Analysis

  • max time kernel
    39s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/10/2026, 13:27

General

  • Target
    Kajeput.vbs
  • Size 139KB
  • Sample261028-qqbfaa1ycs
  • SHA256 b43a005188f195683c34d9ea85522fe1563ed91adf0b9df9b65d77dab8620e68
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • RemoteHost1

C2
  • 130.12.182.29:2404

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-GLASEN

  • 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: Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • 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 SetWindowsHookEx 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\Kajeput.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:2864
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /v:on /c echo ^%Thermic^% | !Uforknyttes! -
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3532
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" echo %Thermic% "
        3⤵
          PID:4244
        • \??\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:456
          • C:\Windows\SysWOW64\backgroundtaskhost.exe
            "C:\Windows\SysWOW64\backgroundtaskhost.exe"
            4⤵
              PID:2240
            • C:\Windows\SysWOW64\backgroundtaskhost.exe
              "C:\Windows\SysWOW64\backgroundtaskhost.exe"
              4⤵
              • Accesses Microsoft Outlook profiles
              • Suspicious use of NtCreateThreadExHideFromDebugger
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              • outlook_office_path
              PID:3228
              • C:\Windows\SysWOW64\backgroundtaskhost.exe
                "C:\Windows\SysWOW64\backgroundtaskhost.exe"
                5⤵
                  PID:2340

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              Login Data For Account.tmp

              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data For Account.tmp
              • Size 40KB
              • SHA256 06aeb2f9c1ee642348c091fb27541c143545354c273055ce30832e0f61aedf81
              • MD5 SHA1 SHA512 SSDEEP TLSH

              __PSScriptPolicyTest_nlnmdhec.0id.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nlnmdhec.0id.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              memory/456-24-0x00000000070B0000-0x00000000070CA000-memory.dmp

              memory/456-31-0x00000000088F0000-0x000000000A80B000-memory.dmp

              memory/456-8-0x00000000054A0000-0x00000000054C2000-memory.dmp

              memory/456-10-0x00000000057B0000-0x0000000005816000-memory.dmp

              memory/456-26-0x0000000007280000-0x00000000072A2000-memory.dmp

              memory/456-6-0x0000000004800000-0x0000000004810000-memory.dmp

              memory/456-18-0x0000000005820000-0x0000000005B74000-memory.dmp

              memory/456-19-0x0000000005D30000-0x0000000005D4E000-memory.dmp

              memory/456-20-0x0000000005DC0000-0x0000000005E0C000-memory.dmp

              memory/456-21-0x0000000006E80000-0x0000000006EC4000-memory.dmp

              memory/456-22-0x0000000007010000-0x0000000007086000-memory.dmp

              memory/456-23-0x0000000007710000-0x0000000007D8A000-memory.dmp

              memory/456-7-0x0000000004E40000-0x0000000005468000-memory.dmp

              memory/456-5-0x00000000047C0000-0x00000000047F6000-memory.dmp

              memory/456-9-0x0000000005740000-0x00000000057A6000-memory.dmp

              memory/456-27-0x0000000008340000-0x00000000088E4000-memory.dmp

              memory/456-28-0x0000000004800000-0x0000000004810000-memory.dmp

              memory/456-29-0x0000000007FC0000-0x0000000007FC5000-memory.dmp

              memory/456-30-0x00000000088F0000-0x000000000A80B000-memory.dmp

              memory/456-4-0x0000000004800000-0x0000000004810000-memory.dmp

              memory/456-33-0x0000000007FC0000-0x0000000007FC5000-memory.dmp

              memory/456-34-0x00000000088F0000-0x000000000A80B000-memory.dmp

              memory/456-25-0x00000000072E0000-0x0000000007376000-memory.dmp

              memory/3228-47-0x00000000008A0000-0x0000000001AF4000-memory.dmp

              memory/3228-56-0x000000001E220000-0x000000001E317000-memory.dmp

              memory/3228-55-0x000000001E220000-0x000000001E317000-memory.dmp

              memory/3228-52-0x000000001E220000-0x000000001E317000-memory.dmp

              memory/3228-64-0x00000000008A0000-0x0000000001AF4000-memory.dmp