Analysis

  • max time kernel
    299s
  • max time network
    292s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 06:51

General

  • Target
    RFQ-033-N-F-GH.vbe
  • Size 187KB
  • Sample261001-hmrdbsch84
  • SHA256 fa35ebddd896a6afa8f39ab44c68abdfb0c9e9f282992cb453cad4d1e47e22da
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • RemoteHost

C2
  • 102.220.163.40:2404

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-J652VL

  • 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 2 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • 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.

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

  • 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
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RFQ-033-N-F-GH.vbe"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:5656
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /v:on /c echo ^%Toddyskes87^% | !Oprettelsesafgifternes! -
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:788
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" echo %Toddyskes87% "
        3⤵
          PID:2892
        • \??\c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe
          "c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" -
          3⤵
          • Badlisted process makes network request
          • Enumerates connected drives
          • 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:2924
          • C:\Windows\SysWOW64\backgroundtaskhost.exe
            "C:\Windows\SysWOW64\backgroundtaskhost.exe"
            4⤵
              PID:4188
            • C:\Windows\SysWOW64\backgroundtaskhost.exe
              "C:\Windows\SysWOW64\backgroundtaskhost.exe"
              4⤵
              • Accesses Microsoft Outlook profiles
              • Enumerates connected drives
              • Suspicious use of NtCreateThreadExHideFromDebugger
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              • outlook_office_path
              PID:2100
              • C:\Windows\SysWOW64\backgroundtaskhost.exe
                "C:\Windows\SysWOW64\backgroundtaskhost.exe"
                5⤵
                  PID:5484

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/2100-37-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-72-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-71-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-70-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-69-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-68-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-67-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-66-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-65-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-61-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-60-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-59-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-55-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-54-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-53-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-52-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-51-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-50-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-49-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-48-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2100-47-0x000000001E950000-0x000000001EA47000-memory.dmp

              memory/2100-46-0x000000001E950000-0x000000001EA47000-memory.dmp

              memory/2100-43-0x000000001E950000-0x000000001EA47000-memory.dmp

              memory/2100-42-0x0000000000900000-0x0000000001BE6000-memory.dmp

              memory/2924-15-0x0000000007700000-0x000000000771A000-memory.dmp

              memory/2924-17-0x00000000077C0000-0x00000000077E2000-memory.dmp

              memory/2924-28-0x0000000008F60000-0x000000000BC57000-memory.dmp

              memory/2924-30-0x0000000074AF0000-0x00000000752AC000-memory.dmp

              memory/2924-27-0x0000000074AF0000-0x00000000752AC000-memory.dmp

              memory/2924-26-0x0000000074AF0000-0x00000000752AC000-memory.dmp

              memory/2924-24-0x0000000074AF0000-0x00000000752AC000-memory.dmp

              memory/2924-23-0x0000000074AF0000-0x00000000752AC000-memory.dmp

              memory/2924-22-0x0000000074AF0000-0x00000000752AC000-memory.dmp

              memory/2924-20-0x0000000074B02000-0x0000000074B03000-memory.dmp

              memory/2924-21-0x0000000074AF0000-0x00000000752AC000-memory.dmp

              memory/2924-19-0x0000000074AF0000-0x00000000752AC000-memory.dmp

              memory/2924-18-0x00000000089A0000-0x0000000008F5A000-memory.dmp

              memory/2924-29-0x0000000074AF0000-0x00000000752AC000-memory.dmp

              memory/2924-16-0x0000000007820000-0x00000000078B6000-memory.dmp

              memory/2924-0-0x0000000074B02000-0x0000000074B03000-memory.dmp

              memory/2924-14-0x0000000007D60000-0x00000000083DC000-memory.dmp

              memory/2924-13-0x0000000007410000-0x0000000007458000-memory.dmp

              memory/2924-12-0x00000000062E0000-0x000000000632C000-memory.dmp

              memory/2924-11-0x0000000006230000-0x000000000624E000-memory.dmp

              memory/2924-10-0x0000000005D90000-0x00000000060EB000-memory.dmp

              memory/2924-7-0x0000000005D20000-0x0000000005D86000-memory.dmp

              memory/2924-6-0x0000000005CB0000-0x0000000005D16000-memory.dmp

              memory/2924-5-0x00000000054A0000-0x00000000054C2000-memory.dmp

              memory/2924-4-0x0000000074AF0000-0x00000000752AC000-memory.dmp

              memory/2924-3-0x0000000005570000-0x0000000005BBA000-memory.dmp

              memory/2924-2-0x0000000074AF0000-0x00000000752AC000-memory.dmp

              memory/2924-1-0x0000000004D60000-0x0000000004D96000-memory.dmp