General

  • Target

    7fef9fc48835f5ad1c726a78a1feac7e7f9049267155bb452a476af6d2694fbf

  • Size

    925KB

  • Sample

    241106-j5eb6awgpb

  • MD5

    ce30fa85428585610d9869ac77cefc8a

  • SHA1

    90fc83e749f654dd63162b20bc603b7f4be36aa1

  • SHA256

    7fef9fc48835f5ad1c726a78a1feac7e7f9049267155bb452a476af6d2694fbf

  • SHA512

    71ffb1e59bec949e7f886be55f872a1293a8eac746ea35f1b986b4234f6ba7ef8917c37ff8585caed7992206e826a758c7e5c5805df1675acf14cdf4e18cc388

  • SSDEEP

    24576:VseUaizFI4lF8x2Fb4TbkcReLBNIcXxKy0nY:VEaYFIE8x2FbOkYcXxV0nY

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

206.189.218.238:4782

206.189.218.238:2286

206.189.218.238:3363

206.189.218.238:3386

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-NJK093

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      7fef9fc48835f5ad1c726a78a1feac7e7f9049267155bb452a476af6d2694fbf

    • Size

      925KB

    • MD5

      ce30fa85428585610d9869ac77cefc8a

    • SHA1

      90fc83e749f654dd63162b20bc603b7f4be36aa1

    • SHA256

      7fef9fc48835f5ad1c726a78a1feac7e7f9049267155bb452a476af6d2694fbf

    • SHA512

      71ffb1e59bec949e7f886be55f872a1293a8eac746ea35f1b986b4234f6ba7ef8917c37ff8585caed7992206e826a758c7e5c5805df1675acf14cdf4e18cc388

    • SSDEEP

      24576:VseUaizFI4lF8x2Fb4TbkcReLBNIcXxKy0nY:VEaYFIE8x2FbOkYcXxV0nY

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks