Overview

overview

10

Static

static

10

eventlog.exe

windows7-x64

10

eventlog.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    eventlog.exe

  • Size

    469KB

  • Sample

    241217-bdv7lavray

  • MD5

    24694b1aa8dc1173a9a1877701736010

  • SHA1

    dc45ca0241af5090baedfc94513a8235f5804467

  • SHA256

    b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebdd

  • SHA512

    b4ba86f47fa3a9eef04a7cb4ee2b784bdb419fb5c049039b93b767279b96e0e3af59e5ab8ff143ac979ead3cdd42eac592439c00620e337515b2fe0c80f0e95c

  • SSDEEP

    12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQShn9:uiLJbpI7I2WhQqZ7h9

Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

204.10.194.175:4444

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    allahtools.exe

  • copy_folder

    Remcos

  • delete_file

    true

  • 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-5TVP5I

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    phishontop

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      eventlog.exe

    • Size

      469KB

    • MD5

      24694b1aa8dc1173a9a1877701736010

    • SHA1

      dc45ca0241af5090baedfc94513a8235f5804467

    • SHA256

      b6944ddaf0cf7f8e1540e7847027b763d37feda938359099296fe51442a7ebdd

    • SHA512

      b4ba86f47fa3a9eef04a7cb4ee2b784bdb419fb5c049039b93b767279b96e0e3af59e5ab8ff143ac979ead3cdd42eac592439c00620e337515b2fe0c80f0e95c

    • SSDEEP

      12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQShn9:uiLJbpI7I2WhQqZ7h9

    Score
    10/10
    remcosremotehostdiscoverypersistencerat

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks