Overview

overview

10

Static

static

10

57957975ce...eN.exe

windows7-x64

10

57957975ce...eN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    57957975ce015de2c017af1ad179f1181ac4ee2ddbf8298a5568731ab17082aeN.exe

  • Size

    469KB

  • Sample

    250104-z8lteaxrat

  • MD5

    489ba8cc178a4c67825a20800a761f90

  • SHA1

    7945f460895062c2e90cc871fb92a84e2f43dedd

  • SHA256

    57957975ce015de2c017af1ad179f1181ac4ee2ddbf8298a5568731ab17082ae

  • SHA512

    bb366830d8e1cc38530991a794fc43aecd58d1cc5448a9a7727a70f9ca47eb9dba185b6ca12755c6cada5dab46b4890c3deee2baff8378de04eee67fe349b467

  • SSDEEP

    12288:Omnk7iLJbpIpiRL6I2WhSKQ9ZsfZQS1n9:2iLJbpI7I2WhQqZ719

Score
10/10
remcoswindowsupdaterdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

WindowsUpdater

C2

204.10.194.175:1337

204.10.194.175:4444
Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    WindowsUpdater.exe

  • copy_folder

    Windows

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-1O3BBM

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      57957975ce015de2c017af1ad179f1181ac4ee2ddbf8298a5568731ab17082aeN.exe

    • Size

      469KB

    • MD5

      489ba8cc178a4c67825a20800a761f90

    • SHA1

      7945f460895062c2e90cc871fb92a84e2f43dedd

    • SHA256

      57957975ce015de2c017af1ad179f1181ac4ee2ddbf8298a5568731ab17082ae

    • SHA512

      bb366830d8e1cc38530991a794fc43aecd58d1cc5448a9a7727a70f9ca47eb9dba185b6ca12755c6cada5dab46b4890c3deee2baff8378de04eee67fe349b467

    • SSDEEP

      12288:Omnk7iLJbpIpiRL6I2WhSKQ9ZsfZQS1n9:2iLJbpI7I2WhQqZ719

    Score
    10/10
    remcoswindowsupdaterdiscoverypersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks