General

  • Target

    b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe

  • Size

    1.0MB

  • Sample

    240517-b98skacb64

  • MD5

    c0a2a67a65ca2de4bafa5b8d5aee0527

  • SHA1

    db59b429d52a174f285bca3e648da12ce14e8eaa

  • SHA256

    b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d

  • SHA512

    ad7d436b3bef3aaa20dfb0cb8c904cf5fa0702360900bb9d0c747c49ab3d36c6bcb56d9daa39218b4f2326421f5ee1eb015daa4a92755cba5d6f9ee94492559b

  • SSDEEP

    24576:ZvlIJSNI0eOcZdrQrJF3kkR82WkaiX3BZW9ngnFCDAcNep:pleaIi4QrWka2jXn/Z

Malware Config

Extracted

Family

remcos

Botnet

76364

C2

103.150.8.12:5689

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-FF0K7G

  • 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

      b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe

    • Size

      1.0MB

    • MD5

      c0a2a67a65ca2de4bafa5b8d5aee0527

    • SHA1

      db59b429d52a174f285bca3e648da12ce14e8eaa

    • SHA256

      b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d

    • SHA512

      ad7d436b3bef3aaa20dfb0cb8c904cf5fa0702360900bb9d0c747c49ab3d36c6bcb56d9daa39218b4f2326421f5ee1eb015daa4a92755cba5d6f9ee94492559b

    • SSDEEP

      24576:ZvlIJSNI0eOcZdrQrJF3kkR82WkaiX3BZW9ngnFCDAcNep:pleaIi4QrWka2jXn/Z

    • Remcos

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

    • detects Windows exceutables potentially bypassing UAC using eventvwr.exe

    • 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