Analysis

  • max time kernel
    159s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2023 16:54

General

  • Target

    RADICADO;87520032667 -2023-001320.exe

  • Size

    1023.9MB

  • MD5

    71454a54651362b5a08510f163a82970

  • SHA1

    f61556c94db9d224768edaaf2cf20f0b42329e6c

  • SHA256

    9d0ae6e8ec8ea110aa3d269ca4f89182627fff39baafd86fb22ce6cc4328920d

  • SHA512

    7c9fff7da952ff55862dd1ba4f0ba3f0b64728a084cf71494f1e6d073f72159a71463b030fba1f593c47887709b8209fd5c5cdd30e7f0f8e68000201f4c397b3

  • SSDEEP

    12288:JOQDQ0skhCKd1pnSJpI5xAzXlxJpGjcV+8ETd5jYLl5Hmkxfr1:kKdey5qzXlxv+/xrW5H/r1

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

CORONE

C2

farsante9.con-ip.com:7770

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-W9C5KV

  • 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 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RADICADO;87520032667 -2023-001320.exe
    "C:\Users\Admin\AppData\Local\Temp\RADICADO;87520032667 -2023-001320.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2456
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\AppData"
      2⤵
        PID:2684
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\RADICADO;87520032667 -2023-001320.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
        2⤵
          PID:4980
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /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:4420
          • 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:4904

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Scheduled Task/Job

      1
      T1053

      Persistence

      Scheduled Task/Job

      1
      T1053

      Privilege Escalation

      Scheduled Task/Job

      1
      T1053

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\remcos\logs.dat
        Filesize

        144B

        MD5

        c27f6dd3fa84704f78006df11d10ccf3

        SHA1

        428a0907054930fa67c60b75d1708e51223af38a

        SHA256

        a7c14e08bd1f919daf3ed0e76b92459aba34ad93f5c2a4944d989362bb510e50

        SHA512

        b13ead9703dc5070cd653724d0f3483c5869f998f22c41b7e9d8c5d8f64ac56b22619b8ffc605d4c1bd8b6104f52e68c44aaff8144f8c333e6377c9aa66de88c

      • memory/1964-11-0x00000000747E0000-0x0000000074F90000-memory.dmp
        Filesize

        7.7MB

      • memory/1964-0-0x00000000007A0000-0x0000000000832000-memory.dmp
        Filesize

        584KB

      • memory/1964-2-0x0000000002C30000-0x0000000002C40000-memory.dmp
        Filesize

        64KB

      • memory/1964-3-0x00000000057C0000-0x0000000005D64000-memory.dmp
        Filesize

        5.6MB

      • memory/1964-1-0x00000000747E0000-0x0000000074F90000-memory.dmp
        Filesize

        7.7MB

      • memory/2456-17-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-27-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-6-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-12-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-13-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-14-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-15-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-16-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-5-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-19-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-26-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-9-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-28-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-4-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-35-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-36-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-43-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-44-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-51-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-52-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-60-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB

      • memory/2456-61-0x0000000000400000-0x0000000000482000-memory.dmp
        Filesize

        520KB