Overview

overview

10

Static

static

3

510e3978a0...f5.exe

windows7-x64

10

510e3978a0...f5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    510e3978a0f5ad31b98ce85e604fa17397c0654d2c7e8ff35098b31483dd40f5

  • Size

    3.1MB

  • Sample

    250101-23mvma1rhq

  • MD5

    1a4b82ae2e587d81f93600c5b33844b0

  • SHA1

    d550908811177477a0a718585a70225562047905

  • SHA256

    510e3978a0f5ad31b98ce85e604fa17397c0654d2c7e8ff35098b31483dd40f5

  • SHA512

    31ac9f8b4b4ebb31b10fb1b26111f1afaae99249152606d9d41d35dff256dcca26891aed177a32e9d997259b294b5fa8caf80414c00727863700257d51ea7b3e

  • SSDEEP

    98304:+prFwhmHG7NltD7YUrUHmXSYd86nxWWWnmg8:+prPcTx7Y3miYW6nxW7nml

Score
10/10
remcoscrypt04discoveryrat

Malware Config

Extracted

Family

remcos

Botnet

Crypt04

C2

185.208.158.161:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    crashhandlerinfo

  • mouse_option

    false

  • mutex

    Rmc-F12W9O

  • 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

      510e3978a0f5ad31b98ce85e604fa17397c0654d2c7e8ff35098b31483dd40f5

    • Size

      3.1MB

    • MD5

      1a4b82ae2e587d81f93600c5b33844b0

    • SHA1

      d550908811177477a0a718585a70225562047905

    • SHA256

      510e3978a0f5ad31b98ce85e604fa17397c0654d2c7e8ff35098b31483dd40f5

    • SHA512

      31ac9f8b4b4ebb31b10fb1b26111f1afaae99249152606d9d41d35dff256dcca26891aed177a32e9d997259b294b5fa8caf80414c00727863700257d51ea7b3e

    • SSDEEP

      98304:+prFwhmHG7NltD7YUrUHmXSYd86nxWWWnmg8:+prPcTx7Y3miYW6nxW7nml

    Score
    10/10
    remcoscrypt04discoveryrat

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks