General

  • Target

    seethebestthignswhichgivingbestopportunities.hta

  • Size

    360KB

  • Sample

    241120-trclhsyrfz

  • MD5

    35b8d63ead2eb58b7ed815be7bcbf97f

  • SHA1

    88ae189165c612cc11e3a83ce322363698e21daf

  • SHA256

    886699a7b1f864a18f767b1f3c95d860bced175c6e9bf2a5186119b698b5de23

  • SHA512

    047bfd03280a842c6527d4a0c41e2d593d3222d4617152febed39120184be179a36f99374c8bca7724b11dc78c8af202a14f63e7dfe87fefc53ffb510440fcde

  • SSDEEP

    192:436mm7epKXV0b8ECbC/lepKXV0b8LCbC/+UepKXV0b8GepKXV0b89CbC/yepKXVl:Y65Cb

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

RemoteHost

C2

banaya.duckdns.org:6946

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

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-VCYBO3

  • 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

      seethebestthignswhichgivingbestopportunities.hta

    • Size

      360KB

    • MD5

      35b8d63ead2eb58b7ed815be7bcbf97f

    • SHA1

      88ae189165c612cc11e3a83ce322363698e21daf

    • SHA256

      886699a7b1f864a18f767b1f3c95d860bced175c6e9bf2a5186119b698b5de23

    • SHA512

      047bfd03280a842c6527d4a0c41e2d593d3222d4617152febed39120184be179a36f99374c8bca7724b11dc78c8af202a14f63e7dfe87fefc53ffb510440fcde

    • SSDEEP

      192:436mm7epKXV0b8ECbC/lepKXV0b8LCbC/+UepKXV0b8GepKXV0b89CbC/yepKXVl:Y65Cb

    • Remcos

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

    • Remcos family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Evasion via Device Credential Deployment

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks