Overview

overview

10

Static

static

3

79fdf0e96e...2c.exe

windows7-x64

10

79fdf0e96e...2c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    79fdf0e96e03cce9d7c56e3316dd7b8d5722f3d371f7120598f922039ae59b2c

  • Size

    372KB

  • Sample

    250330-zjf7mawyds

  • MD5

    11710b925ff1d5ecf510f0b18edcf213

  • SHA1

    73e543fe16aa27095b711e8b6fce0b2647ec83f9

  • SHA256

    79fdf0e96e03cce9d7c56e3316dd7b8d5722f3d371f7120598f922039ae59b2c

  • SHA512

    116483b771849049db5879e074365c0680f4377a0a8802a27ac762b616e8d9d8c6127aaafe2fe0758e14ce4f9175a85c3f2b0febcc23f22a5bceffd3833da802

  • SSDEEP

    6144:tLdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiyq:tBqQx+H2i+8LBNbdypazCXY8

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

      79fdf0e96e03cce9d7c56e3316dd7b8d5722f3d371f7120598f922039ae59b2c

    • Size

      372KB

    • MD5

      11710b925ff1d5ecf510f0b18edcf213

    • SHA1

      73e543fe16aa27095b711e8b6fce0b2647ec83f9

    • SHA256

      79fdf0e96e03cce9d7c56e3316dd7b8d5722f3d371f7120598f922039ae59b2c

    • SHA512

      116483b771849049db5879e074365c0680f4377a0a8802a27ac762b616e8d9d8c6127aaafe2fe0758e14ce4f9175a85c3f2b0febcc23f22a5bceffd3833da802

    • SSDEEP

      6144:tLdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiyq:tBqQx+H2i+8LBNbdypazCXY8

    Score
    10/10
    remcostinodiscoverypersistencerat

    • 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