General

  • Target

    sostener.vbs

  • Size

    153KB

  • Sample

    231130-pwybkaca2t

  • MD5

    a77be8ab08e34877b6b87bacd6cd8a96

  • SHA1

    c9d1f0f7fa849d579bb371850b8e494d147eec7a

  • SHA256

    69bd7b6b0c70f2dab5425dcb20a1bba460412e9065704f029a40d97bde66edde

  • SHA512

    5ecd9f8de973fe0e55ee9bee97e5f517b79ffad5f94ddaee5a14865ee585edd6d693f4a0719cf927e772538afa79ce5745e87a12cb5b3cb77070eb4a6a301b1a

  • SSDEEP

    1536:HJQR2dOsssssQYssssse4ssssseisssssvisssss0ssssss9sssssRssssshsssk:HJQR2dKCil6V

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

remcoss2023.duckdns.org:4576

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-47TATF

  • 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

      sostener.vbs

    • Size

      153KB

    • MD5

      a77be8ab08e34877b6b87bacd6cd8a96

    • SHA1

      c9d1f0f7fa849d579bb371850b8e494d147eec7a

    • SHA256

      69bd7b6b0c70f2dab5425dcb20a1bba460412e9065704f029a40d97bde66edde

    • SHA512

      5ecd9f8de973fe0e55ee9bee97e5f517b79ffad5f94ddaee5a14865ee585edd6d693f4a0719cf927e772538afa79ce5745e87a12cb5b3cb77070eb4a6a301b1a

    • SSDEEP

      1536:HJQR2dOsssssQYssssse4ssssseisssssvisssss0ssssss9sssssRssssshsssk:HJQR2dKCil6V

    Score
    10/10
    • Remcos

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

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks