Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/07/2026, 04:01

General

  • Target
    3eca2d75b0cfc8e13590a9d2e41691863dd3c7d3fe506f3ebf4c5bdacfd21451.exe
  • Size 330KB
  • Sample260727-elf97ahb59
  • SHA256 3eca2d75b0cfc8e13590a9d2e41691863dd3c7d3fe506f3ebf4c5bdacfd21451
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Botnet
  • RemoteHost

C2
  • 130.12.182.113:2404

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-EFSCUH

  • 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
  • 7.2.1 Pro

Botnet
  • RemoteHost

C2
  • 130.12.182.113:2404

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-EFSCUH

  • 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: Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Family: Remcos

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3eca2d75b0cfc8e13590a9d2e41691863dd3c7d3fe506f3ebf4c5bdacfd21451.exe
    "C:\Users\Admin\AppData\Local\Temp\3eca2d75b0cfc8e13590a9d2e41691863dd3c7d3fe506f3ebf4c5bdacfd21451.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Users\Admin\AppData\Local\Temp\3eca2d75b0cfc8e13590a9d2e41691863dd3c7d3fe506f3ebf4c5bdacfd21451.exe
      "C:\Users\Admin\AppData\Local\Temp\3eca2d75b0cfc8e13590a9d2e41691863dd3c7d3fe506f3ebf4c5bdacfd21451.exe"
      2⤵
        PID:3552
      • C:\Users\Admin\AppData\Local\Temp\3eca2d75b0cfc8e13590a9d2e41691863dd3c7d3fe506f3ebf4c5bdacfd21451.exe
        "C:\Users\Admin\AppData\Local\Temp\3eca2d75b0cfc8e13590a9d2e41691863dd3c7d3fe506f3ebf4c5bdacfd21451.exe"
        2⤵
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3324
        • C:\Users\Admin\AppData\Local\Temp\3eca2d75b0cfc8e13590a9d2e41691863dd3c7d3fe506f3ebf4c5bdacfd21451.exe
          "C:\Users\Admin\AppData\Local\Temp\3eca2d75b0cfc8e13590a9d2e41691863dd3c7d3fe506f3ebf4c5bdacfd21451.exe"
          3⤵
            PID:3128
          • C:\ProgramData\Remcos\remcos.exe
            "C:\ProgramData\Remcos\remcos.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:816
            • C:\ProgramData\Remcos\remcos.exe
              "C:\ProgramData\Remcos\remcos.exe"
              4⤵
              • Executes dropped EXE
              PID:1976
            • C:\ProgramData\Remcos\remcos.exe
              "C:\ProgramData\Remcos\remcos.exe"
              4⤵
              • Loads dropped DLL
              • Adds Run key to start application
              • Suspicious use of NtCreateThreadExHideFromDebugger
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • System Location Discovery: System Language Discovery
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              • Suspicious use of WriteProcessMemory
              PID:1524
              • C:\ProgramData\Remcos\remcos.exe
                "C:\ProgramData\Remcos\remcos.exe"
                5⤵
                • Executes dropped EXE
                PID:4736

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            remcos.exe

            • Path C:\ProgramData\Remcos\remcos.exe
            • Size 330KB
            • SHA256 3eca2d75b0cfc8e13590a9d2e41691863dd3c7d3fe506f3ebf4c5bdacfd21451
            • MD5 SHA1 SHA512 SSDEEP TLSH

            24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
            • Size 1KB
            • SHA256 d1ef1f91f2eca8dd3cf4052371c565b26ff90eb510ad3c0195b41faaab84e93f
            • MD5 SHA1 SHA512 TLSH

            595CD0DCED5F6DE43A9C77C525C44511

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\595CD0DCED5F6DE43A9C77C525C44511
            • Size 8KB
            • SHA256 849af846a28209a0039d67794166fb3fa5fd8baacf4bd715ec02ce04b6080c47
            • MD5 SHA1 SHA512 SSDEEP TLSH

            DDE8B1B7E253A9758EC380BD648952AF_DF1A6565DCD908C2FD1C90E4018E7B7A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DDE8B1B7E253A9758EC380BD648952AF_DF1A6565DCD908C2FD1C90E4018E7B7A
            • Size 472B
            • SHA256 07479401b5b0400532bf6402342cd2c6b5c5faa4c851b8fc6643e894e515d909
            • MD5 SHA1 SHA512 TLSH

            24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
            • Size 410B
            • SHA256 01dce3c32c79d1d5570304b4077c0634b2fa636aa74bf946bcf432e8257d0552
            • MD5 SHA1 SHA512 TLSH

            595CD0DCED5F6DE43A9C77C525C44511

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\595CD0DCED5F6DE43A9C77C525C44511
            • Size 192B
            • SHA256 66069efbc5f8745178652e1373b09693a3488605bc558ff4e93a664dddade4da
            • MD5 SHA1 SHA512 TLSH

            DDE8B1B7E253A9758EC380BD648952AF_DF1A6565DCD908C2FD1C90E4018E7B7A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DDE8B1B7E253A9758EC380BD648952AF_DF1A6565DCD908C2FD1C90E4018E7B7A
            • Size 398B
            • SHA256 bb89f5b14d7083f048af563277b94f6114a72c81a4798462918a65ef0259722d
            • MD5 SHA1 SHA512 TLSH

            Dollbeer.txt

            • Path C:\Users\Admin\AppData\Local\Temp\hauriant\Andenhaandsberetningernes\Dollbeer.txt
            • Size 541B
            • SHA256 f8713655133ea268c410067f70e408cb3798c5591975090c6e230e7f8990c1ac
            • MD5 SHA1 SHA512 TLSH

            Networking.jpg

            • Path C:\Users\Admin\AppData\Local\Temp\hauriant\Andenhaandsberetningernes\Networking.jpg
            • Size 11KB
            • SHA256 08dab451171b89b2806960777ab529b42f9faec8a58c248213b3d30c15e0c915
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Opuntiaceae3.bay

            • Path C:\Users\Admin\AppData\Local\Temp\hauriant\Andenhaandsberetningernes\Opuntiaceae3.bay
            • Size 49KB
            • SHA256 ca71919dbc4f509f58232b4980db046e7d0ef66448a167a6c38079a726cc13df
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Rullebjlker.ini

            • Path C:\Users\Admin\AppData\Local\Temp\hauriant\Andenhaandsberetningernes\Rullebjlker.ini
            • Size 390B
            • SHA256 64d6ed82db96698bc16821d9328554c3e7736bc4a5316d56d61ea4e23280691f
            • MD5 SHA1 SHA512 TLSH

            Dagligvarehandlen140.jpg

            • Path C:\Users\Admin\AppData\Local\Temp\hauriant\Dagligvarehandlen140.jpg
            • Size 4KB
            • SHA256 a43ec41b8e9147de77e568c7cb0d8979d64c02bcaa6551f2ae87bfb0b7f374e4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Stencillers

            • Path C:\Users\Admin\AppData\Local\Temp\hauriant\Stencillers
            • Size 320KB
            • SHA256 e8f1e6aa9a45b627b212bd6bf935421df1fa419057b91247b855a217c66af76d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsf6A30.tmp\System.dll
            • Size 11KB
            • SHA256 2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1524-106-0x0000000000470000-0x00000000016C4000-memory.dmp

            memory/1524-115-0x0000000000470000-0x00000000016C4000-memory.dmp

            memory/1524-114-0x0000000000470000-0x00000000016C4000-memory.dmp

            memory/1524-113-0x0000000000470000-0x00000000016C4000-memory.dmp

            memory/1524-112-0x0000000000470000-0x00000000016C4000-memory.dmp

            memory/1524-111-0x0000000000470000-0x00000000016C4000-memory.dmp

            memory/3324-54-0x0000000000470000-0x00000000016C4000-memory.dmp

            memory/3324-28-0x0000000000470000-0x00000000016C4000-memory.dmp

            memory/3324-29-0x00000000016D0000-0x00000000048F1000-memory.dmp

            memory/3324-41-0x0000000000470000-0x00000000016C4000-memory.dmp

            memory/3324-42-0x0000000000470000-0x00000000016C4000-memory.dmp

            memory/3324-56-0x00000000016D0000-0x00000000048F1000-memory.dmp

            memory/3932-23-0x0000000010004000-0x0000000010005000-memory.dmp

            memory/3932-22-0x00000000045D0000-0x00000000077F1000-memory.dmp

            memory/3932-24-0x00000000045D0000-0x00000000077F1000-memory.dmp