x0000000074FC0000-0x000000007577C000-memory.dmp

              memory/3516-33-0x00000000093E0000-0x000000000A4F7000-memory.dmp

              memory/3516-35-0x0000000074FC0000-0x000000007577C000-memory.dmp

              memory/3516-24-0x0000000007D10000-0x0000000007DA6000-memory.dmp

              memory/3516-23-0x0000000007B90000-0x0000000007BAA000-memory.dmp

              memory/3516-22-0x00000000081E0000-0x000000000885C000-memory.dmp

              memory/3516-21-0x00000000079A0000-0x00000000079E8000-memory.dmp

              memory/3516-20-0x00000000067D0000-0x000000000681C000-memory.dmp

              memory/3516-4-0x0000000074FD2000-0x0000000074FD3000-memory.dmp

              memory/3516-17-0x0000000006310000-0x000000000666B000-memory.dmp

              memory/3516-11-0x00000000062A0000-0x0000000006306000-memory.dmp

              memory/3516-10-0x00000000061C0000-0x0000000006226000-memory.dmp

              memory/3516-9-0x0000000005A50000-0x0000000005A72000-memory.dmp

              memory/3516-7-0x0000000005B70000-0x00000000061BA000-memory.dmp

              memory/3516-8-0x0000000074FC0000-0x000000007577C000-memory.dmp

              memory/3516-6-0x0000000074FC0000-0x000000007577C000-memory.dmp

              memory/3516-5-0x0000000002F40000-0x0000000002F76000-memory.dmp