Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-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 8 IoCs

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

  • NirSoft MailPassView 2 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 6 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 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:4132
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
        PID:336
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3600
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe /stext "C:\Users\Admin\AppData\Local\Temp\rglzwehfpguzqdyqrflxdecz"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4176
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe /stext "C:\Users\Admin\AppData\Local\Temp\ciqrpxshlommajmuiqgqorwqmem"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:3564
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe /stext "C:\Users\Admin\AppData\Local\Temp\edvcqplbzwercxiyrbssrwjzvkwxfr"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2036

    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\rglzwehfpguzqdyqrflxdecz

      Filesize

      4KB

      MD5

      60e30555becdb968406edb87fff512ef

      SHA1

      65551417f6371c40e6d5dab38fe87ab634f9446e

      SHA256

      9e347aa1a363532c72d7728abe1afdc48b9418fae8cbf8bcbc50c9c22dfefa57

      SHA512

      cbe1aebf171b54f481028208aa85fb04145cc40772cc30e67107caa5cc70c73f274da362766f125093c1fab1416c687744e53e0f7c30b6ead866c6f6ba671449

    • memory/2036-26-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2036-33-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2036-20-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2036-18-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2036-29-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/3564-23-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/3564-25-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/3564-16-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/3564-28-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/3600-12-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-2-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-14-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-0-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-11-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-76-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-77-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-10-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-9-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-8-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-69-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-7-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-4-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-3-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-68-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-61-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-37-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/3600-40-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/3600-41-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/3600-42-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-43-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-44-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-49-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-1-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-53-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-52-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3600-60-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/4176-15-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/4176-35-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/4176-24-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/4176-21-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/4176-27-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB