General

  • Target

    df74554fa84972532ee1f476046f8885.exe

  • Size

    1.1MB

  • Sample

    250120-qv8xca1qfp

  • MD5

    df74554fa84972532ee1f476046f8885

  • SHA1

    67f378bbec8e05083b92ae7663d56d60abcd3157

  • SHA256

    5d4360996a1f89361dda1818a51dcdd2a551698c6c4d887b5ba67fd86b946e3b

  • SHA512

    25bda3e078a97fefbd2c67a2063d0c1f9c26affa446d3e00c64eaf8ed81711bb831460ea05a8f375d4669d9948cdce6895769b34f312d06cb9282953a4cf5a60

  • SSDEEP

    24576:5iJN+UVsONWfU4KeR3VayNE42bro59PVRGgYNPzokvn:U3+UnWc4fRUyObq5VkLUk/

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

103.195.236.227:2728

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-PPPZAN

  • 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

      df74554fa84972532ee1f476046f8885.exe

    • Size

      1.1MB

    • MD5

      df74554fa84972532ee1f476046f8885

    • SHA1

      67f378bbec8e05083b92ae7663d56d60abcd3157

    • SHA256

      5d4360996a1f89361dda1818a51dcdd2a551698c6c4d887b5ba67fd86b946e3b

    • SHA512

      25bda3e078a97fefbd2c67a2063d0c1f9c26affa446d3e00c64eaf8ed81711bb831460ea05a8f375d4669d9948cdce6895769b34f312d06cb9282953a4cf5a60

    • SSDEEP

      24576:5iJN+UVsONWfU4KeR3VayNE42bro59PVRGgYNPzokvn:U3+UnWc4fRUyObq5VkLUk/

    • 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