General

  • Target

    GH09876545600-87.bat.exe

  • Size

    1MB

  • Sample

    231205-h4eqvsaa87

  • MD5

    f0b143f0d8012b2acb59e94544ee8a95

  • SHA1

    215cd6adf283a17bf4c717e27842bc1e9bfb2058

  • SHA256

    1f0a225b3b04a26d777a315cb1cacde6d5b0d7fc9e182a96ef035b41adada2de

  • SHA512

    64b5dd4b4f14c090a06cbfa3dc69028efdc9c2c973afe7b3449eb4211611d8f373124eef14553548dd0cfc18b057d9518000ea6a8082fe1987c05b89f9a9dfa1

  • SSDEEP

    24576:HYc6g/pOKKeFZYokY8+VnPZhNsqWOgjcjqQvWV:HrZYokYNnFsfxjcjqbV

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.175.229.139:8087

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-IZFV1M

  • 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

      GH09876545600-87.bat.exe

    • Size

      1MB

    • MD5

      f0b143f0d8012b2acb59e94544ee8a95

    • SHA1

      215cd6adf283a17bf4c717e27842bc1e9bfb2058

    • SHA256

      1f0a225b3b04a26d777a315cb1cacde6d5b0d7fc9e182a96ef035b41adada2de

    • SHA512

      64b5dd4b4f14c090a06cbfa3dc69028efdc9c2c973afe7b3449eb4211611d8f373124eef14553548dd0cfc18b057d9518000ea6a8082fe1987c05b89f9a9dfa1

    • SSDEEP

      24576:HYc6g/pOKKeFZYokY8+VnPZhNsqWOgjcjqQvWV:HrZYokYNnFsfxjcjqbV

    • 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

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks