Overview

overview

10

Static

static

3

6396148f6e...ae.exe

windows7-x64

7

6396148f6e...ae.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6396148f6ec19958629b52429fb7177db4a70adacd570d7892d2a639514c7cae

  • Size

    372KB

  • Sample

    250328-y4qfcs1sgs

  • MD5

    4ef09feb5e540029aeefedfd6a227df4

  • SHA1

    f9eaee78cb5d965f0623573eedfdb8efb7d3a62b

  • SHA256

    6396148f6ec19958629b52429fb7177db4a70adacd570d7892d2a639514c7cae

  • SHA512

    5b41cd152bf1691681ff01fea9526eb4543f8b971a40b7a5cdf80b39756fd4a326c51529b9b60a8cfd16186c05695a9831a063da47ec75039fcc5babbccc486d

  • SSDEEP

    6144:tTdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhimO:t5qQx+H2i+8LBNbdypazCXYo

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

      6396148f6ec19958629b52429fb7177db4a70adacd570d7892d2a639514c7cae

    • Size

      372KB

    • MD5

      4ef09feb5e540029aeefedfd6a227df4

    • SHA1

      f9eaee78cb5d965f0623573eedfdb8efb7d3a62b

    • SHA256

      6396148f6ec19958629b52429fb7177db4a70adacd570d7892d2a639514c7cae

    • SHA512

      5b41cd152bf1691681ff01fea9526eb4543f8b971a40b7a5cdf80b39756fd4a326c51529b9b60a8cfd16186c05695a9831a063da47ec75039fcc5babbccc486d

    • SSDEEP

      6144:tTdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhimO:t5qQx+H2i+8LBNbdypazCXYo

    Score
    10/10
    discoveryremcostinopersistencerat

    • 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