Overview

overview

10

Static

static

1

SI_56127.vbs

windows7-x64

10

SI_56127.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    SI_56127.vbs

  • Size

    721KB

  • Sample

    240830-h2nkzssanf

  • MD5

    1f9e4ba03418a882f49d1dea07a9e8fd

  • SHA1

    c348ea91f0bc50a2ebe18eb9f1037864ee2c04a9

  • SHA256

    b53499f1ec9a4a7686cee01d45788b83b7dc379dbaaf601c88be300b4495954d

  • SHA512

    c433c66abf1feb534fb9610c5dcfc37a26bbd8139e3d97257e58f6336b3be263b05f3cd13dd3396e50b010f97efaed76908ec737e02aded473f8a69d91f46b3f

  • SSDEEP

    12288:DubTgK1Um2OMMNiq0rrIl61YxQz6Q4cW0+fmJT/E6j4AfG8xOHft+s+Y9iyMxuep:qXD2A4sQKemA

Score
10/10
remcosremotehostdiscoveryexecutionpersistencerat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia803104.us.archive.org/27/items/vbs_20240726_20240726/vbs.jpg
exe.dropper

https://ia803104.us.archive.org/27/items/vbs_20240726_20240726/vbs.jpg

Extracted

Family

remcos

Botnet

RemoteHost

C2

remcosco222.duckdns.org:5642

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-UFGYXJ

  • 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

      SI_56127.vbs

    • Size

      721KB

    • MD5

      1f9e4ba03418a882f49d1dea07a9e8fd

    • SHA1

      c348ea91f0bc50a2ebe18eb9f1037864ee2c04a9

    • SHA256

      b53499f1ec9a4a7686cee01d45788b83b7dc379dbaaf601c88be300b4495954d

    • SHA512

      c433c66abf1feb534fb9610c5dcfc37a26bbd8139e3d97257e58f6336b3be263b05f3cd13dd3396e50b010f97efaed76908ec737e02aded473f8a69d91f46b3f

    • SSDEEP

      12288:DubTgK1Um2OMMNiq0rrIl61YxQz6Q4cW0+fmJT/E6j4AfG8xOHft+s+Y9iyMxuep:qXD2A4sQKemA

    Score
    10/10
    executionremcosremotehostdiscoverypersistencerat

    • 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.

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks