General

  • Target

    PO-0927902-27.exe

  • Size

    1.5MB

  • Sample

    231213-nqzf1acadp

  • MD5

    efd90dc18ab8b704acc723db684cc55e

  • SHA1

    f8bf895f8f2ab82ccf8b2c0ed23f3fe8845d6fb0

  • SHA256

    d715183696f33d61192d9c7815b099ccea321a0a734bbec82c2963dbc1b37b42

  • SHA512

    7a74f73f45622a4c03ceca98a63cc3442e004515b9fde24c227b8697683852b71c5a4e311e1627ca5453d7628ea9d9950369af1fd975159da839c4b839e4607a

  • SSDEEP

    24576:cpbbeAR9HJiAO7eZ3bXfkGSZr/QTopkgxKJYiTPwQaN:cpyAueZ3bnSZr/QTukKiTPXaN

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:45070

127.0.0.1:52707

172.245.208.30:52707

172.245.208.30:45070

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-2NCCY9

  • 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

      PO-0927902-27.exe

    • Size

      1.5MB

    • MD5

      efd90dc18ab8b704acc723db684cc55e

    • SHA1

      f8bf895f8f2ab82ccf8b2c0ed23f3fe8845d6fb0

    • SHA256

      d715183696f33d61192d9c7815b099ccea321a0a734bbec82c2963dbc1b37b42

    • SHA512

      7a74f73f45622a4c03ceca98a63cc3442e004515b9fde24c227b8697683852b71c5a4e311e1627ca5453d7628ea9d9950369af1fd975159da839c4b839e4607a

    • SSDEEP

      24576:cpbbeAR9HJiAO7eZ3bXfkGSZr/QTopkgxKJYiTPwQaN:cpyAueZ3bnSZr/QTukKiTPXaN

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • ModiLoader Second Stage

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 v15

Tasks