Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 07:39

General

  • Target

    0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe

  • Size

    894KB

  • MD5

    53b79ccad8bee5f9027601500616a975

  • SHA1

    0f52c391a610e1d79d148dd70a4cd90c952dddae

  • SHA256

    0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052

  • SHA512

    5422ef61678dd02424492e1c02ae96e063f8a43713043560db3e3c788e899cb11bc5b8de9c4318f51491deb5bc4bb9ddfb6fa85eabc3c2f3322d17e0c9cc481b

  • SSDEEP

    12288:260nsDt02aQqTSpqdtQxIUPXnohqsMtc18p1THM4yHXxKoO3XdgO6wSmv:21naampqdGTocsEcn467O3Xdgrk

Malware Config

Extracted

Family

remcos

Botnet

czt

C2

aadavidron.duckdns.org:53848

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Windeep.exe

  • copy_folder

    AppDir

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-FS2BKT

  • 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

  • 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.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 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 8 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
    "C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2744
    • 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\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VSNeHYIHmY.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2952
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VSNeHYIHmY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp25F8.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2708
    • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
      "C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1260
      • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
        C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\zgzgnanzoyvlojdbzju"
        3⤵
          PID:2880
        • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
          C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\zgzgnanzoyvlojdbzju"
          3⤵
            PID:2912
          • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
            C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\zgzgnanzoyvlojdbzju"
            3⤵
              PID:2852
            • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
              C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\zgzgnanzoyvlojdbzju"
              3⤵
                PID:2868
              • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
                C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\zgzgnanzoyvlojdbzju"
                3⤵
                  PID:2876
                • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
                  C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\zgzgnanzoyvlojdbzju"
                  3⤵
                    PID:2984
                  • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
                    C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\zgzgnanzoyvlojdbzju"
                    3⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2972
                  • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
                    C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\kbezgsxskgnyyqznithbio"
                    3⤵
                    • Accesses Microsoft Outlook accounts
                    • System Location Discovery: System Language Discovery
                    PID:2720
                  • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
                    C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\udjrhkiuxpfdbwnraeuvkazkt"
                    3⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of AdjustPrivilegeToken
                    PID:992

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\ProgramData\remcos\logs.dat

                Filesize

                144B

                MD5

                2dff063b4c66bfd61356289167820981

                SHA1

                caa08229bda6664569cdb4ca4e3a5864acf6079b

                SHA256

                b86656ce2de17df466e340f77168440c4c56bbffc492a21b246c9a1b20af87fb

                SHA512

                5ebffdc144193f9f3fbe9304ee5b1dd697d82e272cc96d945acb4f58b2b720419f580b885a2b739d30dc08ba12f8a2f9b876e71e5aaf09e9a2539894cba49096

              • C:\Users\Admin\AppData\Local\Temp\tmp25F8.tmp

                Filesize

                1KB

                MD5

                422ea7267cf4f50f69e8b8ad99e86ae1

                SHA1

                68ad163089cc9810e4eb75484a1887c43f297983

                SHA256

                a1bffe9559d0775180c0b7d327d119243de1ee6a929ac7c012b7d3663bd371e1

                SHA512

                309e5b0bcdb23bbf587adebf3d8163135595431fc207abea6977e7962cb55e38656d6f1a77def36da6efb25c60a957b6143377b6e34a4ab1d037a5d86a6d357d

              • C:\Users\Admin\AppData\Local\Temp\zgzgnanzoyvlojdbzju

                Filesize

                2B

                MD5

                f3b25701fe362ec84616a93a45ce9998

                SHA1

                d62636d8caec13f04e28442a0a6fa1afeb024bbb

                SHA256

                b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

                SHA512

                98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

                Filesize

                7KB

                MD5

                95f9e015a28a04ead6be5157fbfdb0e5

                SHA1

                29b934d98c11f81107cb9e0b8850d0d833862f18

                SHA256

                51b111533eceeb964a6856ca5609b9a0a3d4056167a97a344abcacf85e8d78ec

                SHA512

                8b466775357181bbfaa71d21e8873b005e26426266c56ca6e52bd94ed7f72ef8905ad8902f6e1604879d400f4d8f4852f50cde6fa0d352be0c6e203c4c08a2b0

              • memory/992-57-0x0000000000400000-0x0000000000424000-memory.dmp

                Filesize

                144KB

              • memory/992-56-0x0000000000400000-0x0000000000424000-memory.dmp

                Filesize

                144KB

              • memory/992-54-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                Filesize

                4KB

              • memory/992-55-0x0000000000400000-0x0000000000424000-memory.dmp

                Filesize

                144KB

              • memory/1260-86-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-45-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-69-0x0000000010000000-0x0000000010019000-memory.dmp

                Filesize

                100KB

              • memory/1260-79-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-27-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-26-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-37-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-35-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-23-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-33-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-22-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-19-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-39-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-40-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-41-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-42-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-43-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-87-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-94-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-78-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-70-0x0000000010000000-0x0000000010019000-memory.dmp

                Filesize

                100KB

              • memory/1260-66-0x0000000010000000-0x0000000010019000-memory.dmp

                Filesize

                100KB

              • memory/1260-95-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-102-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-103-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-65-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-72-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-29-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                Filesize

                4KB

              • memory/1260-32-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/1260-64-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/2720-53-0x0000000000400000-0x0000000000462000-memory.dmp

                Filesize

                392KB

              • memory/2720-51-0x0000000000400000-0x0000000000462000-memory.dmp

                Filesize

                392KB

              • memory/2720-50-0x0000000000400000-0x0000000000462000-memory.dmp

                Filesize

                392KB

              • memory/2744-38-0x00000000748E0000-0x0000000074FCE000-memory.dmp

                Filesize

                6.9MB

              • memory/2744-6-0x0000000004F30000-0x0000000004FF4000-memory.dmp

                Filesize

                784KB

              • memory/2744-5-0x00000000748E0000-0x0000000074FCE000-memory.dmp

                Filesize

                6.9MB

              • memory/2744-4-0x00000000748EE000-0x00000000748EF000-memory.dmp

                Filesize

                4KB

              • memory/2744-3-0x0000000000310000-0x0000000000322000-memory.dmp

                Filesize

                72KB

              • memory/2744-2-0x00000000748E0000-0x0000000074FCE000-memory.dmp

                Filesize

                6.9MB

              • memory/2744-1-0x0000000000070000-0x0000000000156000-memory.dmp

                Filesize

                920KB

              • memory/2744-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

                Filesize

                4KB

              • memory/2972-52-0x0000000000400000-0x0000000000478000-memory.dmp

                Filesize

                480KB

              • memory/2972-47-0x0000000000400000-0x0000000000478000-memory.dmp

                Filesize

                480KB

              • memory/2972-48-0x0000000000400000-0x0000000000478000-memory.dmp

                Filesize

                480KB