General

  • Target

    Payment_advise USD75,000.exe

  • Size

    1.2MB

  • Sample

    241112-jhjclayajb

  • MD5

    0e43d0bcdb55ef41cc9e2d4801e7c27f

  • SHA1

    2dbb0488aaf9fb38a190fbd29a8c1d1e652138e1

  • SHA256

    224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5

  • SHA512

    96c2a1dfd0c56c98ec81016553d0fec248aad2886ae2dd7a90964cb509a9862a48a8cbac19689f1850cf6099a496d9e829701646b5c6675c7800df653b7d7a9d

  • SSDEEP

    24576:6Mvntm93k/PFrLuhNoGHCstvZW+N4od77iyziq7z+bOrwQtE86t:6Sm93UFrWCstvwg4od2yuqCbOrBy

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

172.245.123.14:2404

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

    remcos

  • mouse_option

    false

  • mutex

    Rmc-3DXQCZ

  • 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

      Payment_advise USD75,000.exe

    • Size

      1.2MB

    • MD5

      0e43d0bcdb55ef41cc9e2d4801e7c27f

    • SHA1

      2dbb0488aaf9fb38a190fbd29a8c1d1e652138e1

    • SHA256

      224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5

    • SHA512

      96c2a1dfd0c56c98ec81016553d0fec248aad2886ae2dd7a90964cb509a9862a48a8cbac19689f1850cf6099a496d9e829701646b5c6675c7800df653b7d7a9d

    • SSDEEP

      24576:6Mvntm93k/PFrLuhNoGHCstvZW+N4od77iyziq7z+bOrwQtE86t:6Sm93UFrWCstvwg4od2yuqCbOrBy

    • Remcos

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

    • Remcos family

    • 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