Overview

overview

10

Static

static

10

2afc294bfe...f1.exe

windows7-x64

10

2afc294bfe...f1.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    2afc294bfe44bfad3183cc2d66ac1cf1.exe
  • Size 469KB
  • Sample220913-xe8d7sgdc4
  • SHA256 2d98fa5fb5c49ffd4e707abaa28f5a4774ba6bd19f617e66bf837d649a75cc2d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcosgo_nreturnpersistencerat

Malware Config

Extracted

Family

  • remcos

Botnet

  • Go_NReturn

C2

  • sallyfosterjones.com:5230

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    msword.exe

  • copy_folder

    office

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • keylog_crypt

    true

  • keylog_file

    reader.dat

  • keylog_flag

    false

  • keylog_folder

    office365

  • mouse_option

    false

  • mutex

    dgx-SFYQB6

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    reader

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      2afc294bfe44bfad3183cc2d66ac1cf1.exe
    • Size 469KB
    • SHA256 2d98fa5fb5c49ffd4e707abaa28f5a4774ba6bd19f617e66bf837d649a75cc2d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    remcosgo_nreturnpersistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks