Analysis

  • max time kernel
    179s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    13/03/2024, 20:21

General

  • Target

    165156 NOTIFICACIÓN URGENTE DE TRANS INTERB POR PSE EN LÍNEA FEBRERO 22 DEL 2024.exe

  • Size

    1023.9MB

  • MD5

    db6a8aedc759fcb43e03e59b582a7d5f

  • SHA1

    e688809e434fb9b9f314bec1f16f642142e58cd1

  • SHA256

    0e57fce2eeefb7c24ef7b905d0084da103f2313eba38421c46f644c06e4ef707

  • SHA512

    7e23420555f57954657a1ef453743df69b1c8aedd619570363b9f18b10fee92f098da4bf64305329f801ec50e7461b6bdeb3381ac0d66fc5c12ef01589fee120

  • SSDEEP

    12288:yvTIkDmLM5rf8tACMTY+dSHjk7QAtH3xKkNx0LCjbmPJYWr:g8kDmKf8tA/9SjKHhKkrwCmPJJr

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

BBBBB

C2

ferfnekfkjerfjre.con-ip.com:1995

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-B468MF

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\165156 NOTIFICACIÓN URGENTE DE TRANS INTERB POR PSE EN LÍNEA FEBRERO 22 DEL 2024.exe
    "C:\Users\Admin\AppData\Local\Temp\165156 NOTIFICACIÓN URGENTE DE TRANS INTERB POR PSE EN LÍNEA FEBRERO 22 DEL 2024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1144
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\AppData"
      2⤵
        PID:1056
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2588
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
          3⤵
          • Creates scheduled task(s)
          PID:2884
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\165156 NOTIFICACIÓN URGENTE DE TRANS INTERB POR PSE EN LÍNEA FEBRERO 22 DEL 2024.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
        2⤵
          PID:2564

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\ProgramData\remcos\logs.dat

              Filesize

              144B

              MD5

              960e936f060f3ca6df7b9f3cbd6810ec

              SHA1

              a6f207943ce7f3176c422f3763e45a7bc6fa8c36

              SHA256

              7c24fa3baf60ccd8e9dc0e94bacd8682eec1b8cca83ed0e28ac5cd963ceb68d2

              SHA512

              91df0dc33cf9093cd64e3bc6c413a5758a2aa056b3745e73a8fadfc93fdc4e543207a3e8ea94eb5c966aa74e7b233692f64ff7952d6f24ecc6cb86c774ef8816

            • memory/1144-9-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-22-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-3-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-5-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-6-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-8-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-7-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-70-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-10-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-11-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-12-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

              Filesize

              4KB

            • memory/1144-13-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-15-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-17-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-18-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-20-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-69-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-61-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-21-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-26-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-27-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-28-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-30-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-54-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-37-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-38-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-45-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-46-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1144-53-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2292-1-0x0000000073FB0000-0x000000007469E000-memory.dmp

              Filesize

              6.9MB

            • memory/2292-25-0x0000000073FB0000-0x000000007469E000-memory.dmp

              Filesize

              6.9MB

            • memory/2292-2-0x0000000004B90000-0x0000000004BD0000-memory.dmp

              Filesize

              256KB

            • memory/2292-0-0x0000000000100000-0x000000000018A000-memory.dmp

              Filesize

              552KB