Analysis

  • max time kernel
    598s
  • max time network
    596s
  • platform
    windows7_x64
  • resource
    win7-20240903-es
  • resource tags

    arch:x64arch:x86image:win7-20240903-eslocale:es-esos:windows7-x64systemwindows
  • submitted
    30-09-2024 21:20

General

  • Target

    FR VENT No 9786857645476890897654588909876954356878.exe

  • Size

    1.8MB

  • MD5

    28017f2881b5a850968490a86393074e

  • SHA1

    3a1680d68e4c0f39b01565fbf6592bd6430e99fe

  • SHA256

    c839c2e12a11065402dddc516407b781eb50955bd2de2fc920ab296bc66b6c61

  • SHA512

    6de7e71aa96f18d19263e67551b3a511c983c4ca1293a69b305b2897fe28861bc36bce4b608813319c68dc5119d56634c505e2278beb792948b392108c1cc98b

  • SSDEEP

    49152:6tqXnGPZrEU5Y/+Xn1wVvma/7DP8cijtjZRM1eic9OQq:LX+L53n1lq

Malware Config

Extracted

Family

remcos

Botnet

PENSIONN

C2

hjgfjygjfghfhfggjjgfyfgjh.con-ip.com:1666

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-PL5TC7

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FR VENT No 9786857645476890897654588909876954356878.exe
    "C:\Users\Admin\AppData\Local\Temp\FR VENT No 9786857645476890897654588909876954356878.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\FR VENT No 9786857645476890897654588909876954356878.exe
      "C:\Users\Admin\AppData\Local\Temp\FR VENT No 9786857645476890897654588909876954356878.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    230B

    MD5

    894575d42594ec826366fc8d7c8de320

    SHA1

    83f79f8e9921f3a1cd679cc8bb712b5f8c692436

    SHA256

    40c308bdb7d30fd10f8524564c1b9b418af48f0d3e185f48bc9c459dab3da4b3

    SHA512

    60cef7af6085f48e613a7788e4ef68e9630f66129ffa24739d0ce6926ef000509eff6af4145dc5101960a6b1e69b28d9df66b79e58016eeaeb4c88bb45caf4e7

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    f8d6311cb422f10a22c1acb61bf8efad

    SHA1

    9268141d5c1ca74b5e30261ba75130a9e103a8f0

    SHA256

    b24830a29d7ae368cb8de15b26b53d0eefd7ea560f0624ac4ee57e2f12e7a459

    SHA512

    e13c2f01e1c90f0b082c4f0bd2280090662104e68c12c1a1c3390a38170b5d45c099a7c4664fb4f3663b4b52511c7ba4dedd42dfa7d0dc1a9bfc944c5d6dbb38

  • memory/1676-69-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-154-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-12-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-167-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-76-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-165-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-160-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-159-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-75-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-18-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-153-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-147-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-146-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-16-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-23-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-141-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-30-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-31-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-8-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-36-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-37-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-43-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-44-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-49-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-50-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-55-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-57-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-62-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-63-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-68-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-22-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/1676-21-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-140-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-81-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-82-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-88-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-89-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-94-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-95-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-100-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-103-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1676-108-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-109-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-114-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-115-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-121-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-122-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-127-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-128-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-133-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/1676-135-0x00000000001D0000-0x0000000000252000-memory.dmp

    Filesize

    520KB

  • memory/2540-1-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/2540-25-0x000000000040B000-0x0000000000423000-memory.dmp

    Filesize

    96KB

  • memory/2540-17-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/2540-13-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/2540-5-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/2540-7-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/2540-6-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/2540-3-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/2540-2-0x000000000040B000-0x0000000000423000-memory.dmp

    Filesize

    96KB

  • memory/2540-0-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB