General

  • Target

    514ce89a033c910d8243090b926c741cea01d27f

  • Size

    8KB

  • Sample

    230113-bf7cmsgc9v

  • MD5

    aa6154b9872dcd75bcb87557a4fda5bb

  • SHA1

    514ce89a033c910d8243090b926c741cea01d27f

  • SHA256

    c0a5183fb178f4734580069f8697419dd8883a88bf69e57a2edb109d15d5cc9d

  • SHA512

    1a06637debdbfc43a0940b18289ea8f9e6ff83b4ef69528e67f9515ad56c0ebeb147a1ef434be2188ac246790c24e9ad668eca108296e3432ed98d7957cdf3d6

  • SSDEEP

    192:K1vFjl2DqyWLCOChmfnXLjWhLPdEmH5x8:K1vFjl2mpLCOCgfnXLjELmA5x

Malware Config

Extracted

Family

remcos

Botnet

54345

C2

195.133.40.168:54345

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-XOSM7F

  • 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

      514ce89a033c910d8243090b926c741cea01d27f

    • Size

      8KB

    • MD5

      aa6154b9872dcd75bcb87557a4fda5bb

    • SHA1

      514ce89a033c910d8243090b926c741cea01d27f

    • SHA256

      c0a5183fb178f4734580069f8697419dd8883a88bf69e57a2edb109d15d5cc9d

    • SHA512

      1a06637debdbfc43a0940b18289ea8f9e6ff83b4ef69528e67f9515ad56c0ebeb147a1ef434be2188ac246790c24e9ad668eca108296e3432ed98d7957cdf3d6

    • SSDEEP

      192:K1vFjl2DqyWLCOChmfnXLjWhLPdEmH5x8:K1vFjl2mpLCOCgfnXLjELmA5x

    • Remcos

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

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

    • Deletes itself

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks