Overview

overview

10

Static

static

1

B89BA7DD8D...B7.exe

windows7-x64

10

B89BA7DD8D...B7.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    B89BA7DD8D61CEDBACAA00AABEF600B7.exe
  • Size 1.7MB
  • Sample240908-e2h4qayare
  • SHA256 e1f193deaa71595b668320d294635988f66c0f1ab1ab218e08fe3ae87fe10838
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcosremotehostdiscoveryrat

Malware Config

Extracted

Family

  • remcos

Botnet

  • RemoteHost

C2

  • 45.143.200.21:3389

Attributes
  • audio_folder

    MicRecords

  • 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

    remcos

  • mouse_option

    false

  • mutex

    Rmc-EFBISE

  • 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
      B89BA7DD8D61CEDBACAA00AABEF600B7.exe
    • Size 1.7MB
    • SHA256 e1f193deaa71595b668320d294635988f66c0f1ab1ab218e08fe3ae87fe10838
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    remcosremotehostdiscoveryrat

    • Remcos

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

      ratremcos

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks