Overview

overview

10

Static

static

1

c.hta

windows7-x64

10

c.hta

windows10-2004-x64

10

Sharing

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General

  • Target
    c.hta
  • Size 1KB
  • Sample250112-dtsshstney
  • SHA256 8da5bb4d9cfd29718720e839bb75ee58f92b6e41f0181b6eede4234d3122dab6
  • MD5 SHA1 SHA512
Score
10/10
remcosremotehostdiscoveryexecutionrat

Malware Config

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://candwfarmsllc.com/c2.bat

Extracted

Family

  • remcos

Botnet

  • RemoteHost

C2

  • me-work.com:7009

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-3QMI88

  • 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
      c.hta
    • Size 1KB
    • SHA256 8da5bb4d9cfd29718720e839bb75ee58f92b6e41f0181b6eede4234d3122dab6
    • MD5 SHA1 SHA512
    Score
    10/10
    discoveryexecutionremcosremotehostrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

      execution

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks