General

  • Target

    6c1e347274ca3a36f91b70a7cc2dd5fa4fdab50e96aaf43cd33a750b9da16184

  • Size

    533KB

  • Sample

    220121-clhf5sdac2

  • MD5

    4e54fa32c59fe13dcfece905b30d9b1e

  • SHA1

    18ca6b12db1177cfa60729e22105b1bd7f2f9ce7

  • SHA256

    6c1e347274ca3a36f91b70a7cc2dd5fa4fdab50e96aaf43cd33a750b9da16184

  • SHA512

    d117737520fad76c82e7778ab0c9c4a8402efab552666308f535b92287e6208b8e0eec0faf29823d65884bf6a64139ec24662fa919ce92202ef1ba2a5457a394

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Harry

C2

newremc22.ddns.net:2717

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • 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

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_qvoysmnedqksues

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    bin

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Targets

    • Target

      6c1e347274ca3a36f91b70a7cc2dd5fa4fdab50e96aaf43cd33a750b9da16184

    • Size

      533KB

    • MD5

      4e54fa32c59fe13dcfece905b30d9b1e

    • SHA1

      18ca6b12db1177cfa60729e22105b1bd7f2f9ce7

    • SHA256

      6c1e347274ca3a36f91b70a7cc2dd5fa4fdab50e96aaf43cd33a750b9da16184

    • SHA512

      d117737520fad76c82e7778ab0c9c4a8402efab552666308f535b92287e6208b8e0eec0faf29823d65884bf6a64139ec24662fa919ce92202ef1ba2a5457a394

    • Remcos

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

    • Executes dropped EXE

    • Sets service image path in registry

    • Checks computer location settings

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Tasks