Overview

overview

10

Static

static

5

tmpnhd0235c.exe

windows10-ltsc_2021-x64

10

tmpnhd0235c.exe

windows10-2004-x64

10

tmpnhd0235c.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    tmpnhd0235c
  • Size 410KB
  • Sample260601-13lrwsf19s
  • SHA256 3916d1d5b6e609dba884d5c846c3f7a4f925e3e9f6d58e14cc7fa3595496abb4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcoshostdiscoverypersistenceratupx

Malware Config

Extracted

Family

  • remcos

Version

  • 1.7 Pro

Botnet

  • Host

C2

  • lucidair.ddns.net:8080

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    system64.exe

  • copy_folder

    system64

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    keys

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_hsnmjifvmg

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    system64

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      tmpnhd0235c
    • Size 410KB
    • SHA256 3916d1d5b6e609dba884d5c846c3f7a4f925e3e9f6d58e14cc7fa3595496abb4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    hostdiscoveryremcospersistenceratupx

    • Family: Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v16

Tasks