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General

  • Target

    tmp

  • Size

    1.3MB

  • Sample

    230105-zdlj6adb84

  • MD5

    85dfaae133455ac2a1a983c68018b959

  • SHA1

    c41d6f393044decaa3c3c0148a1dfad3835912da

  • SHA256

    5ea7e1f0bac802c35592fcb8376962518b58841509377f7d4646b7693cbed7da

  • SHA512

    b412cdf023fb8662f260f82fa756a70cb8b5fc23e54857cf4a9f60331dbec074592d9f63a819734472f8fb7b2522cb16f56340dc2e99d1aa7f35554b5bd97ef1

  • SSDEEP

    24576:yWmAFubSZdt9McpKzfN8w0f/GNuoQk2UeZRf/h4hEKasiX:q2ZdRpKbOwwf1RSKVs6

Malware Config

Extracted

Family

remcos

Version

4.0.1 Light

Botnet

RemoteHost

C2

80.66.75.41:24155

80.66.75.41:55535

80.66.75.41:36405

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-MYECP1

  • 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

      tmp

    • Size

      1.3MB

    • MD5

      85dfaae133455ac2a1a983c68018b959

    • SHA1

      c41d6f393044decaa3c3c0148a1dfad3835912da

    • SHA256

      5ea7e1f0bac802c35592fcb8376962518b58841509377f7d4646b7693cbed7da

    • SHA512

      b412cdf023fb8662f260f82fa756a70cb8b5fc23e54857cf4a9f60331dbec074592d9f63a819734472f8fb7b2522cb16f56340dc2e99d1aa7f35554b5bd97ef1

    • SSDEEP

      24576:yWmAFubSZdt9McpKzfN8w0f/GNuoQk2UeZRf/h4hEKasiX:q2ZdRpKbOwwf1RSKVs6

    • Remcos

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

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Loads dropped DLL

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks