Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 13:26

General

  • Target

    ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe

  • Size

    1.0MB

  • MD5

    6db0d9daa9a5e4154760f37d23dece76

  • SHA1

    ec81faf47d18f34f5be30162fa387ed86f457708

  • SHA256

    ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310

  • SHA512

    ab1104c4c4d814949ae7375c04910678f87133011d6251e67889565931b9a87e151cb414c9530f64eaac593014acb7481b44d10597975183b2ca11f4e3025efc

  • SSDEEP

    24576:9EkD7pClThq88OQGADrWvWjuPF3pn/2bczbO8U:CF+JOQFjQ328

Malware Config

Extracted

Family

remcos

Botnet

Remco

C2

87.120.116.245:2404

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

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-0PJCBG

  • 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 1 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
    "C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:908
    • 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\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2820
    • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
      "C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe"
      2⤵
        PID:2844
      • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
        "C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe"
        2⤵
          PID:2740
        • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
          "C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2960
          • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
            C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe /stext "C:\Users\Admin\AppData\Local\Temp\ajacuqufipozmgyssq"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:2656
          • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
            C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe /stext "C:\Users\Admin\AppData\Local\Temp\klgvvjfzwxgexuuwbbbgwl"
            3⤵
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:1088
          • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
            C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe /stext "C:\Users\Admin\AppData\Local\Temp\mflfwbqakfyizaiismoazpaiv"
            3⤵
              PID:2872
            • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
              C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe /stext "C:\Users\Admin\AppData\Local\Temp\mflfwbqakfyizaiismoazpaiv"
              3⤵
                PID:2916
              • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
                C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe /stext "C:\Users\Admin\AppData\Local\Temp\mflfwbqakfyizaiismoazpaiv"
                3⤵
                  PID:2912
                • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
                  C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe /stext "C:\Users\Admin\AppData\Local\Temp\mflfwbqakfyizaiismoazpaiv"
                  3⤵
                    PID:2924
                  • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
                    C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe /stext "C:\Users\Admin\AppData\Local\Temp\mflfwbqakfyizaiismoazpaiv"
                    3⤵
                      PID:2920
                    • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
                      C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe /stext "C:\Users\Admin\AppData\Local\Temp\mflfwbqakfyizaiismoazpaiv"
                      3⤵
                        PID:3028
                      • C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe
                        C:\Users\Admin\AppData\Local\Temp\ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310.exe /stext "C:\Users\Admin\AppData\Local\Temp\mflfwbqakfyizaiismoazpaiv"
                        3⤵
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1824

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

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

                    Filesize

                    2B

                    MD5

                    f3b25701fe362ec84616a93a45ce9998

                    SHA1

                    d62636d8caec13f04e28442a0a6fa1afeb024bbb

                    SHA256

                    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

                    SHA512

                    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

                  • memory/908-26-0x00000000747A0000-0x0000000074E8E000-memory.dmp

                    Filesize

                    6.9MB

                  • memory/908-1-0x00000000001B0000-0x00000000002C0000-memory.dmp

                    Filesize

                    1.1MB

                  • memory/908-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp

                    Filesize

                    6.9MB

                  • memory/908-3-0x0000000000690000-0x00000000006AC000-memory.dmp

                    Filesize

                    112KB

                  • memory/908-4-0x00000000747AE000-0x00000000747AF000-memory.dmp

                    Filesize

                    4KB

                  • memory/908-5-0x00000000747A0000-0x0000000074E8E000-memory.dmp

                    Filesize

                    6.9MB

                  • memory/908-6-0x00000000050D0000-0x0000000005194000-memory.dmp

                    Filesize

                    784KB

                  • memory/908-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

                    Filesize

                    4KB

                  • memory/1088-43-0x0000000000400000-0x0000000000462000-memory.dmp

                    Filesize

                    392KB

                  • memory/1088-46-0x0000000000400000-0x0000000000462000-memory.dmp

                    Filesize

                    392KB

                  • memory/1088-44-0x0000000000400000-0x0000000000462000-memory.dmp

                    Filesize

                    392KB

                  • memory/1824-48-0x0000000000400000-0x0000000000424000-memory.dmp

                    Filesize

                    144KB

                  • memory/1824-50-0x0000000000400000-0x0000000000424000-memory.dmp

                    Filesize

                    144KB

                  • memory/1824-49-0x0000000000400000-0x0000000000424000-memory.dmp

                    Filesize

                    144KB

                  • memory/2656-41-0x0000000000400000-0x0000000000478000-memory.dmp

                    Filesize

                    480KB

                  • memory/2656-45-0x0000000000400000-0x0000000000478000-memory.dmp

                    Filesize

                    480KB

                  • memory/2656-40-0x0000000000400000-0x0000000000478000-memory.dmp

                    Filesize

                    480KB

                  • memory/2960-13-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-19-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-27-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-29-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-31-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-32-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-33-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-34-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-35-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-36-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-37-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-38-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-8-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-15-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-9-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-11-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                    Filesize

                    4KB

                  • memory/2960-28-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-22-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-23-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-21-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-7-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-56-0x0000000010000000-0x0000000010019000-memory.dmp

                    Filesize

                    100KB

                  • memory/2960-60-0x0000000010000000-0x0000000010019000-memory.dmp

                    Filesize

                    100KB

                  • memory/2960-59-0x0000000010000000-0x0000000010019000-memory.dmp

                    Filesize

                    100KB

                  • memory/2960-61-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-62-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-63-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-64-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-65-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-67-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-66-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-68-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB

                  • memory/2960-69-0x0000000000400000-0x000000000047F000-memory.dmp

                    Filesize

                    508KB