Overview

overview

10

Static

static

3

3f0254982a...d7.exe

windows7-x64

10

3f0254982a...d7.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    3f0254982a57f9ec756e3d9b05b2e08177832365e48337d597dfc9a8a1f545d7.exe

  • Size

    372KB

  • Sample

    250216-j5bahazncs

  • MD5

    77e992679e65bb75fcaf1c262526b4d9

  • SHA1

    f083f07e34a6da6fbb8d16f453043a5bb09f7a31

  • SHA256

    3f0254982a57f9ec756e3d9b05b2e08177832365e48337d597dfc9a8a1f545d7

  • SHA512

    5283346e138f6729925f13ec34c6fd55cc764e489d96318bd5bb465d6b327b60c2527d8bb5d63ae500f62172a9bcd769eda0cb6f01c7ff552eb37b8d555e7d68

  • SSDEEP

    6144:tLdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiKO:tBqQx+H2i+8LBNbdypazCXYU

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

      3f0254982a57f9ec756e3d9b05b2e08177832365e48337d597dfc9a8a1f545d7.exe

    • Size

      372KB

    • MD5

      77e992679e65bb75fcaf1c262526b4d9

    • SHA1

      f083f07e34a6da6fbb8d16f453043a5bb09f7a31

    • SHA256

      3f0254982a57f9ec756e3d9b05b2e08177832365e48337d597dfc9a8a1f545d7

    • SHA512

      5283346e138f6729925f13ec34c6fd55cc764e489d96318bd5bb465d6b327b60c2527d8bb5d63ae500f62172a9bcd769eda0cb6f01c7ff552eb37b8d555e7d68

    • SSDEEP

      6144:tLdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiKO:tBqQx+H2i+8LBNbdypazCXYU

    Score
    10/10
    remcostinodiscoverypersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Downloads MZ/PE file

    • 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