General

  • Target

    c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4

  • Size

    2.2MB

  • Sample

    241005-dfqe8s1fnr

  • MD5

    4cc37ec50a6261f3a3165bf88fd8c4c4

  • SHA1

    471b3058cc49aad6189323676472deae6dee1170

  • SHA256

    c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4

  • SHA512

    99c52e6263afe7960bc59ed56a60ffa248524798338ff61010619129ad17237a9d8402f1b93fce824c9c5f23b0b39ba19db5926dd6bc31634f0c761256fd2e29

  • SSDEEP

    24576:YD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJjRHM:Yp7E+QrFUBgq2SnJM

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4

    • Size

      2.2MB

    • MD5

      4cc37ec50a6261f3a3165bf88fd8c4c4

    • SHA1

      471b3058cc49aad6189323676472deae6dee1170

    • SHA256

      c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4

    • SHA512

      99c52e6263afe7960bc59ed56a60ffa248524798338ff61010619129ad17237a9d8402f1b93fce824c9c5f23b0b39ba19db5926dd6bc31634f0c761256fd2e29

    • SSDEEP

      24576:YD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJjRHM:Yp7E+QrFUBgq2SnJM

    • Remcos

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks