Overview

overview

10

Static

static

d55db3e1a1...b3.exe

windows7-x64

10

d55db3e1a1...b3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d55db3e1a122d2193f804f76a3ed2cb3.exe

  • Size

    448KB

  • Sample

    221201-tdya3ahc7t

  • MD5

    d55db3e1a122d2193f804f76a3ed2cb3

  • SHA1

    c101298055a396fee1d26220c2655125065e9fe6

  • SHA256

    5107b9fda1ce6e7c51fb52d7928c49a82731ff4fc3c75d700737ce3c2f274044

  • SHA512

    fab4122e82639b7acab49ee77f54c76edcf116b946b12a8a3915d5f3fc32e43ccb1b53685899f8f2f2ec31dfb2d59b3e3e4cae0ea62574e5eddf55595f38638c

  • SSDEEP

    6144:xoR0EvklriDeO8pZIgVBcY/LfSSk0MeYFuRWYsraTkxAJAJ9U8sgutf2iddj5XDw:uW68NVBcY+SCY+3xAJAJ+f2E5eJQ9jq

Score
10/10
remcosdec 1stevasionpersistencerattrojan

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Dec 1st

C2

terzona2022.duckdns.org:3030

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    Windows input text.exe

  • copy_folder

    Microsoft Text

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    Windows Display

  • keylog_path

    %WinDir%

  • mouse_option

    false

  • mutex

    Windows Audio

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    Microsoft Sound Text

  • take_screenshot_option

    true

  • take_screenshot_time

    5

  • take_screenshot_title

    Username;password;proforma;invoice;notepad

Targets

    • Target

      d55db3e1a122d2193f804f76a3ed2cb3.exe

    • Size

      448KB

    • MD5

      d55db3e1a122d2193f804f76a3ed2cb3

    • SHA1

      c101298055a396fee1d26220c2655125065e9fe6

    • SHA256

      5107b9fda1ce6e7c51fb52d7928c49a82731ff4fc3c75d700737ce3c2f274044

    • SHA512

      fab4122e82639b7acab49ee77f54c76edcf116b946b12a8a3915d5f3fc32e43ccb1b53685899f8f2f2ec31dfb2d59b3e3e4cae0ea62574e5eddf55595f38638c

    • SSDEEP

      6144:xoR0EvklriDeO8pZIgVBcY/LfSSk0MeYFuRWYsraTkxAJAJ9U8sgutf2iddj5XDw:uW68NVBcY+SCY+3xAJAJ+f2E5eJQ9jq

    Score
    10/10
    remcosdec 1stevasionpersistencerattrojan

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks