Overview

overview

10

Static

static

1

9fa6552014...2a.exe

windows7-x64

10

9fa6552014...2a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9fa65520148046f0e3791249d36a42ec4401f8f5db36091bc63156c778e4252a.exe

  • Size

    293KB

  • Sample

    241219-cbmccasnfn

  • MD5

    90685b3446365662273f08298a9724c3

  • SHA1

    2f1881d820114d9e567aaf3185754f6d0cdc0645

  • SHA256

    9fa65520148046f0e3791249d36a42ec4401f8f5db36091bc63156c778e4252a

  • SHA512

    d7675048d87e3265665339b9f57c34d9d6070507d935e7e8d7bcb2681434c3a8e6a6999aa901f0d9bf1ac872079a95daaa595eb04340cf14175323f3154ca981

  • SSDEEP

    6144:f5ZdP3uQMi7StiABLHGEEUqdGrxrL0Or1jQQdy02sbYB:fdP3d2uO0Or1WkbYB

Score
10/10
remcosplanesdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.1.0 Pro

Botnet

Planes

C2

remfff.duckdns.org:48604

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    csrss.exe

  • copy_folder

    csrss.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    RemcosXs-L20P2E

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    csrss.exe

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      9fa65520148046f0e3791249d36a42ec4401f8f5db36091bc63156c778e4252a.exe

    • Size

      293KB

    • MD5

      90685b3446365662273f08298a9724c3

    • SHA1

      2f1881d820114d9e567aaf3185754f6d0cdc0645

    • SHA256

      9fa65520148046f0e3791249d36a42ec4401f8f5db36091bc63156c778e4252a

    • SHA512

      d7675048d87e3265665339b9f57c34d9d6070507d935e7e8d7bcb2681434c3a8e6a6999aa901f0d9bf1ac872079a95daaa595eb04340cf14175323f3154ca981

    • SSDEEP

      6144:f5ZdP3uQMi7StiABLHGEEUqdGrxrL0Or1jQQdy02sbYB:fdP3d2uO0Or1WkbYB

    Score
    10/10
    remcosplanesdiscoverypersistencerat

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks