General

  • Target

    sostener.vbs

  • Size

    160KB

  • Sample

    231201-px3yfahh5v

  • MD5

    bdb850de7344160009d1c0b8b2defc0c

  • SHA1

    d05c9aeeeea00c63e81fe4b042bc9f7bfaa2d05f

  • SHA256

    f1b3cd47f240937443b180b525012fb5ce245ecb503e909ae7802685dfb04416

  • SHA512

    d24eee11ec3366eb933ce08b1bbfc85ac51b122e72eab60fd1286f2e0e44946a76a4f5eb1f68a4e55ab166761c2ada1cbd2df048b913be5c029d077743c04aa0

  • SSDEEP

    384:vYk4JXDtVdXDlga8YmxNAfloK4p9fYgdSdXdLdXdWdXdOdXdzdXdzdXdzdXdzdXJ:gD3dXDSXYmNAfaK4ptYxaY7

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

remccoss2023.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

    registros.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-E5ZBB0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Capturas de pantalla

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      sostener.vbs

    • Size

      160KB

    • MD5

      bdb850de7344160009d1c0b8b2defc0c

    • SHA1

      d05c9aeeeea00c63e81fe4b042bc9f7bfaa2d05f

    • SHA256

      f1b3cd47f240937443b180b525012fb5ce245ecb503e909ae7802685dfb04416

    • SHA512

      d24eee11ec3366eb933ce08b1bbfc85ac51b122e72eab60fd1286f2e0e44946a76a4f5eb1f68a4e55ab166761c2ada1cbd2df048b913be5c029d077743c04aa0

    • SSDEEP

      384:vYk4JXDtVdXDlga8YmxNAfloK4p9fYgdSdXdLdXdWdXdOdXdzdXdzdXdzdXdzdXJ:gD3dXDSXYmNAfaK4ptYxaY7

    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