Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/06/2026, 15:18

General

  • Target
    _5a8fa23a95dc7dfba540639f24eaab16f3ac93f5b17560f2bf7ef50275b9c384.vbs
  • Size 443KB
  • Sample260622-sp43bady2p
  • SHA256 5a8fa23a95dc7dfba540639f24eaab16f3ac93f5b17560f2bf7ef50275b9c384
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Botnet
  • RemoteHost

C2
  • 104.168.7.223:2404

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-2E5AG7

  • 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 1 IoCs

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

  • Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\_5a8fa23a95dc7dfba540639f24eaab16f3ac93f5b17560f2bf7ef50275b9c384.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Windows\System32\conhost.exe
      "C:\Windows\System32\conhost.exe" --headless powershell.exe -W h -nop -nOni -Command "&([scriptblock]::Create($env:mZ6851y94BkmU))"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2140
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -W h -nop -nOni -Command &([scriptblock]::Create($env:mZ6851y94BkmU))
        3⤵
        • Badlisted process makes network request
        • Registers new Windows logon scripts automatically executed at logon.
        • Suspicious use of SetThreadContext
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4232
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          4⤵
          • Accesses Microsoft Outlook profiles
          • outlook_office_path
          PID:436

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/436-35-0x0000000010000000-0x00000000100F7000-memory.dmp

        memory/436-34-0x0000000010000000-0x00000000100F7000-memory.dmp

        memory/436-45-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-44-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-43-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-39-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-40-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-38-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-37-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-36-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-46-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-31-0x0000000010000000-0x00000000100F7000-memory.dmp

        memory/436-29-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-30-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-17-0x00000000011C0000-0x00000000011C1000-memory.dmp

        memory/436-24-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-19-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-16-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-28-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-25-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/436-27-0x0000000001120000-0x00000000011AD000-memory.dmp

        memory/4232-11-0x00000248F2FF0000-0x00000248F3002000-memory.dmp

        memory/4232-26-0x00007FFAB7620000-0x00007FFAB7FC4000-memory.dmp

        memory/4232-15-0x00007FFAB7620000-0x00007FFAB7FC4000-memory.dmp

        memory/4232-14-0x00007FFAB7620000-0x00007FFAB7FC4000-memory.dmp

        memory/4232-13-0x00007FFAB7620000-0x00007FFAB7FC4000-memory.dmp

        memory/4232-12-0x00007FFAB7620000-0x00007FFAB7FC4000-memory.dmp

        memory/4232-0-0x00007FFAB77AF000-0x00007FFAB77B0000-memory.dmp

        memory/4232-10-0x00007FFAB7620000-0x00007FFAB7FC4000-memory.dmp

        memory/4232-9-0x00000248F2F90000-0x00000248F2FEC000-memory.dmp

        memory/4232-8-0x00007FFAB7620000-0x00007FFAB7FC4000-memory.dmp

        memory/4232-7-0x00007FFAB7620000-0x00007FFAB7FC4000-memory.dmp

        memory/4232-6-0x00007FFAB7620000-0x00007FFAB7FC4000-memory.dmp

        memory/4232-5-0x00007FFAB7620000-0x00007FFAB7FC4000-memory.dmp

        memory/4232-4-0x00000248F2F20000-0x00000248F2F42000-memory.dmp

        memory/4232-3-0x00007FFAB7620000-0x00007FFAB7FC4000-memory.dmp