Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    23-07-2024 03:39

General

  • Target

    d07cfaeced4e8bba1c9fdc8006dc80105cf654759c4d74d4d2d2964a0f6e9230.exe

  • Size

    2.3MB

  • MD5

    2a65843b474feff5256bd673b4ff88ae

  • SHA1

    0c80fb17f84d478941ab4d51fddcccaf274da31d

  • SHA256

    d07cfaeced4e8bba1c9fdc8006dc80105cf654759c4d74d4d2d2964a0f6e9230

  • SHA512

    7f8a5a684273a031b648129870d493c9a2d63838a8179b8ce32e2c94f956c1a1196ef404d346e6ca42016489fa949b985bc598111dde0249c64c12a668b77292

  • SSDEEP

    49152:E2u/BMdg532rpsjCMqigjns2+a95PlpiH9MzMrcgt4hzNriBldyQJ/MqmG:DrpEZI0BnlJNh

Malware Config

Extracted

Family

remcos

Botnet

Dollar Man

C2

178.23.190.118:52499

Attributes
  • audio_folder

    MicRecords

  • 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-SJ9MVF

  • 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.

  • Detected Nirsoft tools 7 IoCs

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

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d07cfaeced4e8bba1c9fdc8006dc80105cf654759c4d74d4d2d2964a0f6e9230.exe
    "C:\Users\Admin\AppData\Local\Temp\d07cfaeced4e8bba1c9fdc8006dc80105cf654759c4d74d4d2d2964a0f6e9230.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2468
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\qnkqsfngsglqpojeddklegdrbb"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2656
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\bhpjtyfigodvaufivoxnptqikhjnf"
        3⤵
          PID:2792
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\bhpjtyfigodvaufivoxnptqikhjnf"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:2928
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\ljubuqqbuwvicatmezkgsylrtoswgkjbz"
          3⤵
            PID:2612
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\ljubuqqbuwvicatmezkgsylrtoswgkjbz"
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2676

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\remcos\logs.dat

        Filesize

        144B

        MD5

        7325b8b9bf339669242e5356e1834a53

        SHA1

        20285fb2819c1b3185688a0cd97d5196a67fc5f0

        SHA256

        2ff7de12a3bba417e7ba291df051b2545faf069b171037bc03859de9eac752a6

        SHA512

        583be81be4f28a57b747a2cf52fb01f024e7b1b816303d7c654358a18bc8a311bac178de67f471245c9726b96305aa9bab4e258dcc2c744385f7e23748ab2843

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

        Filesize

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • memory/2468-48-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-0-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-7-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-8-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-10-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-9-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-12-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-14-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-79-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-71-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-63-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-64-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-56-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-55-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-2-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-52-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-4-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-47-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/2468-16-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-72-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2468-43-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/2468-46-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/2468-3-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2656-22-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/2656-29-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

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

        Filesize

        480KB

      • memory/2656-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2656-20-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/2656-21-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/2676-33-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2676-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2676-34-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2676-32-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2928-28-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/2928-27-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/2928-30-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/2928-25-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/2928-42-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB