General

  • Target

    c3698a5047a0c4d938f5f64c12b72aa6f2571947e0216fe13652cb2fb26d80f2N.exe

  • Size

    1.1MB

  • Sample

    241201-xj4xkstkbj

  • MD5

    991d6659f0bbe3f8211229f64760c700

  • SHA1

    bf8adf636855ec9c4fb6081a14063db204ef6d11

  • SHA256

    c3698a5047a0c4d938f5f64c12b72aa6f2571947e0216fe13652cb2fb26d80f2

  • SHA512

    bd759b62b781ed687d6095fb37d2d461b0d04d9cdbb88641b7c4e963afeefb9dbc1dccaefdab4d95fbb9b602042769b7e5d619108ac5465e4808c8f85180d784

  • SSDEEP

    24576:XTbM8vhEjkGD+JV9SQTOk/t1nkNzE681ZWsx:+lKJjn1tZkyRbj

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

103.195.236.227:2728

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-2OT6B6

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      c3698a5047a0c4d938f5f64c12b72aa6f2571947e0216fe13652cb2fb26d80f2N.exe

    • Size

      1.1MB

    • MD5

      991d6659f0bbe3f8211229f64760c700

    • SHA1

      bf8adf636855ec9c4fb6081a14063db204ef6d11

    • SHA256

      c3698a5047a0c4d938f5f64c12b72aa6f2571947e0216fe13652cb2fb26d80f2

    • SHA512

      bd759b62b781ed687d6095fb37d2d461b0d04d9cdbb88641b7c4e963afeefb9dbc1dccaefdab4d95fbb9b602042769b7e5d619108ac5465e4808c8f85180d784

    • SSDEEP

      24576:XTbM8vhEjkGD+JV9SQTOk/t1nkNzE681ZWsx:+lKJjn1tZkyRbj

    • Remcos

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

    • Remcos family

    • 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