Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27/10/2025, 01:20

General

  • Target
    Order 2736.exe
  • Size 375KB
  • Sample251027-bqklmaxqck
  • SHA256 99d592000e85eef794a714fa042815a31a1d34bba194555bcfc2e85175a8ab2c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Version
  • 7.0.5 Pro

Botnet
  • RemoteHost

C2
  • 196.251.114.65:2404

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-M3ITZH

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Detected Nirsoft tools 3 IoCs

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

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order 2736.exe
    "C:\Users\Admin\AppData\Local\Temp\Order 2736.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:5324
    • C:\Users\Admin\AppData\Local\Temp\Order 2736.exe
      "C:\Users\Admin\AppData\Local\Temp\Order 2736.exe"
      2⤵
      • 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:3092
      • C:\ProgramData\Remcos\remcos.exe
        "C:\ProgramData\Remcos\remcos.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1460
        • 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
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1628
          • C:\Windows\SysWOW64\rmclient.exe
            /stext "C:\Users\Admin\AppData\Local\Temp\pzsbqrouuerilig"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:1788
          • C:\Windows\SysWOW64\rmclient.exe
            /stext "C:\Users\Admin\AppData\Local\Temp\ztxurkynqmjnwpdpycs"
            5⤵
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:5992
          • C:\Windows\SysWOW64\rmclient.exe
            /stext "C:\Users\Admin\AppData\Local\Temp\kvdekcjpdubsyvrthmfirl"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5924

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        remcos.exe

        • Path C:\ProgramData\Remcos\remcos.exe
        • Size 375KB
        • SHA256 99d592000e85eef794a714fa042815a31a1d34bba194555bcfc2e85175a8ab2c
        • MD5 SHA1 SHA512 SSDEEP

        24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
        • Size 1KB
        • SHA256 bdfea4f4888c6c1f1b5b1379a87bb5361c76c2f0493e22741cd1106f5ca24cf3
        • MD5 SHA1 SHA512

        B3513D73A177A2707D910183759B389B_2CE821D02A11A4C527CCE7E0CE26B2B4

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B3513D73A177A2707D910183759B389B_2CE821D02A11A4C527CCE7E0CE26B2B4
        • Size 471B
        • SHA256 2929f3259bfade6c4ad627b0c3a6c7275166583b33ce4cfdd496e7962a829ed9
        • MD5 SHA1 SHA512

        DDE8B1B7E253A9758EC380BD648952AF_E55E2D9FE396E0E3CEC5E0183F21B5E6

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DDE8B1B7E253A9758EC380BD648952AF_E55E2D9FE396E0E3CEC5E0183F21B5E6
        • Size 471B
        • SHA256 48fd32516bd3377ffba684df51af8e3cbf404186d0b65ead371bea2880fe9280
        • MD5 SHA1 SHA512

        24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
        • Size 410B
        • SHA256 a70df58e480826dc1e5f3b464bb84b0804f3c351f701cb730c724c6a8a74a460
        • MD5 SHA1 SHA512

        B3513D73A177A2707D910183759B389B_2CE821D02A11A4C527CCE7E0CE26B2B4

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B3513D73A177A2707D910183759B389B_2CE821D02A11A4C527CCE7E0CE26B2B4
        • Size 402B
        • SHA256 31b44cdf12c75f8bfdeea941b4ba7ef9385b3cba3a6b914726c9544cc4a0aa1b
        • MD5 SHA1 SHA512

        DDE8B1B7E253A9758EC380BD648952AF_E55E2D9FE396E0E3CEC5E0183F21B5E6

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DDE8B1B7E253A9758EC380BD648952AF_E55E2D9FE396E0E3CEC5E0183F21B5E6
        • Size 406B
        • SHA256 592c5983af95607923fb2da85c1d6b752b9e3efa2dc4cba2ab0ec3c0e07a3374
        • MD5 SHA1 SHA512

        Amfibiefartjs.Str

        • Path C:\Users\Admin\AppData\Local\Temp\Sakset105\Proceritic\Amfibiefartjs.Str
        • Size 37KB
        • SHA256 310534a771c824203cb7ba78f325f63b451bc91b7727030ae8ee531a4a5cb6b5
        • MD5 SHA1 SHA512 SSDEEP

        Overtalelsers.Eri

        • Path C:\Users\Admin\AppData\Local\Temp\Sakset105\Proceritic\Overtalelsers.Eri
        • Size 249KB
        • SHA256 9891f41b6a5ae5c5f5c23a592c07818a4139866f2656a5102b2979193fd5e59a
        • MD5 SHA1 SHA512 SSDEEP

        blenderen.rev

        • Path C:\Users\Admin\AppData\Local\Temp\Sakset105\Proceritic\blenderen.rev
        • Size 666KB
        • SHA256 013d03a1c9e15acf9a81b10804f7a50ee2ee27f6e36737952fa2b41d9be70c5c
        • MD5 SHA1 SHA512 SSDEEP

        nsd9BB8.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsd9BB8.tmp
        • Size 34B
        • SHA256 c174fb6ca3475fc0772eb98f342e5d540cb632980f2ce171eb304ebf605d4554
        • MD5 SHA1 SHA512

        nsh982D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh982D.tmp
        • Size 1B
        • SHA256 8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a
        • MD5 SHA1 SHA512

        nsh982D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh982D.tmp
        • Size 2B
        • SHA256 8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc
        • MD5 SHA1 SHA512

        nsh982D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh982D.tmp
        • Size 3B
        • SHA256 01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d
        • MD5 SHA1 SHA512

        nsh982D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh982D.tmp
        • Size 4B
        • SHA256 65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d
        • MD5 SHA1 SHA512

        nsh982D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh982D.tmp
        • Size 5B
        • SHA256 ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0
        • MD5 SHA1 SHA512

        nsh982D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh982D.tmp
        • Size 6B
        • SHA256 6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c
        • MD5 SHA1 SHA512

        nsh982D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh982D.tmp
        • Size 7B
        • SHA256 639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713
        • MD5 SHA1 SHA512

        nsh982D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh982D.tmp
        • Size 8B
        • SHA256 1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101
        • MD5 SHA1 SHA512

        nsh982D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh982D.tmp
        • Size 9B
        • SHA256 ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858
        • MD5 SHA1 SHA512

        nsh982D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh982D.tmp
        • Size 10B
        • SHA256 a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92
        • MD5 SHA1 SHA512

        nsh982D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh982D.tmp
        • Size 23B
        • SHA256 2787c54979c964e4cc50064d4d89581a327a02067a8efb1be41764f428e9b5ee
        • MD5 SHA1 SHA512

        nshFDBE.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nshFDBE.tmp
        • Size 56B
        • SHA256 87ca10cb8a5b16457e7b938b21aeb3691bf9ab7ba4d3df2ece18efbac2b4e0ec
        • MD5 SHA1 SHA512

        nsnF2FC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsnF2FC.tmp
        • Size 17B
        • SHA256 67e9b2f9ff46c1d3b647fd5df95b6014021dbcb74a2aa2f5e4fc99c733520545
        • MD5 SHA1 SHA512

        nsnF2FC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsnF2FC.tmp
        • Size 24B
        • SHA256 0717d3c2c8ad4b25752e43514cd4352de08c51bb9a8d153beb842dd421677b91
        • MD5 SHA1 SHA512

        nsnF2FC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsnF2FC.tmp
        • Size 26B
        • SHA256 0092de36b51381e4fe5e613bdbae906f0c6e8691fec4a93f82b876f1af826648
        • MD5 SHA1 SHA512

        nsnF2FC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsnF2FC.tmp
        • Size 35B
        • SHA256 65dd548600ae0d7d0fd7e126181efd7667b5d02c1ece19742c66ab4f31155c91
        • MD5 SHA1 SHA512

        nsnF2FC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsnF2FC.tmp
        • Size 41B
        • SHA256 8b0454c42dded71d9ee62354260d89e0565bb803a300bb2c49c9dd50fd2d1c4b
        • MD5 SHA1 SHA512

        nsnF2FC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsnF2FC.tmp
        • Size 43B
        • SHA256 e57e26e68b9ee25d136d2b440e28ffc09be1233efac52ec2f050c098a7e8090c
        • MD5 SHA1 SHA512

        nsnF2FC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsnF2FC.tmp
        • Size 47B
        • SHA256 4d9933ad3cb07723bac43a5c519fb12e5950334cf688b284acdfa4d8931d5620
        • MD5 SHA1 SHA512

        nsnF2FC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsnF2FC.tmp
        • Size 62B
        • SHA256 fcc0de8ebc57a00f3f48bc8ba2e93cedc7efe9ecc9600ad63cdd1ba1d6c4fdea
        • MD5 SHA1 SHA512

        nsnF2FC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsnF2FC.tmp
        • Size 74B
        • SHA256 d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36
        • MD5 SHA1 SHA512

        nspF7E0.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nspF7E0.tmp
        • Size 52B
        • SHA256 a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266
        • MD5 SHA1 SHA512

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsq95AA.tmp\System.dll
        • Size 11KB
        • SHA256 bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
        • MD5 SHA1 SHA512 SSDEEP

        nst159.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nst159.tmp
        • Size 3B
        • SHA256 a3b142af6e97cfc3bb23e409ab83467af7d16ded7dc0632be6a6a9023e49ce8b
        • MD5 SHA1 SHA512

        nst159.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nst159.tmp
        • Size 9B
        • SHA256 9e56c757510a69c7ee47407dbda53e8d8b983755854362df4dbcad941696dceb
        • MD5 SHA1 SHA512

        nsvFB0D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsvFB0D.tmp
        • Size 13B
        • SHA256 20ed8777c986040dba3187aab791c6df6f87f42c3002b15bcc8bfa9718d842e8
        • MD5 SHA1 SHA512

        nsvFB0D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsvFB0D.tmp
        • Size 60B
        • SHA256 27fb117570d3ff0c3fd073293b23475a74eb5dbb8c3e923e8f9b675b6d6a02c1
        • MD5 SHA1 SHA512

        pzsbqrouuerilig

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

        memory/1628-1184-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/1628-1181-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/1628-1185-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/1628-1186-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/1628-1187-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/1628-1158-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/1628-1182-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/1628-1183-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/1628-1180-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/1628-1179-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/1628-1178-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/1628-1173-0x00000000361F0000-0x0000000036209000-memory.dmp

        memory/1628-1177-0x00000000361F0000-0x0000000036209000-memory.dmp

        memory/1628-1176-0x00000000361F0000-0x0000000036209000-memory.dmp

        memory/1788-1171-0x0000000000400000-0x0000000000482000-memory.dmp

        memory/3092-572-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/3092-587-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/3092-573-0x0000000000490000-0x00000000017A7000-memory.dmp

        memory/3092-560-0x00000000771EB000-0x00000000771EC000-memory.dmp

        memory/3092-559-0x0000000077158000-0x0000000077159000-memory.dmp

        memory/5324-558-0x0000000010004000-0x0000000010005000-memory.dmp

        memory/5924-1166-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/5924-1163-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/5992-1169-0x0000000000400000-0x0000000000462000-memory.dmp

        memory/5992-1162-0x0000000000400000-0x0000000000462000-memory.dmp