Overview

overview

10

Static

static

1

Package La...71.vbs

windows7-x64

10

Package La...71.vbs

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Package Label PL_0921371571.vbs

  • Size

    508KB

  • Sample

    240916-rmvkessckp

  • MD5

    d07670e4294bb3b4f8cb5d015f02cd63

  • SHA1

    f5026f5cdebe2a78e0e22afcfd266aa6b8ab027a

  • SHA256

    404b57d95f283e13341785c6565f1fda78a9645912850491e819f1b047563f9f

  • SHA512

    194f1d7df1885fd2d006cf026652fc22fc34f8666d1ac5f976b7ba370a1aeee80e51e3fa88828a0b4e640d9ab5f5e2bf5b900050db9d0e4ddaf8d1d6d12549f9

  • SSDEEP

    12288:VHkaHTzfEQUu8fW7H7P0ielz5KM9BoVH4WJ19UsipS28E8PWPNsgF+QhB0Iy6Zm2:VRc67Q6ZG0oZ

Score
10/10
remcosremotehostdiscoveryexecutionrat

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

RemoteHost

C2

remcosco222.duckdns.org:7877

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

    remcos

  • mouse_option

    false

  • mutex

    Rmc-FX5B2Y

  • 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

      Package Label PL_0921371571.vbs

    • Size

      508KB

    • MD5

      d07670e4294bb3b4f8cb5d015f02cd63

    • SHA1

      f5026f5cdebe2a78e0e22afcfd266aa6b8ab027a

    • SHA256

      404b57d95f283e13341785c6565f1fda78a9645912850491e819f1b047563f9f

    • SHA512

      194f1d7df1885fd2d006cf026652fc22fc34f8666d1ac5f976b7ba370a1aeee80e51e3fa88828a0b4e640d9ab5f5e2bf5b900050db9d0e4ddaf8d1d6d12549f9

    • SSDEEP

      12288:VHkaHTzfEQUu8fW7H7P0ielz5KM9BoVH4WJ19UsipS28E8PWPNsgF+QhB0Iy6Zm2:VRc67Q6ZG0oZ

    Score
    10/10
    executionremcosremotehostdiscoveryrat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks