Overview

overview

10

Static

static

3

bd0295992d...dN.exe

windows7-x64

10

bd0295992d...dN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bd0295992db0e649f39b912ae6e074983b7ab17e3e28bc8813f623bdf6c9502dN.exe

  • Size

    372KB

  • Sample

    250216-bq2vxavnby

  • MD5

    58767eb2c6a1c6dd6a2d47b13870f6d0

  • SHA1

    f1f053953a0eeefd913d878d1ba13c0791e7c648

  • SHA256

    bd0295992db0e649f39b912ae6e074983b7ab17e3e28bc8813f623bdf6c9502d

  • SHA512

    24026d85675c90ee2a8d272a175c3c9b288d41ddf48c7dabcc7ba89e99806474109a138a8fcbfd9c37c4bb66563d4473546f5c962a11a90bffe509ed08b260f4

  • SSDEEP

    6144:tpdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhia:tLqQx+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

      bd0295992db0e649f39b912ae6e074983b7ab17e3e28bc8813f623bdf6c9502dN.exe

    • Size

      372KB

    • MD5

      58767eb2c6a1c6dd6a2d47b13870f6d0

    • SHA1

      f1f053953a0eeefd913d878d1ba13c0791e7c648

    • SHA256

      bd0295992db0e649f39b912ae6e074983b7ab17e3e28bc8813f623bdf6c9502d

    • SHA512

      24026d85675c90ee2a8d272a175c3c9b288d41ddf48c7dabcc7ba89e99806474109a138a8fcbfd9c37c4bb66563d4473546f5c962a11a90bffe509ed08b260f4

    • SSDEEP

      6144:tpdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhia:tLqQx+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

    • 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