Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    14-11-2022 09:45

General

  • Target

    279a5520e7a1f0e9cd54f730f98bf529eb303651d556816ecec42e4144509d60.exe

  • Size

    1.4MB

  • MD5

    ea2e3b149dd6de773ed15ad7d0333588

  • SHA1

    2d29d0e21f65e44e2c3d4b494732534fe08bd47d

  • SHA256

    279a5520e7a1f0e9cd54f730f98bf529eb303651d556816ecec42e4144509d60

  • SHA512

    af50f958bb4adba8549a3477e93470931e6a8ad0f502a92d8716e2b7c84baef38f8a5c3d47338e93fe0d3278bce315d5819926697c819f361cc212671029af73

  • SSDEEP

    6144:tVGj5lTE4UU/A0ci44pPambmNO79Q/qENFr9peTeNha9Z8cjHdF+WiTM:mBTNQdTM

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

NEW REM STUB

C2

valvesco.duckdns.org:5050

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-48V73L

  • 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 NtCreateUserProcessOtherParentProcess 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1212
      • C:\Users\Admin\AppData\Local\Temp\279a5520e7a1f0e9cd54f730f98bf529eb303651d556816ecec42e4144509d60.exe
        "C:\Users\Admin\AppData\Local\Temp\279a5520e7a1f0e9cd54f730f98bf529eb303651d556816ecec42e4144509d60.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1676
      • C:\Users\Admin\AppData\Local\Temp\279a5520e7a1f0e9cd54f730f98bf529eb303651d556816ecec42e4144509d60.exe
        "C:\Users\Admin\AppData\Local\Temp\279a5520e7a1f0e9cd54f730f98bf529eb303651d556816ecec42e4144509d60.exe"
        2⤵
          PID:1228
        • C:\Users\Admin\AppData\Local\Temp\279a5520e7a1f0e9cd54f730f98bf529eb303651d556816ecec42e4144509d60.exe
          "C:\Users\Admin\AppData\Local\Temp\279a5520e7a1f0e9cd54f730f98bf529eb303651d556816ecec42e4144509d60.exe"
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:268

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/268-56-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/268-57-0x00000000004327A4-mapping.dmp
      • memory/268-59-0x0000000075E31000-0x0000000075E33000-memory.dmp
        Filesize

        8KB

      • memory/268-60-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/268-61-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/268-62-0x0000000000400000-0x000000000047F000-memory.dmp
        Filesize

        508KB

      • memory/1676-54-0x0000000000CA0000-0x0000000000E0A000-memory.dmp
        Filesize

        1.4MB

      • memory/1676-55-0x00000000004F0000-0x000000000053E000-memory.dmp
        Filesize

        312KB