General

  • Target

    7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe

  • Size

    950KB

  • Sample

    240829-b4k5bayhjr

  • MD5

    b8896a4d1adbefcc7fe4cac53b134968

  • SHA1

    e7a68f4c1ac47ecc6cc43b12dc82651cff63f670

  • SHA256

    7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69

  • SHA512

    408cca545c8556b6191629d40ac69a25a2396e90b1daa74780bf5eec62abf908413836087fb45c48205cd35acd653884fb958cecdd3a25f487b1c3b864e10e83

  • SSDEEP

    24576:1q7ngtNkKoxK5AP2EwiRcsgL5UNs3hpJB3FcU8Q:g7g7kKoKAOEF8UNYhpJ5F/8Q

Malware Config

Extracted

Family

remcos

Botnet

3456789

C2

172.93.220.148:45682

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

    765-8M14I5

  • 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

Targets

    • Target

      7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69.exe

    • Size

      950KB

    • MD5

      b8896a4d1adbefcc7fe4cac53b134968

    • SHA1

      e7a68f4c1ac47ecc6cc43b12dc82651cff63f670

    • SHA256

      7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69

    • SHA512

      408cca545c8556b6191629d40ac69a25a2396e90b1daa74780bf5eec62abf908413836087fb45c48205cd35acd653884fb958cecdd3a25f487b1c3b864e10e83

    • SSDEEP

      24576:1q7ngtNkKoxK5AP2EwiRcsgL5UNs3hpJB3FcU8Q:g7g7kKoKAOEF8UNYhpJ5F/8Q

    • Remcos

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks