General

  • Target

    d3a0b624fb313a5960e15ad4192dc78d4b29f746c22b086eaed1b54552848fc0

  • Size

    408KB

  • Sample

    240729-qn8b8szfpj

  • MD5

    dd84171b3002f6733fdc2800ac93f09f

  • SHA1

    3d2855c4c93f04e0ea31d7f2f4175723414e51c9

  • SHA256

    d3a0b624fb313a5960e15ad4192dc78d4b29f746c22b086eaed1b54552848fc0

  • SHA512

    04e6620900b331e6303f759a6a07bcb53a6d76ce559e5373b4399e9fb1c77604f88252a8eaec6255412ea0dc59c38fb2329699555d25a9f8b234f77357adf4ad

  • SSDEEP

    3072:dHGxwfjYF2hNe4VTdRnTT8w4TW59qzuhZCjmnDCg8lpSa0sMS7Hz4BO883OBYj0E:cwfjYFI9qp

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

wemberdag.duckdns.org:31388

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

    logs

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc-LBUX79

  • 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

      d3a0b624fb313a5960e15ad4192dc78d4b29f746c22b086eaed1b54552848fc0

    • Size

      408KB

    • MD5

      dd84171b3002f6733fdc2800ac93f09f

    • SHA1

      3d2855c4c93f04e0ea31d7f2f4175723414e51c9

    • SHA256

      d3a0b624fb313a5960e15ad4192dc78d4b29f746c22b086eaed1b54552848fc0

    • SHA512

      04e6620900b331e6303f759a6a07bcb53a6d76ce559e5373b4399e9fb1c77604f88252a8eaec6255412ea0dc59c38fb2329699555d25a9f8b234f77357adf4ad

    • SSDEEP

      3072:dHGxwfjYF2hNe4VTdRnTT8w4TW59qzuhZCjmnDCg8lpSa0sMS7Hz4BO883OBYj0E:cwfjYFI9qp

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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

    • Blocklisted process makes network request

    • 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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks