Overview

overview

10

Static

static

1

seemybestt...en.hta

windows7-x64

10

seemybestt...en.hta

windows10-2004-x64

10

Sharing

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General

  • Target

    seemybestthingwhichigiventouformakebestappinesswogiven.hta

  • Size

    131KB

  • Sample

    241029-ptf99swqal

  • MD5

    ae04ff9a416a5781935e9a6dfe46c66f

  • SHA1

    e8c5538ae08082cf47cc08cdf36f7f4a9a20a101

  • SHA256

    dd91f1901fdf77dd38dc7b80a594e71b3738ada75efa3dffc7427d3e9a5d2e10

  • SHA512

    b4a66b29deecba3c1c7b2ad0d0912c2e9ccfae12b6a5bda0d2b3d6cfa93de2fe908ea55202146ce0fb87f8955348b1ea16f1fd31e18948782d097d3c531edc37

  • SSDEEP

    96:Eagt7RWVgFVVLH7C4b5nLbfbqI05kyGvqyGQtNVpVfGV7ZT:EagFRM4hbSkyzytqT

Score
10/10
remcosremotehostcollectiondefense_evasiondiscoveryexecutionrat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

exe.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

Extracted

Family

remcos

Botnet

RemoteHost

C2

cokka.duckdns.org:9764

cokka.duckdns.org:9674
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-TTZ00A

  • 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

      seemybestthingwhichigiventouformakebestappinesswogiven.hta

    • Size

      131KB

    • MD5

      ae04ff9a416a5781935e9a6dfe46c66f

    • SHA1

      e8c5538ae08082cf47cc08cdf36f7f4a9a20a101

    • SHA256

      dd91f1901fdf77dd38dc7b80a594e71b3738ada75efa3dffc7427d3e9a5d2e10

    • SHA512

      b4a66b29deecba3c1c7b2ad0d0912c2e9ccfae12b6a5bda0d2b3d6cfa93de2fe908ea55202146ce0fb87f8955348b1ea16f1fd31e18948782d097d3c531edc37

    • SSDEEP

      96:Eagt7RWVgFVVLH7C4b5nLbfbqI05kyGvqyGQtNVpVfGV7ZT:EagFRM4hbSkyzytqT

    Score
    10/10
    defense_evasiondiscoveryexecutionremcosremotehostcollectionrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Evasion via Device Credential Deployment

      defense_evasionexecution

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

      collection

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks