Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-03-2024 02:57

General

  • Target

    PR18213.exe

  • Size

    386KB

  • MD5

    111ec3b664493425244001508fe4da9f

  • SHA1

    50ed10f291611c37cf1cf8fab9d1acd3ebc676a7

  • SHA256

    547a1a1d08381d2103c9ef6bd7f1bb68783a8d788dd7b336ddca3fbad3684f53

  • SHA512

    a5ce5f334220d3752ad12ae83dbada665c9fdcc020f207ab80280b23e95a99b55605e0fd7426881b45a27fdf4f0e5d0b9e0acd1db283b5474fe99f989ed6a7a5

  • SSDEEP

    6144:TgL8GT9VZcXXALLbrcYz0beRXNXSMMlUvE9XypnsFjvj8ldXIR81I+bz:0P7UX6YtClNXSWHdsRbWXIRg

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

december

C2

91.92.243.110:3734

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-QGHS48

  • 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.

  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 15 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PR18213.exe
    "C:\Users\Admin\AppData\Local\Temp\PR18213.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:272

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

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

    144B

    MD5

    663000db9c1b74258716b0a19ffbf235

    SHA1

    71f50cb0847c52d04451e199cf35a4ea659f0a54

    SHA256

    40d0929b74d5fb92c059e4fcc33bf3ed2003046d067f6ca55c6e209e6b6ac451

    SHA512

    a6699f242da9aac43a3917fca6b064ab8f046d5b768a8f98994359aa489633b74d007605e19685bb1777c89303f0cda46b5ae96ac01a61c9b8fee29e1e111329

  • memory/272-19-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-47-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-17-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-9-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-10-0x0000000000270000-0x0000000000370000-memory.dmp
    Filesize

    1024KB

  • memory/272-11-0x0000000000890000-0x000000000090A000-memory.dmp
    Filesize

    488KB

  • memory/272-2-0x0000000000890000-0x000000000090A000-memory.dmp
    Filesize

    488KB

  • memory/272-14-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-5-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-3-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-26-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-23-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-28-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-31-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-35-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-38-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-40-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-43-0x0000000000400000-0x0000000000882000-memory.dmp
    Filesize

    4.5MB

  • memory/272-1-0x0000000000270000-0x0000000000370000-memory.dmp
    Filesize

    1024KB