Overview

overview

10

Static

static

3

661ba9a0e5...1e.exe

windows7-x64

10

661ba9a0e5...1e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    661ba9a0e59115d686fa353b7d71fc415c19f4f709562beb7bc271eddc9ff91e

  • Size

    372KB

  • Sample

    250208-a7lpkswpgz

  • MD5

    83586f7c20c9b9b83b1f7730d94a7691

  • SHA1

    a1dc944bfb4cd671d3efa36692a24501c5b9eb9f

  • SHA256

    661ba9a0e59115d686fa353b7d71fc415c19f4f709562beb7bc271eddc9ff91e

  • SHA512

    4c3b1b657d69bbe314b55315b59bf1d5b087e315e4b17c0458b968c1b66eb808b7991b16ae4a5278735b1642567e3cc711f54227c75bb28a6166a49c2da2886d

  • SSDEEP

    6144:t8dgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiS:t2qQx+H2i+8LBNbdypazCXY

Score
10/10
remcostinodiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.4.3 Pro

Botnet

TINo

C2

185.140.53.140:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-5S9O07

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      661ba9a0e59115d686fa353b7d71fc415c19f4f709562beb7bc271eddc9ff91e

    • Size

      372KB

    • MD5

      83586f7c20c9b9b83b1f7730d94a7691

    • SHA1

      a1dc944bfb4cd671d3efa36692a24501c5b9eb9f

    • SHA256

      661ba9a0e59115d686fa353b7d71fc415c19f4f709562beb7bc271eddc9ff91e

    • SHA512

      4c3b1b657d69bbe314b55315b59bf1d5b087e315e4b17c0458b968c1b66eb808b7991b16ae4a5278735b1642567e3cc711f54227c75bb28a6166a49c2da2886d

    • SSDEEP

      6144:t8dgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiS:t2qQx+H2i+8LBNbdypazCXY

    Score
    10/10
    remcostinodiscoverypersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Modifies WinLogon

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks