General

  • Target

    8fb486798392dbf7aeeae64d1338d5be840b88b9be64e271c83010039a96b5bf.exe

  • Size

    887KB

  • Sample

    240914-b2yydszgjq

  • MD5

    4f17996e37a6f17855f4d99a3952e758

  • SHA1

    a32236cca26fa4d3eb8b2a322f41c22f5aef5f1d

  • SHA256

    8fb486798392dbf7aeeae64d1338d5be840b88b9be64e271c83010039a96b5bf

  • SHA512

    1990ae9e17c1a78207b5588a2520676e8304f7cd431362eb5a50beb64d4ce3dc60f4e37fe874370f23199ddfe91e72801ed257a9edccbd6cfc8a3f3418c24c74

  • SSDEEP

    12288:ZMdcDNLv2uxySCenLFFwcUXLneC8I87rFmfDJUnt2LzcNI0jJnDN8LojGByXH6:DDZEStLDwcUbeCJ3MI0L8KGg

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:59321

nnamoo.duckdns.org:59321

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-41EVS0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      8fb486798392dbf7aeeae64d1338d5be840b88b9be64e271c83010039a96b5bf.exe

    • Size

      887KB

    • MD5

      4f17996e37a6f17855f4d99a3952e758

    • SHA1

      a32236cca26fa4d3eb8b2a322f41c22f5aef5f1d

    • SHA256

      8fb486798392dbf7aeeae64d1338d5be840b88b9be64e271c83010039a96b5bf

    • SHA512

      1990ae9e17c1a78207b5588a2520676e8304f7cd431362eb5a50beb64d4ce3dc60f4e37fe874370f23199ddfe91e72801ed257a9edccbd6cfc8a3f3418c24c74

    • SSDEEP

      12288:ZMdcDNLv2uxySCenLFFwcUXLneC8I87rFmfDJUnt2LzcNI0jJnDN8LojGByXH6:DDZEStLDwcUbeCJ3MI0L8KGg

    • Remcos

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks