General

  • Target

    sostener.vbs

  • Size

    499KB

  • Sample

    240926-kxyw9syapl

  • MD5

    3b4164bdb4cf6c49570c95714f8c17a5

  • SHA1

    13c7abef0333088056a8c11c951c97fcb878ad96

  • SHA256

    fac857a7fa291be79831caef11498e067c036cd66812c7f1244b95b3e78a3ea4

  • SHA512

    460bf20b6d30b4314703b67356828e540db80b43e3afc37ce2d075660370a4a306659075abe4a6895039df86316d95756441e40546d8d72daef7c5c11e7155ac

  • SSDEEP

    12288:n9D/msDMDwwpZcKHg9NR4A6sgmkhf1dM4Y6ebu5Z2PqoKuN8HUe5FXNbSEKOsyTE:Sbqj

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

exe.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

Extracted

Family

remcos

Botnet

Matrix Fenix*

C2

newssssssssssssss.duckdns.org:2404

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

    registros.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-XDNGQ0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Capturas de pantalla

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      sostener.vbs

    • Size

      499KB

    • MD5

      3b4164bdb4cf6c49570c95714f8c17a5

    • SHA1

      13c7abef0333088056a8c11c951c97fcb878ad96

    • SHA256

      fac857a7fa291be79831caef11498e067c036cd66812c7f1244b95b3e78a3ea4

    • SHA512

      460bf20b6d30b4314703b67356828e540db80b43e3afc37ce2d075660370a4a306659075abe4a6895039df86316d95756441e40546d8d72daef7c5c11e7155ac

    • SSDEEP

      12288:n9D/msDMDwwpZcKHg9NR4A6sgmkhf1dM4Y6ebu5Z2PqoKuN8HUe5FXNbSEKOsyTE:Sbqj

    • Remcos

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks