General

  • Target

    SWIFT 103 202414111523339800 111124.pdf.vbs

  • Size

    1KB

  • Sample

    241114-hvx6vavmc1

  • MD5

    1571d85ecdbd26ac45e3f2639e7e4310

  • SHA1

    b1dd5db95e88132a5052b451b757b9ce486bccc0

  • SHA256

    167887f979c648809aa8328edba96d972b401f74b06ee5026ea073efd4d9b432

  • SHA512

    e0d9a19616e3762c67b0f2d24a92529c3bbd26f01938768c0d213470628df97e7f2bf6aa7c0bdf60018590862e500c1ad6bb6e4b0585b4be47d1b06dd9fb4bcf

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

exe.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

Extracted

Family

remcos

Botnet

NOV

C2

alpha147.ddns.net:35890

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    vlc.exe

  • copy_folder

    vlc

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-1KOA72

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    rmc

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      SWIFT 103 202414111523339800 111124.pdf.vbs

    • Size

      1KB

    • MD5

      1571d85ecdbd26ac45e3f2639e7e4310

    • SHA1

      b1dd5db95e88132a5052b451b757b9ce486bccc0

    • SHA256

      167887f979c648809aa8328edba96d972b401f74b06ee5026ea073efd4d9b432

    • SHA512

      e0d9a19616e3762c67b0f2d24a92529c3bbd26f01938768c0d213470628df97e7f2bf6aa7c0bdf60018590862e500c1ad6bb6e4b0585b4be47d1b06dd9fb4bcf

    • Remcos

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

    • Remcos family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Drops startup file

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks