Overview

overview

10

Static

static

3

c7d68cf663...cN.exe

windows7-x64

10

c7d68cf663...cN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c7d68cf6632795eacc5b7012357f46c24a080df1229bfcd4acd4166092b35cacN.exe

  • Size

    372KB

  • Sample

    250208-n67sbavmaj

  • MD5

    b16d020687ea6e48b63a10bc3cfda530

  • SHA1

    98860ab5a9d419dfe4f1420e693e58380814ebfd

  • SHA256

    c7d68cf6632795eacc5b7012357f46c24a080df1229bfcd4acd4166092b35cac

  • SHA512

    14d174b7646e8e661f31afb97b116f7803943f6fc52e0c554ff7e86fdcf0fa57a1912acefa612b9eed8d789f18529e53705feba7e22c972b4c11b6ad7a995539

  • SSDEEP

    6144:tPdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhi6:t1qQx+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

      c7d68cf6632795eacc5b7012357f46c24a080df1229bfcd4acd4166092b35cacN.exe

    • Size

      372KB

    • MD5

      b16d020687ea6e48b63a10bc3cfda530

    • SHA1

      98860ab5a9d419dfe4f1420e693e58380814ebfd

    • SHA256

      c7d68cf6632795eacc5b7012357f46c24a080df1229bfcd4acd4166092b35cac

    • SHA512

      14d174b7646e8e661f31afb97b116f7803943f6fc52e0c554ff7e86fdcf0fa57a1912acefa612b9eed8d789f18529e53705feba7e22c972b4c11b6ad7a995539

    • SSDEEP

      6144:tPdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhi6:t1qQx+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