Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/12/2022, 09:18

General

  • Target
    N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe
  • Size 1.2MB
  • Sample221214-k9md1ace21
  • SHA256 c6c950ca8ee414fcb5d1d28227799a1eec9a277f73c7eb0403052563a9f80468
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Botnet
  • 2nd-Host

C2
  • eaidali101.ddns.net:6060

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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-3DZ9AY

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 4 IoCs
  • Reads user/profile data of web browsers 2 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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe
    "C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe
      "C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4308
      • C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe
        "C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe" /stext "C:\Users\Admin\AppData\Local\Temp\cblwbxickbyldinndypgtrjbqajmtadcde"
        3⤵
          PID:1296
        • C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe
          "C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe" /stext "C:\Users\Admin\AppData\Local\Temp\cblwbxickbyldinndypgtrjbqajmtadcde"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4196
        • C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe
          "C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe" /stext "C:\Users\Admin\AppData\Local\Temp\ndqotp"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:1428
        • C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe
          "C:\Users\Admin\AppData\Local\Temp\N.° 78 - Orden de Compra - la-Sante Licitación Privada.exe" /stext "C:\Users\Admin\AppData\Local\Temp\pxwzuidxmr"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5072

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          cblwbxickbyldinndypgtrjbqajmtadcde

          • Path C:\Users\Admin\AppData\Local\Temp\cblwbxickbyldinndypgtrjbqajmtadcde
          • Size 4KB
          • SHA256 8d46702077d776b04085cbe5ce2f0e5971595ea4e11b025a215c4379e7fc18f8
          • MD5 SHA1 SHA512 SSDEEP

          memory/1428-144-0x0000000000400000-0x0000000000457000-memory.dmp

          memory/2760-134-0x00000000059D0000-0x0000000005A6C000-memory.dmp

          memory/2760-133-0x0000000004F80000-0x0000000005012000-memory.dmp

          memory/2760-132-0x00000000000E0000-0x000000000020C000-memory.dmp

          memory/4196-146-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/4196-147-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/4308-139-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4308-138-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4308-137-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4308-136-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4308-149-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/5072-145-0x0000000000400000-0x0000000000424000-memory.dmp