Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260129-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/02/2026, 15:10

General

  • Target
    f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02.exe
  • Size 398KB
  • Sample260205-sj92dahs9f
  • SHA256 f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.0.0 Pro

C2
  • 107.172.235.204:6000

Signatures

  • Remcos

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

  • Remcos family
  • 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 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Windows directory 5 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.

  • NSIS installer 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02.exe
    "C:\Users\Admin\AppData\Local\Temp\f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Users\Admin\AppData\Local\Temp\f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02.exe
      "C:\Users\Admin\AppData\Local\Temp\f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02.exe"
      2⤵
        PID:4388
      • C:\Users\Admin\AppData\Local\Temp\f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02.exe
        "C:\Users\Admin\AppData\Local\Temp\f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02.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:1176
        • C:\Users\Admin\AppData\Local\Temp\f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02.exe
          "C:\Users\Admin\AppData\Local\Temp\f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02.exe"
          3⤵
            PID:3520
          • C:\ProgramData\Remcos\remcos.exe
            "C:\ProgramData\Remcos\remcos.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:4660
            • C:\ProgramData\Remcos\remcos.exe
              "C:\ProgramData\Remcos\remcos.exe"
              4⤵
              • Executes dropped EXE
              PID:4340
            • 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 WriteProcessMemory
              PID:4124
              • C:\ProgramData\Remcos\remcos.exe
                "C:\ProgramData\Remcos\remcos.exe"
                5⤵
                • Executes dropped EXE
                PID:4556

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            remcos.exe

            • Path C:\ProgramData\Remcos\remcos.exe
            • Size 398KB
            • SHA256 f3ef0cc3468403e333638c5e6aad94b99c14cc5f6f864c49bd90a67d0366bc02
            • MD5 SHA1 SHA512 SSDEEP TLSH

            24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
            • Size 1KB
            • SHA256 de847aaa058e6d832d4cf769ed6c4d01bc7849c62bc508fd255ddd906c28ae18
            • MD5 SHA1 SHA512 TLSH

            B3513D73A177A2707D910183759B389B_E9E006D9E9A5048EBD1C5EE3C5504686

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B3513D73A177A2707D910183759B389B_E9E006D9E9A5048EBD1C5EE3C5504686
            • Size 471B
            • SHA256 d01560873a277ea0dd10b69713bbf213967ece6fd13c45180f0e5eabf0b770fa
            • MD5 SHA1 SHA512 TLSH

            DDE8B1B7E253A9758EC380BD648952AF_843BCBAB61AD44E00E351A8E8B7EAFCF

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DDE8B1B7E253A9758EC380BD648952AF_843BCBAB61AD44E00E351A8E8B7EAFCF
            • Size 472B
            • SHA256 dca5a920b7de138e22dd89ce0962250edf71bfb5dea79acefea603ba52d70e99
            • MD5 SHA1 SHA512 TLSH

            24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
            • Size 410B
            • SHA256 dc7db82f65c752dbf1d2b11a7a3181786bda75ccdc0c2c0ba835f40ca61101c7
            • MD5 SHA1 SHA512 TLSH

            B3513D73A177A2707D910183759B389B_E9E006D9E9A5048EBD1C5EE3C5504686

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B3513D73A177A2707D910183759B389B_E9E006D9E9A5048EBD1C5EE3C5504686
            • Size 402B
            • SHA256 def2e46a6c870d1c48cf910d2e0b438002557cc41550ad06772b1f0835cf07ff
            • MD5 SHA1 SHA512 TLSH

            DDE8B1B7E253A9758EC380BD648952AF_843BCBAB61AD44E00E351A8E8B7EAFCF

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DDE8B1B7E253A9758EC380BD648952AF_843BCBAB61AD44E00E351A8E8B7EAFCF
            • Size 402B
            • SHA256 caaf25681d3b82e4ed69c3f69c244f05f63421ef667077d18987ed54a672b279
            • MD5 SHA1 SHA512 TLSH

            nsa3922.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsa3922.tmp
            • Size 29B
            • SHA256 8394b25c8bbce9aa4ff07c20f984b741ab7b7c53c48488810e3badec534bb8b0
            • MD5 SHA1 SHA512

            nsb8685.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsb8685.tmp
            • Size 60B
            • SHA256 9dfb0b4f79c15ae7a5367dc256228cc2d767ea6f62b3eef15102051a84607abe
            • MD5 SHA1 SHA512 TLSH

            nsc3017.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc3017.tmp
            • Size 3B
            • SHA256 01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d
            • MD5 SHA1 SHA512

            nsc3017.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc3017.tmp
            • Size 6B
            • SHA256 6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c
            • MD5 SHA1 SHA512

            nsc3017.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc3017.tmp
            • Size 9B
            • SHA256 ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858
            • MD5 SHA1 SHA512

            nsc7D7A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc7D7A.tmp
            • Size 36B
            • SHA256 b46a1b647cd0ac5d5ed27381e1559a8ed6244c5bb7a0d27a41ab1784c40bef85
            • MD5 SHA1 SHA512

            nsc7D7A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc7D7A.tmp
            • Size 39B
            • SHA256 e9f76c3dcf61068c71c8748639c37793963e1929aca11eed3c2caed692bd17ff
            • MD5 SHA1 SHA512

            nsc7D7A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc7D7A.tmp
            • Size 41B
            • SHA256 8b0454c42dded71d9ee62354260d89e0565bb803a300bb2c49c9dd50fd2d1c4b
            • MD5 SHA1 SHA512

            nsc7D7A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc7D7A.tmp
            • Size 44B
            • SHA256 d02310dee3ced92a0be280296fb733c94858c06d62a6eb7fe22cdd38f3fe8ae5
            • MD5 SHA1 SHA512

            nsc7D7A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc7D7A.tmp
            • Size 46B
            • SHA256 8bf4c616c9a55aafdc1a48ebdb11f8fbea6fb2465aa2f216e4efad6d540a1d99
            • MD5 SHA1 SHA512

            nsc7D7A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc7D7A.tmp
            • Size 5B
            • SHA256 ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0
            • MD5 SHA1 SHA512

            nsc7D7A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc7D7A.tmp
            • Size 19B
            • SHA256 84911471a6124a186d240b3b67eed83ba5a0a7cb911eefc790712d936c83d568
            • MD5 SHA1 SHA512

            nsc7D7A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc7D7A.tmp
            • Size 24B
            • SHA256 0717d3c2c8ad4b25752e43514cd4352de08c51bb9a8d153beb842dd421677b91
            • MD5 SHA1 SHA512

            nsc7D7A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc7D7A.tmp
            • Size 28B
            • SHA256 bb92b5197bb4677950b78f816a8170797d0392af55e31d0f0744fe9c99f7e9b8
            • MD5 SHA1 SHA512

            nsc7D7A.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsc7D7A.tmp
            • Size 32B
            • SHA256 f5e747955048b7b2d530c6319ddd7592ff1cd539a20cd5c5ab6afacd46e8b410
            • MD5 SHA1 SHA512

            nse82F9.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nse82F9.tmp
            • Size 25B
            • SHA256 094fe155451e834d551457304fa995d544fde9079944bb275f6b4bc158e25e2d
            • MD5 SHA1 SHA512

            nse82F9.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nse82F9.tmp
            • Size 52B
            • SHA256 a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266
            • MD5 SHA1 SHA512 TLSH

            nsh89B2.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsh89B2.tmp
            • Size 56B
            • SHA256 3f95fc4cfc9caa6cb45716590b4c1251e7a2e2ca096d4e03eea3b2c674b0904f
            • MD5 SHA1 SHA512 TLSH

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsl2DE2.tmp\System.dll
            • Size 11KB
            • SHA256 ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            nsl2DE3.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsl2DE3.tmp
            • Size 53B
            • SHA256 f4bf549b30bb96f31c7aec31e319438324daac5f7483e906beadb08ce285bb0c
            • MD5 SHA1 SHA512 TLSH

            nsl2DE3.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsl2DE3.tmp
            • Size 74B
            • SHA256 d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36
            • MD5 SHA1 SHA512 TLSH

            nss31FC.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nss31FC.tmp
            • Size 1B
            • SHA256 8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a
            • MD5 SHA1 SHA512

            nss31FC.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nss31FC.tmp
            • Size 4B
            • SHA256 65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d
            • MD5 SHA1 SHA512

            nss31FC.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nss31FC.tmp
            • Size 7B
            • SHA256 639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713
            • MD5 SHA1 SHA512

            nss31FC.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nss31FC.tmp
            • Size 10B
            • SHA256 a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92
            • MD5 SHA1 SHA512

            nsy34DB.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsy34DB.tmp
            • Size 2B
            • SHA256 8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc
            • MD5 SHA1 SHA512

            nsy34DB.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\nsy34DB.tmp
            • Size 8B
            • SHA256 1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101
            • MD5 SHA1 SHA512

            luxemburger.sku

            • Path C:\Users\Admin\AppData\Roaming\milda\Reexhibit\Anskueliggrende1\luxemburger.sku
            • Size 2KB
            • SHA256 040d312ce0cdf55fb5564de562f28202cb5f4786adcd05eda25cb725b5da1252
            • MD5 SHA1 SHA512 TLSH

            prognosearbejderne.dat

            • Path C:\Users\Admin\AppData\Roaming\milda\Reexhibit\Anskueliggrende1\prognosearbejderne.dat
            • Size 4KB
            • SHA256 afedda99bd4ef117fdba16f5d0532f076953eece5c9f4b8089b702e71f13b2b9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Conjuration.Pal0

            • Path C:\Users\Admin\AppData\Roaming\milda\Reexhibit\Conjuration.Pal0
            • Size 49KB
            • SHA256 22be6e533390235d81790bb9b4f1dde0bcf1e4a13a9342fee1af504023f0f173
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Personalechefer219.gan

            • Path C:\Users\Admin\AppData\Roaming\milda\Reexhibit\Personalechefer219.gan
            • Size 7KB
            • SHA256 cabbd0422326dd38ba725dd7da775619f83cce235d534d620e383f5ef258d554
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Triphibious.rin

            • Path C:\Users\Admin\AppData\Roaming\milda\Reexhibit\Triphibious.rin
            • Size 213KB
            • SHA256 aeed3a481e99aee016c2e6b14c1b435d706af5f9ff6ebec0b251221d5240b790
            • MD5 SHA1 SHA512 SSDEEP TLSH

            sexchikane.lnk

            • Path C:\Windows\Fonts\sexchikane.lnk
            • Size 1KB
            • SHA256 4765ffb3211e56cb7f57071c1d7b73b7940c68d54cc98da3a8640d608e425f39
            • MD5 SHA1 SHA512 TLSH

            memory/1176-876-0x0000000077621000-0x0000000077741000-memory.dmp

            memory/1176-867-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/1176-866-0x0000000077621000-0x0000000077741000-memory.dmp

            memory/1176-848-0x00000000776A8000-0x00000000776A9000-memory.dmp

            memory/1176-850-0x00000000776C5000-0x00000000776C6000-memory.dmp

            memory/1176-875-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/1176-849-0x0000000077749000-0x000000007774A000-memory.dmp

            memory/1176-862-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1750-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1745-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1749-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1751-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1752-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1753-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1754-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1755-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1756-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1757-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1758-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4124-1759-0x0000000000480000-0x00000000016D4000-memory.dmp

            memory/4580-847-0x0000000074304000-0x0000000074305000-memory.dmp