General

  • Target

    647b4007083ce47cbd208a9aa9b32891e2d910a3c367494760c241bfc068c3e2

  • Size

    1.0MB

  • Sample

    241211-2lj3eavrgk

  • MD5

    42d94499e951bca482a4b665e92cd535

  • SHA1

    30d8b531e933655c1a36656ed0603e37114c27a2

  • SHA256

    647b4007083ce47cbd208a9aa9b32891e2d910a3c367494760c241bfc068c3e2

  • SHA512

    1517f4963492b4d86d78d40ddcff2231dc787799b7f06b317afc466c8cae26e3be3a99537be826a347d33105217ea2ad870a53aea195f1158f1b7a173bbb1ccf

  • SSDEEP

    24576:VxEqP43IQNOsv+lM/ItbktBuwrs89e+52iR:VxXPiIQNULoXJrs6e+8iR

Malware Config

Extracted

Family

remcos

Botnet

RemoteHostim

C2

87.121.86.48:46098

127.0.0.1:46098

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-DGHQD0

  • 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

      647b4007083ce47cbd208a9aa9b32891e2d910a3c367494760c241bfc068c3e2

    • Size

      1.0MB

    • MD5

      42d94499e951bca482a4b665e92cd535

    • SHA1

      30d8b531e933655c1a36656ed0603e37114c27a2

    • SHA256

      647b4007083ce47cbd208a9aa9b32891e2d910a3c367494760c241bfc068c3e2

    • SHA512

      1517f4963492b4d86d78d40ddcff2231dc787799b7f06b317afc466c8cae26e3be3a99537be826a347d33105217ea2ad870a53aea195f1158f1b7a173bbb1ccf

    • SSDEEP

      24576:VxEqP43IQNOsv+lM/ItbktBuwrs89e+52iR:VxXPiIQNULoXJrs6e+8iR

    • Remcos

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

    • Remcos family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Command and Scripting Interpreter: PowerShell

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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks