General

  • Target

    Company Profile and new order-202401127.scr

  • Size

    457KB

  • Sample

    241211-qxg7eavkfs

  • MD5

    d04078498be29acaa68b55111f851331

  • SHA1

    9076e89beb922d1ee190986adcf3e2892b8b5a6b

  • SHA256

    a29216211bcb3b0aed63eefe2fdf5c84669b2a330058658090588c2289fd11ea

  • SHA512

    e7eb6932566a7c7e7336d61004e39289490f32586e989a640facd9eaa440b3f203c194d0d715716e3ba57055b269f50dbb694f13e86c275417382491a40d45a1

  • SSDEEP

    6144:3bE/HU+kGuh+YScuFadNvtpYOHeQtF3pkKtURQ390Ly3ciaL4yN2gtOQV1hB398:3bytu3S6FP318w9D37yN2+1h

Malware Config

Extracted

Family

remcos

Botnet

AMG-AKU

C2

87.120.116.240:64650

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-7VHMSA

  • 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

      Company Profile and new order-202401127.scr

    • Size

      457KB

    • MD5

      d04078498be29acaa68b55111f851331

    • SHA1

      9076e89beb922d1ee190986adcf3e2892b8b5a6b

    • SHA256

      a29216211bcb3b0aed63eefe2fdf5c84669b2a330058658090588c2289fd11ea

    • SHA512

      e7eb6932566a7c7e7336d61004e39289490f32586e989a640facd9eaa440b3f203c194d0d715716e3ba57055b269f50dbb694f13e86c275417382491a40d45a1

    • SSDEEP

      6144:3bE/HU+kGuh+YScuFadNvtpYOHeQtF3pkKtURQ390Ly3ciaL4yN2gtOQV1hB398:3bytu3S6FP318w9D37yN2+1h

    • 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 and hide display window.

    • Uses browser remote debugging

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks