Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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, 00:12

General

  • Target
    Euro Dam Jas 1128172912390.vbs
  • Size 15.5MB
  • Sample261111-ahn4eacx4l
  • SHA256 b8ce80ef62172572b0d77f6c66fe0524406f38f5602227122846766aa649ace1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://rot.hr/MSI_MPG_with_markers.jpg

  • exe.dropper

    https://rot.hr/MSI_MPG_with_markers.jpg

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • NOVO

C2
  • rem2026.duckdns.org:31881

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-TL41G5

  • 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.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Badlisted process makes network request 2 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

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

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

  • 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 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Euro Dam Jas 1128172912390.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Reads the TCP/IP host and domain name from the registry
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5224
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -w hidden -c Copy-Item -LiteralPath 'C:\Users\Admin\AppData\Local\Temp\Euro Dam Jas 1128172912390.vbs' -Destination 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Euro Dam Jas 1128172912390.vbs' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2660
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& 'C:\Users\Admin\AppData\Local\Temp\radD3FA8.tmp.ps1'; Remove-Item -LiteralPath 'C:\Users\Admin\AppData\Local\Temp\radD3FA8.tmp.ps1' -Force -ErrorAction SilentlyContinue"
    1⤵
    • Process spawned unexpected child process
    • Badlisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5480
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4140

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        logs.dat

        • Path C:\ProgramData\remcos\logs.dat
        • Size 144B
        • SHA256 398f3e94e1ea0397a01f454507c1329dac27cd1d0b59825336fe3ea54fb062e2
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 80ee1fabcc33cf04dbb857c35a65747639c482c4608fd557aa08cd7a9fb28174
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_uengwrto.1pj.psm1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uengwrto.1pj.psm1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        radD3FA8.tmp.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\radD3FA8.tmp.ps1
        • Size 1KB
        • SHA256 4fb39bf0ac490aa589a8b022fe8a1c1a2a591d6f7a6ed29288076d53acde0e5b
        • MD5 SHA1 SHA512 TLSH

        memory/2660-12-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-15-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-7-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-11-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-40-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-13-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-14-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-8-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-16-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-17-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-18-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-0-0x00007FFDC307F000-0x00007FFDC3080000-memory.dmp

        memory/2660-6-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-3-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/2660-2-0x000002442AB40000-0x000002442AB62000-memory.dmp

        memory/4140-89-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-72-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-120-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-118-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-117-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-116-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-30-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-29-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-34-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-31-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-39-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-115-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-113-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-112-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-43-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-44-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-45-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-47-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-48-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-49-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-51-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-52-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-53-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-110-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-55-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-56-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-57-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-59-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-60-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-61-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-63-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-64-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-65-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-67-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-68-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-69-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-71-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-109-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-73-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-75-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-76-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-77-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-79-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-80-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-81-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-83-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-84-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-85-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-87-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-88-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-108-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-91-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-92-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-93-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-94-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-96-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-97-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-99-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-100-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-101-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-102-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-104-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-105-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/4140-107-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/5480-19-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/5480-24-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/5480-21-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/5480-22-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/5480-23-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/5480-41-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/5480-28-0x000001E451050000-0x000001E451074000-memory.dmp

        memory/5480-27-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/5480-26-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp

        memory/5480-25-0x00007FFDC2EF0000-0x00007FFDC3894000-memory.dmp