Overview

overview

10

Static

static

3

fc8eae2612...2N.exe

windows7-x64

10

fc8eae2612...2N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fc8eae261230d96b4e741c1d8bde7bfb90182562bacd7e1b698d34aa820de0d2N.exe

  • Size

    372KB

  • Sample

    250217-bahgbsvkep

  • MD5

    826a9ba4054ddefbefbbec33f9f77fa0

  • SHA1

    7f3b0003d70d2f0aeb76424c8d2316a439e3a049

  • SHA256

    fc8eae261230d96b4e741c1d8bde7bfb90182562bacd7e1b698d34aa820de0d2

  • SHA512

    9b2dd1b4dc3dc094739381567be7eb63baf4ba82e4d8fc6eac8caf89598d24db8fbc23036ffba7599bb0dc336931b8946f9f74c89f3390cbbb0a68a71402c94d

  • SSDEEP

    6144:tYdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhim:tiqQx+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

      fc8eae261230d96b4e741c1d8bde7bfb90182562bacd7e1b698d34aa820de0d2N.exe

    • Size

      372KB

    • MD5

      826a9ba4054ddefbefbbec33f9f77fa0

    • SHA1

      7f3b0003d70d2f0aeb76424c8d2316a439e3a049

    • SHA256

      fc8eae261230d96b4e741c1d8bde7bfb90182562bacd7e1b698d34aa820de0d2

    • SHA512

      9b2dd1b4dc3dc094739381567be7eb63baf4ba82e4d8fc6eac8caf89598d24db8fbc23036ffba7599bb0dc336931b8946f9f74c89f3390cbbb0a68a71402c94d

    • SSDEEP

      6144:tYdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhim:tiqQx+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