Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    15/06/2023, 01:18

General

  • Target

    4d20cc81fe3369624b78b05419fea8efdf9f147fa13ff541561ae4298b3c5ad8.exe

  • Size

    540KB

  • MD5

    46003a917927235059d68042c451a6ca

  • SHA1

    741885a42d4517939c3a7e003727b12d457f0624

  • SHA256

    4d20cc81fe3369624b78b05419fea8efdf9f147fa13ff541561ae4298b3c5ad8

  • SHA512

    046014f7bffa551353e6f445d0b83c1821c6e13730ffb715e6bc90f7f374e012f510f18e6b8b735ddebfd51497d577293b962c4f9b47be7467e4c77c9365a842

  • SSDEEP

    12288:WioEcxmEeHrkc/hopGjiZdJiCb8jSjSbgDW/zmquIuG:WREBEeHrkcWpamECo+jLDW/Kni

Score
10/10

Malware Config

Extracted

Family

remcos

Version

4.6.0 Light

Botnet

RemoteHost

C2

192.168.175.1:1800

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-04OZR4

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d20cc81fe3369624b78b05419fea8efdf9f147fa13ff541561ae4298b3c5ad8.exe
    "C:\Users\Admin\AppData\Local\Temp\4d20cc81fe3369624b78b05419fea8efdf9f147fa13ff541561ae4298b3c5ad8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Program Files (x86)\Windows Media Player\wmpshare.exe
      -arguments
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 320
      2⤵
      • Program crash
      PID:468

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/832-57-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-58-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/832-68-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-69-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-70-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-71-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-72-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-73-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-74-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-75-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-76-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-77-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-78-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-79-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-80-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-81-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-82-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB

        • memory/832-83-0x0000000000400000-0x0000000000474000-memory.dmp

          Filesize

          464KB