Overview

overview

10

Static

static

10

remcos_a.exe

windows10-ltsc 2021-x64

10

remcos_a.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    remcos_a.exe

  • Size

    469KB

  • Sample

    250307-r9esgssmx8

  • MD5

    43639322671579f8a99a8a42e42777cf

  • SHA1

    0e397ebf8a3c5ab8c84424c674daa74674710519

  • SHA256

    6182c4acf47f39e0ab54ba35cb5e69c8bdbd2ee76a64939c94c26b6bdcbc65bb

  • SHA512

    cd26a73fa99a4e0ec2e353058fc95a02f6e12243aefc0cee07bcff99f6b89fef3c81c90e0fbb7dedd58dd9d114c480f83ed5559edce581b2db9cf72dcc528d72

  • SSDEEP

    12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSIn9:uiLJbpI7I2WhQqZ7I9

Score
10/10
hawkeyeremcosremotehostcollectiondiscoverykeyloggerpersistenceransomwareratspywarestealertrojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

195.88.218.126:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    1034

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    macrosoft

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc-I0SVLJ

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    sihost

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      remcos_a.exe

    • Size

      469KB

    • MD5

      43639322671579f8a99a8a42e42777cf

    • SHA1

      0e397ebf8a3c5ab8c84424c674daa74674710519

    • SHA256

      6182c4acf47f39e0ab54ba35cb5e69c8bdbd2ee76a64939c94c26b6bdcbc65bb

    • SHA512

      cd26a73fa99a4e0ec2e353058fc95a02f6e12243aefc0cee07bcff99f6b89fef3c81c90e0fbb7dedd58dd9d114c480f83ed5559edce581b2db9cf72dcc528d72

    • SSDEEP

      12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSIn9:uiLJbpI7I2WhQqZ7I9

    Score
    10/10
    hawkeyeremcosremotehostcollectiondiscoverykeyloggerpersistenceransomwareratspywarestealertrojan

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

      keyloggertrojanstealerspywarehawkeye

    • Hawkeye family

      hawkeye

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Adds policy Run key to start application

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks