Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 08:14

General

  • Target
    PO10272026.PDF.cmd.exe
  • Size 1.0MB
  • Sample261027-j45sqada73
  • SHA256 cd8c09de104bfd42f51d80b1699da8e4b1ce69aa06d7a5577c66cd44772e78b9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.2.5 Pro

Botnet
  • RemoteHost

C2
  • onboard.radiantfluxstudio.com:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    chromeview.exe

  • copy_folder

    GoogleDoc

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-4GJ0FD

  • 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 4 IoCs

    Network activity triggered a Suricata alert

  • Suricata alert: REMCOS RAT Malware Outbound C2 Communication 5 IoCs

    Network activity triggered a Suricata alert

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 2 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO10272026.PDF.cmd.exe
    "C:\Users\Admin\AppData\Local\Temp\PO10272026.PDF.cmd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5168
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO10272026.PDF.cmd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3820
    • C:\Users\Admin\AppData\Local\Temp\PO10272026.PDF.cmd.exe
      "C:\Users\Admin\AppData\Local\Temp\PO10272026.PDF.cmd.exe"
      2⤵
        PID:3828
      • C:\Users\Admin\AppData\Local\Temp\PO10272026.PDF.cmd.exe
        "C:\Users\Admin\AppData\Local\Temp\PO10272026.PDF.cmd.exe"
        2⤵
          PID:5652
        • C:\Users\Admin\AppData\Local\Temp\PO10272026.PDF.cmd.exe
          "C:\Users\Admin\AppData\Local\Temp\PO10272026.PDF.cmd.exe"
          2⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5636
          • C:\Users\Admin\AppData\Roaming\GoogleDoc\chromeview.exe
            "C:\Users\Admin\AppData\Roaming\GoogleDoc\chromeview.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2872
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GoogleDoc\chromeview.exe"
              4⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3196
            • C:\Users\Admin\AppData\Roaming\GoogleDoc\chromeview.exe
              "C:\Users\Admin\AppData\Roaming\GoogleDoc\chromeview.exe"
              4⤵
              • Executes dropped EXE
              PID:5096
            • C:\Users\Admin\AppData\Roaming\GoogleDoc\chromeview.exe
              "C:\Users\Admin\AppData\Roaming\GoogleDoc\chromeview.exe"
              4⤵
              • Suricata alert: REMCOS RAT Malware Inbound C2 Communication
              • Suricata alert: REMCOS RAT Malware Outbound C2 Communication
              • Executes dropped EXE
              • Adds Run key to start application
              • Reads the TCP/IP host and domain name from the registry
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:4340

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            logs.dat

            • Path C:\ProgramData\remcos\logs.dat
            • Size 102B
            • SHA256 1acf87548c9e6f248db8fb184c7e38ccfb2b9c5586c43493da4973e34fe0e724
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 21KB
            • SHA256 267047eae19087281d8943641e03ad48e02d056e3d89068931bd0b28e713d1c7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            __PSScriptPolicyTest_pmu5club.aek.psm1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pmu5club.aek.psm1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            chromeview.exe

            • Path C:\Users\Admin\AppData\Roaming\GoogleDoc\chromeview.exe
            • Size 1.0MB
            • SHA256 cd8c09de104bfd42f51d80b1699da8e4b1ce69aa06d7a5577c66cd44772e78b9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2872-33-0x0000000004D90000-0x0000000004DA2000-memory.dmp

            memory/3196-65-0x00000000079B0000-0x0000000007A53000-memory.dmp

            memory/3196-62-0x0000000071B20000-0x0000000071B6C000-memory.dmp

            memory/3196-61-0x00000000068F0000-0x000000000693C000-memory.dmp

            memory/3196-57-0x00000000061D0000-0x000000000652B000-memory.dmp

            memory/3820-45-0x00000000748C0000-0x000000007507C000-memory.dmp

            memory/3820-17-0x00000000748D2000-0x00000000748D3000-memory.dmp

            memory/3820-40-0x0000000007900000-0x0000000007F7C000-memory.dmp

            memory/3820-35-0x0000000071FD0000-0x000000007201C000-memory.dmp

            memory/3820-39-0x0000000007160000-0x0000000007203000-memory.dmp

            memory/3820-42-0x0000000007330000-0x000000000733A000-memory.dmp

            memory/3820-38-0x0000000006520000-0x0000000006540000-memory.dmp

            memory/3820-34-0x0000000007110000-0x0000000007146000-memory.dmp

            memory/3820-18-0x0000000004A80000-0x0000000004AB6000-memory.dmp

            memory/3820-41-0x00000000072C0000-0x00000000072DA000-memory.dmp

            memory/3820-19-0x00000000748C0000-0x000000007507C000-memory.dmp

            memory/3820-20-0x0000000005260000-0x00000000058AA000-memory.dmp

            memory/3820-21-0x00000000748C0000-0x000000007507C000-memory.dmp

            memory/3820-43-0x0000000007530000-0x00000000075C6000-memory.dmp

            memory/3820-23-0x0000000005180000-0x00000000051A2000-memory.dmp

            memory/3820-31-0x0000000005BD0000-0x0000000005BEE000-memory.dmp

            memory/3820-32-0x0000000006010000-0x000000000605C000-memory.dmp

            memory/3820-28-0x0000000005A10000-0x0000000005A76000-memory.dmp

            memory/3820-27-0x00000000058B0000-0x0000000005916000-memory.dmp

            memory/3820-30-0x0000000005C70000-0x0000000005FCB000-memory.dmp

            memory/4340-50-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/4340-53-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/4340-81-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/4340-80-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/4340-73-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/4340-72-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/4340-58-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/4340-59-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/4340-54-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/4340-49-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/5168-11-0x0000000009200000-0x000000000972C000-memory.dmp

            memory/5168-2-0x00000000056C0000-0x0000000005C7A000-memory.dmp

            memory/5168-7-0x0000000005280000-0x0000000005292000-memory.dmp

            memory/5168-0-0x00000000748D2000-0x00000000748D3000-memory.dmp

            memory/5168-9-0x00000000748C0000-0x000000007507C000-memory.dmp

            memory/5168-10-0x0000000008C10000-0x0000000008CD4000-memory.dmp

            memory/5168-22-0x00000000748C0000-0x000000007507C000-memory.dmp

            memory/5168-6-0x00000000748C0000-0x000000007507C000-memory.dmp

            memory/5168-12-0x0000000009730000-0x0000000009BFC000-memory.dmp

            memory/5168-1-0x00000000004A0000-0x00000000005AC000-memory.dmp

            memory/5168-5-0x0000000005290000-0x000000000532C000-memory.dmp

            memory/5168-4-0x00000000050E0000-0x00000000050EA000-memory.dmp

            memory/5168-3-0x0000000005100000-0x0000000005192000-memory.dmp

            memory/5168-8-0x00000000748D2000-0x00000000748D3000-memory.dmp

            memory/5636-13-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/5636-14-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/5636-15-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/5636-16-0x0000000000400000-0x000000000048D000-memory.dmp

            memory/5636-29-0x0000000000400000-0x000000000048D000-memory.dmp