Analysis

  • max time kernel
    58s
  • max time network
    61s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 20:24

General

  • Target
    fe07ca8e71d5368bca62d73ae369b44a3bed836f673ee9cf87038bcbe878d0c7.exe
  • Size 1.5MB
  • Sample260817-y6t7bsdf39
  • SHA256 fe07ca8e71d5368bca62d73ae369b44a3bed836f673ee9cf87038bcbe878d0c7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 2.2.0 Light

Botnet
  • RemoteHost

C2
  • coolslotforum.com:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    3

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-05XUU1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Executes dropped EXE 11 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in System32 directory 24 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Checks SCSI registry key(s) 3 TTPs 36 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe07ca8e71d5368bca62d73ae369b44a3bed836f673ee9cf87038bcbe878d0c7.exe
    "C:\Users\Admin\AppData\Local\Temp\fe07ca8e71d5368bca62d73ae369b44a3bed836f673ee9cf87038bcbe878d0c7.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3556
  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    PID:4768
  • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:2592
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    PID:1480
  • \??\c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE
    "c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"
    1⤵
    • Executes dropped EXE
    PID:4892
  • C:\Windows\system32\PerceptionSimulation\PerceptionSimulationService.exe
    C:\Windows\system32\PerceptionSimulation\PerceptionSimulationService.exe
    1⤵
    • Executes dropped EXE
    PID:2356
  • C:\Windows\SysWow64\perfhost.exe
    C:\Windows\SysWow64\perfhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5932
  • C:\Windows\System32\ReFsDedupSvc.exe
    C:\Windows\System32\ReFsDedupSvc.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:2436
  • C:\Windows\System32\SensorDataService.exe
    C:\Windows\System32\SensorDataService.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Checks SCSI registry key(s)
    PID:4292
  • C:\Windows\System32\OpenSSH\ssh-agent.exe
    C:\Windows\System32\OpenSSH\ssh-agent.exe
    1⤵
    • Executes dropped EXE
    PID:5396
  • C:\Windows\system32\AgentService.exe
    C:\Windows\system32\AgentService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4704
  • C:\Windows\system32\SearchIndexer.exe
    C:\Windows\system32\SearchIndexer.exe /Embedding
    1⤵
    • Executes dropped EXE
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3420
    • C:\Windows\System32\SearchProtocolHost.exe
      "C:\Windows\System32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe1_ Global\UsGthrCtrlFltPipeMssGthrPipe1 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"
      2⤵
      • Modifies data under HKEY_USERS
      PID:2940
    • C:\Windows\System32\SearchProtocolHost.exe
      "C:\Windows\System32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe_S-1-5-21-1738198120-2966725515-3980530802-10002_ Global\UsGthrCtrlFltPipeMssGthrPipe_S-1-5-21-1738198120-2966725515-3980530802-10002 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon" "1"
      2⤵
        PID:624
      • C:\Windows\System32\SearchFilterHost.exe
        "C:\Windows\System32\SearchFilterHost.exe" 952 2856 2836 928 {06DC0F6A-A3E7-4365-A8E8-F674FE2E6361}
        2⤵
        • Modifies data under HKEY_USERS
        PID:4660
      • C:\Windows\System32\SearchFilterHost.exe
        "C:\Windows\System32\SearchFilterHost.exe" 952 2876 2872 928 {7FC3863B-7471-4B10-84E3-A5C2E0330618}
        2⤵
          PID:5540

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            elevation_service.exe

            • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
            • Size 2.7MB
            • SHA256 45ae301a15ceeef332c149776937392f495134ca342a927cc6d0b79b6547bcd4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            maintenanceservice.exe

            • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
            • Size 1.8MB
            • SHA256 04f72fdb696180cbbc2dc8e461c4c31a7dcef332f9952fe52c41a27d00985c63
            • MD5 SHA1 SHA512 SSDEEP TLSH

            OSE.EXE

            • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
            • Size 1.7MB
            • SHA256 4c437518ac071f2c0486d8ac41d27620be1428a7f2ef303624f147914def95e6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            elevation_service.exe

            • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
            • Size 2.8MB
            • SHA256 22bc4f65e65dacf3f780e3e7f26927560fd76bfb4ed69aeff63ded7514d8eb2a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            perfhost.exe

            • Path C:\Windows\SysWOW64\perfhost.exe
            • Size 1.5MB
            • SHA256 d586533bda41e53f86fb79a6764fa1b82aa9efb21364e86a6059f3e9e09720a3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            AgentService.exe

            • Path C:\Windows\System32\AgentService.exe
            • Size 1.4MB
            • SHA256 874fc8f869984929ebc53a737fc56ce6120dcaf37d794034265e384b71d28cd4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ssh-agent.exe

            • Path C:\Windows\System32\OpenSSH\ssh-agent.exe
            • Size 2.0MB
            • SHA256 26f1a3d91f276d438e99029f3bb1a47e9c62e60ac6ded863fa43ca7eabafc450
            • MD5 SHA1 SHA512 SSDEEP TLSH

            PerceptionSimulationService.exe

            • Path C:\Windows\System32\PerceptionSimulation\PerceptionSimulationService.exe
            • Size 1.7MB
            • SHA256 ce7aab6c3668c61f0c33945c085f58410c6c7401d81ef36d0f46ce3e221c386c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ReFsDedupSvc.exe

            • Path C:\Windows\System32\ReFsDedupSvc.exe
            • Size 2.6MB
            • SHA256 65c89bc59b53e104e0fbd00e041b8ec5e87d13501fe1908d5e476c3d49a5747d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SearchIndexer.exe

            • Path C:\Windows\System32\SearchIndexer.exe
            • Size 1.4MB
            • SHA256 78c98748d3c19291eda67c2c0a120d0a7024bf18ca83000c80614b988e38ad38
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SensorDataService.exe

            • Path C:\Windows\System32\SensorDataService.exe
            • Size 1.7MB
            • SHA256 2ca22e4f41e9fc90f9a3265e8bd014c3e4dbac13129d5272cef1c95117bc3876
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1480-45-0x0000000001700000-0x0000000001760000-memory.dmp

            memory/1480-38-0x0000000140000000-0x00000001402BE000-memory.dmp

            memory/1480-62-0x0000000140000000-0x00000001402BE000-memory.dmp

            memory/1480-39-0x0000000001700000-0x0000000001760000-memory.dmp

            memory/1480-48-0x0000000001700000-0x0000000001760000-memory.dmp

            memory/2356-65-0x0000000140000000-0x00000001402B4000-memory.dmp

            memory/2356-66-0x0000000000CE0000-0x0000000000D40000-memory.dmp

            memory/2356-72-0x0000000000CE0000-0x0000000000D40000-memory.dmp

            memory/2356-268-0x0000000140000000-0x00000001402B4000-memory.dmp

            memory/2436-94-0x0000000000760000-0x00000000007C0000-memory.dmp

            memory/2436-297-0x0000000140000000-0x00000001402C9000-memory.dmp

            memory/2436-333-0x0000000140000000-0x00000001402C9000-memory.dmp

            memory/2436-331-0x0000000000760000-0x00000000007C0000-memory.dmp

            memory/2436-88-0x0000000000760000-0x00000000007C0000-memory.dmp

            memory/2436-87-0x0000000140000000-0x00000001402C9000-memory.dmp

            memory/2592-26-0x0000000140000000-0x00000001402D4000-memory.dmp

            memory/2592-131-0x0000000140000000-0x00000001402D4000-memory.dmp

            memory/2592-27-0x00000000006E0000-0x0000000000740000-memory.dmp

            memory/2592-34-0x00000000006E0000-0x0000000000740000-memory.dmp

            memory/2592-33-0x00000000006E0000-0x0000000000740000-memory.dmp

            memory/3420-317-0x0000000140000000-0x0000000140172000-memory.dmp

            memory/3420-149-0x00000000006A0000-0x0000000000700000-memory.dmp

            memory/3420-143-0x00000000006A0000-0x0000000000700000-memory.dmp

            memory/3420-142-0x0000000140000000-0x0000000140172000-memory.dmp

            memory/3556-8-0x00000000026B0000-0x0000000002717000-memory.dmp

            memory/3556-318-0x0000000000400000-0x000000000068E000-memory.dmp

            memory/3556-336-0x0000000000400000-0x000000000068E000-memory.dmp

            memory/3556-76-0x0000000000400000-0x000000000068E000-memory.dmp

            memory/3556-1-0x00000000026B0000-0x0000000002717000-memory.dmp

            memory/3556-236-0x0000000000400000-0x000000000068E000-memory.dmp

            memory/3556-334-0x0000000000400000-0x000000000068E000-memory.dmp

            memory/3556-0-0x0000000000400000-0x000000000068E000-memory.dmp

            memory/3556-321-0x0000000000400000-0x000000000068E000-memory.dmp

            memory/4292-107-0x0000000000810000-0x0000000000870000-memory.dmp

            memory/4292-316-0x0000000140000000-0x00000001401BA000-memory.dmp

            memory/4292-101-0x0000000000810000-0x0000000000870000-memory.dmp

            memory/4292-314-0x0000000000810000-0x0000000000870000-memory.dmp

            memory/4292-312-0x0000000140000000-0x00000001401BA000-memory.dmp

            memory/4292-100-0x0000000140000000-0x00000001401BA000-memory.dmp

            memory/4660-330-0x0000021A3CCC0000-0x0000021A3CE43000-memory.dmp

            memory/4704-132-0x0000000140000000-0x0000000140168000-memory.dmp

            memory/4704-133-0x0000000000CE0000-0x0000000000D40000-memory.dmp

            memory/4704-135-0x0000000000CE0000-0x0000000000D40000-memory.dmp

            memory/4704-137-0x0000000140000000-0x0000000140168000-memory.dmp

            memory/4768-13-0x0000000140000000-0x00000001402E9000-memory.dmp

            memory/4768-99-0x0000000140000000-0x00000001402E9000-memory.dmp

            memory/4768-14-0x0000000000E50000-0x0000000000EB0000-memory.dmp

            memory/4768-20-0x0000000000E50000-0x0000000000EB0000-memory.dmp

            memory/4768-21-0x0000000000E50000-0x0000000000EB0000-memory.dmp

            memory/4892-53-0x00000000008A0000-0x0000000000900000-memory.dmp

            memory/4892-52-0x0000000140000000-0x00000001402B8000-memory.dmp

            memory/4892-203-0x0000000140000000-0x00000001402B8000-memory.dmp

            memory/4892-59-0x00000000008A0000-0x0000000000900000-memory.dmp

            memory/5396-313-0x0000000140000000-0x0000000140327000-memory.dmp

            memory/5396-120-0x0000000000CF0000-0x0000000000D50000-memory.dmp

            memory/5396-114-0x0000000000CF0000-0x0000000000D50000-memory.dmp

            memory/5396-113-0x0000000140000000-0x0000000140327000-memory.dmp

            memory/5932-83-0x00000000008C0000-0x0000000000927000-memory.dmp

            memory/5932-77-0x0000000000400000-0x0000000000680000-memory.dmp

            memory/5932-78-0x00000000008C0000-0x0000000000927000-memory.dmp

            memory/5932-282-0x0000000000400000-0x0000000000680000-memory.dmp