General

  • Target

    Binary Image Logger.exe

  • Size

    539KB

  • Sample

    240814-yhdjnswamm

  • MD5

    ae68f62cfda769bc4afa4b149b741a29

  • SHA1

    50db9c85a3340ff3d66389049320fb6d44a3c9c3

  • SHA256

    e73884573e48fc799a4347e4f463ebcb517bb10bdd800844fd6f17566fd37306

  • SHA512

    c44cb77cb9da49889740a54867c538f191f9b5eb431566e6c4200f7e439e6d478ac9dd2d8a574cc7e813c48dd3cd3db1d82c5f5f8bf93ec2c2e0c914f1458295

  • SSDEEP

    12288:/FVd6tvI0g3fQfqdAnKESxfbeabRN3ujW:/FVdoI0Ef5A2TeabRdujW

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

mode-clusters.gl.at.ply.gg:36304

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    $77-Update of anti root

  • copy_folder

    Remcos

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-MCWFTA

  • 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

      Binary Image Logger.exe

    • Size

      539KB

    • MD5

      ae68f62cfda769bc4afa4b149b741a29

    • SHA1

      50db9c85a3340ff3d66389049320fb6d44a3c9c3

    • SHA256

      e73884573e48fc799a4347e4f463ebcb517bb10bdd800844fd6f17566fd37306

    • SHA512

      c44cb77cb9da49889740a54867c538f191f9b5eb431566e6c4200f7e439e6d478ac9dd2d8a574cc7e813c48dd3cd3db1d82c5f5f8bf93ec2c2e0c914f1458295

    • SSDEEP

      12288:/FVd6tvI0g3fQfqdAnKESxfbeabRN3ujW:/FVdoI0Ef5A2TeabRdujW

    • Remcos

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

    • UAC bypass

    • Adds policy Run key to start application

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks