Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 13:53

General

  • Target
    000001Verifica_di_fatture_e_conti_EUR890060.vbs
  • Size 190KB
  • Sample260930-q7ffkatbkc
  • SHA256 61e37f0bc48504ca6634042698187e8e6c7363c6be09e3b4fe03343b62acc92c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Botnet
  • maIn7x

C2
  • karouts3ustyer1.duckdns.org:37690

  • karouts3ustyer2.duckdns.org:37690

  • karouts3ustyer3.duckdns.org:37690

  • karouts3ustyer4.duckdns.org:37690

  • karouts3ustyer5.duckdns.org:37690

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    lkamaoest.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    jaourttistr-72E3T1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: Remcos

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

  • Suricata alert: REMCOS RAT Malware Inbound C2 Communication 8 IoCs

    Network activity triggered a Suricata alert

  • Suricata alert: REMCOS RAT Malware Outbound C2 Communication 10 IoCs

    Network activity triggered a Suricata alert

  • Detected Nirsoft tools 1 IoCs

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

  • Badlisted process makes network request 3 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • Enumerates connected drives 3 TTPs 5 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
  • 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.

  • 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 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 18 IoCs
  • Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 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\000001Verifica_di_fatture_e_conti_EUR890060.vbs"
    1⤵
    • Badlisted process makes network request
    • Checks computer location settings
    • 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:2988
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /v:on /c echo ^%Unruinous^% | !ultratrivial! -
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4144
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" echo %Unruinous% "
        3⤵
          PID:1036
        • \??\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:4476
          • C:\Windows\SysWOW64\backgroundtaskhost.exe
            "C:\Windows\SysWOW64\backgroundtaskhost.exe"
            4⤵
              PID:1656
            • C:\Windows\SysWOW64\backgroundtaskhost.exe
              "C:\Windows\SysWOW64\backgroundtaskhost.exe"
              4⤵
              • Suricata alert: REMCOS RAT Malware Inbound C2 Communication
              • Suricata alert: REMCOS RAT Malware Outbound C2 Communication
              • Enumerates connected drives
              • 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:4192
              • C:\Windows\SysWOW64\backgroundtaskhost.exe
                "C:\Windows\SysWOW64\backgroundtaskhost.exe"
                5⤵
                  PID:4988
                • C:\Windows\SysWOW64\svchost.exe
                  C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\jernpfwnuuhvwsoucrpq"
                  5⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3320
                • C:\Windows\SysWOW64\svchost.exe
                  C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\tyfyqyhoiczzhgkylbbrdzj"
                  5⤵
                  • Accesses Microsoft Outlook accounts
                  • Accesses Microsoft Outlook profiles
                  • System Location Discovery: System Language Discovery
                  • outlook_office_path
                  PID:4296
                • C:\Windows\SysWOW64\svchost.exe
                  C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\eakqqqsiekrejmykdmotgmdzzcb"
                  5⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:5016

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              __PSScriptPolicyTest_ybbeg5b1.ell.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ybbeg5b1.ell.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              jernpfwnuuhvwsoucrpq

              • Path C:\Users\Admin\AppData\Local\Temp\jernpfwnuuhvwsoucrpq
              • Size 4KB
              • SHA256 f88dd687ed365de7ebf8751689fbd1728591ff67d1a06f58ed68a104cf25247e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/3320-47-0x0000000000400000-0x000000000047E000-memory.dmp

              memory/3320-57-0x0000000000400000-0x000000000047E000-memory.dmp

              memory/4192-68-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4192-63-0x000000001E840000-0x000000001E859000-memory.dmp

              memory/4192-71-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4192-73-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4192-70-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4192-69-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4192-43-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4192-67-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4192-66-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4192-72-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4192-62-0x000000001E840000-0x000000001E859000-memory.dmp

              memory/4192-59-0x000000001E840000-0x000000001E859000-memory.dmp

              memory/4192-74-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4192-75-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4192-76-0x00000000010A0000-0x00000000022F4000-memory.dmp

              memory/4296-53-0x0000000000400000-0x000000000045E000-memory.dmp

              memory/4296-48-0x0000000000400000-0x000000000045E000-memory.dmp

              memory/4476-22-0x00000000079B0000-0x0000000007A26000-memory.dmp

              memory/4476-25-0x0000000007C60000-0x0000000007CF6000-memory.dmp

              memory/4476-34-0x0000000009290000-0x000000000DE96000-memory.dmp

              memory/4476-35-0x0000000005280000-0x0000000005290000-memory.dmp

              memory/4476-36-0x00000000080A0000-0x00000000080A5000-memory.dmp

              memory/4476-31-0x0000000005280000-0x0000000005290000-memory.dmp

              memory/4476-30-0x0000000005280000-0x0000000005290000-memory.dmp

              memory/4476-29-0x0000000005280000-0x0000000005290000-memory.dmp

              memory/4476-5-0x0000000002D00000-0x0000000002D36000-memory.dmp

              memory/4476-28-0x0000000005280000-0x0000000005290000-memory.dmp

              memory/4476-6-0x0000000005280000-0x0000000005290000-memory.dmp

              memory/4476-27-0x0000000008CE0000-0x0000000009284000-memory.dmp

              memory/4476-26-0x0000000007C00000-0x0000000007C22000-memory.dmp

              memory/4476-32-0x00000000080A0000-0x00000000080A5000-memory.dmp

              memory/4476-23-0x00000000080B0000-0x000000000872A000-memory.dmp

              memory/4476-24-0x0000000007A50000-0x0000000007A6A000-memory.dmp

              memory/4476-4-0x0000000005280000-0x0000000005290000-memory.dmp

              memory/4476-21-0x0000000006C40000-0x0000000006C84000-memory.dmp

              memory/4476-20-0x0000000006700000-0x000000000674C000-memory.dmp

              memory/4476-19-0x00000000066C0000-0x00000000066DE000-memory.dmp

              memory/4476-18-0x00000000060C0000-0x0000000006414000-memory.dmp

              memory/4476-10-0x0000000006050000-0x00000000060B6000-memory.dmp

              memory/4476-9-0x0000000005FE0000-0x0000000006046000-memory.dmp

              memory/4476-8-0x00000000057F0000-0x0000000005812000-memory.dmp

              memory/4476-7-0x00000000058C0000-0x0000000005EE8000-memory.dmp

              memory/5016-55-0x0000000000400000-0x0000000000424000-memory.dmp

              memory/5016-51-0x0000000000400000-0x0000000000424000-memory.dmp