Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/10/2026, 11:20

General

  • Target
    PaymentInvoice.vbs
  • Size 137KB
  • Sample261028-nfph2sct9q
  • SHA256 7a2b8b6bdc0b266567580eb9bfc0546067b1b774c6002b1bb455ec95dc979fb6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Botnet
  • RemoteHost

C2
  • 102.220.161.195:2404

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-2M8UGW

  • 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.

  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Badlisted process makes network request 2 IoCs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 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.

  • 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
  • Suspicious use of SetThreadContext 3 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 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\PaymentInvoice.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /v:on /c echo ^%samstillingernes^% | !Beretten! -
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4800
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" echo %samstillingernes% "
        3⤵
          PID:4564
        • \??\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:4244
          • C:\Windows\SysWOW64\backgroundtaskhost.exe
            "C:\Windows\SysWOW64\backgroundtaskhost.exe"
            4⤵
              PID:2080
            • C:\Windows\SysWOW64\backgroundtaskhost.exe
              "C:\Windows\SysWOW64\backgroundtaskhost.exe"
              4⤵
              • Suspicious use of NtCreateThreadExHideFromDebugger
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4116
              • C:\Windows\SysWOW64\backgroundtaskhost.exe
                "C:\Windows\SysWOW64\backgroundtaskhost.exe"
                5⤵
                  PID:4252
                • C:\Windows\SysWOW64\rmclient.exe
                  /stext "C:\Users\Admin\AppData\Local\Temp\xojbewjcpuskgwqouexyt"
                  5⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  PID:5520
                • C:\Windows\SysWOW64\rmclient.exe
                  /stext "C:\Users\Admin\AppData\Local\Temp\hixmfouwdckwjceslorswtbur"
                  5⤵
                  • Accesses Microsoft Outlook accounts
                  • Accesses Microsoft Outlook profiles
                  • System Location Discovery: System Language Discovery
                  • outlook_office_path
                  PID:4080
                • C:\Windows\SysWOW64\rmclient.exe
                  /stext "C:\Users\Admin\AppData\Local\Temp\kkcfghexrkcbtjawuzethfwlsdhz"
                  5⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4388

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              logs.dat

              • Path C:\ProgramData\remcos\logs.dat
              • Size 102B
              • SHA256 ab3aa417777398312cc6eaf58b1b971e00f18d65f0089977af0a2c4fa0a60079
              • MD5 SHA1 SHA512 TLSH

              xojbewjcpuskgwqouexyt

              • Path C:\Users\Admin\AppData\Local\Temp\xojbewjcpuskgwqouexyt
              • Size 2B
              • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
              • MD5 SHA1 SHA512

              memory/4080-46-0x0000000000400000-0x0000000000462000-memory.dmp

              memory/4080-52-0x0000000000400000-0x0000000000462000-memory.dmp

              memory/4116-73-0x00000000012E0000-0x00000000025C6000-memory.dmp

              memory/4116-67-0x00000000012E0000-0x00000000025C6000-memory.dmp

              memory/4116-70-0x00000000012E0000-0x00000000025C6000-memory.dmp

              memory/4116-64-0x00000000012E0000-0x00000000025C6000-memory.dmp

              memory/4116-61-0x00000000012E0000-0x00000000025C6000-memory.dmp

              memory/4116-60-0x000000001E990000-0x000000001E9A9000-memory.dmp

              memory/4116-59-0x000000001E990000-0x000000001E9A9000-memory.dmp

              memory/4116-56-0x000000001E990000-0x000000001E9A9000-memory.dmp

              memory/4116-42-0x00000000012E0000-0x00000000025C6000-memory.dmp

              memory/4116-76-0x00000000012E0000-0x00000000025C6000-memory.dmp

              memory/4116-94-0x00000000012E0000-0x00000000025C6000-memory.dmp

              memory/4244-13-0x0000000006E10000-0x0000000006E58000-memory.dmp

              memory/4244-9-0x00000000063A0000-0x00000000066FB000-memory.dmp

              memory/4244-19-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

              memory/4244-20-0x0000000074CB0000-0x000000007546C000-memory.dmp

              memory/4244-21-0x0000000074CB0000-0x000000007546C000-memory.dmp

              memory/4244-22-0x0000000074CB0000-0x000000007546C000-memory.dmp

              memory/4244-23-0x0000000074CB0000-0x000000007546C000-memory.dmp

              memory/4244-25-0x0000000074CB0000-0x000000007546C000-memory.dmp

              memory/4244-24-0x0000000009470000-0x000000000A9D8000-memory.dmp

              memory/4244-26-0x0000000074CB0000-0x000000007546C000-memory.dmp

              memory/4244-27-0x0000000074CB0000-0x000000007546C000-memory.dmp

              memory/4244-29-0x0000000074CB0000-0x000000007546C000-memory.dmp

              memory/4244-17-0x0000000007D10000-0x0000000007D32000-memory.dmp

              memory/4244-16-0x0000000007D70000-0x0000000007E06000-memory.dmp

              memory/4244-1-0x0000000003020000-0x0000000003056000-memory.dmp

              memory/4244-2-0x0000000074CB0000-0x000000007546C000-memory.dmp

              memory/4244-15-0x0000000007C10000-0x0000000007C2A000-memory.dmp

              memory/4244-3-0x0000000005B70000-0x00000000061BA000-memory.dmp

              memory/4244-14-0x0000000008270000-0x00000000088EC000-memory.dmp

              memory/4244-0-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

              memory/4244-11-0x0000000006850000-0x000000000686E000-memory.dmp

              memory/4244-12-0x00000000068C0000-0x000000000690C000-memory.dmp

              memory/4244-18-0x0000000008EB0000-0x000000000946A000-memory.dmp

              memory/4244-6-0x00000000061C0000-0x0000000006226000-memory.dmp

              memory/4244-7-0x0000000006320000-0x0000000006386000-memory.dmp

              memory/4244-5-0x0000000005AB0000-0x0000000005AD2000-memory.dmp

              memory/4244-4-0x0000000074CB0000-0x000000007546C000-memory.dmp

              memory/4388-50-0x0000000000400000-0x0000000000424000-memory.dmp

              memory/4388-49-0x0000000000400000-0x0000000000424000-memory.dmp

              memory/5520-54-0x0000000000400000-0x0000000000482000-memory.dmp