General

  • Target

    TS-240322-UF1.exe

  • Size

    1.1MB

  • Sample

    240322-s6xpkadc87

  • MD5

    a81c7b976c93e345f1e119d9489c5161

  • SHA1

    cbfca5efd54432c73d8c987584acec5b7a05111e

  • SHA256

    f062abf63d806022b1eebfae5d4d1ac8a21501191af4312cfb390a91c56dff51

  • SHA512

    4d869700bd0b919f40b6f33650931c192dc433e7dde6a7d75e3d57995ce5cf5a15fdebdda5c96831e869319da54d3aff3fc1aa5d1a0c240001126dc299221c62

  • SSDEEP

    24576:YztZ1eKo5QyFKQ0TZVl0mF/K0PsDVG9ubWnwq3jYlRX:YsKmQyFKQ0VVm8/nPsDiubQh3jYlx

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

23.106.121.186:7876

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-6NY8VV

  • 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

      TS-240322-UF1.exe

    • Size

      1.1MB

    • MD5

      a81c7b976c93e345f1e119d9489c5161

    • SHA1

      cbfca5efd54432c73d8c987584acec5b7a05111e

    • SHA256

      f062abf63d806022b1eebfae5d4d1ac8a21501191af4312cfb390a91c56dff51

    • SHA512

      4d869700bd0b919f40b6f33650931c192dc433e7dde6a7d75e3d57995ce5cf5a15fdebdda5c96831e869319da54d3aff3fc1aa5d1a0c240001126dc299221c62

    • SSDEEP

      24576:YztZ1eKo5QyFKQ0TZVl0mF/K0PsDVG9ubWnwq3jYlRX:YsKmQyFKQ0VVm8/nPsDiubQh3jYlx

    • 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.

    • 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 Enterprise v15

Tasks