Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/01/2023, 13:05

General

  • Target

    1cfede541f45c372c43c2e9667323c6d7621b3f13d20ae7be93574a30a7c0633.exe

  • Size

    74KB

  • MD5

    45f5f116b2d8a8e00998fc1e9e4529d4

  • SHA1

    4e95847d642c24529258567302eadd270e4c0294

  • SHA256

    1cfede541f45c372c43c2e9667323c6d7621b3f13d20ae7be93574a30a7c0633

  • SHA512

    5612e9ae0774a031edb1f6018df5c76b97e6cc8587bc4580994dc022a4675782b55931d45ef8072ba2f72d7106ef0af4acf1f8d85054eb6789a411d8004a6de0

  • SSDEEP

    768:EGO5dN2mDSU2Ip4jBqltCF0AxEjenoB69+Fxt:vO55SFHBWAxEjc+V

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.146.88.243:2404

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-41DY3B

  • 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.

  • Downloads MZ/PE file
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cfede541f45c372c43c2e9667323c6d7621b3f13d20ae7be93574a30a7c0633.exe
    "C:\Users\Admin\AppData\Local\Temp\1cfede541f45c372c43c2e9667323c6d7621b3f13d20ae7be93574a30a7c0633.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\mspaint.exe
      "C:\Windows\SysWOW64\mspaint.exe"
      2⤵
        PID:452

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/452-135-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/452-136-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/452-137-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/452-138-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/452-139-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2280-132-0x0000000000970000-0x0000000000988000-memory.dmp

      Filesize

      96KB

    • memory/2280-133-0x000000000B830000-0x000000000B8CC000-memory.dmp

      Filesize

      624KB