Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 00:21

General

  • Target

    dddb2e635d9a3ce92621bc6f28d22827cdf80b4f9602d4c553ee0ef149469252.exe

  • Size

    487KB

  • MD5

    9e1b17eae3ce408f71c5e395dedee71d

  • SHA1

    72f0d9ac6d59ec33c915664c5d4d81b110a09be6

  • SHA256

    dddb2e635d9a3ce92621bc6f28d22827cdf80b4f9602d4c553ee0ef149469252

  • SHA512

    870935c2ab1a8eba37acbdd5e7a1b593e3e3866a8ef6a372eabd6bb32fa5bb2181f0a1608a4eae7a738ba579ef2e1db016f06ead404bb67d314793e1ec42f331

  • SSDEEP

    12288:WVhMsA/xRlNUo6eDWkCz5T+6SI5794MUY/P/B+sEAKJu:WHMh/xRl9tWkw5TvRp4MUuKr

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:59089

legacyrem.duckdns.org:59089

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-BF03RK

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dddb2e635d9a3ce92621bc6f28d22827cdf80b4f9602d4c553ee0ef149469252.exe
    "C:\Users\Admin\AppData\Local\Temp\dddb2e635d9a3ce92621bc6f28d22827cdf80b4f9602d4c553ee0ef149469252.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:1392
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4348,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4408 /prefetch:8
    1⤵
      PID:4224

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\remcos\logs.dat

      Filesize

      144B

      MD5

      98de42b20433a306a01afcd3007ac110

      SHA1

      c4b98a574b6e2a42782743ae4409c10b81b02d6f

      SHA256

      8282542bd0c089229ba2abc0dcbc4102a67e9d923a69b3216603a5dc02fb239c

      SHA512

      beb79e7f641b9b3c9b6a23d36db39d6ed8d23f552798064df4e940754412c8b10a5d109bf3fa23f79d8f8cb44ee5c9dce1d28933c0aad1d3c8a028a83ddf9bef

    • memory/1392-0-0x0000000000590000-0x0000000000615000-memory.dmp

      Filesize

      532KB

    • memory/1392-1-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-3-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-5-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-6-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-7-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-8-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-10-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-11-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-13-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-12-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-15-0x0000000000590000-0x0000000000615000-memory.dmp

      Filesize

      532KB

    • memory/1392-16-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-18-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-21-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-22-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-23-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-25-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-26-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-28-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-27-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-31-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-32-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-34-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-35-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-36-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-37-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-40-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-41-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-42-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-44-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-45-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-46-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-49-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-50-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-51-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-52-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-54-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-55-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-57-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-58-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-61-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-63-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-65-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-66-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-68-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-69-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-70-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-71-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-75-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-76-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-79-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-80-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-82-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-83-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB

    • memory/1392-85-0x00000000004D0000-0x0000000000552000-memory.dmp

      Filesize

      520KB