General

  • Target

    bd8b7958eeae8d1adf54148d23079863.bin

  • Size

    259KB

  • Sample

    240512-dsejhagh96

  • MD5

    3c5e2074705c87913b038224fabae794

  • SHA1

    85850ede3fad3e19fd9d4b5ee92f06ae58d966cf

  • SHA256

    b7d1cc533889792230c79fbc2991ed3846ac76abfc2915c395eabb617159fc37

  • SHA512

    1e9477f73472cd7a407191b97e61feefe2f0398e77fe56a737d326e2d84e46ff76bfcca828bfd805918134d073af21038c52e9a6828d7b54c6827326559e8abe

  • SSDEEP

    6144:yXi0gzBOEbcr+5DxhQUy2N9N+1J5pm+pUWW7X:yXClbwraDU2NKXpM7X

Malware Config

Extracted

Family

remcos

Botnet

Nuevos

C2

nuevosremcs.duckdns.org:9090

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    notepads.exe

  • copy_folder

    data

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    notas

  • mouse_option

    false

  • mutex

    Rmc-LYXPNU

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    system32

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      aa4f91582c090e99b67390b61edf78df4525c6f2125c38a2a0b1a925bbe7fab4.exe

    • Size

      469KB

    • MD5

      bd8b7958eeae8d1adf54148d23079863

    • SHA1

      5b48f72267da36089181f175b3ea111dc6274377

    • SHA256

      aa4f91582c090e99b67390b61edf78df4525c6f2125c38a2a0b1a925bbe7fab4

    • SHA512

      e494a21740da130d0f79dabde3611f78f5e3874cce59aee8203b1218466e58ac1a9e9483324b58a2c6ea4a7f07ced11497103fe393f931bba47956b7b1ed62e8

    • SSDEEP

      12288:Obmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSan9:uiLJbpI7I2WhQqZ7a9

    • 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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks