General

  • Target

    37439235ea5e131525ced6e15cedc590241fe7cf91fafda4d246abb4325011d0_JC.exe

  • Size

    1.4MB

  • Sample

    230831-ypnm8aab34

  • MD5

    94cf9d252151df6a337597bd01f02b92

  • SHA1

    9e3aa89d6c0bb8ef8fd09e678d897b06c042c53d

  • SHA256

    37439235ea5e131525ced6e15cedc590241fe7cf91fafda4d246abb4325011d0

  • SHA512

    c7ec68d36e4f307b4be3baba3c64c06e13d6c1c5ca5cc83a1fe0c42c49e4de67ba39fb97b5ec557bb87b87fb3d33a225086a7c3e6f9bf7561760ef93a024c853

  • SSDEEP

    24576:s6RrkABZN9cX9Hb1iWZWTjlYX52mM261dbq:UAB7CKj0YmYzbq

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

103.212.81.155:2404

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-GY4RIT

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      37439235ea5e131525ced6e15cedc590241fe7cf91fafda4d246abb4325011d0_JC.exe

    • Size

      1.4MB

    • MD5

      94cf9d252151df6a337597bd01f02b92

    • SHA1

      9e3aa89d6c0bb8ef8fd09e678d897b06c042c53d

    • SHA256

      37439235ea5e131525ced6e15cedc590241fe7cf91fafda4d246abb4325011d0

    • SHA512

      c7ec68d36e4f307b4be3baba3c64c06e13d6c1c5ca5cc83a1fe0c42c49e4de67ba39fb97b5ec557bb87b87fb3d33a225086a7c3e6f9bf7561760ef93a024c853

    • SSDEEP

      24576:s6RrkABZN9cX9Hb1iWZWTjlYX52mM261dbq:UAB7CKj0YmYzbq

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks